Tagged Questions
0
votes
2answers
248 views
Image overlay and processing [closed]
If I overlay an image( lets say A) with another image(B) using 50% transparency. is it possible to recover A without knowing what B is? Dose overlaying make it hard to extract the original content?
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4
votes
1answer
211 views
Understanding Hue, and is there something else I should be using?
I am trying to isolate objects of a certain color in an image. Looking at this image, you can see that I have extracted the hue channel, and have filtered these values so that the closer a pixel's hue ...
18
votes
5answers
2k views
How can I tell exactly what changed between two images?
For example, for a recent conversation about JPEG compression I wanted to compare pixel for pixel what changed between two JPEGs (one with compression level 100, and one with compression level 95).
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