How can I increase the color of certain pixel value in an intensity image?

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Som
Som le 4 Jan 2017
Commenté : Som le 4 Jan 2017
I have an intensity image and want to color the pixels which their intensity is above 120. In fact I want to replace pixels who's value is above 120 and i want to increase the color of same image red,green,blue by 10,only for above intensity 120 . How can I do this?
  2 commentaires
Walter Roberson
Walter Roberson le 4 Jan 2017
How can an RGB image be an intensity image?
Som
Som le 4 Jan 2017
gray image it is

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Walter Roberson
Walter Roberson le 4 Jan 2017
mask = YourImage > 120;
newImage = YourImage;
newImage(mask) = newImage(mask) + 10;
  2 commentaires
Som
Som le 4 Jan 2017
if i want to increase blue by 10 and decrease red by 10,increase green by 20.how can i do?
Som
Som le 4 Jan 2017
Thanks a lot sir.it's working

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