NDLI: A no-reference color video quality metric based on a 3D multispectral wavelet transform

Content Provider	IEEE Xplore Digital Library
Author	Maalouf, A. Larabi, M.-C.
Copyright Year	2010
Description	Author affiliation: XLIM Laboratory, Department of Signal, Image and Communication, UMR CNRS 6172, University of Poitiers, SP2MI-2 Bd Marie et Pierre Curie, PO Box 30179, 86962 Futuroscope Chasseneuil, France (Maalouf, A.; Larabi, M.-C.)
Abstract	In this work, a no reference objective color video quality assessment metric is presented. First, a multi-valued 3D subband wavelet decomposition is defined. This wavelet representation is used to decompose the video sequence in order to describe the different channels in the human visual system (HVS). Thereafter, based on the properties of the HVS, a perceptual mask that integrates spatio-temporal contrast sensitivity function (CSF) and luminance sensitivity is applied to each wavelet band. Then, we define a flow tensor between successive frames. This flow tensor is weighted by the perceptual mask and is used to define a NR color video quality metric. Particularly, based on the eigenvalues and eigenvectors of the flow tensor, we study the inter-frame coherence and the sharpness of edges in the successive frames. Experiments performed on video sequences indicate that the objective scores obtained by the proposed metric agree well with the subjective assessment scores.
Starting Page	11
Ending Page	16
File Size	215899
Page Count	6
File Format	PDF
ISBN	9781424469598
e-ISBN	9781424469604
DOI	10.1109/QOMEX.2010.5518301
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-21
Publisher Place	Norway
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelet transforms Video sequences Humans Video quality assessment optical flow Visual system Tensile stress Nonlinear distortion Video compression Frequency 3D multi-valued wavelet Quality assessment Colored noise
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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