355 search results - page 9 / 71 » Image Compression with Geometrical Wavelets |
ICIP
2006
IEEE
14 years 8 months ago
2006
IEEE
Despite the popularity of wavelet-based image compression, its error inhomogeneity - the error that is different for even and odd pixel locations, has not been previously analyzed...
ICIP
2000
IEEE
14 years 8 months ago
2000
IEEE
This paper describes methods for adapting the scanning order through wavelet transform values used in the Wavelet Difference Reduction (WDR) algorithm of Tian and Wells. These new...
VLSISP
1998
13 years 6 months ago
1998
In this paper, we present preliminary results comparing the nature of the errors introduced by the mixture of principal components (MPC) model with a wavelet transform and the Karh...
ISVLSI
2002
IEEE
13 years 12 months ago
2002
IEEE
Wavelet-based video compression can provide improved codec and bit rates. The shift-variance problem of the discrete wavelet transform on image sequences, however, may cause large...
TIP
1998
13 years 6 months ago
1998
This paper examines the relationship between wavelet-based image processing algorithms and variational problems. Algorithms are derived as exact or approximate minimizers of varia...