Order of cvScalar
Order of cvScalar
IplImage*中的My Img
您是否确认以下内容的正确顺序:
- x和y:x表示图像的宽度,y表示图像的高度
-
B、 G和R:OpenCV在颜色上的顺序?
CvScalar scal = cvGet2D(img, x, y); blue_lum=scal.val[0]; green_lum=scal.val[1]; red_lum=scal.val[2];
- 3通道图像的顺序?通道1是B,通道3是R
检查此(core_c.h Ln 1264):
#define CV_RGB( r, g, b ) cvScalar( (b), (g), (r), 0 )
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- Order of cvScalar