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weighted median filter.pdf

Version 1.0.0 by MANISH KUMAR SHARMA

Weighted Median Filter

This is the Weighted Median Filter, I am thankful to Sajid Khan for correction in the previous version of code..

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  • 5 Aug 2014

EMF1(elastic median filter 1) and EMF2(elastic median filter 2); Salt and Pepper noise removal)

Version 1.0.0 by ugur erkan

elastic median filter 1 and elastic median filter 2(EMF1 and EMF2)

of salt-and-pepper noise. The results are compared with other well-known noise remover methods in the literature such as, standard median filter (SMF) and adaptive median filter (AMF), and much better

  • 261 (All time)
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  • 14 Nov 2016

Circle Median Filter

Version 1.0.0 by Martin Storath

Fast median filter for circle-valued signals and images, e.g. phase data or orientation data

This toolbox contains fast algorithms for median filtering of signals and images with values on the unit circle, for example phase or orientation data.

- Separable median filter for circle valued data based on
- A simple implementation of the Weiszfeld algorithm
- Computes the normalized L_1 median filter for circle valued data.
- Computes a set of bisecting medians of y
See all
  • 394 (All time)
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  • 11 May 2026

median filter

Version 1.0.0 by MANISH KUMAR SHARMA

median filter

Median Filter: Which is also called Non- linear filter or order-static filter because there response is based on the ordering or ranking of the pixels contained within the mask?The steps to perform

- MANISH KUMAR SHARMA,cdac-noida,2010
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  • 13 Nov 2010

Hybrid median filtering

Version 1.1.0 by Damien Garcia

HMF performs hybrid median filtering of a 2-D array or an RGB image

B = HMF(A,N) performs hybrid median filtering of the matrix A using a NxN box. Hybrid median filtering preserves edges better than a NxN square kernel-based median filter because data from different

- HMF Hybrid median filtering.
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  • 25 Feb 2010

Discrete implementation for a mean and Median Filters

Version 1.0.0 by Mahmoud Elmokadem

The project aims to explain how the mean and median filters work and design discrete implementation of the mean and median filters on MATLA

Design-in-Matlab-a-discrete-implementation-for-a-mean-smoothing--and-respectively-median-filterThe project aims to explain how the mean and median filters work and design discrete implementation of

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  • 9 Jul 2022

Median filtering of webcam image

Version 1.0.2 by Andrey Kiselnikov

A simple example of how to capture image from webcam and apply to it median filers with different window sizes.

* Require webcam support package https://www.mathworks.com/matlabcentral/fileexchange/45182-matlab-support-package-for-usb-webcamsThis script capturing a webcam image and applies to its median

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  • 31 Jan 2019

MATLAB/Simulink for Digital Signal Processing

Many MATLAB codes for Digital Signal Processing

, FREQUENCY RESPONSE, AND COHERENCE893.4 COMPUTATION OF CORRELATION USING DFT 94Chapter 4: Digital Filter Structure994.1 INTRODUCTION994.2 DIRECT STRUCTURE 1014.3 LATTICE STRUCTURE 1044.4 LINEAR-PHASE FIR

- test_median_filter.m
- CIC_filter.m
- test_filtering.m
- Recursive Frequency Sampling (FRS) filtering
- test_Wiener_filter.m
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  • 31 Jul 2012

WEIGHTED_MEDIAN_FILT(IMAGE)

Version 1.0.0 by Selva Karna

SHEL WEIGHTED MEDIAN FILTER

SHEL WEIGHTED MEDIAN FILTER

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  • 22 Apr 2016

Progressive Switching Median Filter

Version 1.0.0 by Kannan Keizer

Implementation of Progressive Switching Median Filter

Implementation of Progressive Switching Median Filter

- Implementation of Progressive Switching Median Filter
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  • 3.0 / 5
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  • 17 Oct 2008

BasicImageProcessing_MATLABGUIapplication

MATLAB GUI implements several basic image processing and segmentation functions without using MATLAB high-level image processing function

(magnitude).c. Median filtering (3 by 3).d. Gray scale transformation algorithm based on parameters specified by the user. The application displays an image histogram to help the user select the input and output

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  • 4 Mar 2023

Median filter

Version 1.0.0 by jjvraja

signal to noise ratio is calculated

median filter is designed and the value of signal to noise ratio is calculated

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  • 1 (Last 30 days)
  • 4.3 / 5
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  • 21 Sep 2011

Adaptive Median filter using embedded MATLAB blocks

Version 1.0.0 by Kiran Kintali

This demo shows how to implement an adaptive median filter in hardware;

The adaptive median filter is discussed in recent designline article about embedded MATLAB block Also attached is a power point presentation that explains the concept of serialization which is an

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  • 1 Sep 2016

Toolbox image

A toolbox that contains image processing functions

.* anisotropic and spacially variant filters.* non-linear filtering (median, LIC, bilateral).* High Dynamic Range image loading and equalization.* total variation image processing (denoising and decomposition

- perform_median_filtering - perform moving average median
- compute_gabor_filter - builds a 2D gabor filter.
- Bilateral Filtering(img,winsize,sigma)
- test for adaptive filtering
See all
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  • 15 (Last 30 days)
  • 4.3 / 5
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  • 27 Jun 2009

gptoolbox

Useful functions for geometry processing, constrainted optimization and image processing.

- simpler wrapper for calling medfilt2 on each channel
- Apply a VHS filter to an image
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  • 15 (Last 30 days)
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  • 22 Jul 2024

FPGA Implementation of 5x5 Median filter using HDL coder

Version 1.1.0 by SUMEET

5x5 Median Filter has been implemented on gray scale image using HDL coder

In this submission 5x5 Median filter has been implemented using HDL coder.

- This function gets the input from the Median_1d function and finds out the median value from the input
  • 668 (All time)
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  • 4.0 / 5
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  • 26 Feb 2014

Denoising using Median Filtering

Version 1.0.0 by Cavin Dsouza

Eliminates salt and pepper noise from an image except at the boundary pixels.

A median filter is used which is a square matrix of odd order.It eliminates salt and pepper noise from the image resulting in a smooth output.The noise appears at the boundary pixel values only.The

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  • 19 Feb 2013

Toolbox Non-Local Means

A toolbox for the non-local means algorithm

- perform_median_filtering - perform moving average median
- MEDFILT2 Perform 2-D median filtering.
- test for inpainting using NL filtering
- ORDFILT2 Perform 2-D order-statistic filtering.
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  • 27 Jun 2009

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  • 23 Oct 2020

Performance Analysis of Weighted Median Filters in Prediction of Images

Version 1.0.0 by Pranam Janney

Analysis on Weighted Median Filters in Prediction of Images

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  • 3.8 / 5
  • Community
  • 20 Sep 2004

A Numerical Tour of Signal Processing

A set of Matlab experiments that illustrates advanced computational signal and image processing.

- MAD Mean/median absolute deviation.
- peform_wiener_filtering - perform Wiener filtering
- compute_wavelet_filter - Generate Orthonormal QMF Filter for Wavelet Transform
See all
  • 29.3K (All time)
  • 2 (Last 30 days)
  • 4.4 / 5
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  • 19 Jul 2009

Median Filtering

Version 1.0.0 by Vallabha Hampiholi

Median Filter, Removing noise with Laplacian distribution, Laplace Filter

The median filter is a nonlinear digital filtering technique, often used to remove noise with Laplacian distrinution. The main idea of the median filter is to run through the signal entry by entry

- The median filter is a nonlinear digital filtering technique, often used to
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  • 2 Apr 2012

median filter(img)

Version 1.0.0 by Pratim Mishra

Median Filter

Function for median filter

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  • 15 Mar 2015

Median filter

Version 1.0.0 by pel sophanna

this program is about median filter and it coded by myself

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  • 15 May 2013

Switching Median Filter

Version 1.0.0 by ferzan katircioglu

Noise Adaptive and Similarity Based Switching Median Filter for Salt & Pepper Noise

One of the cited works is the Noisy Adaptive Fuzzy Switching Median Filter (NAFSM) by which the noisy pixels are detected through utilization of image histogram. Noiseless pixels are left unprocessed

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  • 4 Jun 2022

untrimmed median filter

Version 1.0.0 by jjvraja

Untrimmed decision based median filter for high density impulse noise

Untrimmed decision based median filter for high density impulse noise

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  • 4 Jan 2012

Adaptive Switching Median Filter

Version 1.0.0 by Justin Varghese

Implementation of Adaptive Switching Median Filter

Implementation of Adaptive Switching Median FilterNallaperumal, Krishnan, Justin Varghese, S. Saudia, K. Arulmozhi, K. Velu, and S. Annam. "Salt & pepper impulse noise removal using adaptive

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  • 4 Feb 2020

Noise adaptive fuzzy switching median filter for salt-and-pepper noise reduction

Version 1.0.0 by xu jinsheng

a NAFSM filter for effective removal of salt-and-pepper noise is presented.

Abstract—This letter presents a novel two-stage noise adaptivefuzzy switching median (NAFSM) filter for salt-and-pepper noisedetection and removal. Initially, the detection stage will utilizethe

- Noise adaptive fuzzy switching median filter for salt-and-pepper noise
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  • 8 Apr 2013

ImageM

Interactive GUI for Image Processing, Analysis and Vizualisation, similar to ImageJ

ImageM integrates into a GUI several algorithms for interactive image processing and analysis. It allows to load images, apply filtering and/or segmentation, and run basic analyses. Interface is

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  • 9 Apr 2021

Homer3

Toolbox for analysis and visualization of fNIRS data

- -- Generate Orthonormal QMF Filter for Wavelet Transform
  • 2.1K (All time)
  • 28 (Last 30 days)
  • 5.0 / 5
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  • 9 May 2024

Adaptive median filter using Embedded MATLAB

Version 1.0.0 by Kiran Kintali

This demo shows how to implement an adapative median filter in hardware

The attached model implements an adaptive median filter using embedded MATLAB. There are lots of software implementations of median filter available on MATLAB central. However this implementation

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  • 1 Sep 2016

median filter in all types of noises

Version 1.0.0 by astha jain

this code shows the implementation of median filter in all types of noise.

this code shows the implementation of median filter in all types of noise.

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  • 19 Jun 2018

Adaptive Median Filter (MATLAB Code)

Version 1.0.0 by Kiran Kintali

Converting MATLAB Algorithms into Serialized Designs for HDL Code Generation

characteristics like streaming and resource sharing. This submission usesa typical software implementation of an adaptive median filter to illustratethe process of converting MATLAB algorithms for HDL code

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  • 1 Sep 2016

Dense disparity map with kmeans and median filter

Version 1.0.0 by Victor Gonzalez

median filter and k-means clustering for dense disparity map estimation

median filter and k-means for dense disparity map estimation MATLAB functions to fill a sparse disparity map, in consequence, creating a dense disparity map. DEMO.m contains three examples with

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  • 25 May 2020

lpc frame

This exercise shows how the method of linear predictive coding (LPC) models a speech frame.

- median filtering of sequence x1, of length N samples, with medians of
- % function to utilize a pre-designed highpass filter to eliminate DC
- % design bandpass filter from user specifications
- % design highpass filter from user specifications
- % function to convert from prediction error filter to line spectral pair
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  • 2 Jun 2015

Autocorrelation_Pitch_Detector

Estimate the pitch period of a speech file using a short-time autocorrelation analysis methods.

- median filtering of sequence x1, of length N samples, with medians of
- % design highpass filter from user specifications
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  • 11 Sep 2015

VUS-Voiced/Unvoiced/Silence_Training

This exercise utilizes four programs to train a Bayesian classifier and classify frames of signals.

- median filtering of sequence x1, of length N samples, with medians of
- % function to utilize a pre-designed highpass filter to eliminate DC
- % design bandpass filter from user specifications
- % design highpass filter from user specifications
- % function to convert from prediction error filter to line spectral pair
  • 1.2K (All time)
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  • 5.0 / 5
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  • 14 Jul 2015

LPC_Vocoder

Implementation of LPC Vocoder

- median filtering of sequence x1, of length N samples, with medians of
- high pass filter recorded speeech to eliminate dc and hum
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  • 11 Sep 2015

p Tube Vocal Tract

This exercise computes the frequency response of a p-tube model of a human vocal tract.

- median filtering of sequence x1, of length N samples, with medians of
- % function to utilize a pre-designed highpass filter to eliminate DC
- % design bandpass filter from user specifications
- % design highpass filter from user specifications
- % function to convert from prediction error filter to line spectral pair
  • 978 (All time)
  • 1 (Last 30 days)
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  • 23 Jun 2015

DAMF for Salt and Pepper noise removal

Version 1.0.0 by ugur erkan

The code of paper "Different applied median filter in salt and pepper noise"

proposed a new method, Different Applied Median Filter (DAMF), to remove salt and pepper (SAP) noise at all densities. We then explained some basic notions of it. Afterwards, we compared the results of DAMF

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  • 26 Feb 2020

MDBUTMF

Version 1.1.0 by Suraj Kamya

Modified decision based unsymmetric trimmed median filter

% Modified decision based unsymmetric trimmed median filter for gray image % im = input image% K = length to compute window win=(2*l)+1% n = Noise density of Salt & Pepper Noise% out

- Trimmmed median filter for Salt & pepper Noise
- Modified decision based unsymmetric trimmed median filter for gray image
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  • 8 Nov 2014

An implementation of a weighted median filter using a bilateral weight

Version 3.0.0 by Francisco Calderon

This filter used the bilateral weight to filter an image using a weighted median window.

This filter used the bilateral weight to filter an image using a weighted median window.

- Implements bilateral and weighted median filtering for grayscale images.
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  • 14 Oct 2015

geoscience-community-codes/GISMO

GISMO - a framework for scientific research in seismology/infrasound

regularly sampled data stream * Mathematical functions make manipulating easier: +, -, /, .*, .^ * Standard waveform manipulations: filter, crop, subset, subset, stack, normalize, automatic gain

- : Wrapper function for applying 1-D Median Filter (Signal
- middlemost value of waveform's sorted data.
- Simple butterworth filtering for Traces
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  • 28 (Last 30 days)
  • 5.0 / 5
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  • 13 Apr 2023

New Impulse Detector for Switching Median Filters

Version 2.0.0 by Sudhakar R

This is a Matlab code for A new Switching median filters a paper available in IEEE Signal processing letters Vol.9,No.2 Nov 2002 by Shuqun

This is a Matlab code for A new Switching median filters a paper available in IEEE Signal processing letters Vol.9,No.2 Nov 2002 by Shuqun Zhang, Member, IEEE, and Mohammad A. Karim, Senior Member

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  • 20 Dec 2021

Relaxed Median

Version 1.0.0 by Jeny Rajan

Relaxed median filter for noisy images.

Better filter for impulse noise than normal median filter.Ref:Abdessamad Ben Hamza, Pedro L Luque-Escamilla, Jose Martinez Aroza and Ramon Roman Roldan, Removing Noise and Preserving Details with

- Relaxed memdian filter
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  • 22 Apr 2016

AFMF for Salt and Pepper noise removal

Version 1.0.0 by ugur erkan

The code of paper "Adaptive frequency median filter for the salt and pepper denoising problem".

Adaptive frequency median filter for the salt and pepper denoising problemCitation:Erkan, U., Enginoğlu, S., Thanh, D.N.H., Hieu, L.M., 2020. Adaptive Frequency Median Filter for the Salt-and-Pepper

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  • 10 Jun 2020

The Waveform Suite for MATLAB

The Waveform Suite is now developed as part of the geoscience community codes, linked below.

- Median filter for RSAM objects
- middlemost value of waveform's sorted data.
- Simple butterworth filtering for Traces
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  • 4.0 / 5
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  • 13 Apr 2023

weighted median filter

Version 1.0.0 by MANISH KUMAR SHARMA

weighted median filter

Weighted Median Filter:It is same as median filter, only difference is the mask is not empty. It will having some weight (or values) and averaged.The steps to perform weighted median filtering are as

- MANISH KUMAR SHARMA, cdac-noida, 2010
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  • 13 Nov 2010

FPGA Implementation of the Gray Scake based Median Filter using HDL Coder

Version 1.1.0 by SUMEET

Here i have implemented median filter which gives better result compared to the existing Matlab mode

Here the median filter has been implemented with the help of hdlcoder.The implementation provides better result compared to the already implemented median filte provided in the matlab Hdl coder

- This function gets the input from the Median_1d function and finds out the median value from the input
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  • 26 Feb 2014

MINMAX: Generalized median-style filter

Version 1.1.0 by François Beauducel

Generalization of MIN, MAX, MEDIAN and extreme values filtering.

A little function that I imagined many years ago: a "median-style" generalized filter. Let's sorting all values of a vector X in ascending order then consider the normalized rank position N of

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  • 18 Mar 2013

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  • 13 Jul 2009

OpenFluo

OpenFluo allows the analysis of data obtained using optophysiological techniques

temporal filters, as well as correction for bleaching can be applied. The outputs consist in fluorescence time curves, activity maps and false-color neural activity movies. For launching OpenFluo, run

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  • 14 Jul 2009

Image_classification

This program can classify images of fasteners by comparing their form parameters.

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  • 29 Apr 2023

LPC Vocoder

Builds an LPC vocoder, i.e., performs LPC analysis and synthesis on a speech file

- median filtering of sequence x1, of length N samples, with medians of
- high pass filter recorded speeech to eliminate dc and hum
  • 3.4K (All time)
  • 2 (Last 30 days)
  • 4.5 / 5
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  • 3 Jun 2015

ImageClass

An Image class for that encapsulates a multidimensional data array together with meta-data and facilitate image processing and visualization

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  • 31 Mar 2021

nanmedfilt2

Version 1.0.0 by Roman Voronov

This MATLAB function performs median filtering of the matrix A in two dimensions while ignoring NaNs

This MATLAB function performs median filtering of the matrix A in two dimensionswhile *ignoring* NaNs (based on discussions herehttp://www.mathworks.com/matlabcentral/newsreader/view_thread/251787)

- This MATLAB function performs median filtering of the matrix A in two dimensions
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  • 23 Apr 2013

Modified Version of Median with Kuwahara Window of opearation

Version 1.0.0 by SARATH JV

Modified version of perdefined Median filter .

It is a modified filter for salt and filter noise filtering procedure, Basic Median filter which is based on the algorithm of order static filter of 2d is used here as basic filtering unit with a

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  • 28 Jan 2018

PeriodicMeanSubtractionForHumNoise

This subtraction filter analyses the shape of the power line interference ("Hum noise") and subtracts it from the time series. Method: movin

%% Syntax: % Filtered,Filter] = periodicMedianFilter(RawData, HumPeriod) % Filtered,Filter] = periodicMedianFilter(RawData, HumPeriod, Window) % Filtered,Filter] = periodicMedianFilter

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  • 1 Nov 2019

A New Impulse Detector for Switching Median Filters(5 X 5 W)

Version 2.0.0 by Sudhakar R

Matlab code for the paper appeared in IEEE SIGNAL PROCESSING LETTERS, VOL. 9, NO. 11, NOVEMBER 2002

A Matlab code for "A New Impulse Detector for Switching Median Filters" by Shuqun Zhang, Member, IEEE, and Mohammad A. Karim, Senior Member, IEEE ,IEEE SIGNAL PROCESSING LETTERS, VOL. 9, NO. 11

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  • 20 Dec 2021

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