2017-07-01 05:02:48 -0600 | asked a question | Hi, i am trying to extract text from image but after compiling its showing an error. ERROR IS OpenCV Error: Assertion failed (!_src.empty()) in cv::pyrDown_, file C:\build\master_winpack-bindings-win64-vc14-static\opencv\modules\imgproc\src\pyramids.cpp, line 858 |