Answer: Detect if there is gray color in image by opencv Python

answer re: Detect if there is gray color in image by opencv Python

Sep 24 '20

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The better way is to change the colour space into HSV and find the Hue value range for colour.

• Take each frame of the video
• Convert from BGR to HSV color-space
• Threshold the HSV image for a range of blue colour

Below code is from OpenCV official site to detect…

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