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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN 印刷: 0040-2508
ISSN オンライン: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v69.i19.10
pages 1681-1702

A METHOD FOR AUTOMATIC BLIND ESTIMATION OF ADDITIVE NOISE VARIANCE IN DIGITAL IMAGES

V. V. Lukin
National Aerospace University (Kharkiv Aviation Institute), 17 Chkalov St., Kharkiv, 61070, Ukraine
S. K. Abramov
Department of Transmitters, Receivers and Signal Processing, National Aerospace University (Kharkiv Aviation Institute), 17 Chkalov St., Kharkiv, 61070, Ukraine
A. V. Popov
National Aerospace University (Kharkov Aviation Institute), Kharkiv, Ukraine
P. Ye. Eltsov
National Aerospace University (Kharkov Aviation Institute), Kharkiv, Ukraine
Benoit Vozel
University of Rennes 1, Enssat, Lannion, 22300, France
Kacem Chehdi
University of Rennes I, 6, Rue de Kerampont, 22 305 Lannion cedex, BP 80518, France

要約

An automatic method for blind evaluation of additive noise in digital image based on image pre-segmentation, Gaussianity test, and minimal inter-quantile processing of a set of local variance estimates in blocks is proposed. The purposes all aforementioned operations are applied for are discussed. Their joint use allows removing abnormal local estimates that can arise due to image content heterogeneity in blocks and clipping effects that may occur due to several reasons. The proposed method is tested for components of color images in TID2008 database and it is shown to perform accurately enough for most of them.


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