Johnnyiiiii's profile - activity

2014-11-04 09:09:41 -0600	commented question	0 building opencv extra modules xfeature2d error Finally got it! Thank you soooooo much!!
2014-11-04 07:32:03 -0600	commented question	0 building opencv extra modules xfeature2d error the opencv_contrib is new, but the opencv was downloaded a month ago, let me try again.
2014-10-29 23:05:17 -0600	asked a question	0 building opencv extra modules xfeature2d error hello everyone! I met a problem while building the extra modules. it shows like below. allocating an object of abstract class type 'cv::xfeatures2d::BriefDescriptorExtractorImpl' return Ptr<t>(new T(a1)); `in instantiation of function template specialization 'cv::makePtr<cv::xfeatures2d::BriefDescriptorExtractorImpl, int>' requested here return makePtr<BriefDescriptorExtractorImpl>(bytes); unimplemented pure virtual method 'computeImpl' in 'BriefDescriptorExtractorImpl' virtual void computeImpl( InputArray image, std::vector<KeyPoint>& k...` make[2]: * [modules/xfeatures2d/CMakeFiles/opencv_xfeatures2d.dir/src/brief.cpp.o] Error 1 make[1]: * [modules/xfeatures2d/CMakeFiles/opencv_xfeatures2d.dir/all] Error 2 Anyone would help me solve this, thanks!