{"id":267,"date":"2018-10-16T09:22:43","date_gmt":"2018-10-16T09:22:43","guid":{"rendered":"https:\/\/www.prayananimation.com\/blog\/?p=267"},"modified":"2024-01-20T14:23:39","modified_gmt":"2024-01-20T08:53:39","slug":"how-does-markerless-motion-capture-work","status":"publish","type":"post","link":"https:\/\/www.prayananimation.com\/blog\/how-does-markerless-motion-capture-work\/","title":{"rendered":"How does Markerless Motion Capture Work?"},"content":{"rendered":"<p style=\"text-align: justify;\">The possibility to work markerless is advantageous in various ways:\u00a0Working Markerless is one of the achievements that <a href=\"https:\/\/www.prayananimation.com\/blog\/whats-a-reversal-in-animation\/\" target=\"_blank\" rel=\"noopener\">have improved the analyzing of objects and one can easily deconstruct and put together<\/a> a complex figure or get the desired results of a process.<\/p>\n<ul style=\"text-align: justify;\">\n<li>&#8211; No time loss due to attaching markers<\/li>\n<li>&#8211; Less failure potential due to misplacement of markers<\/li>\n<li>&#8211; No artifacts because of markers moving on skin or clothes<\/li>\n<li>&#8211; No disturbance of movement caused by markers<\/li>\n<li>&#8211; Hybrid tracking possibility<\/li>\n<li>&#8211; Automatic processing<\/li>\n<\/ul>\n<p><iframe loading=\"lazy\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/pXJ2ImB-Q7I?si=LxJntjazULqTEjm7\" width=\"100%\" height=\"400\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p style=\"text-align: justify;\">One of the famous tools used in the <strong>markerless process<\/strong> is a depth-sensitive camera; most depth-sensitive cameras are just more like digital cameras only that they contain information about the distance of an object. Hence, a scene can be digitally free and constructed into a 3D form with much ease. These cameras are used to analyze the mechanical aspect of running with much precision.<\/p>\n<p style=\"text-align: justify;\">In contrast to traditional motion capture systems, depth cameras do not rely on physical body markers. Instead, they use a\u00a0pattern of near-infrared light to perceive depth. In a way, one can say that a depth camera generates its own body markers made of light. Therefore, no special suits or body stickers need to be worn which makes running analysis very fast and easy. You just need to step on the treadmill and run and that\u2019s it.<\/p>\n<p style=\"text-align: justify;\">The cameras that are used in this markerless capture process come with the built-in tracking capability which works better for the general areas where precision and speed are not that crucial. For vigorous action such as running, that is not adequate, hence, most analysis software such as <strong>SIMI shape 3D and MotionMetrix<\/strong> come with their algorithms for proper 3D reconstruction. This helps in getting the exact movements of each segment for clear analysis.<\/p>\n<p style=\"text-align: justify;\">The following are common <strong>set-ups for the markerless motion capture<\/strong><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/258055218?h=c6da53da98\" width=\"100%\" height=\"400\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<ul style=\"text-align: justify;\">\n<li>&#8211; Kinetic cameras, wall mounted or on floor stands or placed around the actor (circular form around the room)<\/li>\n<li>&#8211; A Windows computer with markerless motion capture software.<\/li>\n<li>&#8211; A stable placing of background cameras.<\/li>\n<li>&#8211; Room space: 3 x 4 square meters or more<\/li>\n<\/ul>\n<p style=\"text-align: justify;\">When the set-up is complete, the silhouettes from the actor are extracted and used to reconstruct an object for analysis. The results are\u00a0<strong>3D joint positions and joint angles\u00a0<\/strong>(similar to marker-based systems but without using markers)<\/p>\n<p style=\"text-align: justify;\">All categories rely on rigorous kinematic and kinetic calculations to extract the angles, forces, timing parameters, and everything else that matters for a complete running mechanics assessment. Before, you needed to visit a fully equipped biomechanics lab and spend a day to get the same parameters.<\/p>\n<p><a href=\"https:\/\/www.prayananimation.com\" target=\"_blank\" rel=\"noopener\">Prayan Animation Studio<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The possibility to work markerless is advantageous in various ways:&nbsp;Working Markerless is one of the achievements that have improved the analyzing of objects and one can easily deconstruct and put together a complex figure or get the desired results of a process. &ndash; No time loss due to attaching markers &ndash; Less failure potential due &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.prayananimation.com\/blog\/how-does-markerless-motion-capture-work\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;How does Markerless Motion Capture Work?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4474,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[550,551,354,369,10,440,353,230,339,188,189,194,167,170,7,117,81,549,376,8,153,9,385,386,387],"tags":[497,37,11,77,14,104,134,60,445,484,15,68,69,517,56,352,13,559,378,564,61,582,186,187,185,571,570,141,17,51,40,351,348,560,18,572,573,26],"class_list":["post-267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2d-animation","category-3d-animation","category-animated-feature","category-animated-series","category-animation","category-animation-ip","category-animation-movie","category-animation-short-film","category-applications-of-animation","category-best-2d-animation-services-in-india","category-best-toonbom-studio-in-india","category-best-toonboom-studio-in-india","category-best-video-production-studios","category-character-animation","category-digital","category-educational-videos","category-gameing","category-kids","category-kids-series","category-media","category-sci-fi-and-fantasy-series-on-netflix","category-technology","category-youtube","category-youtube-kids","category-youtube-video","tag-2d","tag-2d-3d-animation-production","tag-2d-animation","tag-2d-animation-companies","tag-2d-animation-company","tag-2d-animation-services","tag-2d-animation-services-in-india","tag-2d-animation-studio","tag-3d","tag-3d-animation","tag-3d-animation-company","tag-3d-animation-services","tag-3d-animation-studio","tag-animated-film","tag-animated-movie","tag-animated-movies","tag-animation-company","tag-animation-film","tag-animation-movie","tag-animation-movie-production","tag-animation-studio","tag-animation-studio-in-india","tag-best-2d-animation-company-in-india","tag-best-2d-animation-services-in-india","tag-best-2d-animation-studio-in-india","tag-best-animation-studio","tag-best-animation-studio-in-india","tag-best-animation-studio-in-united-states","tag-comic-book-creation","tag-how-does-markerless-motion-capture-work","tag-indian-animation-studios","tag-kids-film","tag-kids-movie","tag-movie","tag-prayan-animation","tag-top-animation-studio","tag-top-animation-studio-in-india","tag-what-not-to-do-as-a-new-animator"],"yoast_head":"<!-- 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