Advance Encryption Then Compression System for grayscale and Colour Images
Keywords:
Image compression, Encryption-Then-Compression (ETC), CTE system, privacy protection, PSNRAbstract
Image encryption has to be conducted prior to image compression. Encryption-then-Compression (ETC) system have used. To design image encryption and compression algorithms such that compressing encrypted images .In CTE system also used but its reverse process to image compress and privacy protection for image. In that security of our proposed image encryption and the compression performance on the encrypted data. In existing work, firstly image encryption then compression and forwarded then decryption and decompression to get a reconstructed image. The proposed image encryption and compression system used for gray scale and colour images provide a reasonably high level of security, The compression efficiency, Perform lossless image compression which take original, unencrypted images as inputs. In contrast, most of the existing ETC solutions induce significant penalty on the compression efficiency .
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