Stereo Image Coding: Effects of Stereo Mismatches on Image-Quality

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Publisher: SMPTE — White Plains, NY
Doc Type: Conference Paper
Content Type: Original Research
Volume: 1996, No. 14A, pp. 428–438
Abstract: The present research sought to understand how the human visual system responds to stereo image sequences where the image-quality of the left-and right-eye views differ. Viewers received the left-eye view at a higher quality than the right-eye view, and rated the combined overall subjective quality of the sequence. Three stereo image sequences were used for assessment. Each sequence, in the ITU-601 format, was 10-sec in duration and the images for the left-and right-eye views were coded independently at bit-rates of 6, 3, 2 and 1 Mbits/sec. These were combined in a partial-factorial manner (i.e. left:right, 6:6, 6:3, 6:2, 6:1, 3:3, 3:2, and 3:1). The resulting stereo sequences were viewed by 26 subjects, and rated in terms of subjective image-quality. The rating methodology was based on the double-stimulus continuous-quality scale method described in ITU-R Recommendation 500. The results showed that the subjective quality of a stereo image fell approximately midway between the quality of the left-and right-eye views. For video coding this implies that the human visual system can tolerate discrepancies in the quality of left-and right-eye views in a stereo display. The results are consistent with known properties of binocular vision, in particular with the averaging of brightness of stimuli presented to the two eyes.
Publication Date: 1996-10-01
DOI: 10.5594/M001274
Link: https://doi.org/10.5594/M001274
Author(s): Lew B. StelmachCommunications Research Center 3701 Carling Ave. Ottawa, Ont. K2H 8S2 Canada
W. James TamCommunications Research Center 3701 Carling Ave. Ottawa, Ont. K2H 8S2 Canada
Copyright: © 1996 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

Stereoscopic HDTV: Experimental System and Psychological Effects [Active]
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3. Pastoor S. ( 1991 ) 3D-television: A survey of recent research results on subjective requirements . Signal Processing: Image Communication , 4 , 21 – 32 . EXTERNAL
4. Pastoor S. ( 1993 ) Human factors of 3D displays in advanced image communications . Displays , 14 , 150 – 157 . EXTERNAL
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Lew B. Stelmach and W. James Tam; Stereo Image Coding: Effects of Stereo Mismatches on Image-Quality, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001274

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Lew B. Stelmach and W. James Tam; Stereo Image Coding: Effects of Stereo Mismatches on Image-Quality, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at https://doi.org/10.5594/M001274

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<span class="citation">Lew B. Stelmach and W. James Tam; <cite>Stereo Image Coding: Effects of Stereo Mismatches on Image-Quality</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996. Available at <a href="https://doi.org/10.5594/M001274" target="_blank" rel="noopener">https://doi.org/10.5594/M001274</a></span>

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Lew B. Stelmach and W. James Tam; Stereo Image Coding: Effects of Stereo Mismatches on Image-Quality, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
doi: 10.5594/M001274
url: https://doi.org/10.5594/M001274

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<li>
Lew B. Stelmach and W. James Tam; <cite id="bib-10-5594-m001274">Stereo Image Coding: Effects of Stereo Mismatches on Image-Quality</cite>, SMPTE Meetings and Conferences ( October 1996); SMPTE, 1996
<span class="doi">10.5594/M001274</span>
</li>