The Luminance-Difference Threshold in Viewing Projected Pictures

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: The luminance-difference threshold has been determined as a function of luminance for viewing conditions similar to those recommended by the ASA for the projection of professional motion pictures. A stimulus subtending an angle of 0.5° was superimposed briefly upon various areas within typical photographic reproductions. The effective presentation time for each stimulus was about 1 second, which is near the maximum fixation time commonly occurring in the viewing of scenes and pictures. The mean luminance-difference threshold for relatively bright areas within the test scenes was found to be equivalent to a density difference of 0.015. The results indicate the nature of the dependence of the luminance-difference threshold upon the luminance of the test area and upon the luminance of surrounding areas.
Publication Date: 1960-04-01
DOI: 10.5594/J14394
Link: https://doi.org/10.5594/J14394
Author(s): E. J. Breneman

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E. J. Breneman; The Luminance-Difference Threshold in Viewing Projected Pictures, Journal of the SMPTE ( Volume: 69, Issue: 4, April 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J14394

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E. J. Breneman; The Luminance-Difference Threshold in Viewing Projected Pictures, Journal of the SMPTE ( Volume: 69, Issue: 4, April 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J14394

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E. J. Breneman; The Luminance-Difference Threshold in Viewing Projected Pictures, Journal of the SMPTE ( Volume: 69, Issue: 4, April 1960); SMPTE, 1960. Available at https://doi.org/10.5594/J14394

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<span class="citation">E. J. Breneman; <cite>The Luminance-Difference Threshold in Viewing Projected Pictures</cite>, Journal of the SMPTE ( Volume: 69, Issue: 4, April 1960); SMPTE, 1960. Available at <a href="https://doi.org/10.5594/J14394" target="_blank" rel="noopener">https://doi.org/10.5594/J14394</a></span>

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E. J. Breneman; The Luminance-Difference Threshold in Viewing Projected Pictures, Journal of the SMPTE ( Volume: 69, Issue: 4, April 1960); SMPTE, 1960
doi: 10.5594/J14394
url: https://doi.org/10.5594/J14394

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<li>
E. J. Breneman; <cite id="bib-10-5594-j14394">The Luminance-Difference Threshold in Viewing Projected Pictures</cite>, Journal of the SMPTE ( Volume: 69, Issue: 4, April 1960); SMPTE, 1960
<span class="doi">10.5594/J14394</span>
</li>