Devender Kumar Dhaked, Yogender Kumar Sharma, Suman Bhakar. “Highly Secured Digital Image Watermarking Using LSB and DCT Combined Approach”. Design Engineering (June 17, 2021): 1347 - 1356. Accessed May 6, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/2120.