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Abstract: Image encryption techniques can be used to ensure the security and privacy of valuable images. The related works in this field have focused more on raster images than on compressed images.

Abstract: This paper proposes a reversible data hiding method that preserves the image file size before and after embedding. The target bits for embedding the payload are first extracted from the JPEG ...

SAPP stands for Simple and Agnostic PDF Parser and it makes what is name says: parsing PDF files. It also enables other cool features such as rebuilding documents (to make the content more clear or ...