17 search results - page 1 / 4 » Fast Prototype Based Noise Reduction |
SCIA
2009
Springer
13 years 11 months ago
2009
Springer
This paper introduces a novel method for noise reduction in medical images based on concepts of the Non-Local Means algorithm. The main objective has been to develop a method that ...
TMI
2008
13 years 4 months ago
2008
Computed tomography (CT) has a trend towards higher resolution and higher noise. This development has increased the interest in anisotropic smoothing techniques for CT, which aim t...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
Although noise PSD estimation is a crucial part of noise reduction algorithms, most noise PSD estimators have problems in tracking non-stationary noise sources. Recently, a noise ...
SIGGRAPH
1996
ACM
13 years 9 months ago
1996
ACM
Scratches on old films must be removed since these are more noticeable on higher definition and digital televisions. Wires that suspend actors or cars must be carefully erased dur...
IJON
2006
13 years 5 months ago
2006
We propose simple and fast methods based on nearest neighbors that order objects from high-dimensional data sets from typical points to untypical points. On the one hand, we show ...