SDTRHGPAJNMM. Gray Image Colorization using Thepade’s Transform Error Vector Rotation With Cosine, Walsh, Haar Transforms and various Similarity Measures. IJRITCC [Internet]. 2015May31 [cited 2025Sep.13];3(5):3278-84. Available from: https://mail.ijritcc.org/index.php/ijritcc/article/view/4436