Feature Based Image Authentication using Symmetric Surround Saliency Mapping in Image Forensics

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Provided by: International Journal of Computer Applications
Topic: Security
Format: PDF
For an efficient image security, image hashing is one of the solutions for image authentication. A robust image hashing mechanism must be robust to image processing operations as well as geometric distortions. A better hashing technique must ensure an efficient detection of image forgery like insertion, deletion, replacement of objects, malicious color tampering and for locating the exact forged areas. This paper describes a novel image hash function, which is generated by using both global and local features of an image.
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