An ASIC based invisible watermarking of grayscale images using pixel value search algorithm (PVSA). - S. M. Sakthivel; Adepu Ravi Sankar (Multim. Tools Appl., 2018)

Computation-efficient image watermarking architecture with improved performance. - S. M. Sakthivel; Adepu Ravi Sankar (Comput. Electr. Eng., 2020)