Search Results - "Elad, M."
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1
Optimized Projections for Compressed Sensing
Published in IEEE transactions on signal processing (01-12-2007)“…Compressed sensing (CS) offers a joint compression and sensing processes, based on the existence of a sparse representation of the treated signal and a set of…”
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2
Why Simple Shrinkage Is Still Relevant for Redundant Representations?
Published in IEEE transactions on information theory (01-12-2006)“…Shrinkage is a well known and appealing denoising technique, introduced originally by Donoho and Johnstone in 1994. The use of shrinkage for denoising is known…”
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3
On the origin of the bilateral filter and ways to improve it
Published in IEEE transactions on image processing (01-10-2002)“…Additive noise removal from a given signal is an important problem in signal processing. Among the most appealing aspects of this field are the ability to…”
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4
Generalizing the Nonlocal-Means to Super-Resolution Reconstruction
Published in IEEE transactions on image processing (01-01-2009)“…Super-resolution reconstruction proposes a fusion of several low-quality images into one higher quality result with better optical resolution. Classic…”
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5
Double Sparsity: Learning Sparse Dictionaries for Sparse Signal Approximation
Published in IEEE transactions on signal processing (01-03-2010)“…An efficient and flexible dictionary structure is proposed for sparse and redundant signal representation. The proposed sparse dictionary is based on a…”
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6
Sparse Representation for Color Image Restoration
Published in IEEE transactions on image processing (01-01-2008)“…Sparse representations of signals have drawn considerable interest in recent years. The assumption that natural signals, such as images, admit a sparse…”
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7
Super-Resolution Without Explicit Subpixel Motion Estimation
Published in IEEE transactions on image processing (01-09-2009)“…The need for precise (subpixel accuracy) motion estimates in conventional super-resolution has limited its applicability to only video sequences with…”
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8
Image Sequence Denoising via Sparse and Redundant Representations
Published in IEEE transactions on image processing (01-01-2009)“…In this paper, we consider denoising of image sequences that are corrupted by zero-mean additive white Gaussian noise. Relative to single image denoising…”
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9
Stable recovery of sparse overcomplete representations in the presence of noise
Published in IEEE transactions on information theory (01-01-2006)“…Overcomplete representations are attracting interest in signal processing theory, particularly due to their potential to generate sparse representations of…”
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10
The cosparse analysis model and algorithms
Published in Applied and computational harmonic analysis (01-01-2013)“…After a decade of extensive study of the sparse representation synthesis model, we can safely say that this is a mature and stable field, with clear…”
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11
Fast and robust multiframe super resolution
Published in IEEE transactions on image processing (01-10-2004)“…Super-resolution reconstruction produces one or a set of high-resolution images from a set of low-resolution images. In the last two decades, a variety of…”
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12
Image decomposition via the combination of sparse representations and a variational approach
Published in IEEE transactions on image processing (01-10-2005)“…The separation of image content into semantic parts plays a vital role in applications such as compression, enhancement, restoration, and more. In recent…”
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13
Self-Stabilizing and Private Distributed Shared Atomic Memory in Seldomly Fair Message Passing Networks
Published in Algorithmica (2023)“…We study the problem of privately emulating shared memory in message-passing networks. The system includes clients that store and retrieve replicated…”
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14
A Plurality of Sparse Representations Is Better Than the Sparsest One Alone
Published in IEEE transactions on information theory (01-10-2009)“…Cleaning of noise from signals is a classical and long-studied problem in signal processing. Algorithms for this task necessarily rely on an a priori knowledge…”
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15
Simultaneous cartoon and texture image inpainting using morphological component analysis (MCA)
Published in Applied and computational harmonic analysis (01-11-2005)“…This paper describes a novel inpainting algorithm that is capable of filling in holes in overlapping texture and cartoon image layers. This algorithm is a…”
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16
On the Uniqueness of Nonnegative Sparse Solutions to Underdetermined Systems of Equations
Published in IEEE transactions on information theory (01-11-2008)“…An underdetermined linear system of equations Ax = b with nonnegativity constraint x ges 0 is considered. It is shown that for matrices A with a row-span…”
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17
A generalized uncertainty principle and sparse representation in pairs of bases
Published in IEEE transactions on information theory (01-09-2002)“…An elementary proof of a basic uncertainty principle concerning pairs of representations of R/sup N/ vectors in different orthonormal bases is provided. The…”
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18
The projected GSURE for automatic parameter tuning in iterative shrinkage methods
Published in Applied and computational harmonic analysis (01-05-2011)“…Linear inverse problems are very common in signal and image processing. Many algorithms that aim at solving such problems include unknown parameters that need…”
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19
Multiframe demosaicing and super-resolution of color images
Published in IEEE transactions on image processing (01-01-2006)“…In the last two decades, two related categories of problems have been studied independently in image restoration literature: super-resolution and demosaicing…”
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20
A fast super-resolution reconstruction algorithm for pure translational motion and common space-invariant blur
Published in IEEE transactions on image processing (01-08-2001)“…This paper addresses the problem of recovering a super-resolved image from a set of warped blurred and decimated versions thereof. Several algorithms have…”
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