Encryption using SCAN Pattern & Image Encryption then Compression
Keywords:
Statistical attack, carrier images, arithmetic coding, proposed systemAbstract
Encryption Then Compression (ETC) system that ensures security and give compression ratios similar to the state of the art Compression then Encryption (CTE) systems has been an area of research recently. The existing Encryption Then Compression system encrypts using Prediction Error Clustering and Random Permutation and compress using adaptive arithmetic coding. The existing system gives only slightly worse compression ratio than CTE system. The need of sending cluster information makes it vulnerable to attacks. Statistical attack is also possible since it uses adaptive arithmetic coding for compression. The proposed system tries to overcome the shortcomings of the existing system by using hybrid approach for image encryption using SCAN patterns and carrier images at multiple stages and use adaptive arithmetic coding for compression.
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