2003
DOI: 10.1007/978-3-540-36420-7_2
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Fuzzy Filters for Noise Reduction in Images

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Cited by 32 publications
(31 citation statements)
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“…For comparison, the corrupted test images are also filtered by using several conventional and state-of-the-art IN removal operators including CWM [4], TSM [5], LUM [6], FSB [15] (fuzzy similarity filter), IFCF [16], MIFCF [16], EIFCF [16], SFCF [17], FIRE [18], PWLFIRE [19], FMF [20,21] (fuzzy median filter), AWFM [22,23], and ATMAV [24]. In order to show performance of the ANFIS with respect to the neural network [31], the NFDMF results are also compared with the neural network detector median filter (NNDMF) results.…”
Section: Simulation Resultsmentioning
confidence: 99%
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“…For comparison, the corrupted test images are also filtered by using several conventional and state-of-the-art IN removal operators including CWM [4], TSM [5], LUM [6], FSB [15] (fuzzy similarity filter), IFCF [16], MIFCF [16], EIFCF [16], SFCF [17], FIRE [18], PWLFIRE [19], FMF [20,21] (fuzzy median filter), AWFM [22,23], and ATMAV [24]. In order to show performance of the ANFIS with respect to the neural network [31], the NFDMF results are also compared with the neural network detector median filter (NNDMF) results.…”
Section: Simulation Resultsmentioning
confidence: 99%
“…In [22], adaptive weighted fuzzy mean (AWFM) filter which is capable of removing high density Gaussian impulse noise in polluted images was presented. Asymmetrical triangular fuzzy filter with moving average center (ATMAV) was presented in [24]. In a given neighborhood, the ATMAV filter takes into account the deviation of the pixel value with the mean value and replaces the noisy pixel with a fitting output based on triangular membership function.…”
Section: Introductionmentioning
confidence: 99%
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“…s(x, y) = exp − r 2 + s 2 (2K + 1) 2 (16) where R (x, y) and R (x + r, y + s) are center pixel and its neighbouring pixel respectively in a local window of size (2K + 1) × (2K + 1) and r, s ∈ [− K to K]. ı = C ˆ n is an important parameter that distinguishes noisy and edge pixels.…”
Section: Edge Regionmentioning
confidence: 99%
“…Nevertheless, calculation of parameters for image fuzzification at every iteration is the limitation of this scheme. Kwan et al [16,17] proposed symmetrical and asymmetrical triangle fuzzy filters based on median and average filters. However, the fuzzy based median or average filters tend to smoothen the fine details causing poor edge preservation.…”
Section: Introductionmentioning
confidence: 99%