204 search results - page 30 / 41 » Shift-invariance in the Discrete Wavelet Transform |
ICIP
2002
IEEE
14 years 12 days ago
2002
IEEE
—Several techniques based on the three–dimensional (3-D) discrete cosine transform (DCT) have been proposed for volumetric data coding. These techniques fail to provide lossles...
ICIP
1999
IEEE
13 years 11 months ago
1999
IEEE
by 0. In the discrete Fourier transform (DFT) domain, We propose a hybrid approach to wavelet-based image deconvolution that comprises Fourier-domain system inversion followed by w...
SPIESR
1998
13 years 8 months ago
1998
An approach to embedding gray scale images using a discrete wavelet transform is proposed. The proposed scheme enables using signature images that could be as much as 25% of the h...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
In this paper, an efficiently DWT-based watermarking technique is proposed to embed signatures in images to attest the owner identification and discourage the unauthorized copying...
ICIP
2008
IEEE
14 years 9 months ago
2008
IEEE
A progressive image compression scheme is investigated using reversible integer discrete cosine transform (RDCT) which is derived from the matrix factorization theory. Previous te...