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A New Operational Method for Estimating Noise in Hyperspectral Images

✍ Scribed by Lian-Ru Gao; Bing Zhang; Xia Zhang; Wen-Juan Zhang; Qing-Xi Tong


Book ID
114572826
Publisher
IEEE
Year
2008
Tongue
English
Weight
427 KB
Volume
5
Category
Article
ISSN
1545-598X

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Rank et al. have proposed an algorithm for estimating image noise variance composed of the following three steps: the noisy image is first filtered by a difference operator; a histogram of local signal variances is then computed; and, finally the noise variance is estimated from a statistical evalua