ch13 terminate called after throwing an instance of 'cv::Exception' what(): OpenCV(4.2.0) ../modules/video/src/lkpyramid.cpp:1257: error: (-215:Assertion failed) (npoints = prevPtsMat.checkVector(2, CV_32F, true)) >= 0 in function 'calc' - Githubissues

gaoxiang12 / slambook2

edition 2 of the slambook

MIT License

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ch13 terminate called after throwing an instance of 'cv::Exception' what(): OpenCV(4.2.0) ../modules/video/src/lkpyramid.cpp:1257: error: (-215:Assertion failed) (npoints = prevPtsMat.checkVector(2, CV_32F, true)) >= 0 in function 'calc' #266

Closed yab-iyff closed 1 year ago

yab-iyff commented 1 year ago

我在跑了几张图片后遇到这个问题