local adaptive image denoising
Method of Image Block Denoising Based on Adaptive Total Variation
... cell image processing based on adaptive total ...uses image block method to segment the cell images into flat region and edged region, and adaptively choose denoising models in accordance with ...
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Image Denoising by Addaptive Non Local Bilatetal Filter
... This paper presents an attempt to improve bilateral filter for avoiding over smoothing of small sharp particles. Inspired by the neighborhood selection of non-local mean filter, a new adaptive bilateral ...
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Edge Preserved and Segmented Image Denoising
... non local image restoration [14] algorithms have contributed much to the field of image processing, specifically for image ...(Spatially adaptive iterative singular-value thresholding) ...
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DWT based Adaptive Image Enhancement with Shrinkage Denoising
... multiscale image enhancement since it is free from artifacts and results in a balanced image ...multiscale image enhancement procedure with a multiscale contrast measure which is implemented in DWT ...
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Image Denoising Using Adaptive Neuro-Fuzzy System
... The image corrupted by different kinds of noises is a frequently encountered problem in image acquisition and transmission ...the image signal; its appearance is randomly scattered white or black (or ...
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Optimization of Gradient Threshold Parameter in Feature Preserving Anisotropic Diffusion for Image Denoising
... it adaptive to local image gradient, so that edges are ...original image I(x, y), a family of increasingly smoothed images I(x, y, t), based on the following partial differential equation []: ...
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A Novel Image Denoising Based On Local Geometry Encoding
... a local image patches to derive a 2-D, locally adaptive basis ...The local principal components provide the best local basis set and the largest eigenvector is in the direction of the ...
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An adaptive bandwidth nonlocal means image denoising in wavelet domain
... popular denoising method is the nonlo- cal means filtering [5], which substitutes a noisy pixel by the weighted sum of neighborhood ...of local constant regression ...
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An improved infrared image processing method based on adaptive threshold denoising
... the local feature of the image is used as a parameter for threshold selection so that the threshold can be changed as the specific characteristics of the image ...an adaptive threshold ...
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An Adaptive Weighted Average (WAV) Reprojection Algorithm for Image Denoising
... Patch-based denoising algorithms have an effective improvement in the image denois- ing ...the image structure. The image structure is identified using an improved classification method that ...
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A Modified Adaptive PCA Learning based Method for Image Denoising
... for image denoising by using a moving window to calculate the local statistics, from which the local PCA transformation matrix was ...noisy image without data selection and many noise ...
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A Discontinuity Adaptive Prior for Image Denoising
... the local structural similarity to smooth the images with a narrow spatial window while preserving ...and local structural similarities between neighboring ...
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BM3D Image Denoising using Learning-Based Adaptive Hard Thresholding
... Here Z(i) is a normalization constant and h is a smoothing kernel width which controls decay of the exponential function. Figure 2.6 shows the performance of Non-Local Means algorithm. Many improvements have been ...
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Adaptive Wavelet Packet Decomposition for Efficient Image Denoising By Using NeighSure Shrink Method
... An adaptive wavelet threshold method is applied with the help of Baye's Shrink for wavelet thresholding ...the local energy, within the neighborhood ...
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Metaheuristic Based Noise Identification and Image Denoising Using Adaptive Block Selection Based Filtering
... pattern denoising algorithm is presented in ...of image pixels. A fast image recovery algorithm [9] based on splitting deblurring and denoising is ...based denoising and deblurring ...
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Study and Analysis of Smoothing Filter for Third Order Edge Detection Operator
... reduce image noise. To blur the image and reduce the noise smoothing filters are ...an image is removed by blurring and the gaps are bridged with lines and ...digital image processing ...
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Image binarization techniques for degraded document images: A review
... Historical documents are important as they contain some important information sometimes not available in the recent trends. To get this information from these documents are the main motive for binarization. All the ...
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An advanced, robust binarization and character recognition in document images based on raspberry Pi
... based adaptive thresholding etc, a novel document image binarization technique by using adaptive image contrast is proposed ...The adaptive image contrast is an amalgamation of ...
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A Review on Text Extraction Using Adaptive Thresholding
... an adaptive contrast map is first constructed for an input degraded document ...image. Adaptive image contrast is a combination of local image contrast and local ...
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Restoration of degraded documents using image binarization technique
... degraded image documents is a very challenging task because the variations between the foreground text and background text are hard to ...degraded image; the process carried here is the image ...
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