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    MICCAI
    2008
    Springer
    143views Medical Imaging» more  MICCAI 2008»
    Symmetric Log-Domain Diffeomorphic Registration: A Demons-Based Approach
    14 years 8 months ago
    Symmetric Log-Domain Diffeomorphic Registration: A Demons-Based Approach
    Download  hal.inria.fr
    Abstract. Modern morphometric studies use non-linear image registration to compare anatomies and perform group analysis. Recently, logEuclidean approaches have contributed to promo...
    Tom Vercauteren, Xavier Pennec, Aymeric Perchant...
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    TNN
    2008
    102views more  TNN 2008»
    A Class of Complex ICA Algorithms Based on the Kurtosis Cost Function
    13 years 7 months ago
    A Class of Complex ICA Algorithms Based on the Kurtosis Cost Function
    Download  www.csee.umbc.edu
    In this paper, we introduce a novel way of performing real-valued optimization in the complex domain. This framework enables a direct complex optimization technique when the cost f...
    Hualiang Li, Tülay Adali
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    JGO
    2008
    111views more  JGO 2008»
    A geometric framework for nonconvex optimization duality using augmented lagrangian functions
    13 years 7 months ago
    A geometric framework for nonconvex optimization duality using augmented lagrangian functions
    Download  web.mit.edu
    We provide a unifying geometric framework for the analysis of general classes of duality schemes and penalty methods for nonconvex constrained optimization problems. We present a ...
    Angelia Nedic, Asuman E. Ozdaglar
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    JUCS
    2007
    148views more  JUCS 2007»
    Analysis of two Sweep-line Algorithms for Constructing Spanning Trees and Steiner Trees
    13 years 7 months ago
    Analysis of two Sweep-line Algorithms for Constructing Spanning Trees and Steiner Trees
    Download  www.jucs.org
    : We give a tight analysis of an old and popular sweep-line heuristic for constructing a spanning tree of a set of n points in the plane. The algorithm sweeps a vertical line acros...
    Adrian Dumitrescu, Csaba D. Tóth
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    JMLR
    2006
    175views more  JMLR 2006»
    Learning Sparse Representations by Non-Negative Matrix Factorization and Sequential Cone Programming
    13 years 7 months ago
    Learning Sparse Representations by Non-Negative Matrix Factorization and Sequential Cone Programming
    Download  jmlr.csail.mit.edu
    We exploit the biconvex nature of the Euclidean non-negative matrix factorization (NMF) optimization problem to derive optimization schemes based on sequential quadratic and secon...
    Matthias Heiler, Christoph Schnörr
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