Blind forensics of JPEG image tampering as a kind of digital image blind forensics\ntechnology is gradually becoming a new research hotspot in the field\nof image security. Firstly, the main achievements of domestic and foreign\nscholars in the blind forensic technology of JPEG image tampering were\nbriefly described. Then, according to the different methods of tampering and\ndetection, the current detection was divided into two types: double JPEG\ncompression detection and block effect inconsistency detection. This paper\nsummarized the existing methods of JPEG image blind forensics detection,\nand analyzed the two methods. Finally, the existing problems and future research\ntrends were analyzed and prospected to provide further theoretical\nsupport for the research of JPEG image blind forensics technology.
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