how to ADD TO IMAGES

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nedaa
nedaa 2012-10-19
I have two images one is the original and the other is an edge map image how can i add these two images to get an image that shows a contour around the object(iris). i really appritiate your help.
thanks inadvance.
  2 个评论
Kye Taylor
Kye Taylor 2012-10-19
What are the sizes of your two images? I guess that the original is an m-by-n-by-3, and the edge map is an m-by-n?
Matt J
Matt J 2012-10-19
What's wrong with A+B?

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回答（2 个）

Steve Eddins
Steve Eddins 2012-10-19
I suggest using imoverlay from the MATLAB Central File Exchange.
Image Analyst
Image Analyst 2012-10-19
编辑：Image Analyst 2012-10-19
Assuming your edge map is a binary image, you can do
grayImage(binaryImage) = 255;
to set all pixels in your original image that are also indicated on your edge map to white. If you have a color image, you can do it one color channel at a time. Or if your image is uint8, you can add them, relying on the uint8 class to do the clipping:
grayImage = grayImage + uint8(255 binaryImage);

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