402 search results - page 3 / 81 » Document Image Enhancement Using Directional Wavelet |
DCC
2010
IEEE
14 years 14 days ago
2010
IEEE
In lifting-based directional wavelet transforms, different subsampling patterns may show significant difference for directional signals in image coding. This paper investigates t...
TIP
2010
13 years 9 days 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...
BMVC
2002
13 years 8 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...
ICIP
2001
IEEE
14 years 7 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...
TIP
2008
13 years 5 months ago
2008
Denoising is always a challenging problem in natural imaging and geophysical data processing. In this paper we consider the denoising of texture images using a nonlinear reaction-...