A joint image encryption and watermarking algorithm based on compressive sensing and chaotic map*
Xiao Di, Cai Hong-Kun, Zheng Hong-Ying†
       
For compressive ratio p = 0.37, the reconstructed Lena images with α = 50, 200, 350, 500 and their PSNRs 26.8, 26.9, 26.5, and 26.7 (dB)