{"id":1639,"date":"2008-07-04T15:05:25","date_gmt":"2008-07-04T13:05:25","guid":{"rendered":"http:\/\/www.wjst.de\/blog\/?p=1639"},"modified":"2020-01-20T02:17:39","modified_gmt":"2020-01-20T02:17:39","slug":"webcam-based-laser-point-tracking","status":"publish","type":"post","link":"https:\/\/www.wjst.de\/blog\/sciencesurf\/2008\/07\/webcam-based-laser-point-tracking\/","title":{"rendered":"Webcam based laser point tracking"},"content":{"rendered":"<p>If you do have the same problem like me &#8211; operating a computer, pointing towards a wall and looking at the same time at an audience is somewhat odd &#8211; here may be a solution for you.<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/7mz0AiU98ls\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>Initially found this at <a href=\"http:\/\/www.bobbaddeley.com\/2009\/05\/21\/laser-pointer-interface\/\">a blog<\/a> with some java source code.<br \/>\nAnother video example is<\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/ggsqsDXyiR0\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>with abandonded <a href=\"http:\/\/www.codeplex.com\/laserinteraction\/SourceControl\/DownloadSourceCode.aspx?changeSetId=1679\">C# code<\/a> that compiled nicely on my mac (laserinteraction). Experiments are ongoing&#8230;<\/p>\n\n<p>&nbsp;<\/p>\n<div class=\"bottom-note\">\n  <span class=\"mod1\">CC-BY-NC Science Surf , accessed 06.04.2026<\/span>\n <\/div>","protected":false},"excerpt":{"rendered":"<p>If you do have the same problem like me &#8211; operating a computer, pointing towards a wall and looking at the same time at an audience is somewhat odd &#8211; here may be a solution for you. Initially found this at a blog with some java source code. Another video example is with abandonded C# &hellip; <a href=\"https:\/\/www.wjst.de\/blog\/sciencesurf\/2008\/07\/webcam-based-laser-point-tracking\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Webcam based laser point tracking<\/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":{"footnotes":""},"categories":[6,9,2993],"tags":[1958,1959],"class_list":["post-1639","post","type-post","status-publish","format-standard","hentry","category-joke-fun","category-computer-software","category-video","tag-audience","tag-talk"],"_links":{"self":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/1639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/comments?post=1639"}],"version-history":[{"count":4,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/1639\/revisions"}],"predecessor-version":[{"id":15216,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/posts\/1639\/revisions\/15216"}],"wp:attachment":[{"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/media?parent=1639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/categories?post=1639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wjst.de\/blog\/wp-json\/wp\/v2\/tags?post=1639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}