69 search results - page 5 / 14 » Image Denoising Using Derotated Complex Wavelet Coefficients |
TIP
2008
14 years 9 months ago
2008
Abstract--We propose a vector/matrix extension of our denoising algorithm initially developed for grayscale images, in order to efficiently process multichannel (e.g., color) image...
ISCAS
2007
IEEE
15 years 3 months ago
2007
IEEE
— In this paper, a modified version of the complex directional pyramid (PDTDFB) is proposed. Unlike the previous approach, the new FB provides an approximately tight-frame decom...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
In this paper, we present a new image denoising method based on adaptive subband decomposition (or adaptive wavelet transform) in which the filter coefficients are updated accordi...
MICCAI
2003
Springer
15 years 10 months ago
2003
Springer
De-noising of SPECT and PET images is a challenging task due to the inherent low signal-to-noise ratio of acquired data. Wavelet based multiscale denoising methods typically apply ...
ICIP
2000
IEEE
15 years 11 months ago
2000
IEEE
New rotationally invariant texture feature extraction methods are introduced that utilise the dual tree complex wavelet transform (DT-CWT). The complex wavelet transform is a new ...