IMPROVED IMAGE COMPRESSION BASED WAVELET TRANSFORM AND THRESHOLD ENTROPY. Journal of Engineering, [S. l.], v. 17, n. 05, p. 1152–1158, 2011. DOI: 10.31026/j.eng.2011.05.09. Disponível em: https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/3003. Acesso em: 25 apr. 2025.