Why I cannot control intensity of color's components in imshow?

I'm no expert, but I think it's because you're passing doubles to imshow You could try.

I'm no expert, but I think it's because you're passing doubles to imshow. You could try imshow(uint8(cat(3, red, green, blue))).

Thanks! It helps! – Roman Mar 18 at 14:29 2 To complement this answer: when images are stored in uint, the color range is 0 (no color) to 255 (full color).

In doubles the range is 0 (no color) to 1 (full color). So if you want to keep your image in doubles: just divide everything by 255. Imshow(cat(3, red, green, blue)/255) – Egon Mar 18 at 15:31.

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