Impairment metrics for digital video and their role in objective quality assessment

Jorge Caviedes, Antoine Drouot, Arnaud Gesnot, Laurent Rouvellou

Research output: Contribution to journalConference article

8 Citations (Scopus)

Abstract

In this paper we discuss work on quantification of video impairments resulting from MPEG compression, their role, and their scope of application for objective quality assessment. Three impairment metrics, blocking artifact level, ringing artifact level, and corner outlier artifact level have been used to create a combined impairment metric. The relevance of this metric to develop an objective quality assessment has been investigated, as well as the issues facing the creation of a no-reference quality metric. The main issues are overall metric completeness, and performance of the individual metric components. The impairment metrics that we have studied appear to be key components for future no-reference type of objective quality metrics. Impairment metrics are also of great importance because they allow closing the detect-measure-correct loop that is necessary to improve image quality in real time. Applications of single-ended quality metrics include multimedia home terminals, STBs, digital TV, and low bit-rate video applications such as IP videotelephony and video streaming over IP.

Original languageEnglish (US)
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume4067
StatePublished - Jan 1 2000
Externally publishedYes
EventVisual Communications and Image Processing 2000 - Perth, Aust
Duration: Jun 20 2000Jun 23 2000

Fingerprint

Digital Video
Quality Assessment
impairment
Metric
artifacts
Video streaming
Image quality
multimedia
closing
completeness
Video Streaming
Image Quality
Quantification
Outlier
Multimedia
Completeness
Compression

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Impairment metrics for digital video and their role in objective quality assessment. / Caviedes, Jorge; Drouot, Antoine; Gesnot, Arnaud; Rouvellou, Laurent.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 4067, 01.01.2000.

Research output: Contribution to journalConference article

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