RGB color space
Common color space
Color space conversion
cv2.cvtColor(image, 转换选项)
Two common color conversion
HSV and RGB
YUV and RGB
inRange method
Function parameters:
first parameter: picture is
the second argument: lower_red refers to a value lower than the lower_red image, the image value becomes 0.
The third parameter: upper_red refers to a value higher than this image upper_red The image value becomes 0
Separating the combined channel API
Channel Split:
b, g, r = cv2.split(img)Channel Merge:
src = cv2.merge([b, g, r])