{"id":2511,"date":"2019-03-22T21:48:31","date_gmt":"2019-03-23T01:48:31","guid":{"rendered":"http:\/\/ninecrows.com\/career\/?p=2511"},"modified":"2019-03-23T13:17:34","modified_gmt":"2019-03-23T17:17:34","slug":"looking-at-3d-location-of-objects-with-multiple-cameras","status":"publish","type":"post","link":"https:\/\/ninecrows.com\/career\/2019\/03\/22\/looking-at-3d-location-of-objects-with-multiple-cameras\/","title":{"rendered":"Looking at 3D location of Objects with Multiple Cameras"},"content":{"rendered":"\n<p>We tried doing some motion capture with a kinect 2 today. Results were mixed though less than ideal.<\/p>\n\n\n\n<p>I am thinking of using OpenCV to acquire images and use them to register locations in three-space. I currently have two high quality cameras and a lower quality one to play with&#8230;I expect that if things go well I&#8217;ll likely pick up a third higher quality camera to work with along with some hard-mounts for them in the basement. Ideally I&#8217;d love to be able to code up some decent motion capture functionality using cameras and reference marks on limbs.<\/p>\n\n\n\n<p>A bit of experimentation will be required in order to get there though.<\/p>\n\n\n\n<p>I am wondering whether a faster, lower resolution webcam might do better for this. There are some $20.00 a piece cameras with USB-2 interface out there (<a href=\"https:\/\/www.amazon.com\/Microsoft-3364820-LifeCam-HD-3000\/dp\/B005BZNEKM\/ref=sr_1_3?keywords=microsoft%2Blifecam&amp;qid=1553359945&amp;s=gateway&amp;sr=8-3&amp;th=1\">Microsoft Lifecam-3000<\/a> or <a href=\"https:\/\/www.amazon.com\/Logitech-Widescreen-designed-Calling-Recording\/dp\/B004FHO5Y6\/ref=pd_sim_147_5\/158-7996706-9991228?_encoding=UTF8&amp;pd_rd_i=B004FHO5Y6&amp;pd_rd_r=6a93c50b-4d8c-11e9-918e-9331052c3a54&amp;pd_rd_w=M5ipG&amp;pd_rd_wg=BRs1R&amp;pf_rd_p=90485860-83e9-4fd9-b838-b28a9b7fda30&amp;pf_rd_r=EB1NA1ZQS4ZQWTPJ7ZSV&amp;psc=1&amp;refRID=EB1NA1ZQS4ZQWTPJ7ZSV\">Logitech C270<\/a>) instead of the higher-end, USB-3 autofocus <a href=\"https:\/\/www.amazon.com\/Logitech-C930e-1080P-Video-Webcam\/dp\/B00CRJWW2G\/ref=sr_1_7?keywords=webcam&amp;qid=1553359686&amp;s=gateway&amp;sr=8-7\">Logitech C930e<\/a>. Both wondering whether the lower resolution and USB-2 may provide a higher frame rate and whether fixed focus will stay consistent without periodic refocus hits.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We tried doing some motion capture with a kinect 2 today. Results were mixed though less than ideal. I am thinking of using OpenCV to acquire images and use them to register locations in three-space. I currently have two high quality cameras and a lower quality one to play with&#8230;I expect that if things go &hellip; <a href=\"https:\/\/ninecrows.com\/career\/2019\/03\/22\/looking-at-3d-location-of-objects-with-multiple-cameras\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Looking at 3D location of Objects with Multiple Cameras<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[43,2,22,7,74],"tags":[],"class_list":["post-2511","post","type-post","status-publish","format-standard","hentry","category-c","category-projects","category-sandbox","category-topics","category-unity"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p7F2Qc-Ev","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/posts\/2511"}],"collection":[{"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/comments?post=2511"}],"version-history":[{"count":2,"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/posts\/2511\/revisions"}],"predecessor-version":[{"id":2516,"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/posts\/2511\/revisions\/2516"}],"wp:attachment":[{"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/media?parent=2511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/categories?post=2511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ninecrows.com\/career\/wp-json\/wp\/v2\/tags?post=2511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}