OpenCV Error: Assertion failed ((npoints = prevPtsMat.checkVector(2, CV_32F, true)) >= 0) in void cv::calcOpticalFlowPyrLK
Hi everybody,
I am trying to run following code but it crushes in calcOpticalFlowPyrLK
with following error:
Code: http://pastebin.com/bWZ8CV5F
Error: http://pastebin.com/TjDqGxJt
Could you please help me?