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OpenCV默认情况下是BGR24的方式将数据丢到Mat中,
In header file videoio.hpp:
- // Generic camera output modes.
- // Currently, these are supported through the libv4l interface only.
- enum { CAP_MODE_BGR = 0, // BGR24 (default)
- CAP_MODE_RGB = 1, // RGB24
- CAP_MODE_GRAY = 2, // Y8
- CAP_MODE_YUYV = 3 // YUYV
- };
可直接设置模式:
- cv::VideoCapture camera = cv::VideoCapture();
- camera.open(0);
- camera.set(CV_CAP_PROP_MODE, CV_CAP_MODE_YUYV);
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