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» Parameterized Complexity and Approximation Algorithms
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ICPR
2008
IEEE
15 years 11 months ago
Motion estimation approach based on dual-tree complex wavelets
The loss of information due to occlusion and other complications has been one of the main bottlenecks in the field of motion estimation. In this paper, we propose a novel motion e...
Changzhu Wu, Hongxiao Wang, Qing Wang
87
Voted
PODS
2008
ACM
153views Database» more  PODS 2008»
15 years 10 months ago
Approximation algorithms for co-clustering
Co-clustering is the simultaneous partitioning of the rows and columns of a matrix such that the blocks induced by the row/column partitions are good clusters. Motivated by severa...
Aris Anagnostopoulos, Anirban Dasgupta, Ravi Kumar
ICMCS
2006
IEEE
103views Multimedia» more  ICMCS 2006»
15 years 4 months ago
Multiplierless Approximation of Fast DCT Algorithms
This paper proposes an effective method for converting any fast DCT algorithm into an approximate multiplierless version. Basically it approximates any constant in the original tr...
Raymond Chan, Moon-chuen Lee
IJSI
2010
84views more  IJSI 2010»
14 years 8 months ago
Computational Complexity and Anytime Algorithm for Inconsistency Measurement
Measuring inconsistency degrees of inconsistent knowledge bases is an important problem as it provides context information for facilitating inconsistency handling. Many methods hav...
Yue Ma, Guilin Qi, Guohui Xiao, Pascal Hitzler, Zu...
86
Voted
SIGPRO
2011
209views Hardware» more  SIGPRO 2011»
14 years 5 months ago
Surveying and comparing simultaneous sparse approximation (or group-lasso) algorithms
In this paper, we survey and compare different algorithms that, given an overcomplete dictionary of elementary functions, solve the problem of simultaneous sparse signal approxim...
A. Rakotomamonjy