Subjective Rating of Visible Aliasing in Color Television Tubes and Comparison with a Theoretical Model

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Publisher: SMPTE — White Plains, NY, USA
Doc Type: Journal Article
Content Type: Original Research
Abbreviated Title: SMPTE J
Volume: 108, No. 5, pp. 263–269
Abstract: In color television tubes, the selecting device for the component colors acts as a sampling device of the signal that may result in a beat between the periodicity of the selecting device and the signal. For example, in shadow mask technology, the selecting device is the mask itself. This beat limits the bandwidth of the signal that can be correctly reproduced, and this limit cannot be evaluated by a straightforward application of the sampling theory because of involved nonlinear factors and subjective aspects that must be considered. An experimental exploration concerning subjective judgement of the visibility of aliasing was performed. The results were compared with a theoretical model developed to predict the visual impact of aliasing during the design phase. The comparison seems to be satisfying at the level of accuracy available. It was confirmed that many elements constituting the display system should be considered if the aliasing artifact has to be reduced. The aliasing can be predicted and kept as low as possible by a comprehensive design of the shadow mask, the gun characteristics, and the video amplifier bandwidth, depending on viewing distance, supported video standard, and cost considerations, etc.
Publication Date: 1999-05-01
DOI: 10.5594/J14024
ISSN: Print: 0036-1682
Link: https://doi.org/10.5594/J14024
Author(s): Gaetano CaronnaThomson Multimedia Europe Tubes Division, Anagni, Italy
Pierluigi TestaUniversity of Rome, “La Sapienza,” Rome, Italy
Copyright: © 1999 Society of Motion Picture and Television Engineers, Inc.

Bibliographic Reference(s)

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Gaetano Caronna and Pierluigi Testa; Subjective Rating of Visible Aliasing in Color Television Tubes and Comparison with a Theoretical Model, SMPTE Journal ( Volume: 108, Issue: 5, May 1999); SMPTE, 1999. Available at https://doi.org/10.5594/J14024

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Gaetano Caronna and Pierluigi Testa; Subjective Rating of Visible Aliasing in Color Television Tubes and Comparison with a Theoretical Model, SMPTE Journal ( Volume: 108, Issue: 5, May 1999); SMPTE, 1999. Available at https://doi.org/10.5594/J14024

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<span class="citation">Gaetano Caronna and Pierluigi Testa; <cite>Subjective Rating of Visible Aliasing in Color Television Tubes and Comparison with a Theoretical Model</cite>, SMPTE Journal ( Volume: 108, Issue: 5, May 1999); SMPTE, 1999. Available at <a href="https://doi.org/10.5594/J14024" target="_blank" rel="noopener">https://doi.org/10.5594/J14024</a></span>

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Gaetano Caronna and Pierluigi Testa; <cite id="bib-10-5594-j14024">Subjective Rating of Visible Aliasing in Color Television Tubes and Comparison with a Theoretical Model</cite>, SMPTE Journal ( Volume: 108, Issue: 5, May 1999); SMPTE, 1999
<span class="doi">10.5594/J14024</span>
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