Cited by 94Image and Video Quality AssessmentVideo Coding and Compression TechnologiesAdvanced Data Compression Techniques

A scalable wavelet-based video distortion metric and applications

Masry, M., Hemami, S.S., Sermadevi, Y.·2006·IEEE Transactions on Circuits and Systems for Video Technology

Abstract

Video distortion metrics based on models of the human visual system have traditionally used comparisons between the distorted signal and a reference signal to calculate distortions objectively. In video coding applications, this is not prohibitive. In quality monitoring applications, however, access to the reference signal is often limited. This paper presents a computationally efficient video distortion metric that can operate in full- or reduced-reference mode as required. The metric is based on a model of the human visual system implemented using the wavelet transform and separable filters. The visual model is parameterized using a set of video frames and the associated quality scores. The visual model's hierarchical structure, as well as the limited impact of fine scale distortions on quality judgments of severely impaired video, are exploited to build a framework for scaling the bitrate required to represent the reference signal. Two applications of the metric are also presented. In the first, the metric is used as the distortion measure in a rate-distortion optimized rate control algorithm for MPEG-2 video compression. The resulting compressed video sequences demonstrate significant improvements in visual quality over compressed sequences with allocations determined by the TM5 rate control algorithm operating with MPEG-2 at the same rate. In the second, the metric is used to estimate time series of objective quality scores for distorted video sequences using reference bitrates as low as 10 kb/s. The resulting quality scores more accurately model subjective quality recordings than do those estimated using the mean squared error as a distortion metric, while requiring a fraction of the bitrate used to represent the reference signal. The reduced-reference metric's performance is comparable to that of the full-reference metrics tested in the first Video Quality Experts Group evaluation.

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Crossref · 10.1109/tcsvt.2005.861946

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Authors
Masry, M., Hemami, S. S., & Sermadevi, Y.
Affiliations
  • Cornell University (US)
  • Microsoft (United States) (US)
Venue
IEEE Transactions on Circuits and Systems for Video Technology
Published
2006-02
Volume
16
Issue
2
Pages
260-273
ISSN
1051-8215 (ISSN-L)
OpenAlex
W2163160830
Cited by
94
References
43
Citations by year
2024: 1 · 2022: 1 · 2020: 1 · 2019: 2 · 2018: 2 · 2017: 2 · 2016: 7 · 2015: 8 · 2014: 5 · 2013: 10 · 2012: 11
FWCI
7.47
Type
journal article
Language
en
Open access
closed
Locations
IEEE Transactions on Circuits and Systems for Video Technology (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Image and Video Quality Assessment
  • Physical Sciences › Computer Science › Signal Processing › Video Coding and Compression Technologies
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Data Compression Techniques
Keywords
human visual system model, wavelet transform, separable filters, reduced-reference quality assessment, full-reference quality assessment, rate-distortion optimization, rate control, low bit rate video, video quality monitoring

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