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» An algorithm for minimizing the Mumford-Shah functional
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CDC
2010
IEEE
182views Control Systems» more  CDC 2010»
13 years 3 months ago
An approximate dual subgradient algorithm for multi-agent non-convex optimization
We consider a multi-agent optimization problem where agents aim to cooperatively minimize a sum of local objective functions subject to a global inequality constraint and a global ...
Minghui Zhu, Sonia Martínez
WWW
2007
ACM
14 years 9 months ago
GigaHash: scalable minimal perfect hashing for billions of urls
A minimal perfect function maps a static set of keys on to the range of integers {0,1,2, ... , - 1}. We present a scalable high performance algorithm based on random graphs for ...
Kumar Chellapilla, Anton Mityagin, Denis Xavier Ch...
ISCAS
2005
IEEE
140views Hardware» more  ISCAS 2005»
14 years 2 months ago
Macroblock-based algorithm for dual-bitstream MPEG video streaming with VCR functionalities
— Reverse playback is the most common video cassette recording (VCR) functions in many digital video players. However, the predictive processing techniques employed in MPEG sever...
Tak-Piu Ip, Yui-Lam Chan, Chang-Hong Fu, Wan-Chi S...
ICASSP
2011
IEEE
13 years 12 days ago
I-Divergence-based dereverberation method with auxiliary function approach
This paper presents a dereverberation method based on I-divergence minimization, which is particularly suitable for music signals. Existing dereverberation methods, including one ...
Naoki Yasuraoka, Hirokazu Kameoka, Takuya Yoshioka...
DATE
2009
IEEE
129views Hardware» more  DATE 2009»
14 years 3 months ago
Energy minimization for real-time systems with non-convex and discrete operation modes
—We present an optimal methodology for dynamic voltage scheduling problem in the presence of realistic assumption such as leakage-power and intra-task overheads. Our contribution...
Foad Dabiri, Alireza Vahdatpour, Miodrag Potkonjak...