error:Assertion failed ((unsigned)i0 < (unsigned)size.p[0]) in cv::Mat::at
問題原因:
訪問像素時指針越界造成的
解決辦法:
1、檢查指針下標是否正確
2、row和col是否寫反了
error:Assertion failed ((unsigned)i0 < (unsigned)size.p[0]) in cv::Mat::at
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