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    JMLR
    2012
    176views Programming Languages» more  JMLR 2012»
    Fast interior-point inference in high-dimensional sparse, penalized state-space models
    11 years 10 months ago
    Fast interior-point inference in high-dimensional sparse, penalized state-space models
    Download  www.stat.columbia.edu
    We present an algorithm for fast posterior inference in penalized high-dimensional state-space models, suitable in the case where a few measurements are taken in each time step. W...
    Eftychios A. Pnevmatikakis, Liam Paninski
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    JMLR
    2012
    200views Programming Languages» more  JMLR 2012»
    Krylov Subspace Descent for Deep Learning
    11 years 10 months ago
    Krylov Subspace Descent for Deep Learning
    Download  jmlr.csail.mit.edu
    In this paper, we propose a second order optimization method to learn models where both the dimensionality of the parameter space and the number of training samples is high. In ou...
    Oriol Vinyals, Daniel Povey
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    IJCV
    2012
    181views Computer Networks» more  IJCV 2012»
    Globally Optimal Estimation of Nonrigid Image Distortion
    11 years 10 months ago
    Globally Optimal Estimation of Nonrigid Image Distortion
    Download  www.cs.cmu.edu
    Abstract Image alignment in the presence of non-rigid distortions is a challenging task. Typically, this involves estimating the parameters of a dense deformation field that warps...
    Yuandong Tian, Srinivasa G. Narasimhan
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    QEST
    2008
    IEEE
    145views Modeling and Simulation» more  QEST 2008»
    Quasi-Birth-Death Processes, Tree-Like QBDs, Probabilistic 1-Counter Automata, and Pushdown Systems
    14 years 1 months ago
    Quasi-Birth-Death Processes, Tree-Like QBDs, Probabilistic 1-Counter Automata, and Pushdown Systems
    Download  www.era.lib.ed.ac.uk
    We begin by observing that (discrete-time) QuasiBirth-Death Processes (QBDs) are equivalent, in a precise sense, to (discrete-time) probabilistic 1-Counter Automata (p1CAs), and b...
    Kousha Etessami, Dominik Wojtczak, Mihalis Yannaka...
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    TWC
    2008
    135views more  TWC 2008»
    Optimal Distributed Stochastic Routing Algorithms for Wireless Multihop Networks
    13 years 7 months ago
    Optimal Distributed Stochastic Routing Algorithms for Wireless Multihop Networks
    Download  www.seas.upenn.edu
    A novel framework was introduced recently for stochastic routing in wireless multihop networks, whereby each node selects a neighbor to forward a packet according to a probability...
    Alejandro Ribeiro, Nikolas D. Sidiropoulos, Georgi...
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