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» Improved Approximation of Linear Threshold Functions
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JDCTA
2010
203views more  JDCTA 2010»
13 years 4 months ago
Preprocessing Method for NaXi Pictographs Character Recognition Using Wavelet Transform
Preprocessing, a major component of Character Recognition System, has direct effect on the recognition system by its performance. Using wavelet transform, this paper mainly focuse...
Hai Guo, Jing-ying Zhao, Xiao-niu Li
ISSAC
2009
Springer
121views Mathematics» more  ISSAC 2009»
14 years 4 months ago
Faster real feasibility via circuit discriminants
We show that detecting real roots for honestly n-variate (n + 2)-nomials (with integer exponents and coefficients) can be done in time polynomial in the sparse encoding for any ...
Frédéric Bihan, J. Maurice Rojas, Ca...
TIT
2002
107views more  TIT 2002»
13 years 9 months ago
Wavelet deconvolution
Abstract--This paper studies the issue of optimal deconvolution density estimation using wavelets. The approach taken here can be considered as orthogonal series estimation in the ...
Jianqing Fan, Ja-Yong Koo
ISBI
2011
IEEE
13 years 1 months ago
Sparse topological data recovery in medical images
For medical image analysis, the test statistic of the measurements is usually constructed at every voxels in space and thresholded to determine the regions of significant signals...
Moo K. Chung, Hyekyoung Lee, Peter T. Kim, Jong Ch...
STACS
1998
Springer
14 years 2 months ago
On Disguised Double Horn Functions and Extensions
We consider Boolean functions represented by decision lists, and study their relationships to other classes of Boolean functions. It turns out that the elementary class of 1-decis...
Thomas Eiter, Toshihide Ibaraki, Kazuhisa Makino