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Changing the color of image

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Eric Tang
Eric Tang 2020-6-26
回答： Image Analyst 2020-6-26
How can I change the white portion of the attached picture to blue and the black portion to a yellow/greenish color? Basically what I want to do is changing the picture from black and white to yellow and blue gradient. Thank you in advance!

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Image Analyst
Image Analyst 2020-6-26
Use colormap()

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