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IAT
2005
IEEE
15 years 5 months ago
Decomposing Large-Scale POMDP Via Belief State Analysis
Partially observable Markov decision process (POMDP) is commonly used to model a stochastic environment with unobservable states for supporting optimal decision making. Computing ...
Xin Li, William K. Cheung, Jiming Liu
CORR
2010
Springer
66views Education» more  CORR 2010»
14 years 10 months ago
A Unique "Nonnegative" Solution to an Underdetermined System: from Vectors to Matrices
Abstract--This paper investigates the uniqueness of a nonnegative vector solution and the uniqueness of a positive semidefinite matrix solution to underdetermined linear systems. A...
Meng Wang, Weiyu Xu, Ao Tang
ICML
2007
IEEE
16 years 15 days ago
Bayesian compressive sensing and projection optimization
This paper introduces a new problem for which machine-learning tools may make an impact. The problem considered is termed "compressive sensing", in which a real signal o...
Shihao Ji, Lawrence Carin
WWW
2007
ACM
16 years 11 days ago
Using d-gap patterns for index compression
Sequential patterns of d-gaps exist pervasively in inverted lists of Web document collection indices due to the cluster property. In this paper the information of d-gap sequential...
Jinlin Chen, Terry Cook
ICASSP
2008
IEEE
15 years 6 months ago
Efficient 4D motion compensated lossless compression of dynamic volumetric medical image data
Dynamic volumetric (four dimensional- 4D) medical images are typically huge in file size and require a vast amount of resources for storage and transmission purposes. In this pape...
Victor Sanchez, Panos Nasiopoulos, Rafeef Abugharb...