MEAN OF MEDIAN ABSOLUTE DERIVATION TECHNIQUE FOR SPECKLE NOISE VARIANCE ESTIMATION IN COMPUTERISED TOMOGRAPHY IMAGES. Nigerian Journal of Technology, [S. l.], v. 34, n. 2, p. 368–374, 2015. DOI: 10.4314/njt.342.943. Disponível em: https://www.nijotech.com/index.php/nijotech/article/view/943.. Acesso em: 22 may. 2024.