A QR Code Based Zero-Watermarking Scheme for Authentication of Medical Images in Teleradiology Cloud. - Vellaisamy Seenivasagam; Ramesh Velumani (Comput. Math. Methods Medicine, 2013)

Secured Secret Sharing of QR Codes Based on Nonnegative Matrix Factorization and Regularized Super Resolution Convolutional Neural Network. - Ramesh Velumani; Hariharasitaraman Sudalaimuthu; Gaurav Choudhary; Srinivasan Bama; Maranthiran Victor Jose; Nicola Dragoni (Sensors, 2022)