Implementation of TiOISSS with meaningful shadows and with an additional authentication image. - Srividhya Srividhya; R. Sathishkumar; Gnanou Florence Sudha (J. Vis. Commun. Image Represent., 2016)

Adaptive halftoned visual cryptography with improved quality and security. - Srividhya Sridhar; R. Sathishkumar; Gnanou Florence Sudha (Multim. Tools Appl., 2017)