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SMPTE Journal ( Volume: 106, Issue: 2, February 1997)
[ACTIVE]

Continuous Assessment of Image Quality

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Abbreviated Title
SMPTE J
Volume
106, No. 2, pp. 123–128
Abstract
This paper addresses the question of whether subjects are able to assess the perceived time-varying quality of video sequences continuously. To this end, a method is used in which subjects continuously indicate the perceived image quality by moving a slider along a graphical scale. The slider's position on this scale is sampled at a constant rate of typically 1/sec. The temporal variations of the assessed quality of one particular sequence are compared with the results of another experiment in which the image quality of very short palindromically presented fragments of the video sequence was rated separately on a graphical scale. The results show that subjects can monitor image-quality variations almost instantaneously.
Publication Date
1997-02-01
DOI
10.5594/J15812
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J15812
Author(s)
Huib de RidderInstitute for Perception Research (IPO), Eindhoven, The Netherlands
bio
Huib de Ridder holds an M.Sc. degree in psychology from the University of Amsterdam and a Ph.D. from Eindhoven University of Technology. He has been affiliated with the Vision Group of the Institute for Perception Research (IPO) since 1982, where his research focuses on both fundamental and applied psychophysics and psycho-metrics. From 1987 to 1992 his research on the fundamentals of perceptual image quality metrics was supported by a personal fellowship from the Royal Netherlands Academy of Arts and Sciences. Dr. de Ridder's current research interests include the development of new techniques for evaluating static and dynamic images, the multidimensional analysis of image quality, the optimization of color reproduction, and the subjective evaluation of stereoscopic displays.
Roelof HambergInstitute for Perception Research (IPO), Eindhoven, The Netherlands
bio
Roelof Hamberg holds an M.Sc. degree in theoretical physics from the University of Utrecht and a Ph.D. in second order renormalization problems in quantum chromo dynamics from the University of Leiden. In 1992 he joined IPO, where he worked on perceptually relevant, quantitative modeling of certain artifacts in display systems, such as local and global color uniformity, moiré, loss of contrast through internal and external scattering, and geometry deformations. Recently he has become involved in the development of new evaluation techniques, in which display systems can be evaluated both swiftly and reliably.
Copyright
© 1997 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

  • The Validity of CCIR Quality Indicators Along a Graphical Scale [Active]
  • 1. Roufs J. A. J. , “Perceptual Image Quality: Concept and Measurement,” Philips J. Res. , 47 : 35 – 62 , 1992 . EXTERNAL
  • 10. Hamberg R. de Ridder H. , “Continuous Assessment of Perceptual Image Quality,” J. Optical Society of America , 12 : 2573 – 2577 , 1995 . EXTERNAL
  • 11. This research was carried out as part of the European RACE project MOSAIC (Methods for Optimization and Subjective Assessment in Image Communications), which focuses on evaluation methods of digital imaging systems. EXTERNAL
  • 13. Chatfield C. , Statistics for Technology , 3rd ed. Chapman and Hall : London , 1983 . EXTERNAL
  • 14. The response R(t) at time t is expressed in terms of several quality impressions Q(t′) at different times t′, where ueq If one excludes anticipatory behavior, then t0 should be larger or equal to zero, because the response cannot precede the quality impression. EXTERNAL
  • 15. SAS/STAT User Guide , Version 6. 4th ed. SAS Institute Inc. , Cary, N.C. , 1993. EXTERNAL
  • 2. ITU/R Rec. 500–5, Method for the Subjective Assessment of the Quality of Television Pictures, 1992. EXTERNAL
  • 3. Allnatt J. W. , Transmtted-Piclure Assessment , John Wiley and Sons : New York , 1983 . EXTERNAL
  • 4. de Ridder H. Majoor G. M. M. , “Numerical Category Scaling: An Efficient Method for Assessing Digital Image Coding Impairments,” in Human Vision and Electronic Imaging: Models, Methods, and Applications , Rogowitz B. E. Allebach J. P. , eds., SPIE , 1249 : 65 – 77 . 1990 . EXTERNAL
  • 5. Lodge N. K. , “Interpolative Coding Methods for the Digital Transmission of Conventional and High Definition Television,” Ph.D. thesis, Heriot-Watt University , Edinburgh , 1993 . EXTERNAL
  • 6. Recency effect, typically defined as a recall advantage for the most recently presented material, has a long history within the psychological literature7 and is usually associated with short-term or working memory operations. EXTERNAL
  • 7. Baddeley A. D. , Working Memory , Oxford University Press : Oxford, U.K. , 1986 . EXTERNAL
  • 8. Seferidis V. Ghanbari M. Pearson D. E. , “Forgiveness Effect in Subjective Assessment of Packet Video,” Electronics Letters , 28 : 2013 – 2014 , 1992 . EXTERNAL
  • 9. Aldridge R. Davidoff J. Ghanbari M. Hands D. Pearson D. “Recency Effect in the Subjective Assessment of Digitally-Coded Television Pictures,” 5th IEE Intl. Conf. on Image Processing and Its Applications, pp. 336 – 339 , Edinburgh, U.K. July 4–6, 1995 . EXTERNAL
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Huib de Ridder and Roelof Hamberg; Continuous Assessment of Image Quality, SMPTE Journal ( Volume: 106, Issue: 2, February 1997); SMPTE, 1997. Available at https://doi.org/10.5594/J15812
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Huib de Ridder and Roelof Hamberg; Continuous Assessment of Image Quality, SMPTE Journal ( Volume: 106, Issue: 2, February 1997); SMPTE, 1997. Available at https://doi.org/10.5594/J15812

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<span class="citation">Huib de Ridder and Roelof Hamberg; <cite>Continuous Assessment of Image Quality</cite>, SMPTE Journal ( Volume: 106, Issue: 2, February 1997); SMPTE, 1997. Available at <a href="https://doi.org/10.5594/J15812" target="_blank" rel="noopener">https://doi.org/10.5594/J15812</a></span>

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Huib de Ridder and Roelof Hamberg; Continuous Assessment of Image Quality, SMPTE Journal ( Volume: 106, Issue: 2, February 1997); SMPTE, 1997
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Huib de Ridder and Roelof Hamberg; <cite id="bib-10-5594-j15812">Continuous Assessment of Image Quality</cite>, SMPTE Journal ( Volume: 106, Issue: 2, February 1997); SMPTE, 1997
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