T.Jayachandran, P.Divyabharathi, S.Gopal, S.Karthika, B.Srividhya Bharani. Dual watermarking for video using discrete cosine transform . IJIAREC [Internet]. 2019Jun.30 [cited 2024May3];7(2):2973-80. Available from: https://ijiarec.com/ijiarec/article/view/1134