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COLT
2000
Springer
14 years 28 days ago
On the Learnability and Design of Output Codes for Multiclass Problems
Output coding is a general framework for solving multiclass categorization problems. Previous research on output codes has focused on building multiclass machines given predefine...
Koby Crammer, Yoram Singer
EC
1998
178views ECommerce» more  EC 1998»
13 years 8 months ago
The Simple Genetic Algorithm and the Walsh Transform: Part I, Theory
This paper is the first part of a two part series. It proves a number of direct relationships between the Fourier transform and the simple genetic algorithm. (For a binary repres...
Michael D. Vose, Alden H. Wright
IPPS
2003
IEEE
14 years 1 months ago
Short Vector Code Generation for the Discrete Fourier Transform
In this paper we use a mathematical approach to automatically generate high performance short vector code for the discrete Fourier transform (DFT). We represent the well-known Coo...
Franz Franchetti, Markus Püschel
IPPS
2002
IEEE
14 years 1 months ago
A Prototypical Self-Optimizing Package for Parallel Implementation of Fast Signal Transforms
This paper presents a self-adapting parallel package for computing the Walsh-Hadamard transform (WHT), a prototypical fast signal transform, similar to the fast Fourier transform....
Kang Chen, Jeremy R. Johnson
VTC
2006
IEEE
148views Communications» more  VTC 2006»
14 years 2 months ago
Exploiting Channel Time Selectivity in Pilot-Aided Alamouti STBC Systems
Abstract-In fast time varying systems, the problem of acquiring the channel coefficients required for symbol decoding commonly arises. A method of resolving this problem is the use...
Woon Hau Chin