Zhang, Zhiyuan, and Yao Zhao. “Enhanced Fractal Image Coding (FIC) With Collage and Reconstruction Residuals”. COMPUTING AND INFORMATICS 26, no. 2 (January 27, 2012): 199–218. Accessed February 1, 2023. https://www.cai.sk/ojs/index.php/cai/article/view/307.