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How to add colored overlay onto image

image description(/upfiles/1513872180368618.jpg)

I have a grayscale image (Dimage descriptionICOM) of a lung CT scan slice. After carrying some image processing steps I have ended up with some interested areas on original image. Those interested areas is in white on the binary image. I want to show red colored overlay of these interested areas onto th original image. Can you please help me,

How to add colored overlay onto image

image description(/upfiles/1513872180368618.jpg)(/upfiles/1513872180368618.jpg) image description

I have a grayscale gray-scale image (Dimage descriptionICOM) of a lung CT scan slice. slice (first image). After carrying some image processing steps I have ended up with some interested areas on original image. image as a binary image (second image). Those interested areas is are in white on the binary image. I want to show red colored (semi-transparent) overlay of these interested areas onto th on the top of the original image. image.I tried using alpha blending and imshow(). But didn't work. Can you please help me,

How to add colored overlay onto image

image description(/upfiles/1513872180368618.jpg) image description first image image description second image

I have a gray-scale image of a lung CT scan slice (first image). After carrying some image processing steps I have ended up with some interested areas on original image as a binary image (second image). Those interested areas are in white on the binary image. I want to show red colored (semi-transparent) overlay of these interested areas on the top of the original image.I tried using alpha blending and imshow(). But didn't work. Can you please help me,