ATTACK LOCATION

How to locate an attacked region in an image?

[Jan]

What is an attacked region?

Answer 1

[Image Analyst]

If you have the original, you can subtract the two and look for differences. Otherwise try a web search for "photo tampering" or "steganography" depending on what you're looking for.

http://www.fourandsix.com/photo-tampering-history/ http://www.scientificamerican.com/slideshow.cfm?id=photo-tampering-throughout-history