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Fast method for noise level estimation and integrated noise reduction

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4 Author(s)
Bosco, A. ; Imaging Group of the Adv. Syst. Technol., ST Microelectronics, Catania, Italy ; Bruna, A. ; Messina, G. ; Spampinato, G.

This paper describes a fast method for noise level estimation and denoising. Specifically, we address the problem of estimating the standard deviation of additive white Gaussian noise in digital images; the computed value is used to reduce Gaussian noise and eliminate defective pixels in a raw digital image. The method is particularly suitable for implementation in low power mobile devices with imaging capabilities such as camera phones, as well as digital still cameras (DSC).

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:51 ,  Issue: 3 )

Date of Publication:

Aug. 2005

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