930 search results - page 22 / 186 » Adding Gaussian noise to |
150
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ICASSP
2010
IEEE
15 years 5 months ago
2010
IEEE
In this work, we show how expectation maximization based simultaneous channel and noise estimation can be derived without a vector Taylor series expansion. The central idea is to ...
145
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ICIP
2005
IEEE
16 years 7 months ago
2005
IEEE
This paper proposes a real-time method for the reduction of white Gaussian video noise. The method achieves a maximum gain of 4.8 dB and is capable of preserving image content. It...
186
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CVPR
2004
IEEE
15 years 9 months ago
2004
IEEE
In many computer vision algorithms, the well known Euclidean or SSD (sum of the squared differences) metric is prevalent and justified from a maximum likelihood perspective when t...
144
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ICPR
2006
IEEE
16 years 6 months ago
2006
IEEE
A new method for noise reduction using spatiotemporal smoothing is presented in this paper. The method is developed especially for reducing the noise that arises when acquiring vi...
152
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ICA
2007
Springer
15 years 12 months ago
2007
Springer
Abstract. In this paper, a new algorithm for source recovery in underdetermined Sparse Component Analysis (SCA) or atomic decomposition on over-complete dictionaries is presented i...