120 search results - page 7 / 24 » Spatial Adaptive Wavelet Thresholding for Image Denoising |
ISBI
2004
IEEE
15 years 10 months ago
2004
IEEE
This paper presents preliminary results on the fusion of denoised PET and SPECT data volumes from brushlet and wavelet thresholding methods. Texture-based brushlet denoising is we...
ICMCS
2006
IEEE
15 years 3 months ago
2006
IEEE
Different denoising schemes show dissimilar types of artifacts. For example, certain transform-based denoising schemes could introduce artifacts in smooth regions while others eli...
ICIP
1994
IEEE
15 years 11 months ago
1994
IEEE
The high noise sensitivity of the Wigner distribution makes smoothing a necessity for producing readable time-frequency images of noise corrupted signals. Since h e a r smoothing ...
ICIP
2009
IEEE
14 years 7 months ago
2009
IEEE
This article introduces a best basis search algorithm in a nonstationary (NS) wavelet packets dictionary. It computes an optimized labeled quad-tree that indexes the filters used ...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
We propose a two component method for denoising multidimensional signals, e.g. images. The first component uses a dynamic programing algorithm of complexity O(N log N) to find an ...