6 search results - page 1 / 2 » An improved Hurst parameter estimator based on fractional Fo... |
TELSYS
2010
13 years 3 months ago
2010
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...
ICIP
2010
IEEE
13 years 2 months ago
2010
IEEE
The dual-tree wavelet transform is here applied to the problem of fractal dimension estimation. The Hurst parameter of fractional Brownian surfaces is estimated using various wave...
CVPR
2008
IEEE
14 years 6 months ago
2008
IEEE
In this paper, we propose a novel method of computing the optical flow using the Fourier Mellin Transform (FMT). Each image in a sequence is divided into a regular grid of patches...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
The determination of the optimal fractional Fourier transform (FrFT) order is a crucial issue for FrFT. This paper introduces a novel algorithm is proposed for the estimation of F...
IGARSS
2009
13 years 2 months ago
2009
It is proposed that the NDVI time series derived from MODIS multitemporal remote sensing data can be modelled as a triply (mean, phase and amplitude) modulated cosine function. A ...