Srivastava, Vikas, and Sanjay Kumar Yadav. “ Frequency Based Digital Image Forgery Detection Through Optimal Threshold Using SOELTP”. EAI Endorsed Transactions on Scalable Information Systems, vol. 9, no. 4, Dec. 2021, p. e1, https://doi.org/10.4108/eai.2-12-2021.172360.