A scrambling and encryption algorithm for selective block of identification photo - Qingling Jiang; Wu Zeng; Weihua Ou; Renhong Xu (International Conference on Wireless Communications and Signal Processing, 2016)
Keywords: DCT transformation; Discrete cosine transforms; Encryption; frequency domain; Frequency-domain analysis; Histograms; human face detection; identification photo; image encryption; information security; Logistic map; multilayer block scrambling; Streaming media