1987 search results - page 5 / 398 » Directional filtering transform |
ICIP
2006
IEEE
14 years 9 months ago
2006
IEEE
In subband image and video compression, the issue of dyadic spatial scalability with a downsizing ratio of 2:1 has already been widely investigated. In some application scenarios,...
DPHOTO
2010
13 years 8 months ago
2010
Conventional point spread function (PSF) measurement methods often use parametric models for the estimation of the PSF. This limits the shape of the PSF to a specific form provide...
TSP
2010
13 years 2 months ago
2010
Abstract--In this paper, the problem of estimating direction-ofarrival (DOA) of multiple uncorrelated sources from single antenna power measurements is addressed. Utilizing the fac...
ICMCS
2010
IEEE
13 years 8 months ago
2010
IEEE
A new focus measure system is proposed based on complex wavelet transform and quadrature pair of steerable filters. In shape from focus (SFF), noise, illumination variation and or...
TIP
2008
13 years 7 months ago
2008
In this paper, a new weighted adaptive lifting (WAL)-based wavelet transform is presented. The proposed WAL approach is designed to solve the problems existing in the previous adap...