Figure 2From: Performing scalable lossy compression on pixel encrypted images The proposed compression scheme is applied on Lena image. (a) Original Lena image; (b) Encrypted Lena image; (c) Decompressed Lena image with R = 0.31(PNSR = 36.0 dB); (d) Decompressed Lena image with R = 0.44 (PNSR = 39.7 dB).Back to article page