Fast method for noise level estimation and integrated noise reduction

被引：23
|
作者：
Bosco, A [1 ]
Bruna, A [1 ]
Messina, G [1 ]
Spampinato, G [1 ]
机构：
[1] STMicroelect, Imaging Grp Adv Syst Technol, Catania Lab, Catania, Italy
来源：
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 2005年 / 51卷 / 03期
关键词：
noise level estimation; noise reduction; defect correction;
D O I：
10.1109/TCE.2005.1510518
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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).
引用
收藏
页码：1028 / 1033
页数：6
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