Chua's diode and strange attractor: a three-layer hardware-software co-design for medical image confidentiality. - Sundararaman Rajagopalan; Siva Poori; Mukund Narasimhan; Sivaraman Rethinam 001; Chandrasekar Vallipalayam Kuppusamy; Ramalingam Balasubramanian; Vijaya Moorthi Paramasivam Annamalai; Amirtharajan Rengarajan (IET Image Process., 2020)