non-local means
Recursive Non-Local Means Filter for Video Denoising
... Low-light conditions and small camera apertures tend to worsen the problem. In the case of some medical imagery, like x-ray images and video, short integration times are essential to limit the x-ray dose to the patient. ...
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Improved Non Local Means Algorithm for Image Denoising
... This paper proposes an improved non-local means method. The method uses a new weight kernel for prepro- cessing. The paper has tested our algorithm on images consisting of edges and smooth regions. ...
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Non-local means and optimal weights for noise removal
... the Non-Local means approach, we propose an adaptive estimator based on the weighted average of observations taken in a neighborhood with weights depending on the similarity of local ...
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ECG Signal Denoising With Non Local Means Filter
... II. NON LOCAL MEANS (NLM) Non local means (NLM) filtering also knows as statistical neighbourhood filter and was first introduced by (Buades et al, ...proposed Non ...
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Adaptive Non-Local Means using Weight Thresholding
... the Non-Local Means (NLM) denoising scheme [3][4], using a non- local patch based ...original non-local means scheme, there are still room for ...of ...
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Recursive non-local means filter for video denoising
... Low-light conditions and small camera apertures tend to worsen the problem. In the case of some medical imagery, like x-ray images and video, short integration times are essential to limit the x-ray dose to the patient. ...
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Improved Non-Local Means Algorithm Based on Dimensionality Reduction
... We have extensively tested and analyzed our proposed method using both objective and subjective measures. We have compared the proposed method with the original Non- Local Means algorithm and its ...
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Analysing Image Denoising using Non Local Means Algorithm
... There are several transforms that do image denoising. In this paper non local means (NL-means) algorithm[5][6][7] is used. The denoised images obtained with various algorithms are shown in ...
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SAR Image Denoising Using Non-Local Means on MapReduce
... by means of ...algorithm Non-Local Means had shown to give good refinement ...the Non-Local Means approach to noise reduction problem can be successfully adapted for ...
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Two Modifications of Weight Calculation of the Non Local Means Denoising Method
... Keywords: Non-Local Means; Singular Value Decomposition; Weight Calculation 1. Introduction Image denoising is one of the most important techniques and necessary preprocessing steps in image ...
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Non-local means variants for denoising of diffusion-weighted and diffusion tensor MRI.
... To cite this version: Nicolas Wiest-Daessl´ e, Sylvain Prima, Pierrick Coup´ e, Sean Patrick Morrissey, Christian Bar- illot. Non-local means variants for denoising of diffusion-weighted and ...
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Foveated Non-Local Means Denoising of Color Images, with Cross-Channel Paradigm.
... Foveated imaging was re- cently investigated for the purpose of image denoising in the Foveated Non-local Means (FNLM) algorithm, and it was shown that for natural images the foveated se[r] ...
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Recursive Non-Local Means Filter for Video Denoising with Poisson-Gaussian Noise
... recursive Non- Local means (RNLM) algorithm for video denoising that has been developed by the current ...efficient means for video denoising, and yields improved performance compared with the ...
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Comparison of Non Local Means Filtering with Wavelet Transform Technique for Denoising ECG signal
... and non local means based filtering method is proposed in this ...saturated. Non-local means offers a consistent improvement in PSNR, and the parameter β has an important impact ...
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An iterative tomosynthesis reconstruction using total variation combined with non-local means filtering
... NLM: Non-local means; 2D: 2 Dimensional; 2D: 2 Dimensional; 3D: 3 Dimensional; SSIM: Structure similarity; RMSE: Root mean squared error; MSE: Mean squared error; LOI: Layer of interest; FBP: ...
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Evaluation of Non-Local Means Based Denoising Filters for Diffusion Kurtosis Imaging Using a New Phantom
... of Non-Local Means Based Denoising Filters for Diffusion Kurtosis Imaging Using a New Phantom Min-Xiong Zhou 1,2 , Xu Yan 3 , Hai-Bin Xie 1 , Hui Zheng 1 , Dongrong Xu 4,5 *, Guang Yang 1 * 1 ...
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Mixed-Model Noise Removal in 3D MRI via Rotation-and-Scale Invariant Non-Local Means
... Rotation-and-Scale Invariant Non-Local Means No Author Given No Institute Given Abstract. Mixed noise is a major issue influencing quantitative analysis in different forms of magnetic resonance image ...
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An Improved Image Denoising Using Non-Local Means Algorithm N.Gopala Krishna 1, Dr. A. Senthil Rajan2
... types local and non local in local methods only exploit the spatial redundace in ...as Non local. A Non local means filter alogrithm is Non ...
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Improved preclassification non local-means (IPNLM) for filtering of grayscale images degraded with additive white Gaussian noise
... standard non local (NL)-means algorithm on different search and patch windows sizes to obtain optimal parameters where the values of criteria peak signal-to-noise ratio (PSNR), mean absolute error ...
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A Novel Non local Means based Technique for Simultaneous Denoising and Fusion
... are non- ...nonlocal means filter in conjunction with multires- olution contourlet transform for simultaneous image denoising and fusion is ...nonlocal means filter at the approximate coefficients ...
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