204 search results - page 15 / 41 » Shift-invariance in the Discrete Wavelet Transform |
TCSV
2008
13 years 7 months ago
2008
A quality constrained compression algorithm based on Discrete Wavelet Transform (DWT) is proposed. The spatial-frequency decomposition property of DWT provides possibility for not...
CIVR
2005
Springer
14 years 1 months ago
2005
Springer
In the paper, we proposed a novel feature descriptor using over-complete wavelet transform and wavelet domain based fractal signature for texture image analysis and retrieval. Trad...
COMPGEOM
1997
ACM
13 years 11 months ago
1997
ACM
Motivated by applications of foveated images in visualization, we introduce the foveation transform of an image. We study the basic properties of these transforms using the multir...
INFORMATICALT
2006
13 years 7 months ago
2006
In this paper, a digital watermarking algorithm for copyright protection based on the concept of embed digital watermark and modifying frequency coefficients in discrete wavelet tr...
ICDE
1999
IEEE
14 years 8 months ago
1999
IEEE
Time series stored as feature vectors can be indexed by multidimensional index trees like R-Trees for fast retrieval. Due to the dimensionality curse problem, transformations are ...