785 search results - page 91 / 157 » On the Hilbert Transform of Wavelets |
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
We propose an extension of the recently devised SURE-LET grayscale denoising approach for multichannel images. Assuming additive Gaussian white noise, the unknown linear parameter...
APCCAS
2006
IEEE
15 years 6 months ago
2006
IEEE
—This report discusses how to generate a panoramic image from video data for environmental surveillance of a river. Video signal is assumed to be taken in a sunny day from an air...
ISCAS
2002
IEEE
15 years 4 months ago
2002
IEEE
The problem of a useful electrical power quantification in environments with power quality problems is discussed. As it is difficult to correctly apply a Fourier-based approach, a...
WSCG
2004
15 years 1 months ago
2004
This paper focuses on a novel framework for information retrieval of images based only on color information. Regions homogeneous in color of the input image are detected using a m...
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VLDB
2008
ACM
16 years 2 days ago
2008
ACM
Abstract Existing spatiotemporal indexes suffer from either large update cost or poor query performance, except for the Bx -tree (the state-of-the-art), which consists of multiple ...