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JCO
2010
101views more  JCO 2010»
15 years 4 months ago
Separator-based data reduction for signed graph balancing
Abstract Polynomial-time data reduction is a classical approach to hard graph problems. Typically, particular small subgraphs are replaced by smaller gadgets. We generalize this ap...
Falk Hüffner, Nadja Betzler, Rolf Niedermeier
MST
2010
117views more  MST 2010»
15 years 4 months ago
Class Constrained Bin Covering
We study the following variant of the bin covering problem. We are given a set of unit sized items, where each item has a color associated with it. We are given an integer paramet...
Leah Epstein, Csanád Imreh, Asaf Levin
IPL
2006
69views more  IPL 2006»
15 years 6 months ago
On computing the smallest four-coloring of planar graphs and non-self-reducible sets in P
We show that computing the lexicographically first four-coloring for planar graphs is p 2hard. This result optimally improves upon a result of Khuller and Vazirani who prove this ...
André Große, Jörg Rothe, Gerd We...
ICIP
2009
IEEE
15 years 4 months ago
Joint deconvolution and demosaicing
We present a new method to jointly perform deblurring and colordemosaicing of RGB images. Our method is derived following an inverse problem approach in a MAP framework. To avoid ...
Ferréol Soulez, Eric Thiébaut
CC
2007
Springer
129views System Software» more  CC 2007»
16 years 15 days ago
Extended Linear Scan: An Alternate Foundation for Global Register Allocation
In this paper, we extend past work on Linear Scan register allocation, and propose two Extended Linear Scan (ELS) algorithms that retain the compiletime efficiency of past Linear ...
Vivek Sarkar, Rajkishore Barik