204 search results - page 29 / 41 » Shift-invariance in the Discrete Wavelet Transform |
ISCAS
2003
IEEE
14 years 22 days ago
2003
IEEE
In this paper, a robust and efficient digital image watermarking algorithm using the fast Hadamard transform (FHT) is proposed for the copyright protection of digital images. This...
KDD
2001
ACM
14 years 7 months ago
2001
ACM
The problem of similarity search (query-by-content) has attracted much research interest. It is a difficult problem because of the inherently high dimensionality of the data. The ...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
Recently, the conventional lifting scheme that is widely used for the construction of Wavelets and 2-channel filter banks has been extended to M-channel filter banks (M > 2)....
ICMCS
2006
IEEE
14 years 1 months ago
2006
IEEE
The distribution of the wavelet coefficients in 2-D discrete wavelet transform (DWT) subspaces can be well described by a Gaussian mixture statistical model. In this paper, a secr...
CSSC
2008
13 years 7 months ago
2008
The decorrelating property of the discrete wavelet transformation (DWT) appears valuable because one can avoid estimating the correlation structure in the original data space by b...