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switching-based median filters

A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images

A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images

... Switching-based median filters are well ...in switching-based median ...in switching-based median filtering, namely, noise detection, estimation of ...

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A Fast Median Filter Using Decision Based
Switching Filter & DCT Compression

A Fast Median Filter Using Decision Based Switching Filter & DCT Compression

... nonlinear filters have been proposed for the restoration of images contaminated by salt and ...Decision Based Unsymmetrical Trimmed Median Filter (MDBUTMF) algorithm removes impulse noise at high ...

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COMPARISON OF NONLINEAR MEDIAN FILTERS: SMF USING BDND AND MDBUTM

COMPARISON OF NONLINEAR MEDIAN FILTERS: SMF USING BDND AND MDBUTM

... Progressive Switching Median Filter (SMF) presented in [5] applies impulse detection and noise filtering stage progressively through several ...and median of filtering window with a ...SMF ...

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An Enhanced Filtering Approach for High Density Salt and Pepper Noise to Restore Image with the Aid of Robust Estimator

An Enhanced Filtering Approach for High Density Salt and Pepper Noise to Restore Image with the Aid of Robust Estimator

... Standard Median Filter, Adaptive Median Filter [8], Noise adaptive fuzzy switching median (NAFSM) filter [9] and A New Decision Based Algorithm [10] used to evaluate the performance ...

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Impulse Noise Removal with fixed value for Adaptive Improved Median Filtering

Impulse Noise Removal with fixed value for Adaptive Improved Median Filtering

... analysis based on this peak signal to noise ratio (PSNR) of de-noised ...performing median based filters namely, Simple Median Filter, Rank Order Mean Filter (ROM), Laplace Equation ...

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ABSTRACT A direction based weighted switching median filter for restoration of images corrupted by high density

ABSTRACT A direction based weighted switching median filter for restoration of images corrupted by high density

... The Switching Median filters are selectively applied such that only noisy pixels undergo the filtering ...the median value of the uncorrupted pixels found in the windowwithout any regard to ...

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Fuzzy based Window Detection and Median filter Correction for Impulse Noise Reduction

Fuzzy based Window Detection and Median filter Correction for Impulse Noise Reduction

... In this paper, we propose a new type of filter i.e. Fuzzy window detection and median filter (FWDM).This filter is a hybrid of two filters i.e simple adaptive median filter [3] and fuzzy ...

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Improved hybrid decision based switching median filter using soft computing

Improved hybrid decision based switching median filter using soft computing

... fuzzy filters for noise reduction have been developed, ...control based filter from. Fuzzy filters eliminate impulse noise ...and median filters have been used in various applications ...

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Absolute Difference Based Progressive Switching Median Filter for Efficient Impulse Noise Removal

Absolute Difference Based Progressive Switching Median Filter for Efficient Impulse Noise Removal

... filter. Based upon the specified operation the pixels are ...Difference Based Progressive Switching Median Filter (ADBPSMF) outperforms all other filter for the removal of impulse noise from ...

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Fuzzy Logic based Switching Median Filter for Mixed Noise in Digital Image

Fuzzy Logic based Switching Median Filter for Mixed Noise in Digital Image

... Presently median filters have been introduced to filter out noise in digital images but they work better on impulse noise, there performance is not that much good on mixed ...logic based ...

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ORSMF: Optimistic Replacement Based Switching Median Filter for Highly Corrupted Images

ORSMF: Optimistic Replacement Based Switching Median Filter for Highly Corrupted Images

... Digital images processing area deals with digital images which mean computer images. A digital image is 2-D array of real numbers. 2-D images are divided into N-rows and M-columns, interaction of these rows and columns ...

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Efficient Image Denoising Algorithm for Gaussian and Impulse Noises

Efficient Image Denoising Algorithm for Gaussian and Impulse Noises

... decision based median filtering and fuzzy rule based filtering which has been explained by Rafael et al[7] for the various noise ...non-linear filters have been proposed to remove the salt and ...

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Retrieval of random valued impulse noise with advanced weighted mean filter by using modified denoising algorithm for image processing application

Retrieval of random valued impulse noise with advanced weighted mean filter by using modified denoising algorithm for image processing application

... the median in AMF to replace the noisy candidate especially for high levels of ...output median includes the effect of ...weighted median values on average. Switching non-local means filter ...

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Impulse Noise Detection and Filtering in Switching Median Filters

Impulse Noise Detection and Filtering in Switching Median Filters

... the median of its surrounding pixels. The algorithm proposed in [9] is based on alpha trimmed mean for the detection of impulse ...is based on BDND detector and the second iteration utilises ...

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LCL-filter design for robust active damping in grid-connected converters

LCL-filter design for robust active damping in grid-connected converters

... results based on selecting the ratios between the switching and resonance frequency, the grid and converter inductance, and the filter capacitance and total ...the switching and resonance frequency ...

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Subspace-based technique for speckle noise reduction in ultrasound images

Subspace-based technique for speckle noise reduction in ultrasound images

... [19,20]. Based on the fact that speckle is a stochastic process where outliers inevitably occurs, the proposed SBF achieves noise reduction by iteratively removes the ...

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Performance Analysis of Average and Median Filters for De noising Of Digital Images

Performance Analysis of Average and Median Filters for De noising Of Digital Images

... A Median filter is a non-linear filter and is efficient to remove impulse ...noise.The Median Filter is performed by taking the magnitude of all of the vectors within a mask and sorting the ...the ...

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Robust design of LCL-filters for active damping in grid converters

Robust design of LCL-filters for active damping in grid converters

... Abstract—Grid connected converters employ LCL-filters, in- stead of simple inductors, because they allow lower inductances while reducing cost and size. Active damping, without dissipative elements, is preferred ...

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Performance Comparison of Various Filters for Removing Gaussian and Poisson Noises

Performance Comparison of Various Filters for Removing Gaussian and Poisson Noises

... The median filter is non-linear ...A median filter is more effective than convolution when the goal is to simultaneously reduce noise and preserve ...the median of the intensity level in the ...

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A Modified Switching Median Filter for Reduction of Impulse Noise

A Modified Switching Median Filter for Reduction of Impulse Noise

... modified switching median filtering technique using fuzzy logic in image ...other filters such as median, center weighted median and traditional switching median ...

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