Yuyu Chen1, Bangxu Yin2, Hongjie He2, Shu Yan2, Fan Chen2,*, Hengming Tai3
CMC-Computers, Materials & Continua, Vol.56, No.2, pp. 299-312, 2018, DOI:10.3970/cmc.2018.03179
Abstract To improve the security and quality of decrypted images, this work proposes a reversible data hiding in encrypted image based on iterative recovery. The encrypted image is firstly generated by the pixel classification scrambling and bit-wise exclusive-OR (XOR), which improves the security of encrypted images. And then, a pixel-type-mark generation method based on block-compression is designed to reduce the extra burden of key management and transfer. At last, an iterative recovery strategy is proposed to optimize the marked decrypted image, which allows the original image to be obtained only using the encryption key. The proposed More >
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