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ISPD
2005
ACM
151views Hardware» more  ISPD 2005»
15 years 10 months ago
Multilevel generalized force-directed method for circuit placement
Automatic circuit placement has received renewed interest recently given the rapid increase of circuit complexity, increase of interconnect delay, and potential sub-optimality of ...
Tony F. Chan, Jason Cong, Kenton Sze
ICCAD
1994
IEEE
119views Hardware» more  ICCAD 1994»
15 years 7 months ago
Adaptive cut line selection in min-cut placement for large scale sea-of-gates arrays
We present a new min-cut based placement algorithm for large scale sea-of-gates arrays. In the past all such algorithms used a xed cut line sequence that is determined before min...
Kazuhiro Takahashi, Kazuo Nakajima, Masayuki Terai...
ICIP
2004
IEEE
16 years 6 months ago
Wavelet-based contourlet transform and its application to image coding
In this paper, we first propose a new family of geometrical image transforms that decompose images both radially and angularly. Our construction comprises two stages of filter ban...
Ramin Eslami, Hayder Radha
IDA
2003
Springer
15 years 9 months ago
Fuzzy Clustering of Short Time-Series and Unevenly Distributed Sampling Points
This paper proposes a new clustering algorithm in the fuzzy-c-means family, which is designed to cluster time series and is particularly suited for short time series and those wit...
Carla S. Möller-Levet, Frank Klawonn, Kwang-H...
JMLR
2010
143views more  JMLR 2010»
15 years 2 months ago
A Quasi-Newton Approach to Nonsmooth Convex Optimization Problems in Machine Learning
We extend the well-known BFGS quasi-Newton method and its memory-limited variant LBFGS to the optimization of nonsmooth convex objectives. This is done in a rigorous fashion by ge...
Jin Yu, S. V. N. Vishwanathan, Simon Günter, ...