Performance comparison of DCT and Walsh transform for steganography. - H. B. Kekre; Archana A. Athawale; Pallavi N. Halarnkar; V. K. Banura (ICWET, 2010)

Image Scrambling using Kekre's Walsh Sequency and Non Sinusoidal Transforms in Different Color Spaces. - Tanuja K. Sarode; Pallavi N. Halarnkar (WCI, 2015)