Research Article
Blind Source Parameters for Performance Evaluation of Despeckling Filters
Table 1
Overview of despeckling methods and quality metrics computed by various researchers.
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WLT: wavelet; LA: local adaptive; US: ultrasound; GEO: geometric; HYB: hybrid; MED: median; HYBMED: hybrid median; WNR: Wiener; LS: local statistics; MR: multiresolution; AMED: adaptive median; FF: fuzzy filters; HFF: hybrid fuzzy filters; LLS: linear least square; FIF: Fourier ideal filter; FBF: Fourier Butterworth filter; HFIF: homomorphic FIF; LR: local region; Le-Sig: Lee-Sigma; MAP: maximum a posteriori; DsF: despeckling filter; BLT: bilateral; FoM: figure of merit; CoC: correlation coefficient; SC: structural content; LMSE: Laplacian mean square error; MD: maximum difference; Err3 and Err4: normalized error summation; NAE: normalized average error; NCC: normalized cross-correlation; OCT: optical computed tomography; SAR: synthetic aperture radar; AVG: average; RNLA: Ripplet nonlinear approximation; MBR: M-band ridgelet; BS: BlockShrink; PPB: probabilistic patch based; MAP: maximum a priori. |