{"id":17259,"date":"2020-06-22T11:45:07","date_gmt":"2020-06-22T15:45:07","guid":{"rendered":"https:\/\/bangla.salearningschool.com\/recent-posts\/target-tracking-closely-separated-targets-algorithms-and-performance\/"},"modified":"2020-06-25T22:01:17","modified_gmt":"2020-06-26T02:01:17","slug":"target-tracking-closely-separated-targets-algorithms-and-performance","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=17259","title":{"rendered":"Target Tracking: Closely Separated Targets. Algorithms and Performance"},"content":{"rendered":"<p><strong>What are the two types of tracking measures?<\/strong><\/p>\n<ul>\n<li>Measures of performance (MOP)<\/li>\n<li>measures of effectiveness (MOE)<\/li>\n<\/ul>\n<p><strong>What are the two broad categories for MOP and MOE?<\/strong><\/p>\n<ul>\n<li>Sensor-related\n<ul>\n<li>sensor characteristics<\/li>\n<\/ul>\n<\/li>\n<li>Tracker-related\n<ul>\n<li>algorithm-free and algorithm-dependent<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Give some information on Algorithm and Algorithm Free<\/strong><\/p>\n<ul>\n<li>Algorithm Dependent\n<ul>\n<li>Track scores in the Multiple Hypothesis tracker<\/li>\n<\/ul>\n<\/li>\n<li>Algorithm Free\n<ul>\n<li>Applicable to any tracker<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>What are different types of Tracker<\/strong><\/p>\n<ul>\n<li>Single-hypothesis tracker<\/li>\n<li>Multiple-hypothesis tracker<\/li>\n<li>Probabilistic data association tracker<\/li>\n<\/ul>\n<p><strong>What is a great way to track maneuvering targets better?<\/strong><\/p>\n<ul>\n<li>Estimate the motion of the targets by using various models<\/li>\n<\/ul>\n<p><strong>What are some objectives of target tracking? What are some of the concerns that tracking wants to answer?<\/strong><\/p>\n<p>\u201c<\/p>\n<ul>\n<li>How many objects are there?<\/li>\n<li>Where are the objects located in space?<\/li>\n<li>What is their speed and direction of motion?<\/li>\n<li>How do the objects maneuver relative to each other?<\/li>\n<\/ul>\n<p>\u201c<\/p>\n<p><strong>What is one challenge in detecting\/tracking closely separated targets?<\/strong><\/p>\n<ul>\n<li>If the targets are in one sensor resolution cell, then only one target will be reported<\/li>\n<\/ul>\n<p><strong>What is the simplest choice for multi-target tracking?<\/strong><\/p>\n<ul>\n<li>Single-hypothesis tracker like the GNN<\/li>\n<\/ul>\n<p><strong>How does interacting multiple-model (IMM) help in tracking?<\/strong><\/p>\n<ul>\n<li>IMM can help to find the correct motion models of the targets<\/li>\n<\/ul>\n<p><strong>What can help with broken tracks?<\/strong><\/p>\n<ul>\n<li>a multiple-hypothesis tracker (MHT)<\/li>\n<\/ul>\n<p><strong>How does MHT help with this?<\/strong><\/p>\n<ul>\n<li>It can create and maintain multiple tracks for ambiguous situations and<\/li>\n<li>then resolves for ambiguity for better tracking<\/li>\n<li>MHT can improve the tracking when the targets turn (and go away from one another)<\/li>\n<\/ul>\n<p><strong>Compare JPDA and MHT<\/strong><\/p>\n<ul>\n<li>MHT can be slower than JPDA<\/li>\n<li>JPDA can be thought of sub-optimal tracking where MHT is more optimal tracking<\/li>\n<li>MHT is usually slower<\/li>\n<\/ul>\n<p><strong>How does JPDA work and how is this different from MHT?<\/strong><\/p>\n<ul>\n<li>\u201cJPDA allows a single detection to be used for updating multiple tracks in its vicinity. Moreover, multiple detections can be clustered together with several tracks and update each of those tracks. This resolves the issue of the broken track.\u201d<\/li>\n<\/ul>\n<p><strong>How is track status kept in JPDA for ambiguous regions?<\/strong><\/p>\n<ul>\n<li>Confirmed<\/li>\n<\/ul>\n<p><strong>Can IMM be used with JPDA?<\/strong><\/p>\n<ul>\n<li>Yes<\/li>\n<\/ul>\n<p><strong>How does IMM with JPDA help?<\/strong><\/p>\n<ul>\n<li>Provides better before turn tracking<\/li>\n<li>the turn before the ambiguity region is better addressed<\/li>\n<\/ul>\n<p><strong>Are GNN and JPDA faster than MHT?<\/strong><\/p>\n<ul>\n<li>Yes<\/li>\n<\/ul>\n<p><strong>Give an example when the Constant Velocity model does not give better tracking?<\/strong><\/p>\n<ul>\n<li>Maneuvering targets<\/li>\n<li>How can that be improved\n<ul>\n<li>Use IMM<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>The algorithms as discussed which one is the best overall and in general<\/strong><\/p>\n<ul>\n<li>JPDA<\/li>\n<\/ul>\n<p><strong>Still JPDA is faster and great, can there be a scenario where JPDA is not appropriate?<\/strong><\/p>\n<ul>\n<li>Too much ambiguity where JPDA or GNN cannot give proper tracking<\/li>\n<\/ul>\n<p><strong>References<\/strong>: The fusion example TrackingCloselySpacedTargetsUnderAmbiguityExample in Matlab document<\/p>\n<p>*** . *** *** . *** . *** . ***<\/p>\n<p><em><strong><em><strong>Training Courses: <\/strong><a href=\"http:\/\/training.sitestree.com\/\">http:\/\/Training.SitesTree.com<\/a> <\/em><br \/>\nBlog<\/strong>: <a href=\"http:\/\/bangla.salearningschool.com\/\">http:\/\/Bangla.SaLearningSchool.com<\/a>, <a href=\"http:\/\/sitestree.com\">http:\/\/SitesTree.com<\/a><\/em><br \/>\n<em><strong>8112223 Canada Inc\/Justetc<\/strong>: <a href=\"http:\/\/JustEtc.net\">http:\/\/JustEtc.net<\/a><\/em><br \/>\n<em>Youtube: <\/em><a href=\"https:\/\/www.youtube.com\/channel\/UCHrtq0pV8mEuTLGd2-Lp9ig\/playlists\">https:\/\/www.youtube.com\/channel\/UCHrtq0pV8mEuTLGd2-Lp9ig\/playlists<\/a><br \/>\n<em><strong>Medium: <\/strong><\/em><a href=\"https:\/\/medium.com\/@SayedAhmedCanada\">https:\/\/medium.com\/@SayedAhmedCanada<\/a><\/p>\n<p><em><\/em><br \/>\n<em><strong>Sayed Ahmed<\/strong><br \/>\n<\/em><br \/>\n<em><strong>BSc. Eng. in Comp. Sc. &amp; Eng. (BUET)<\/strong><\/em><br \/>\n<em><strong>MSc. in Comp. Sc. (U of Manitoba, Canada)<\/strong><\/em><br \/>\n<em><strong>MSc. in Data Science and Analytics (Ryerson University, Canada)<\/strong><\/em><br \/>\n<em><strong>Linkedin<\/strong>: <a href=\"https:\/\/ca.linkedin.com\/in\/sayedjustetc\">https:\/\/ca.linkedin.com\/in\/sayedjustetc<\/a><br \/>\n<\/em><\/p>\n<p><em><strong>Facebook Groups\/Forums to discuss (Q &amp; A): <\/strong><\/em><br \/>\n<a href=\"https:\/\/www.facebook.com\/salearningschool\/?ref=your_pages\">https:\/\/www.facebook.com\/salearningschool<\/a><\/p>\n<p><a href=\"https:\/\/www.facebook.com\/banglasalearningschool\">https:\/\/www.facebook.com\/banglasalearningschool<\/a><br \/>\n<a href=\"https:\/\/www.facebook.com\/justetcsocial\">https:\/\/www.facebook.com\/justetcsocial<\/a><\/p>\n<p><em>Get access to courses on Big Data, Data Science, AI, Cloud, Linux, System Admin, Web Development and Misc. related. Also, create your own course to sell to others. <\/em><a href=\"http:\/\/sitestree.com\/training\/\">http:\/\/sitestree.com\/training\/<\/a><\/p>\n<p><strong>Join, Discuss, and Thrive:<\/strong><br \/>\nFinance: <a href=\"https:\/\/www.facebook.com\/groups\/1792339521056034\">https:\/\/www.facebook.com\/groups\/1792339521056034<\/a><\/p>\n<p>Bangladesh and Canada: <a href=\"https:\/\/www.facebook.com\/groups\/398414183875009\">https:\/\/www.facebook.com\/groups\/398414183875009<\/a><\/p>\n<p>Bangladesh: IT &amp; Eng: Canada: <a href=\"https:\/\/www.facebook.com\/groups\/480297675634630\">https:\/\/www.facebook.com\/groups\/480297675634630<\/a><\/p>\n<p>BUETians in Ontario: <a href=\"https:\/\/www.facebook.com\/groups\/371982239854027\">https:\/\/www.facebook.com\/groups\/371982239854027<\/a><\/p>\n<p>Worldwide IT: <a href=\"https:\/\/www.facebook.com\/groups\/28362061867\">https:\/\/www.facebook.com\/groups\/28362061867<\/a><\/p>\n<p>JustEtc: <a href=\"https:\/\/www.facebook.com\/JustETC-Technologies-Inc-289864738261\">https:\/\/www.facebook.com\/JustETC-Technologies-Inc-289864738261<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What are the two types of tracking measures? Measures of performance (MOP) measures of effectiveness (MOE) What are the two broad categories for MOP and MOE? Sensor-related sensor characteristics Tracker-related algorithm-free and algorithm-dependent Give some information on Algorithm and Algorithm Free Algorithm Dependent Track scores in the Multiple Hypothesis tracker Algorithm Free Applicable to any &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=17259\">Continue reading<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1916,182],"tags":[],"class_list":["post-17259","post","type-post","status-publish","format-standard","hentry","category-tracking-and-estimation-for-good-cause","category---blog","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":17260,"url":"http:\/\/bangla.sitestree.com\/?p=17260","url_meta":{"origin":17259,"position":0},"title":"Performance Measurement Metrics for Target (Aeroplanes, People) Tracking","author":"Sayed","date":"June 24, 2020","format":false,"excerpt":"Performance Measurement Metrics for Target (Aeroplanes, People) Tracking By Sayed Ahmed Let\u2019s see, you want to track the aeroplanes in the sky using some radar and tracking algorithms. You have written simulation software for that. How will you measure that your software and algorithm is doing a great job. Even\u2026","rel":"","context":"In &quot;Tracking and Estimation for Good Cause&quot;","block_context":{"text":"Tracking and Estimation for Good Cause","link":"http:\/\/bangla.sitestree.com\/?cat=1916"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":17261,"url":"http:\/\/bangla.sitestree.com\/?p=17261","url_meta":{"origin":17259,"position":1},"title":"Misc. Information on Multi-Target Tracking: Algorithm Comparisons","author":"Sayed","date":"June 24, 2020","format":false,"excerpt":"Misc. Information on Multi-Target Tracking: Algorithm Comparisons Any information on IMM-SD? Theoretically IMM-SD and IMM-MHT should provide equivalent performance in tracking Can be considered as an implementation of IMM-MHT However, simulation shows that IMM-SD performs better. How can IMM-SD achieve better performance than IMM-MHT? IMM-SD finds the global optimal where\u2026","rel":"","context":"In &quot;Tracking and Estimation for Good Cause&quot;","block_context":{"text":"Tracking and Estimation for Good Cause","link":"http:\/\/bangla.sitestree.com\/?cat=1916"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":20425,"url":"http:\/\/bangla.sitestree.com\/?p=20425","url_meta":{"origin":17259,"position":2},"title":"Eye-tracking Web Usability Test Sample","author":"Author-Check- Article-or-Video","date":"February 20, 2021","format":false,"excerpt":"Sample of an eye-tracking capture showing real-time gaze point of a single user. Sound and user's face not included in this video. From: http:\/\/sitestree.com\/?p=2488 Categories:Web UsabilityTags:Testing, Web Usability, Eye Tracker Post Data:2015-10-10 08:16:09","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":20477,"url":"http:\/\/bangla.sitestree.com\/?p=20477","url_meta":{"origin":17259,"position":3},"title":"Eye-tracking Web Usability Test Sample","author":"Author-Check- Article-or-Video","date":"February 21, 2021","format":false,"excerpt":"Sample of an eye-tracking capture showing real-time gaze point of a single user. Sound and user's face not included in this video. From: http:\/\/sitestree.com\/?p=2488 Categories:Web UsabilityTags:Testing, Web Usability, Eye Tracker Post Data:2015-10-10 08:16:09","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":76274,"url":"http:\/\/bangla.sitestree.com\/?p=76274","url_meta":{"origin":17259,"position":4},"title":"What are Association rule and APriori Algorithm. How to calculate the related measures.","author":"Sayed","date":"August 25, 2024","format":false,"excerpt":"Apriori[1]\u00a0is an\u00a0algorithm\u00a0for frequent item set mining and\u00a0association rule learning\u00a0over\u00a0relational databases. It proceeds by identifying the frequent individual items in the database and extending them to larger and larger item sets as long as those item sets appear sufficiently often in the database. The frequent item sets determined by Apriori can\u2026","rel":"","context":"In &quot;\u09ac\u09cd\u09b2\u0997 \u0964 Blog&quot;","block_context":{"text":"\u09ac\u09cd\u09b2\u0997 \u0964 Blog","link":"http:\/\/bangla.sitestree.com\/?cat=182"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2024\/08\/image-9.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2024\/08\/image-9.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/bangla.sitestree.com\/wp-content\/uploads\/2024\/08\/image-9.png?resize=525%2C300 1.5x"},"classes":[]},{"id":17272,"url":"http:\/\/bangla.sitestree.com\/?p=17272","url_meta":{"origin":17259,"position":5},"title":"Video 2: Track Closely Separated Targets. Algorithms and Performance Measures. With Demo.","author":"Sayed","date":"June 25, 2020","format":false,"excerpt":"","rel":"","context":"In &quot;Tracking and Estimation for Good Cause&quot;","block_context":{"text":"Tracking and Estimation for Good Cause","link":"http:\/\/bangla.sitestree.com\/?cat=1916"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/17259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17259"}],"version-history":[{"count":1,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/17259\/revisions"}],"predecessor-version":[{"id":17276,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/17259\/revisions\/17276"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17259"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}