117 search results - page 3 / 24 » Quaternion wavelets for image analysis and processing |
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
The inefficiency of separable wavelets in representing smooth edges has motivated the researchers to pursue new two dimensional transformations. One of the successful transformat...
ICIP
2006
IEEE
14 years 7 months ago
2006
IEEE
We investigate reducing the dimensionality of image sets by using principal component analysis on wavelet coefficients to maximize edge energy in the reduced dimension images. Lar...
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
We propose a new family of perfect reconstruction, non-redundant, and multiresolution geometrical image transforms using the wavelet transform in conjunction with modified versions...
ICIP
1999
IEEE
14 years 7 months ago
1999
IEEE
Wavelet packets are an effective representation tool for adaptive waveform analysis of a given signal. We first combine the wavelet packet representation with zerotree quantizatio...
ICIP
2001
IEEE
14 years 7 months ago
2001
IEEE
It has been observed from image denoising experiments that translation invariant (TI) wavelet transforms often outperform orthogonal wavelet transforms. This paper compares the tw...