15 search results - page 1 / 3 » A directional, shift insensitive, low-redundancy, wavelet tr... |
ICIP
2001
IEEE
14 years 6 months ago
2001
IEEE
Shift variance and poor directional selectivity, two major disadvantages of the discrete wavelet transform, have previously been circumvented either by using highly redundant, non...
BMVC
2002
13 years 7 months ago
2002
The fusion of images is the process of combining two or more images into a single image retaining important features from each. Fusion is an important technique within many dispar...
TIP
2010
12 years 11 months ago
2010
As an effective method for copyright protection of digital products against illegal usage, watermarking in wavelet domain has recently received considerable attention due to the de...
DICTA
2003
13 years 6 months ago
2003
In this paper we review a number of approaches to reducing, or removing, the problem of shift variance in the discrete wavelet transform (DWT). We describe a generalization of the ...
ICIP
2004
IEEE
14 years 6 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...