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<a href="tracking_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* +---------------------------------------------------------------------------+</span>
<a name="l00002"></a>00002 <span class="comment">   |          The Mobile Robot Programming Toolkit (MRPT) C++ library          |</span>
<a name="l00003"></a>00003 <span class="comment">   |                                                                           |</span>
<a name="l00004"></a>00004 <span class="comment">   |                       http://www.mrpt.org/                                |</span>
<a name="l00005"></a>00005 <span class="comment">   |                                                                           |</span>
<a name="l00006"></a>00006 <span class="comment">   |   Copyright (C) 2005-2011  University of Malaga                           |</span>
<a name="l00007"></a>00007 <span class="comment">   |                                                                           |</span>
<a name="l00008"></a>00008 <span class="comment">   |    This software was written by the Machine Perception and Intelligent    |</span>
<a name="l00009"></a>00009 <span class="comment">   |      Robotics Lab, University of Malaga (Spain).                          |</span>
<a name="l00010"></a>00010 <span class="comment">   |    Contact: Jose-Luis Blanco  &lt;jlblanco@ctima.uma.es&gt;                     |</span>
<a name="l00011"></a>00011 <span class="comment">   |                                                                           |</span>
<a name="l00012"></a>00012 <span class="comment">   |  This file is part of the MRPT project.                                   |</span>
<a name="l00013"></a>00013 <span class="comment">   |                                                                           |</span>
<a name="l00014"></a>00014 <span class="comment">   |     MRPT is free software: you can redistribute it and/or modify          |</span>
<a name="l00015"></a>00015 <span class="comment">   |     it under the terms of the GNU General Public License as published by  |</span>
<a name="l00016"></a>00016 <span class="comment">   |     the Free Software Foundation, either version 3 of the License, or     |</span>
<a name="l00017"></a>00017 <span class="comment">   |     (at your option) any later version.                                   |</span>
<a name="l00018"></a>00018 <span class="comment">   |                                                                           |</span>
<a name="l00019"></a>00019 <span class="comment">   |   MRPT is distributed in the hope that it will be useful,                 |</span>
<a name="l00020"></a>00020 <span class="comment">   |     but WITHOUT ANY WARRANTY; without even the implied warranty of        |</span>
<a name="l00021"></a>00021 <span class="comment">   |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         |</span>
<a name="l00022"></a>00022 <span class="comment">   |     GNU General Public License for more details.                          |</span>
<a name="l00023"></a>00023 <span class="comment">   |                                                                           |</span>
<a name="l00024"></a>00024 <span class="comment">   |     You should have received a copy of the GNU General Public License     |</span>
<a name="l00025"></a>00025 <span class="comment">   |     along with MRPT.  If not, see &lt;http://www.gnu.org/licenses/&gt;.         |</span>
<a name="l00026"></a>00026 <span class="comment">   |                                                                           |</span>
<a name="l00027"></a>00027 <span class="comment">   +---------------------------------------------------------------------------+ */</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="preprocessor">#ifndef mrpt_vision_tracking_H</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define mrpt_vision_tracking_H</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;<a class="code" href="vision_2include_2mrpt_2vision_2types_8h.html">mrpt/vision/types.h</a>&gt;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;<a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html">mrpt/vision/link_pragmas.h</a>&gt;</span>
<a name="l00034"></a>00034 
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;<a class="code" href="_c_feature_8h.html">mrpt/vision/CFeature.h</a>&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;<a class="code" href="_t_simple_feature_8h.html">mrpt/vision/TSimpleFeature.h</a>&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;<a class="code" href="_c_image_8h.html">mrpt/utils/CImage.h</a>&gt;</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include &lt;<a class="code" href="_c_time_logger_8h.html">mrpt/utils/CTimeLogger.h</a>&gt;</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;<a class="code" href="_t_parameters_8h.html">mrpt/utils/TParameters.h</a>&gt;</span>
<a name="l00040"></a>00040 
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;<a class="code" href="metaprogramming_8h.html">mrpt/utils/metaprogramming.h</a>&gt;</span>
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="preprocessor">#include &lt;memory&gt;</span>       <span class="comment">// for auto_ptr</span>
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 <span class="keyword">namespace </span>mrpt
<a name="l00046"></a>00046 {
<a name="l00047"></a>00047         <span class="keyword">namespace </span>vision
<a name="l00048"></a>00048         {
<a name="l00049"></a>00049                 <span class="keyword">using namespace </span>mrpt::math;
<a name="l00050"></a>00050                 <span class="keyword">using namespace </span>mrpt::utils;
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment">                /** \addtogroup vision_tracking Feature detection and tracking</span>
<a name="l00053"></a>00053 <span class="comment">                  *  \ingroup mrpt_vision_grp</span>
<a name="l00054"></a>00054 <span class="comment">                  *   @{  */</span>
<a name="l00055"></a>00055 <span class="comment"></span>
<a name="l00056"></a>00056 <span class="comment">                /** A virtual interface for all feature trackers, implementing the part of feature tracking that is common to any specific tracker implementation.</span>
<a name="l00057"></a>00057 <span class="comment">                  *   This class provides a quite robust tracking of features, avoiding as many outliers as possible but not all of them:</span>
<a name="l00058"></a>00058 <span class="comment">                  *    more robust tracking would require application-specific information and could be done in a number of very different approaches,</span>
<a name="l00059"></a>00059 <span class="comment">                  *    so this class will not try to do any kind of RANSAC or any other advanced outlier rejection; instead, it should</span>
<a name="l00060"></a>00060 <span class="comment">                  *    be done by the users or the classes that employ this class.</span>
<a name="l00061"></a>00061 <span class="comment">                  *</span>
<a name="l00062"></a>00062 <span class="comment">                  *   The basic usage of this class is as follows:</span>
<a name="l00063"></a>00063 <span class="comment">                  *    \code</span>
<a name="l00064"></a>00064 <span class="comment">                  *       CFeatureTracker_KL    tracker;  // Note: CFeatureTracker_KL is the most robust implementation for now.</span>
<a name="l00065"></a>00065 <span class="comment">                  *       tracker.extra_params[&quot;add_new_features&quot;] = 1;  // Enable detection of new features, not only tracking</span>
<a name="l00066"></a>00066 <span class="comment">                  *       tracker.extra_params[...] = ...</span>
<a name="l00067"></a>00067 <span class="comment">                  *       // ....</span>
<a name="l00068"></a>00068 <span class="comment">                  *       CFeatureList  theFeats;  // The list of features</span>
<a name="l00069"></a>00069 <span class="comment">                  *       mrpt::utils::CImage  previous_img, current_img;</span>
<a name="l00070"></a>00070 <span class="comment">                  *</span>
<a name="l00071"></a>00071 <span class="comment">                  *       while (true) {</span>
<a name="l00072"></a>00072 <span class="comment">                  *           current_img = ... // Grab new image.</span>
<a name="l00073"></a>00073 <span class="comment">                  *           if ( previous_img_is_ok )</span>
<a name="l00074"></a>00074 <span class="comment">                  *               tracker.trackFeatures(previous_img, current_img, theFeats);</span>
<a name="l00075"></a>00075 <span class="comment">                  *           previous_img = current_img;</span>
<a name="l00076"></a>00076 <span class="comment">                  *       }</span>
<a name="l00077"></a>00077 <span class="comment">                  *    \endcode</span>
<a name="l00078"></a>00078 <span class="comment">                  *</span>
<a name="l00079"></a>00079 <span class="comment">                  *  Below follows the list of optional parameters for &quot;extra_params&quot; which can be set</span>
<a name="l00080"></a>00080 <span class="comment">                  *  and will be understood by this base class for any specific tracker implementation.</span>
<a name="l00081"></a>00081 <span class="comment">                  *  Note that all parameters are double&#39;s, but boolean flags are emulated by the values 0.0 (false) and 1.0 (true).</span>
<a name="l00082"></a>00082 <span class="comment">                  *</span>
<a name="l00083"></a>00083 <span class="comment">                  *  List of parameters:</span>
<a name="l00084"></a>00084 <span class="comment">                  * &lt;table border=&quot;1&quot; &gt;</span>
<a name="l00085"></a>00085 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; &lt;b&gt;Parameter name&lt;/b&gt;  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; &lt;b&gt;Default value&lt;/b&gt; &lt;/td&gt; &lt;td align=&quot;center&quot; &gt; &lt;b&gt;Comments&lt;/b&gt; &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00086"></a>00086 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; add_new_features  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 0 &lt;/td&gt;</span>
<a name="l00087"></a>00087 <span class="comment">                  *      &lt;td&gt; If set to &quot;1&quot;, the class will not only track existing features, but will also perform (after doing the actual tracking) an efficient</span>
<a name="l00088"></a>00088 <span class="comment">                  *            search for new features with the FAST detector, and will add them to the passed &quot;CFeatureList&quot; if they fulfill a set of restrictions,</span>
<a name="l00089"></a>00089 <span class="comment">                  *            as stablished by the other parameters (see &lt;i&gt;add_new_feat_min_separation&lt;/i&gt;,&lt;i&gt;add_new_feat_max_features&lt;/i&gt;,&lt;i&gt;minimum_KLT_response_to_add&lt;/i&gt;).</span>
<a name="l00090"></a>00090 <span class="comment">                  *        &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00091"></a>00091 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; add_new_feat_min_separation  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 15 &lt;/td&gt;</span>
<a name="l00092"></a>00092 <span class="comment">                  *      &lt;td&gt; If &lt;i&gt;add_new_features&lt;/i&gt;==1,  this is the minimum separation (in pixels) to any other (old, or new) feature for it</span>
<a name="l00093"></a>00093 <span class="comment">                  *             being considered a candidate to be added.</span>
<a name="l00094"></a>00094 <span class="comment">                  *         &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00095"></a>00095 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; desired_num_features_adapt  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; (img_width*img_height)/512 &lt;/td&gt;</span>
<a name="l00096"></a>00096 <span class="comment">                  *      &lt;td&gt; If &lt;i&gt;add_new_features&lt;/i&gt;==1, the threshold of the FAST(ER) feature detector is dynamically adapted such as the number of</span>
<a name="l00097"></a>00097 <span class="comment">                  *        raw FAST keypoints is around this number. This number should be much higher than the real desired numbre of features, since this</span>
<a name="l00098"></a>00098 <span class="comment">                  *        one includes many features concentrated in space which are later discarded for the minimum distance.</span>
<a name="l00099"></a>00099 <span class="comment">                  *         &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00100"></a>00100 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; desired_num_features &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 100 &lt;/td&gt;</span>
<a name="l00101"></a>00101 <span class="comment">                  *      &lt;td&gt; If &lt;i&gt;add_new_features&lt;/i&gt;==1, the target number of the patch associated to each feature will be updated with every N&#39;th frame. &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00102"></a>00102 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; add_new_feat_patch_size  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 11 &lt;/td&gt;</span>
<a name="l00103"></a>00103 <span class="comment">                  *      &lt;td&gt; If &lt;i&gt;add_new_features&lt;/i&gt;==1,  for each new added feature, this is the size of the patch to be extracted around the keypoint (set to 0 if patches are not required at all).</span>
<a name="l00104"></a>00104 <span class="comment">                  *          &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00105"></a>00105 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; minimum_KLT_response_to_add  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 10 &lt;/td&gt;</span>
<a name="l00106"></a>00106 <span class="comment">                  *      &lt;td&gt; If &lt;i&gt;add_new_features&lt;/i&gt;==1, this sets the minimum KLT response of candidate FAST features to be added in each frame, if they also fulfil the other restrictions (e.g. min.distance).</span>
<a name="l00107"></a>00107 <span class="comment">                  *         &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00108"></a>00108 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; check_KLT_response_every  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 0 &lt;/td&gt;</span>
<a name="l00109"></a>00109 <span class="comment">                  *      &lt;td&gt; If &gt;0, it will compute the KLT response at each feature point every &lt;i&gt;N&lt;/i&gt; frames</span>
<a name="l00110"></a>00110 <span class="comment">                  *            and those below &lt;i&gt;minimum_KLT_response&lt;/i&gt; will be marked as &quot;lost&quot; in their &quot;track_status&quot; field.</span>
<a name="l00111"></a>00111 <span class="comment">                  *        &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00112"></a>00112 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; minimum_KLT_response  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 5 &lt;/td&gt;</span>
<a name="l00113"></a>00113 <span class="comment">                  *      &lt;td&gt; See explanation of &lt;i&gt;check_KLT_response_every&lt;/i&gt;.</span>
<a name="l00114"></a>00114 <span class="comment">                  *        &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00115"></a>00115 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; KLT_response_half_win  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 4 &lt;/td&gt;</span>
<a name="l00116"></a>00116 <span class="comment">                  *      &lt;td&gt; When computing the KLT response of features (see &lt;i&gt;minimum_KLT_response&lt;/i&gt; and &lt;i&gt;minimum_KLT_response_to_add&lt;/i&gt;),</span>
<a name="l00117"></a>00117 <span class="comment">                  *            the window centered at the point for its estimation will be of size (2*W+1)x(2*W+1), with &lt;i&gt;W&lt;/i&gt; being this parameter value.</span>
<a name="l00118"></a>00118 <span class="comment">                  *       &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00119"></a>00119 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; update_patches_every  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 0 &lt;/td&gt;</span>
<a name="l00120"></a>00120 <span class="comment">                  *      &lt;td&gt; If !=0, the patch associated to each feature will be updated with every N&#39;th frame. &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00121"></a>00121 <span class="comment">                  *   &lt;tr&gt;&lt;td align=&quot;center&quot; &gt; remove_lost_features  &lt;/td&gt;  &lt;td align=&quot;center&quot; &gt; 0 &lt;/td&gt;</span>
<a name="l00122"></a>00122 <span class="comment">                  *      &lt;td&gt; If !=0, out-of-bound features or those lost while tracking, will be automatically removed from the list of features.</span>
<a name="l00123"></a>00123 <span class="comment">                  *            Otherwise, the user will have to manually remove them by checking the track_status field. &lt;/td&gt; &lt;/tr&gt;</span>
<a name="l00124"></a>00124 <span class="comment">                  * &lt;/table&gt;</span>
<a name="l00125"></a>00125 <span class="comment">                  *</span>
<a name="l00126"></a>00126 <span class="comment">                  *  This class also offers a time profiler, disabled by default (see getProfiler and enableTimeLogger).</span>
<a name="l00127"></a>00127 <span class="comment">                  *</span>
<a name="l00128"></a>00128 <span class="comment">                  * \sa CFeatureTracker_KL, the example application &quot;track-video-features&quot;.</span>
<a name="l00129"></a>00129 <span class="comment">                  */</span>
<a name="l00130"></a>00130                 <span class="keyword">struct </span><a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a>  CGenericFeatureTracker
<a name="l00131"></a>00131                 {<span class="comment"></span>
<a name="l00132"></a>00132 <span class="comment">                        /** Optional list of extra parameters to the algorithm. */</span>
<a name="l00133"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a2b81ed2b0cb9fb13cbd9d75296bf73cf">00133</a>                         mrpt<a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">::utils::TParametersDouble</a> <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a2b81ed2b0cb9fb13cbd9d75296bf73cf" title="Optional list of extra parameters to the algorithm.">extra_params</a>;
<a name="l00134"></a>00134 <span class="comment"></span>
<a name="l00135"></a>00135 <span class="comment">                        /** Default ctor */</span>
<a name="l00136"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#aa6eb709d0f7a40c739398f0234822bc8">00136</a>                         <span class="keyword">inline</span> <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html" title="A virtual interface for all feature trackers, implementing the part of feature tracking that is commo...">CGenericFeatureTracker</a>() : m_timlog(false), m_update_patches_counter(0),m_check_KLT_counter(0),m_detector_adaptive_thres(10)
<a name="l00137"></a>00137                         { }<span class="comment"></span>
<a name="l00138"></a>00138 <span class="comment">                        /** Ctor with extra parameters */</span>
<a name="l00139"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#af030d71d91493fcf5289ab2fc4ea5cfb">00139</a>                         <span class="keyword">inline</span> <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html" title="A virtual interface for all feature trackers, implementing the part of feature tracking that is commo...">CGenericFeatureTracker</a>(<a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">mrpt::utils::TParametersDouble</a> extraParams) : extra_params(extraParams), m_timlog(false), m_update_patches_counter(0),m_check_KLT_counter(0),m_detector_adaptive_thres(10)
<a name="l00140"></a>00140                         { }<span class="comment"></span>
<a name="l00141"></a>00141 <span class="comment">                        /** Dtor */</span>
<a name="l00142"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#ac0cfa7031fbb8a1f7e59f5560d891a31">00142</a>                         <span class="keyword">virtual</span> ~<a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html" title="A virtual interface for all feature trackers, implementing the part of feature tracking that is commo...">CGenericFeatureTracker</a>()
<a name="l00143"></a>00143                         { }
<a name="l00144"></a>00144 <span class="comment"></span>
<a name="l00145"></a>00145 <span class="comment">                        /** Perform feature tracking from &quot;old_img&quot; to &quot;new_img&quot;, with a (possibly empty) list of previously tracked features &quot;inout_featureList&quot;.</span>
<a name="l00146"></a>00146 <span class="comment">                          *  This is a list of parameters (in &quot;extraParams&quot;) accepted by ALL implementations of feature tracker (see each derived class for more specific parameters).</span>
<a name="l00147"></a>00147 <span class="comment">                          *             - &quot;add_new_features&quot; (Default=0). If set to &quot;1&quot;, new features will be also added to the existing ones in areas of the image poor of features.</span>
<a name="l00148"></a>00148 <span class="comment">                          * This method does:</span>
<a name="l00149"></a>00149 <span class="comment">                          *    - Convert old and new images to grayscale, if they&#39;re in color.</span>
<a name="l00150"></a>00150 <span class="comment">                          *    - Call the pure virtual &quot;trackFeatures_impl&quot; method.</span>
<a name="l00151"></a>00151 <span class="comment">                          *    - Implement the optional detection of new features if &quot;add_new_features&quot;!=0.</span>
<a name="l00152"></a>00152 <span class="comment">                          */</span>
<a name="l00153"></a>00153                         <span class="keywordtype">void</span> trackFeatures(
<a name="l00154"></a>00154                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00155"></a>00155                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00156"></a>00156                                 <a class="code" href="structmrpt_1_1vision_1_1_t_simple_feature_list__templ.html">TSimpleFeatureList</a> &amp;inout_featureList );
<a name="l00157"></a>00157 <span class="comment"></span>
<a name="l00158"></a>00158 <span class="comment">                        /** \overload This overload version uses the old (and much slower) CFeatureList  */</span>
<a name="l00159"></a>00159                         <span class="keywordtype">void</span> trackFeatures(
<a name="l00160"></a>00160                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00161"></a>00161                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00162"></a>00162                                 <a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html" title="A list of visual features, to be used as output by detectors, as input/output by trackers, etc.">CFeatureList</a> &amp;inout_featureList );
<a name="l00163"></a>00163 <span class="comment"></span>
<a name="l00164"></a>00164 <span class="comment">                        /** A wrapper around the basic trackFeatures() method, but keeping the original list of features unmodified and returns the tracked ones in a new list. */</span>
<a name="l00165"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a909e30defb4b5b9c15aded317346ec5c">00165</a>                         <span class="keyword">inline</span> <span class="keywordtype">void</span> trackFeaturesNewList(
<a name="l00166"></a>00166                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00167"></a>00167                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00168"></a>00168                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html" title="A list of visual features, to be used as output by detectors, as input/output by trackers, etc.">vision::CFeatureList</a> &amp;in_featureList,
<a name="l00169"></a>00169                                 <a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html" title="A list of visual features, to be used as output by detectors, as input/output by trackers, etc.">vision::CFeatureList</a> &amp;out_featureList
<a name="l00170"></a>00170                                 )
<a name="l00171"></a>00171                         {
<a name="l00172"></a>00172                                 out_featureList = in_featureList;
<a name="l00173"></a>00173                                 std::for_each(
<a name="l00174"></a>00174                                         out_featureList.<a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html#a51d87725bb158a2a648b18e0b99ddad0">begin</a>(),out_featureList.<a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html#a8aeaa665d175d6586be382752a2cef41">end</a>(),
<a name="l00175"></a>00175                                         <a class="code" href="structmrpt_1_1utils_1_1metaprogramming_1_1_object_make_unique.html" title="An object for making smart pointers unique (ie, making copies if necessary), intended for being used ...">mrpt::utils::metaprogramming::ObjectMakeUnique</a>() );
<a name="l00176"></a>00176                                 this-&gt;trackFeatures(old_img, new_img, out_featureList);
<a name="l00177"></a>00177                         }
<a name="l00178"></a>00178 <span class="comment"></span>
<a name="l00179"></a>00179 <span class="comment">                        /** Returns a read-only reference to the internal time logger */</span>
<a name="l00180"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a9c210bd84d54c5ce72fe1e93933b49bf">00180</a>                         <span class="keyword">inline</span> <span class="keyword">const</span> mrpt<a class="code" href="classmrpt_1_1utils_1_1_c_time_logger.html" title="A versatile &quot;profiler&quot; that logs the time spent within each pair of calls to enter(X)-leave(X), among other stats.">::utils::CTimeLogger</a>  &amp; <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a9c210bd84d54c5ce72fe1e93933b49bf" title="Returns a read-only reference to the internal time logger.">getProfiler</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_timlog; }<span class="comment"></span>
<a name="l00181"></a>00181 <span class="comment">                        /** Returns a reference to the internal time logger */</span>
<a name="l00182"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#af5538fb8d752b810c7bac461a7043f3d">00182</a>                         <span class="keyword">inline</span> mrpt<a class="code" href="classmrpt_1_1utils_1_1_c_time_logger.html" title="A versatile &quot;profiler&quot; that logs the time spent within each pair of calls to enter(X)-leave(X), among other stats.">::utils::CTimeLogger</a>  &amp; <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#af5538fb8d752b810c7bac461a7043f3d" title="Returns a reference to the internal time logger.">getProfiler</a>() { <span class="keywordflow">return</span> m_timlog; }
<a name="l00183"></a>00183 <span class="comment"></span>
<a name="l00184"></a>00184 <span class="comment">                        /** Returns a read-only reference to the internal time logger */</span>
<a name="l00185"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#aa9453970afc0eda64c1be01ccf7f4566">00185</a>                         <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#aa9453970afc0eda64c1be01ccf7f4566" title="Returns a read-only reference to the internal time logger.">enableTimeLogger</a>(<span class="keywordtype">bool</span> enable=<span class="keyword">true</span>) { m_timlog.enable(enable); }
<a name="l00186"></a>00186 <span class="comment"></span>
<a name="l00187"></a>00187 <span class="comment">                        /** Returns the current adaptive threshold used by the FAST(ER) detector to find out new features in empty areas */</span>
<a name="l00188"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#ad1d65969e0219c7e132c1cb9f27d2484">00188</a>                         <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#ad1d65969e0219c7e132c1cb9f27d2484" title="Returns the current adaptive threshold used by the FAST(ER) detector to find out new features in empt...">getDetectorAdaptiveThreshold</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_detector_adaptive_thres; }
<a name="l00189"></a>00189 
<a name="l00190"></a>00190                         <span class="keyword">struct </span><a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a> TExtraOutputInfo
<a name="l00191"></a>00191                         {
<a name="l00192"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker_1_1_t_extra_output_info.html#aadcdfc855fb8efac587106f8de03da5b">00192</a>                                 <span class="keywordtype">size_t</span>  <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker_1_1_t_extra_output_info.html#aadcdfc855fb8efac587106f8de03da5b" title="In the new_img with the last adaptive threshold.">raw_FAST_feats_detected</a>;  <span class="comment">//!&lt; In the new_img with the last adaptive threshold</span>
<a name="l00193"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker_1_1_t_extra_output_info.html#aa5e3777e89fc3bcdb44ff1ec15cbafbc">00193</a> <span class="comment"></span>                                <span class="keywordtype">size_t</span>  <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker_1_1_t_extra_output_info.html#aa5e3777e89fc3bcdb44ff1ec15cbafbc" title="The number of features which were deleted due to OOB, bad tracking, etc... (only if &quot;remove_lost_feat...">num_deleted_feats</a>; <span class="comment">//!&lt; The number of features which were deleted due to OOB, bad tracking, etc... (only if &quot;remove_lost_features&quot; is enabled)</span>
<a name="l00194"></a>00194 <span class="comment"></span>                        };
<a name="l00195"></a>00195 
<a name="l00196"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a8d097a7479a5363be5a282fa49d7366a">00196</a>                         <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker_1_1_t_extra_output_info.html">TExtraOutputInfo</a>  <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a8d097a7479a5363be5a282fa49d7366a" title="Updated with each call to trackFeatures()">last_execution_extra_info</a>; <span class="comment">//!&lt; Updated with each call to trackFeatures()</span>
<a name="l00197"></a>00197 <span class="comment"></span>
<a name="l00198"></a>00198                 <span class="keyword">protected</span>:<span class="comment"></span>
<a name="l00199"></a>00199 <span class="comment">                        /** The tracking method implementation, to be implemented in children classes. */</span>
<a name="l00200"></a>00200                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00201"></a>00201                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00202"></a>00202                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00203"></a>00203                                 <a class="code" href="structmrpt_1_1vision_1_1_t_simple_feature_list__templ.html">TSimpleFeatureList</a>  &amp;inout_featureList ) = 0;
<a name="l00204"></a>00204 <span class="comment"></span>
<a name="l00205"></a>00205 <span class="comment">                        /** This version falls back to the version with TSimpleFeatureList if the derived class does not implement it. */</span>
<a name="l00206"></a>00206                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00207"></a>00207                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00208"></a>00208                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00209"></a>00209                                 <a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html" title="A list of visual features, to be used as output by detectors, as input/output by trackers, etc.">CFeatureList</a> &amp;inout_featureList ) = 0;
<a name="l00210"></a>00210 
<a name="l00211"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#af9203d9f912c98716ba879041f58ff6e">00211</a>                         mrpt<a class="code" href="classmrpt_1_1utils_1_1_c_time_logger.html" title="A versatile &quot;profiler&quot; that logs the time spent within each pair of calls to enter(X)-leave(X), among other stats.">::utils::CTimeLogger</a>  <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#af9203d9f912c98716ba879041f58ff6e" title="the internal time logger, disabled by default.">m_timlog</a>; <span class="comment">//!&lt; the internal time logger, disabled by default.</span>
<a name="l00212"></a>00212 <span class="comment"></span><span class="comment"></span>
<a name="l00213"></a>00213 <span class="comment">                        /** This field is clared by \a trackFeatures() before calling \a trackFeatures_impl(), and</span>
<a name="l00214"></a>00214 <span class="comment">                          *   can be filled out with newly defected FAST(ER) features in the latter.</span>
<a name="l00215"></a>00215 <span class="comment">                          * If it&#39;s not the case, feats will be computed anyway if the user enabled the &quot;add_new_features&quot; option.</span>
<a name="l00216"></a>00216 <span class="comment">                          */</span>
<a name="l00217"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#aa80dc7e788fa6aee664d04fa49bdd4e5">00217</a>                         mrpt<a class="code" href="structmrpt_1_1vision_1_1_t_simple_feature_list__templ.html">::vision::TSimpleFeatureList</a>   <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#aa80dc7e788fa6aee664d04fa49bdd4e5" title="This field is clared by trackFeatures() before calling trackFeatures_impl(), and can be filled out wi...">m_newly_detected_feats</a>;
<a name="l00218"></a>00218 <span class="comment"></span>
<a name="l00219"></a>00219 <span class="comment">                        /** Adapts the threshold \a m_detector_adaptive_thres according to the real and desired number of features just detected */</span>
<a name="l00220"></a>00220                         <span class="keywordtype">void</span> updateAdaptiveNewFeatsThreshold(
<a name="l00221"></a>00221                                 <span class="keyword">const</span> <span class="keywordtype">size_t</span> nNewlyDetectedFeats,
<a name="l00222"></a>00222                                 <span class="keyword">const</span> <span class="keywordtype">size_t</span> desired_num_features);
<a name="l00223"></a>00223 
<a name="l00224"></a>00224                 <span class="keyword">private</span>:
<a name="l00225"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#acb2586a70ebfbfb1b666f9d02fadbb90">00225</a>                         <span class="keywordtype">size_t</span>          <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#acb2586a70ebfbfb1b666f9d02fadbb90" title="for use when &quot;update_patches_every&quot;&gt;=1">m_update_patches_counter</a>;       <span class="comment">//!&lt; for use when &quot;update_patches_every&quot;&gt;=1</span>
<a name="l00226"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a2eb5188b9edfae41afed07cd0156d397">00226</a> <span class="comment"></span>                        <span class="keywordtype">size_t</span>          <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a2eb5188b9edfae41afed07cd0156d397" title="For use when &quot;check_KLT_response_every&quot;&gt;=1.">m_check_KLT_counter</a>;    <span class="comment">//!&lt; For use when &quot;check_KLT_response_every&quot;&gt;=1</span>
<a name="l00227"></a><a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a2db465f40cfd3dcd97a18498495242c5">00227</a> <span class="comment"></span>                        <span class="keywordtype">int</span>                     <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html#a2db465f40cfd3dcd97a18498495242c5" title="For use in &quot;add_new_features&quot; == true.">m_detector_adaptive_thres</a>;  <span class="comment">//!&lt; For use in &quot;add_new_features&quot; == true</span>
<a name="l00228"></a>00228 <span class="comment"></span>
<a name="l00229"></a>00229 
<a name="l00230"></a>00230                         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> FEATLIST&gt;
<a name="l00231"></a>00231                         <span class="keywordtype">void</span> internal_trackFeatures(
<a name="l00232"></a>00232                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00233"></a>00233                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00234"></a>00234                                 FEATLIST &amp;inout_featureList );
<a name="l00235"></a>00235                 };
<a name="l00236"></a>00236 
<a name="l00237"></a><a class="code" href="group__vision__tracking.html#ga999b0935b3d00169b4c7b64c9a363ea6">00237</a>                 <span class="keyword">typedef</span> std<a class="code" href="classstd_1_1auto__ptr.html" title="STL class.">::auto_ptr&lt;CGenericFeatureTracker&gt;</a> <a class="code" href="group__vision__tracking.html#ga999b0935b3d00169b4c7b64c9a363ea6">CGenericFeatureTrackerAutoPtr</a>;
<a name="l00238"></a>00238 
<a name="l00239"></a>00239 <span class="comment"></span>
<a name="l00240"></a>00240 <span class="comment">                /** Track a set of features from old_img -&gt; new_img using sparse optimal flow (classic KL method).</span>
<a name="l00241"></a>00241 <span class="comment">                  *</span>
<a name="l00242"></a>00242 <span class="comment">                  *  See CGenericFeatureTracker for a more detailed explanation on how to use this class.</span>
<a name="l00243"></a>00243 <span class="comment">                  *</span>
<a name="l00244"></a>00244 <span class="comment">                  *   List of additional parameters in &quot;extra_params&quot; (apart from those in CGenericFeatureTracker) accepted by this class:</span>
<a name="l00245"></a>00245 <span class="comment">                  *             - &quot;window_width&quot;  (Default=15)</span>
<a name="l00246"></a>00246 <span class="comment">                  *             - &quot;window_height&quot; (Default=15)</span>
<a name="l00247"></a>00247 <span class="comment">                  *             - &quot;LK_levels&quot; (Default=3) Number of pyramids to build for LK tracking (this parameter only has effects when tracking with CImage&#39;s, not with CImagePyramid&#39;s).</span>
<a name="l00248"></a>00248 <span class="comment">                  *             - &quot;LK_max_iters&quot; (Default=10) Max. number of iterations in LK tracking.</span>
<a name="l00249"></a>00249 <span class="comment">                  *             - &quot;LK_epsilon&quot; (Default=0.1) Minimum epsilon step in interations of LK_tracking.</span>
<a name="l00250"></a>00250 <span class="comment">                  *             - &quot;LK_max_tracking_error&quot; (Default=150.0) The maximum &quot;tracking error&quot; of LK tracking such as a feature is marked as &quot;lost&quot;.</span>
<a name="l00251"></a>00251 <span class="comment">                  *</span>
<a name="l00252"></a>00252 <span class="comment">                  *  \sa OpenCV&#39;s method cvCalcOpticalFlowPyrLK</span>
<a name="l00253"></a>00253 <span class="comment">                  */</span>
<a name="l00254"></a>00254                 <span class="keyword">struct </span><a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a> <a class="code" href="structmrpt_1_1vision_1_1_c_feature_tracker___k_l.html" title="Track a set of features from old_img -&gt; new_img using sparse optimal flow (classic KL method)...">CFeatureTracker_KL</a> : <span class="keyword">public</span> <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html" title="A virtual interface for all feature trackers, implementing the part of feature tracking that is commo...">CGenericFeatureTracker</a>
<a name="l00255"></a>00255                 {<span class="comment"></span>
<a name="l00256"></a>00256 <span class="comment">                        /** Default ctor */</span>
<a name="l00257"></a><a class="code" href="structmrpt_1_1vision_1_1_c_feature_tracker___k_l.html#a373ad62f96b95208a133a5b5a6cc2251">00257</a>                         <span class="keyword">inline</span> <a class="code" href="structmrpt_1_1vision_1_1_c_feature_tracker___k_l.html#a373ad62f96b95208a133a5b5a6cc2251" title="Default ctor.">CFeatureTracker_KL</a>() { }<span class="comment"></span>
<a name="l00258"></a>00258 <span class="comment">                        /** Ctor with extra parameters */</span>
<a name="l00259"></a><a class="code" href="structmrpt_1_1vision_1_1_c_feature_tracker___k_l.html#ace6e4e53b82d1144ffa8072396c8b6d7">00259</a>                         <span class="keyword">inline</span> <a class="code" href="structmrpt_1_1vision_1_1_c_feature_tracker___k_l.html#ace6e4e53b82d1144ffa8072396c8b6d7" title="Ctor with extra parameters.">CFeatureTracker_KL</a>(<a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">mrpt::utils::TParametersDouble</a> extraParams) : <a class="code" href="structmrpt_1_1vision_1_1_c_generic_feature_tracker.html" title="A virtual interface for all feature trackers, implementing the part of feature tracking that is commo...">CGenericFeatureTracker</a>(extraParams)     { }
<a name="l00260"></a>00260 
<a name="l00261"></a>00261                 <span class="keyword">protected</span>:
<a name="l00262"></a>00262                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00263"></a>00263                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00264"></a>00264                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00265"></a>00265                                 <a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html" title="A list of visual features, to be used as output by detectors, as input/output by trackers, etc.">vision::CFeatureList</a> &amp;inout_featureList );
<a name="l00266"></a>00266 <span class="comment"></span>
<a name="l00267"></a>00267 <span class="comment">                        /** The tracking method implementation, to be implemented in children classes. */</span>
<a name="l00268"></a>00268                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00269"></a>00269                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00270"></a>00270                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00271"></a>00271                                 <a class="code" href="structmrpt_1_1vision_1_1_t_simple_feature_list__templ.html">TSimpleFeatureList</a>  &amp;inout_featureList );
<a name="l00272"></a>00272 
<a name="l00273"></a>00273                 <span class="keyword">private</span>:
<a name="l00274"></a>00274                         <span class="keyword">template</span> &lt;<span class="keyword">typename</span> FEATLIST&gt;
<a name="l00275"></a>00275                         <span class="keywordtype">void</span> trackFeatures_impl_templ(
<a name="l00276"></a>00276                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00277"></a>00277                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00278"></a>00278                                 FEATLIST  &amp;inout_featureList );
<a name="l00279"></a>00279 
<a name="l00280"></a>00280                 };
<a name="l00281"></a>00281 <span class="comment"></span>
<a name="l00282"></a>00282 <span class="comment">                /** Track a set of features from old_img -&gt; new_img by patch correlation over the closest FAST features, using a KD-tree for looking closest correspondences.</span>
<a name="l00283"></a>00283 <span class="comment">                  *  See CGenericFeatureTracker for a more detailed explanation on how to use this class.</span>
<a name="l00284"></a>00284 <span class="comment">                  *</span>
<a name="l00285"></a>00285 <span class="comment">                  *   List of additional parameters in &quot;extra_params&quot; (apart from those in CGenericFeatureTracker) accepted by this class:</span>
<a name="l00286"></a>00286 <span class="comment">                  *             - &quot;window_width&quot;  (Default=15)</span>
<a name="l00287"></a>00287 <span class="comment">                  *             - &quot;window_height&quot; (Default=15)</span>
<a name="l00288"></a>00288 <span class="comment">                  *</span>
<a name="l00289"></a>00289 <span class="comment">                  */</span>
<a name="l00290"></a>00290                 <span class="keyword">struct </span><a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a> CFeatureTracker_FAST : <span class="keyword">public</span> CGenericFeatureTracker
<a name="l00291"></a>00291                 {<span class="comment"></span>
<a name="l00292"></a>00292 <span class="comment">                        /** Ctor */</span>
<a name="l00293"></a>00293                         CFeatureTracker_FAST(<span class="keyword">const</span> <a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">mrpt::utils::TParametersDouble</a> &amp; extraParams = <a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">mrpt::utils::TParametersDouble</a>() );
<a name="l00294"></a>00294 
<a name="l00295"></a>00295                 <span class="keyword">protected</span>:
<a name="l00296"></a>00296                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00297"></a>00297                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00298"></a>00298                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00299"></a>00299                                 <a class="code" href="classmrpt_1_1vision_1_1_c_feature_list.html" title="A list of visual features, to be used as output by detectors, as input/output by trackers, etc.">vision::CFeatureList</a> &amp;inout_featureList );
<a name="l00300"></a>00300 
<a name="l00301"></a>00301                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00302"></a>00302                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00303"></a>00303                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00304"></a>00304                                 <a class="code" href="group__mrptvision__features.html#ga1a3cacefe1829fabd578ba8cc6fe6638" title="A list of image features using the structure TSimpleFeature for each feature - capable of KD-tree com...">TSimpleFeatureList</a>  &amp;inout_featureList );
<a name="l00305"></a>00305 
<a name="l00306"></a>00306                 };
<a name="l00307"></a>00307 
<a name="l00308"></a>00308 <span class="comment"></span>
<a name="l00309"></a>00309 <span class="comment">                /** Track a set of features from old_img -&gt; new_img by patch matching over a fixed window centered at each feature&#39;s previous location.</span>
<a name="l00310"></a>00310 <span class="comment">                  *  See CGenericFeatureTracker for a more detailed explanation on how to use this class.</span>
<a name="l00311"></a>00311 <span class="comment">                  *</span>
<a name="l00312"></a>00312 <span class="comment">                  *   List of additional parameters in &quot;extra_params&quot; (apart from those in CGenericFeatureTracker) accepted by this class:</span>
<a name="l00313"></a>00313 <span class="comment">                  *             - &quot;window_width&quot;  (Default=15)</span>
<a name="l00314"></a>00314 <span class="comment">                  *             - &quot;window_height&quot; (Default=15)</span>
<a name="l00315"></a>00315 <span class="comment">                  *</span>
<a name="l00316"></a>00316 <span class="comment">                  */</span>
<a name="l00317"></a>00317                 <span class="keyword">struct </span><a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a> CFeatureTracker_PatchMatch : <span class="keyword">public</span> CGenericFeatureTracker
<a name="l00318"></a>00318                 {<span class="comment"></span>
<a name="l00319"></a>00319 <span class="comment">                        /** Ctor */</span>
<a name="l00320"></a>00320                         CFeatureTracker_PatchMatch(<span class="keyword">const</span> <a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">mrpt::utils::TParametersDouble</a> &amp; extraParams = <a class="code" href="structmrpt_1_1utils_1_1_t_parameters.html" title="For usage when passing a dynamic number of (numeric) arguments to a function, by name.">mrpt::utils::TParametersDouble</a>() );
<a name="l00321"></a>00321 
<a name="l00322"></a>00322                 <span class="keyword">protected</span>:
<a name="l00323"></a>00323                         <span class="keyword">virtual</span> <span class="keywordtype">void</span> trackFeatures_impl(
<a name="l00324"></a>00324                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;old_img,
<a name="l00325"></a>00325                                 <span class="keyword">const</span> <a class="code" href="classmrpt_1_1utils_1_1_c_image.html" title="A class for storing images as grayscale or RGB bitmaps.">CImage</a> &amp;new_img,
<a name="l00326"></a>00326                                 vision::CFeatureList &amp;inout_featureList );
<a name="l00327"></a>00327                 };
<a name="l00328"></a>00328 <span class="comment"></span>
<a name="l00329"></a>00329 <span class="comment">                /** Search for correspondences which are not in the same row and deletes them</span>
<a name="l00330"></a>00330 <span class="comment">                  * ...</span>
<a name="l00331"></a>00331 <span class="comment">                  */</span>
<a name="l00332"></a>00332                 <span class="keywordtype">void</span> <a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a> <a class="code" href="group__vision__tracking.html#ga448561282b2b497927a68d87b89c031b" title="Search for correspondences which are not in the same row and deletes them ...">checkTrackedFeatures</a>( CFeatureList &amp;leftList,
<a name="l00333"></a>00333                                                         CFeatureList &amp;rightList,
<a name="l00334"></a>00334                                                         vision::TMatchingOptions options);
<a name="l00335"></a>00335 
<a name="l00336"></a>00336 <span class="comment"></span>
<a name="l00337"></a>00337 <span class="comment">                /** Filter bad correspondences by distance</span>
<a name="l00338"></a>00338 <span class="comment">                  * ...</span>
<a name="l00339"></a>00339 <span class="comment">                  */</span>
<a name="l00340"></a>00340                 <span class="keywordtype">void</span> <a class="code" href="vision_2include_2mrpt_2vision_2link__pragmas_8h.html#aa4a17fb846aac61f4e57b17b6f784559">VISION_IMPEXP</a> <a class="code" href="group__vision__tracking.html#ga695207179df350c26c75928d23ebec0e" title="Filter bad correspondences by distance ...">filterBadCorrsByDistance</a>( <a class="code" href="classmrpt_1_1utils_1_1_t_matching_pair_list.html" title="A list of TMatchingPair.">mrpt::utils::TMatchingPairList</a> &amp;list,      <span class="comment">// The list of correspondences</span>
<a name="l00341"></a>00341                                                                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numberOfSigmas );                          <span class="comment">// Threshold</span>
<a name="l00342"></a>00342 
<a name="l00343"></a>00343 
<a name="l00344"></a>00344 <span class="comment"></span>
<a name="l00345"></a>00345 <span class="comment">                /**  @}  */</span>  <span class="comment">// end of grouping</span>
<a name="l00346"></a>00346         }
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348 
<a name="l00349"></a>00349 
<a name="l00350"></a>00350 <span class="preprocessor">#endif</span>
</pre></div></div>
</div>
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