257 search results - page 2 / 52 » A Comparative Simulation Study of Wavelet Based Denoising Al... |
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
Signal processing using over-complete representations has been an active research field in recent years. In this article, we study the following two related problems: (1) given tw...
ICIP
2005
IEEE
14 years 7 months ago
2005
IEEE
In this paper, a nonparametric Bayesian estimator in the wavelet domain using the Bessel K Form (BKF) distribution will be presented. Our first contribution is to show how the BKF...
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 ...
ICMCS
2006
IEEE
14 years 1 days ago
2006
IEEE
In this paper, we introduce a new robust image watermarking technique based on the Discrete Wavelet Transform (DWT). The proposed method extends the concept of image denoising to ...
VIS
2004
IEEE
14 years 7 months ago
2004
IEEE
Noise reduction is an important preprocessing step for many visualization techniques that make use of feature extraction. We propose a method for denoising 2-D vector fields that ...