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SIAMIS
2010
127views more  SIAMIS 2010»
15 years 2 months ago
Bregmanized Nonlocal Regularization for Deconvolution and Sparse Reconstruction
We propose two algorithms based on Bregman iteration and operator splitting technique for nonlocal TV regularization problems. The convergence of the algorithms is analyzed and ap...
Xiaoqun Zhang, Martin Burger, Xavier Bresson, Stan...
CORR
2006
Springer
172views Education» more  CORR 2006»
15 years 3 months ago
Approximate Convex Optimization by Online Game Playing
This paper describes a general framework for converting online game playing algorithms into constrained convex optimization algorithms. This framework allows us to convert the wel...
Elad Hazan
CORR
2010
Springer
122views Education» more  CORR 2010»
15 years 3 months ago
A Unified Algorithmic Framework for Multi-Dimensional Scaling
In this paper, we propose a unified algorithmic framework for solving many known variants of MDS. Our algorithm is a simple iterative scheme with guaranteed convergence, and is mo...
Arvind Agarwal, Jeff M. Phillips, Suresh Venkatasu...
SODA
2004
ACM
102views Algorithms» more  SODA 2004»
15 years 5 months ago
An exact subexponential-time lattice algorithm for Asian options
Asian options are path-dependent derivatives. How to price them efficiently and accurately has been a longstanding research and practical problem. Asian options can be priced on t...
Tian-Shyr Dai, Yuh-Dauh Lyuu
NIPS
2000
15 years 5 months ago
Algorithms for Non-negative Matrix Factorization
Non-negative matrix factorization (NMF) has previously been shown to be a useful decomposition for multivariate data. Two different multiplicative algorithms for NMF are analyzed....
Daniel D. Lee, H. Sebastian Seung