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Use CV_8UC1 type create a single channel image, but actually create a 3 channel image. #153

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yuzu-ogura opened this issue Oct 21, 2024 · 0 comments

yuzu-ogura commented Oct 21, 2024 •

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cv::Mat grayImage(height, width, CV_8UC1, cv::Scalar(128));
cv::imwrite("output_gray.bmp",grayImage);

Actually, image file output_gray.bmp is a 3channel image file.
Is my usage correct?

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