AN ENTROPY-ADAPTIVE MODIFICATION OF THE PERONA–MALIK MODEL FOR SPECKLE NOISE SUPPRESSION IN ECHOCARDIOGRAPHIC ULTRASOUND IMAGES. Uzbekistan Open Conference, [S. l.], n. 1, p. 281–287, 2026. DOI: 10.57033/. Disponível em: https://www.openconf.uz/conf/article/view/302. Acesso em: 15 jul. 2026.