{"action":"opened","issue":{"url":"https://api.github.com/repos/mshabunin/test/issues/156","labels_url":"https://api.github.com/repos/mshabunin/test/issues/156/labels{/name}","comments_url":"https://api.github.com/repos/mshabunin/test/issues/156/comments","events_url":"https://api.github.com/repos/mshabunin/test/issues/156/events","html_url":"https://github.com/mshabunin/test/issues/156","id":91228650,"number":156,"title":"DescriptorExtractor.create method fails with 'Specified descriptor extractor type is not supported'","user":{"login":"mshabunin","id":3304494,"avatar_url":"https://avatars.githubusercontent.com/u/3304494?v=3","gravatar_id":"","url":"https://api.github.com/users/mshabunin","html_url":"https://github.com/mshabunin","followers_url":"https://api.github.com/users/mshabunin/followers","following_url":"https://api.github.com/users/mshabunin/following{/other_user}","gists_url":"https://api.github.com/users/mshabunin/gists{/gist_id}","starred_url":"https://api.github.com/users/mshabunin/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mshabunin/subscriptions","organizations_url":"https://api.github.com/users/mshabunin/orgs","repos_url":"https://api.github.com/users/mshabunin/repos","events_url":"https://api.github.com/users/mshabunin/events{/privacy}","received_events_url":"https://api.github.com/users/mshabunin/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/mshabunin/test/labels/Affected-branch%20'master'%20(3.0-dev)","name":"Affected-branch 'master' (3.0-dev)","color":"ededed"},{"url":"https://api.github.com/repos/mshabunin/test/labels/auto-transferred","name":"auto-transferred","color":"ededed"},{"url":"https://api.github.com/repos/mshabunin/test/labels/Category-java%20bindings","name":"Category-java bindings","color":"ededed"},{"url":"https://api.github.com/repos/mshabunin/test/labels/Priority-Blocker","name":"Priority-Blocker","color":"ededed"},{"url":"https://api.github.com/repos/mshabunin/test/labels/Status-New","name":"Status-New","color":"ededed"},{"url":"https://api.github.com/repos/mshabunin/test/labels/Target-3.0","name":"Target-3.0","color":"ededed"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-06-26T11:27:50Z","updated_at":"2015-06-26T11:27:50Z","closed_at":null,"body":"Converted from http://code.opencv.org/issues/4419\r\n```\n|| by Mark Grubb on 2015-06-17 04:59:00\n|| Status: New\n|| Priority: Blocker\n|| Affected: branch 'master' (3.0-dev)\n|| Target: 3.0\n|| Category: java bindings\n\nDescriptorExtractor.create method fails with 'Specified descriptor extractor type is not supported'\n===========\nprivate static final DescriptorExtractor descriptorExtractor =\nDescriptorExtractor.create(DescriptorExtractor.BRIEF);\n\nCaused by: CvException [org.opencv.core.CvException: cv::Exception:\nc:\\builds\\master_packslaveaddon-win64-vc12-static\\opencv\\modules\\features2d\\misc\\java\\src\\cpp\\features2d_manual.hpp:374:\nerror: (-5) Specified descriptor extractor type is not supported. in\nfunction cv::javaDescriptorExtractor::create  \n]\n\n\nHistory\n=======\n|| by Philipp Hasper on 2015-06-22 10:21:00\nBRIEF has been moved to the contrib repository\n(https://github.com/Itseez/opencv_contrib) Are you using the pre-built\nOpenCV or did you build it yourself? In the latter case, you should\ninclude the build of contrib as explained in the link\n\n\n|| by be rak on 2015-06-22 12:27:00\nunfortunately, it won't work even with the contrib repo on board.\n\nnone of the xfeature2d classes are available in java atm.\n\nif you take a close look at features2d_manual.hpp, you can see, that it\nwas even tried to pull them in, but then discarded.\n\ni made a quick attempt with conditional blocks like #ifdef\nHAVE_OPENCV_XFEATURES2D, but that did not work either - the\nopencv2/xfeatures2d.hpp header is not available, when compiling this.\n\nimho, the whole features2d_manual.hpp factory approach should be removed\nin favour of ORB.create() , SIFT.create(), etc.\n```"}}