Thanks again to everyone. And particular thanks to Gianluigi for his solution (exactly what I was after!) and to vuott for posting it here.
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- Friday 16th March 2018 3:21am
- Forum: General
- Topic: Individual color values of a pixel?
- Replies: 8
- Views: 1134
Hi folks: How do I extract the integer values for each color of an image pixel? If I have an image called "test_image", and can read each pixel as "test_image[x,y]", how can I extract the integer value for each of the red, green and blue channels for that pixel? (The documentation is a bit vague on ...
Hi all, and thank you for the welcome. I really appreciate everyone's help, and special thanks to steve - that looks like the sort of solution I've been chasing. Unfortunately I'm at work at the moment, so I won't be able to test out your code example until I go home. I'll let you know how it turns ...
Hi folks. I'm trying to write a piece of code to perform some image manipulation - specifically, to mathematically subtract one image from another, and display the result. (The program aims to show changes in ground movement over time using aerial or satellite images.) I'm not having much luck in fi...