Quantum signal processing-based visual cryptography with unexpanded shares. - Surya Sarathi Das; Kaushik Das Sharma; Jayanta K. Chandra; Jitendra Nath Bera (J. Electronic Imaging, 2015)

Secure image transmission based on visual cryptography scheme and artificial neural network-particle swarm optimization-guided adaptive vector quantization. - Surya Sarathi Das; Kaushik Das Sharma; Jayanta K. Chandra; Jitendra Nath Bera (J. Electronic Imaging, 2019)