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Filters
A survey on impulse noise removal techniques in image processing
2018
International Journal of Advanced Technology and Engineering Exploration
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Over the past decades, several approaches have been proposed for removing the impulse noise from the images in such a way that the most significant information of the images is preserved. ...
Abstract In image processing, an essential and most challenging process is removing the noise from the color images. ...
A better noise filter is required for satisfying two criteria such as noise suppression and useful information preserving in the image with low computational complexity [3] . ...
doi:10.19101/ijatee.2018.543008
fatcat:7bomp65gang5xh22z262v5odxm
A Novel Approach for Mixed Noise Removal using 'ROR' Statistics Combined WITH ACWMF and DPVM
2014
International Journal of Computer Applications
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In this paper a mixed noise removal framework using Robust Outlyingness ratio (ROR) statistics combined with adaptive center weighted median and detail preserving variational approach is discussed. ...
Final stage of filtering is done by means of Non Local Means filter. ...
Impulse noise reduction at the same time detail preservation is an essential requirement for further image processing stages, however achieving these two are difficult. ...
doi:10.5120/15076-3442
fatcat:gwr5lo5ghngfbet2mxefsd4ahq
A Novel Approach for Salt and Pepper Noise Removal using ROR and Contourlet Transform
2013
International Journal of Computer Applications
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In addition, the detection procedure consists of two stages, i.e., the coarse and fine detection stages. For filtering, proposed algorithm using contourlet transform (CT). ...
ROR and Contourlet transform is proposed to restore images corrupted by salt and pepper impulse noise. The operation is carried out in two stages, i.e., detection followed by filtering. ...
During the detection process, the from coarseto-fine strategy is used. In addition, the detection process contains two stages, i.e., the coarse stage followed by the fine stage. ...
doi:10.5120/12383-8735
fatcat:csehz2gbtvfshdxqk4ipizde5u
An Advanced AFWMF Model for Identifying High Random-Valued Impulse Noise for Image Processing
2021
Applied Sciences
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in image processing. ...
Conclusively, two interesting and meaning findings are identified: (1) the proposed AFWMF model is generally the best model among the 10 listed filtering methods for image processing in terms of the measurement ...
Therefore, it modifies both undisturbed pixels and pixels with noise, and some detail which must be preserved in an image is removed [1] . ...
doi:10.3390/app11157037
fatcat:asetmncjqrcbjdgyinye5irobe
Rank M-type Filters for Image Denoising
[chapter]
2009
Image Processing
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noise suppression, fine detail preservation, and color retention. ...
So, such filters use the value of the central pixel within the filtering window to provide the preservation of fine details and the redescending M-estimators combined with the calculation of the rank estimator ...
Rank M-type Filters for Image Denoising, Image Processing, Yung-Sheng Chen (Ed.), ISBN: 978-953-307-026-1, InTech, Available from: http://www.intechopen.com/books/image-processing/rank-m-type-filters-for-image-denoising ...
doi:10.5772/7044
fatcat:s7lnrz7yenfgfo7hiuirn2s6xe
VIRTUAL RESTORATION OF ARTWORKS USING ENTROPY-BASED COLOR IMAGE FILTERING SCHEMES
[chapter]
2006
Computational Imaging and Vision
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This paper presents a family of adaptive color image filters based on robust order-statistics and local contrast entropy control. ...
color image processing applications such as virtual restoration of artworks. ...
The VMF has the robust noise attenuation capability. However, the drawback is its low signal-detail preserving capability. ...
doi:10.1007/1-4020-4179-9_44
dblp:conf/iccvg/LukacPS04
fatcat:rzcjuu2pc5hfno4jfebnf3psh4
An Efficient Approach for Removal of Impulse Noise from Highly Corrupted Images
2015
SOP Transactions on Signal Processing
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Final result shows better performance in the impulse noise reduction over standard images relative to the conventional median filtering approach in terms of both noise reduction and fine detail preservation ...
In this paper, a method based on adaptive fuzzy filter is used to denoise image corrupted by impulse noise. ...
CONCLUSION In this paper an adaptive fuzzy filter is proposed to remove high density salt and pepper noise with fine detail preservation. The filter perform well for both gray scale and color images. ...
doi:10.15764/stsp.2015.01004
fatcat:6xpnf6rlxjf4td6o5pyuodhizm
Detail Preserving Fast Median Based Filter
2012
Journal of Advanced Computer Science & Technology
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The proposed Detail Preserving Fast Median Filtering (DPFMF) technique is more effective in eliminating fixed value impulse noise and preserving the image details. ...
Simulation studies show that the proposed filter can eliminate impulse noise of densities up to 80% while preserving the edges and fine details satisfactorily. ...
Acknowledgements The authors are grateful to the anonymous reviewers for their valuable comments and suggestions. ...
doi:10.14419/jacst.v1i4.248
fatcat:blkvjaqbgbfp3hxvyvrqwx272u
Do not Lose the Details: Reinforced Representation Learning for High Performance Visual Tracking
2018
Proceedings of the Twenty-Seventh International Joint Conference on Artificial Intelligence
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Moreover, the correlation filter layer working on the fine-grained representations leverages a global context constraint for accurate object appearance modeling. ...
The correlation filter in this layer is updated online efficiently without network fine-tuning. ...
The results prove that robust and accurate target localization can be achieved by the cooperation of our two complementary parts, namely the fine-grained context-aware correlation filter based tracking ...
doi:10.24963/ijcai.2018/137
dblp:conf/ijcai/WangZXGHM18
fatcat:vuixvii3hfdw5pp5snso2kxaom
Efficient Restoration Method for Images Corrupted with Impulse Noise
2011
Circuits, systems, and signal processing
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This paper proposes a two-stage adaptive method for restoration of images corrupted with impulse noise. ...
The experimental results for the proposed method demonstrate that it is faster and simpler than even median filtering, and it is very efficient for images corrupted with a wide range of impulse noise densities ...
Moreover, the method does not require any boundary corrections and does not use any threshold value and still preserves fine details and edges. ...
doi:10.1007/s00034-011-9380-z
fatcat:dhybb7enrfcjrojzczp6j3ooua
An expeditious cum efficient algorithm for salt-and-pepper noise removal and edge-detail preservation using cardinal spline interpolation
2014
Journal of Visual Communication and Image Representation
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This paper introduces a method for removal of salt-and-pepper impulsive noise from images while preserving edges and fine details. The method consists of two stages: detection and filtering. ...
In the detection stage, two conditions must be satisfied for a pixel to be considered noisy. ...
For 8-bit gray images, this noise takes on two extreme values, namely 255 for salt and 0 for pepper with equal probability. The proposed method consists of two stages: detection and filtering. ...
doi:10.1016/j.jvcir.2014.05.004
fatcat:zyvxqiyjyjdv3equefi3srq75q
An Adaptive Learning and Classifier Model in MRI Tumor Detection
2017
International Journal of Computer Applications
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It is required to minimize the noise effect with preserving the image content information, without losing the image generality. ...
In the process of image coding, external noises impact a lot in processing efficiency. In the application of medical image processing, this effect is more, important due to its finer content details. ...
In [12] a robust estimation based filter is proposed to remove low to medium density Gaussian noise with detail preservation. ...
doi:10.5120/ijca2017915546
fatcat:nyaajshmq5ggzjavkovgjhvlsa
A Novel Weighted Median Switching Filter for Denoising Corrupted Images
2013
International Journal of Computer Applications
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The proposed algorithm can be applicable to digital images with most of the fine details of the image are mostly preserved. ...
Based on this classification the weights associated with the median filter employed for denosing is determined. ...
Further, the proposed algorithm have successfully applied to digital images with most of the fine details of the image are preserved. ...
doi:10.5120/10756-5629
fatcat:uo35pw6e3rfvtefkgxnzhjq7eq
Mesh Denoising via Adaptive Consistent Neighborhood
2021
Sensors
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We introduce a two-stage scheme to construct adaptive consistent neighborhoods for guided normal filtering. ...
With the help of the adaptive consistent neighborhoods, our guided normal filtering can preserve geometric features well, and is robust against complex shapes of surfaces. ...
Bilateral filtering is a representative method in these anisotropic methods, which has been successfully applied in image processing for its ability of preserving features. ...
doi:10.3390/s21020412
pmid:33435554
fatcat:sw7t63lvkrfetoaqpdf3y5iiou
A Review : Various Image Denoising Techniques
2014
International Journal of Computer Applications
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Images may be corrupted by noise during image transmission through electronic media. Noise effect always corrupts any recorded image which is much more harmful for future process. ...
Removal of noise is an essential and challengeable operation in image processing. Before performing any process, images must be first restored. ...
The median filter, especially with a larger window size destroys the fine image details due to its rank ordering process. ...
doi:10.5120/16596-6399
fatcat:pwog5mxw2feyrnky3uxohijuqa
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