Copy-Move Forgery: The Most Common Image Edit Nobody Notices
Cloning a region of the same image is the forger's favorite move — the borrowed pixels come pre-matched. How copy-move detection works, and where it shows up in documents.
Showing posts tagged “images”.
A photo carries a hidden layer of data — when, where, and with what it was taken. How EXIF corroborates a claim or contradicts it, and why missing metadata isn't a verdict.
Cloning a region of the same image is the forger's favorite move — the borrowed pixels come pre-matched. How copy-move detection works, and where it shows up in documents.
Edges, lighting, metadata, reverse search, and error level analysis: a working sequence for checking whether an image has been edited — and knowing when you need tooling.
ELA is the most famous technique in image forensics and probably the most misused. What it actually measures, what a hot spot really means, and how professionals keep it honest.
Screenshots became the default 'proof' people submit — and they're the easiest forgery there is. Why a picture of a screen should count for so little, and how fakes give themselves away.