jpg Acropalypse POC
Suppose you have two identical images except for one circle being blue and the other being red, and then you compress them with jpg.
If you redact these jpg files now and save them losslessly
In fact due to jpg compression artifact the files are different and therefore you can unredact them.
Diff between the two images :
See jpguncrop.cpp for how the images are constructed.
require opencv and build with :
cmake .
make