Update video_input_psnr_ssim.markdown

This commit is contained in:
Oleh
2019-02-11 10:45:16 +02:00
committed by GitHub
parent b17c1c6721
commit c8777da2d6
@@ -77,7 +77,7 @@ by the @ref cv::VideoCapture::read or the overloaded \>\> operator:
@code{.cpp}
Mat frameReference, frameUnderTest;
captRefrnc >> frameReference;
captUndTst.open(frameUnderTest);
captUndTst.read(frameUnderTest);
@endcode
The upper read operations will leave empty the *Mat* objects if no frame could be acquired (either
cause the video stream was closed or you got to the end of the video file). We can check this with a