SMPTE Component-Coded Digital Video — Picture Quality Assessments
Metadata
- Publisher
- SMPTE — White Plains, NY, USA
- Doc Type
- Journal Article
- Content Type
- Original Research
- Abbreviated Title
- J SMPTE
- Volume
- 90, No. 10, pp. 960–967
- Abstract
- Large-scale picture quality assessments of digital video signals have been performed by the SMPTE as part of its efforts to help achieve internationally compatible digital television standards. Observer panels composed of a large number of television specialists examined over 500 still video images using internationally accepted procedures for subjective testing. The experiment was designed to reveal the effects on picture quality of three sampling rates (768, 864, and 912 samples per line) and three chroma ratios (1/1, 1/2, and 1/4) in a system based on Y, R − Y, and B - Y signal components. In addition, a sub-Nyquist luminance rate of 1/2 was examined. Picture quality was judged in three contexts - directly at the system output, in a simulated NTSC environment at the system output, and in a simulated picture processing environment at the system output using color matting and picture expansion as the principal processes. Results show chroma ratios to be more important than sampling rate for direct display and color matte systems. When interfaced with the NTSC system, quality distinctions between chroma ratios are obscured. Even the sub-Nyquist rate produces picture quality comparable to NTSC. Given the complexity of organizing experiments of this nature, it seems unlikely they will be repeated in the near future. The results reported here are therefore unique and should be valuable in planning future digital television systems.
- Publication Date
- 1981-10-01
- DOI
10.5594/J01363- ISSN
- Print:
0036-1682 - Link
- https://doi.org/10.5594/J01363
- Author(s)
- David BennettCanadian Broadcasting Corp., Montreal, Quebec, Canada.
- Copyright
- © 1981 Society of Motion Picture and Television Engineers, Inc.
Bibliographic Reference(s)
- 1. CCIR (International Radio Consultative Committee) (1974–1978): XI Recommendation 500-1, “Method for the Subjective Assessment of the Quality of Television Pictures.” . EXTERNAL
- 2. European Broadcasting Union, Draft Report GTV032 to CCIR Study Group , “Subjective Assessment of the Quality of Television Pictures — Method recommended by the EBU.” . EXTERNAL
- 3. Davidoff F. , “First Component-Coded Digital Video Demonstration” Information Manual for Presentations and Assessments, SMPTE Working Document, SMPTE, February 1981 . unpublished. EXTERNAL
- 4. Ishihara S. , “Tests for Color-Blindness,” 38 plates edition, 1979 , Kanehara Shuppan Co., Ltd. , Tokyo, Japan . EXTERNAL
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David Bennett; SMPTE Component-Coded Digital Video — Picture Quality Assessments, SMPTE Journal ( Volume: 90, Issue: 10, October 1981); SMPTE, 1981. Available at https://doi.org/10.5594/J01363
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David Bennett; SMPTE Component-Coded Digital Video — Picture Quality Assessments, SMPTE Journal ( Volume: 90, Issue: 10, October 1981); SMPTE, 1981. Available at https://doi.org/10.5594/J01363
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David Bennett; SMPTE Component-Coded Digital Video — Picture Quality Assessments, SMPTE Journal ( Volume: 90, Issue: 10, October 1981); SMPTE, 1981. Available at https://doi.org/10.5594/J01363
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<span class="citation">David Bennett; <cite>SMPTE Component-Coded Digital Video — Picture Quality Assessments</cite>, SMPTE Journal ( Volume: 90, Issue: 10, October 1981); SMPTE, 1981. Available at <a href="https://doi.org/10.5594/J01363" target="_blank" rel="noopener">https://doi.org/10.5594/J01363</a></span>
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David Bennett; SMPTE Component-Coded Digital Video — Picture Quality Assessments, SMPTE Journal ( Volume: 90, Issue: 10, October 1981); SMPTE, 1981
doi: 10.5594/J01363
url: https://doi.org/10.5594/J01363
doi: 10.5594/J01363
url: https://doi.org/10.5594/J01363
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<li> David Bennett; <cite id="bib-10-5594-j01363">SMPTE Component-Coded Digital Video — Picture Quality Assessments</cite>, SMPTE Journal ( Volume: 90, Issue: 10, October 1981); SMPTE, 1981 <span class="doi">10.5594/J01363</span> </li>