Anu Jayalwal. “DIGITAL IMAGE WATERMARKING METHOD THROUGH PARTICLE SWARM OPTIMIZATION ALGORITHM USING DCT”. Journal of the Oriental Institute, ISSN:0030-5324 UGC CARE Group 1 74, no. 1 (February 7, 2025): 119–123. Accessed May 4, 2025. https://www.journaloi.com/index.php/JOI/article/view/629.