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ICPR
2010
IEEE
13 years 2 months ago
Shape-Based Image Retrieval Using a New Descriptor Based on the Radon and Wavelet Transforms
In this paper, the Radon transform is used to design a new descriptor called Phi-signature invariant to usual geometric transformations. Experiments show the effectiveness of the m...
Nafaa Nacereddine, Salvatore Tabbone, Djemel Ziou,...
TELSYS
2010
94views more  TELSYS 2010»
13 years 3 months ago
An improved Hurst parameter estimator based on fractional Fourier transform
A fractional Fourier transform (FrFT) based estimation method is introduced in this paper to analyze the long range dependence (LRD) in time series. The degree of LRD can be chara...
Yangquan Chen, Rongtao Sun, Anhong Zhou
ASPDAC
2008
ACM
107views Hardware» more  ASPDAC 2008»
13 years 6 months ago
Full-chip thermal analysis for the early design stage via generalized integral transforms
The capability of predicting the temperature profile is critically important for timing estimation, leakage reduction, power estimation, hotspot avoidance and reliability concerns ...
Pei-Yu Huang, Chih-Kang Lin, Yu-Min Lee
TSP
2010
12 years 11 months ago
Modeling and identification of nonlinear systems in the short-time fourier transform domain
Abstract--In this paper, we introduce a novel approach for improved nonlinear system identification in the short-time Fourier transform (STFT) domain. We first derive explicit repr...
Yekutiel Avargel, Israel Cohen
MUE
2008
IEEE
177views Multimedia» more  MUE 2008»
13 years 11 months ago
Abnormal Gait Detection Using Discrete Fourier Transform
Detection of gait characteristics has found considerable interest in field of biomechanics and rehabilitation sciences. In this paper an approach for abnormal gait detection emplo...
Ahmed Mostayed, Mohammad Mynuddin Gani Mazumder, S...