How can I extract the most "emphasized" (brightest?) parts of an image?

asked 2016-10-14 09:32:43 -0500

Hi! I'm trying to extract the most different/emphasized/brightest parts of an image. An example is in the next image, I would like to obtain a ROI of the red and blue auras on it. However, these auras can take random colors (white, yellow, green, orange...). How could I do it? Could you guide me a bit? Thanks!

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They are not the "brightest", but they are the most saturated. Try the HSV color space.

Der Luftmensch gravatar imageDer Luftmensch ( 2016-10-14 14:54:52 -0500 )edit