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    SIGPRO
    2002
    160views more  SIGPRO 2002»
    New multiscale transforms, minimum total variation synthesis: applications to edge-preserving image reconstruction
    13 years 11 months ago
    New multiscale transforms, minimum total variation synthesis: applications to edge-preserving image reconstruction
    Download  www-stat.stanford.edu
    This paper describes newly invented multiscale transforms known under the name of the ridgelet [6] and the curvelet transforms [9, 8]. These systems combine ideas of multiscale an...
    Emmanuel J. Candès, Franck Guo
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    JSCIC
    2007
    165views more  JSCIC 2007»
    A Nonlinear Multigrid Method for Total Variation Minimization from Image Restoration
    13 years 11 months ago
    A Nonlinear Multigrid Method for Total Variation Minimization from Image Restoration
    Download  folk.uib.no
    Image restoration has been an active research topic and variational formulations are particularly effective in high quality recovery. Although there exist many modelling and theore...
    Ke Chen 0002, Xue-Cheng Tai
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    JMIV
    2007
    484views more  JMIV 2007»
    On Semismooth Newton's Methods for Total Variation Minimization
    13 years 11 months ago
    On Semismooth Newton's Methods for Total Variation Minimization
    Download  ftp.math.hkbu.edu.hk
    In [2], Chambolle proposed an algorithm for minimizing the total variation of an image. In this short note, based on the theory on semismooth operators, we study semismooth Newton...
    Michael K. Ng, Liqun Qi, Yu-Fei Yang, Yu-Mei Huang
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    SIAMIS
    2008
    279views more  SIAMIS 2008»
    A New Alternating Minimization Algorithm for Total Variation Image Reconstruction
    13 years 11 months ago
    A New Alternating Minimization Algorithm for Total Variation Image Reconstruction
    Download  www.caam.rice.edu
    We propose, analyze and test an alternating minimization algorithm for recovering images from blurry and noisy observations with total variation (TV) regularization. This algorith...
    Yilun Wang, Junfeng Yang, Wotao Yin, Yin Zhang
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    JMIV
    2006
    161views more  JMIV 2006»
    Image Restoration with Discrete Constrained Total Variation Part I: Fast and Exact Optimization
    13 years 11 months ago
    Image Restoration with Discrete Constrained Total Variation Part I: Fast and Exact Optimization
    Download  www1.spms.ntu.edu.sg
    This paper deals with the total variation minimization problem in image restoration for convex data fidelityfunctionals.Weproposeanewandfastalgorithmwhichcomputesanexactsolutionint...
    Jérôme Darbon, Marc Sigelle
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    JMIV
    2006
    124views more  JMIV 2006»
    Iterative Total Variation Regularization with Non-Quadratic Fidelity
    13 years 11 months ago
    Iterative Total Variation Regularization with Non-Quadratic Fidelity
    Download  wwwmath.uni-muenster.de
    Abstract. A generalized iterative regularization procedure based on the total variation penalization is introduced for image denoising models with non-quadratic convex fidelity ter...
    Lin He, Martin Burger, Stanley Osher
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    KES
    2008
    Springer
    177views Information Technology» more  KES 2008»
    Super Resolution of Multispectral Images Using TV Image Models
    13 years 11 months ago
    Super Resolution of Multispectral Images Using TV Image Models
    Download  decsai.ugr.es
    Abstract. In this paper we propose a novel algorithm for the pansharpening of multispectral images based on the use of a Total Variation (TV) image prior. Within the Bayesian formu...
    Miguel Vega, Javier Mateos, Rafael Molina, Aggelos...
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    CSDA
    2007
    131views more  CSDA 2007»
    Bivariate density estimation using BV regularisation
    13 years 11 months ago
    Bivariate density estimation using BV regularisation
    Download  www.maths.bris.ac.uk
    In this paper we study the problem of bivariate density estimation. The aim is to find a density function with the smallest number of local extreme values which is adequate with ...
    Andreas Obereder, Otmar Scherzer, Arne Kovac
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    CORR
    2010
    Springer
    95views Education» more  CORR 2010»
    Optimization and Convergence of Observation Channels in Stochastic Control
    13 years 11 months ago
    Optimization and Convergence of Observation Channels in Stochastic Control
    Download  www.mast.queensu.ca
    This paper studies the optimization of observation channels (stochastic kernels) in partially observed stochastic control problems. In particular, existence, continuity, and convex...
    Serdar Yüksel, Tamás Linder
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    CIMAGING
    2009
    274views Hardware» more  CIMAGING 2009»
    Image zooming with contour stencils
    14 years 19 days ago
    Image zooming with contour stencils
    Download  www.math.ucla.edu
    We introduce "contour stencils" as a simple method for detecting the local orientation of image contours and apply this detection to image zooming. Our approach is motiv...
    Pascal Getreuer
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