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ISPD
2005
ACM
151views Hardware» more  ISPD 2005»
15 years 12 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 9 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 8 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 11 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 4 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, ...