{"id":376,"date":"2022-08-30T15:00:19","date_gmt":"2022-08-30T15:00:19","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2013\/11\/06\/problem-about-kalman-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:00:19","modified_gmt":"2022-08-30T15:00:19","slug":"problem-about-kalman-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-kalman-collection-of-common-programming-errors\/","title":{"rendered":"problem about kalman-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li><img decoding=\"async\" src=\"http:\/\/i.stack.imgur.com\/pnfSQ.png?s=32&amp;g=1\" \/><br \/>\nCTZStef<br \/>\nc++ ubuntu opencv kalman<br \/>\nI can&#8217;t find the file I have to include to my code to get cvRand (and all other related functions, such as cvRandInit &#8230; ) to be recognized by the compiler. It&#8217;s weird,<\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/d6db99aa846a8217f7e2aba6fa198e7c?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\ngnat<br \/>\nc++ opencv kalman<br \/>\nI was using the OpenCV to predict the motion of a ball seen with a webcam. However I keep getting an error on the cvKalmanPredict state, so I simplify the code into these few lines and try to test the filter solely:CvKalman* kalman = cvCreateKalman(6,3,1);kalman-&gt;temp2 = cvCreateMat(1, 1, CV_32FC1);float alpha = 0.1, beta = 0.2;float kalmA[] = {1.0+t0\/t1, 0, 0, -t0\/t1, 0, 0,0, 1.0+t0\/t1, 0, 0, -t0\/t1, 0,0, 0, 1.0+t0\/t1, 0, 0, -t0\/t1,1, 0, 0, 0, 0, 0,0, 1, 0, 0, 0, 0,0, 0, 1, 0, 0, 0};float kalmB[] = {0, 0, 1, 0, 0, 0};float kalmH[] = {1, 0<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2013-11-06 03:34:05. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>CTZStef c++ ubuntu opencv kalman I can&#8217;t find the file I have to include to my code to get cvRand (and all other related functions, such as cvRandInit &#8230; ) to be recognized by the compiler. It&#8217;s weird, gnat c++ opencv kalman I was using the OpenCV to predict the motion of a ball seen [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-376","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/376","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=376"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/376\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=376"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=376"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=376"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}