NDLI: A Full-Reference Quality Metric for Geometrically Distorted Images

Content Provider	IEEE Xplore Digital Library
Author	D'Angelo, A. Li Zhaoping Barni, M.
Copyright Year	1992
Abstract	In multimedia applications, there has been an increasing interest in the use of quality measures based on human perception; however, research has not dealt with distortions due to geometric transformations. In this paper, we propose a method to objectively assess the perceptual quality of geometrically distorted images, based on image features processed by human vision. The proposed approach is a full-reference image quality metric focusing on the problem of local geometric distortions and is based on the use of Gabor filters that have received considerable attention because the characteristics of certain cells in the visual cortex of some mammals can be approximated by these filters. The novelty of the proposed technique is that it considers both the displacement field describing the distortion and the structure of the image. The experimental results show the good performances of the proposed metric.
Sponsorship	IEEE Signal Processing Society
Page Count	15
File Size	1236652
Starting Page	867
Ending Page	881
File Format	PDF
ISSN	10577149
Volume Number	19
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Humans Image quality Watermarking Gabor filters Degradation Image coding Image storage Distortion measurement Anthropometry Visual system perceptual quality Geometric distortions human visual system (HVS) image quality assessment
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

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