Repeated JPEG compression converges to fixed-point images in finite steps, and such images expose later edits after a single recompression.
Overview of JPEG The JPEG compression process The JPEG compression pro- cess described in [1] consists of the following steps, as illus- trated in Fig
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Tamper-evident Image using JPEG Fixed Points
Repeated JPEG compression converges to fixed-point images in finite steps, and such images expose later edits after a single recompression.