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make gray to color

3 次查看（过去 30 天）
bahar cham
bahar cham 2012-2-27
HELLO, How can i make gray pixels to color pixels among gray scale's pixels? you can see my goal in: http://i39.tinypic.com/20rwlr7.png
I have two image(both gray) and i want to see one(color) in other(gray).
Thanks in advance

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回答（2 个）

Image Analyst
Image Analyst 2012-2-27
Have you tried just assigning non-zero pixels to the other image
nonZeroPixels = image1 > 0;
image2(nonZeroPixels) = image1(nonZeroPixels);
If that's not what you want, then explain better.
Walter Roberson
Walter Roberson 2012-2-27
Put the two images in the same position, with the color image on top, and in the color image set the AlphaData to 1 where the color should be used and set it to 0 where the image underneath should be used.
Note: this will require using the OpenGL renderer.

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