Ruchika Singh Chandel, and Rahul Joshi. “Survey on Image Authentication Based on Reversible Watermarking and Perceptual Hashing”. International Journal of Advance Research in Engineering, Science & Technology 3, no. 5 (May 25, 2016): 664–668. Accessed September 3, 2025. https://ijarest.org/index.php/ijarest/article/view/683.