meet an error when combine the program and running for a while

MasteringOpenCV / code

Code for the book "Mastering OpenCV with Practical Computer Vision Projects" by Packt Publishing 2012.

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meet an error when combine the program and running for a while #96

Open qiongqiong520 opened 5 years ago

qiongqiong520 commented 5 years ago

'Error: Unsupported format or combination of formats ([Start]FindContours supports only CV_8UC1 images when mode != CV_RETR_FLOODFILL otherwise supports CV_32SC1 images only) in cvStartFindContours_Impl, file D:\Project\opencv\opnecv-win\opencv4.0.0\sources\modules\imgproc\src\contours.cpp, line 195'

how to solve this problem,with your methods;