51 search results - page 1 / 11 » Image denoising using multiscale directional cosine bases |
ICIP
2005
IEEE
13 years 11 months ago
2005
IEEE
Motivated by the fact that in images, there is usually a presence of local strongly oriented harmonics, a representation which is both well-localised in frequency and orientation ...
ICIP
2007
IEEE
14 years 7 months ago
2007
IEEE
Directional information is an important component of both natural and synthetic images, and it is exploited in many image processing applications. Directional basis analysis is us...
ICIP
2002
IEEE
14 years 6 months ago
2002
IEEE
In this paper, a concept called multiscale structure tensor is introduced, as an extension of the single-scale structure tensor. It is based on a redundant dyadic wavelet transfor...
TIP
2010
2010
The Discrete Shearlet Transform: A New Directional Transform and Compactly Supported Shearlet Frames
13 years 3 months ago
It is now widely acknowledged that analyzing the intrinsic geometrical features of the underlying image is essential in many applications including image processing. In order to a...
MICCAI
2003
Springer
14 years 6 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 ...