NDLI: Perceived quality metrics for low bit rate compressed video

Content Provider	IEEE Xplore Digital Library
Author	Masry, M. Hemami, S.S.
Copyright Year	2002
Description	Author affiliation: Sch. of Electr. & Comput. Eng., Cornell Univ., Ithaca, NY, USA (Masry, M.; Hemami, S.S.)
Abstract	The paper presents an objective metric for the perceived quality of low bit rate compressed video. Frames are decomposed into several frequency bands at multiple scales and a motion detection algorithm is used to segment moving and nonmoving regions. The distance between the decompositions of the reference and distorted video sequences is used to estimate a frame distortion. The pooled error across several frames and the correlation between successive estimates of perceived quality are used to estimate the current perceived quality at a rate of 2 samples per second. The results of a subjective evaluation of perceived quality are used to determine the model parameters. The variety of content and coding conditions used in the subjective evaluation permits a wide range of training conditions. The results indicate that the metric can capture many of the features of the measured perceived quality over time.
Sponsorship	IEEE Signal Process. Soc
File Size	310196
File Format	PDF
ISBN	0780376226
ISSN	15224880
DOI	10.1109/ICIP.2002.1038900
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bit rate Video compression Video sequences Frequency Distortion measurement Humans Motion detection Time measurement PSNR Noise measurement
Content Type	Text
Resource Type	Article

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