https://www.polymtl.ca/index.php?action=history&feed=atom&title=Ideas_for_Feature-basedTracking_Improvements 2026-05-06T11:27:18Z Historique pour cette page sur le wiki MediaWiki 1.24.0 https://www.polymtl.ca/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements&diff=371&oldid=prev 2014-06-06T16:19:15Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Version précédente</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Version du 6 juin 2014 à 16:19</td> </tr><tr><td colspan="2" class="diff-lineno">Ligne 1 :</td> <td colspan="2" class="diff-lineno">Ligne 1 :</td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* feature tracking</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** keep looking for optical flow matches for lost features (then interpolate linearly if found again)</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** keep stationary features who have moved enough in the past (remove stationary part if they do not move again)</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** detect keypoints continuously over the whole image to check that a feature trajectory would have some level of continuous detection</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">** run shadow detection and remove features mostly detected as shadow over time</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* avoid over grouping</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* avoid over grouping</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>stats on motion model: acceleration, speed for normal and overgrouped</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>stats on motion model: acceleration, speed for normal and overgrouped</div></td></tr> </table>

NicolasSaunier https://www.polymtl.ca/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements&diff=370&oldid=prev 2014-06-06T14:31:05Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Version précédente</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Version du 6 juin 2014 à 14:31</td> </tr><tr><td colspan="2" class="diff-lineno">Ligne 1 :</td> <td colspan="2" class="diff-lineno">Ligne 1 :</td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* avoid over grouping</ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">stats on motion model: acceleration, speed for normal and overgrouped</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Classify features (based on speed, image patch, image foreground) and connect accordingly</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Classify features (based on speed, image patch, image foreground) and connect accordingly</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>compute gait/kinematic parameters and connect accordingly</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>compute gait/kinematic parameters and connect accordingly</div></td></tr> </table>

NicolasSaunier https://www.polymtl.ca/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements&diff=368&oldid=prev 2014-06-05T19:29:23Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Version précédente</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Version du 5 juin 2014 à 19:29</td> </tr><tr><td colspan="2" class="diff-lineno">Ligne 1 :</td> <td colspan="2" class="diff-lineno">Ligne 1 :</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Classify features (based on speed, image patch, image foreground) and connect accordingly</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Classify features (based on speed, image patch, image foreground) and connect accordingly</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">compute gait/kinematic parameters and connect accordingly</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Add and modulate the similarity constraints</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Add and modulate the similarity constraints</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>constant distance over time</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>constant distance over time</div></td></tr> </table>

NicolasSaunier https://www.polymtl.ca/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements&diff=367&oldid=prev 2014-06-05T19:23:06Z

<p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Version précédente</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Version du 5 juin 2014 à 19:23</td> </tr><tr><td colspan="2" class="diff-lineno">Ligne 1 :</td> <td colspan="2" class="diff-lineno">Ligne 1 :</td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* Classify features (based on speed, image patch, image foreground) and connect accordingly</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Add and modulate the similarity constraints</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Add and modulate the similarity constraints</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>constant distance over time</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>constant distance over time</div></td></tr> </table>

NicolasSaunier https://www.polymtl.ca/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements&diff=364&oldid=prev 2014-06-05T19:21:14Z

<p>a renommé <a href="/wikitransport/index.php?title=FeatureBasedTrackingImprovements" class="mw-redirect" title="FeatureBasedTrackingImprovements">FeatureBasedTrackingImprovements</a> en <a href="/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements" title="Ideas for Feature-basedTracking Improvements">Ideas for Feature-basedTracking Improvements</a></p> <table class='diff diff-contentalign-left'> <tr style='vertical-align: top;'> <td colspan='1' style="background-color: white; color:black; text-align: center;">← Version précédente</td> <td colspan='1' style="background-color: white; color:black; text-align: center;">Version du 5 juin 2014 à 19:21</td> </tr><tr><td colspan='2' style='text-align: center;'><div class="mw-diff-empty">(Aucune différence)</div> </td></tr></table>

NicolasSaunier https://www.polymtl.ca/wikitransport/index.php?title=Ideas_for_Feature-basedTracking_Improvements&diff=363&oldid=prev 2014-06-05T19:20:55Z

<p>Page créée avec « * Add and modulate the similarity constraints constant distance over time similar velocity angle robust: percentage of time that the condition must be met * Extend the graph … »</p> <p><b>Nouvelle page</b></p><div>* Add and modulate the similarity constraints<br /> constant distance over time<br /> similar velocity angle<br /> robust: percentage of time that the condition must be met<br /> * Extend the graph with weights instead of 0/1 (edge or not)</div>

NicolasSaunier