FotoForensics- Error Level Analysis ELA and Metadata ...
With training and practice, ELA users can also learn to identify image scaling, quality, cropping, and resave transformations. When combined with other algorithms, ELA becomes a very powerful evaluation tool. Caveats While ELA is an excellent tool for detecting modifications, there are a number of caveats:
DA: 81 PA: 91 MOZ Rank: 27