41 search results - page 4 / 9 » Image Modeling Using Interscale Phase Properties of Complex ... |
CVPR
2007
IEEE
15 years 11 months ago
2007
IEEE
This paper proposes a novel model-guided segmentation framework utilizing a statistical surface wavelet model as a shape prior. In the model building process, a set of training sh...
ICIP
2004
IEEE
15 years 11 months ago
2004
IEEE
Using the concepts of two-dimensional Hilbert transform and analytic signal, we construct a new quaternion wavelet transform (QWT). The QWT forms a tight frame and can be efficien...
TIP
2002
14 years 9 months ago
2002
Abstract--This paper presents a new wavelet-based image denoising method, which extends a recently emerged "geometrical" Bayesian framework. The new method combines three...
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
Overcomplete transforms, like the Dual-Tree Complex Wavelet Transform, offer more flexible signal representations than critically-sampled transforms, due to their properties of sh...
ICIP
2003
IEEE
15 years 11 months ago
2003
IEEE
This paper proposes a new method of designing finitesupport wavelet filters, based on minimization of energy in key parts of the frequency domain. In particular this technique is ...