A Colorimetric Measuring Instrument for Color Television Cameras

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: In the design or evaluation of color television cameras, one of the important considerations is measuring and assessing the reproducibility of colors. However, measurement of signals from the camera and calculations of colorimetric coordinates of reproduced colors is very troublesome. And quantitative assessment of its results also is very difficult because of psychological complexity in color recognition by the human eye. On the other hand, color picture quality needs to be improved in daily broadcasting by eliminating differences between cameras, programs and stations. Therefore, a colorimetric measuring instrument has been developed; it consists of a channel scanner, a picture element pointer, a sample holder, an A-D converter and a small computer. This instrument can automatically estimate the colorimetric distortion caused by a camera with reasonable precision, and quickly enough for the estimation to be applied to succeeding improvement tests. Details of the design of the instrument and the results of testing with cameras are given.
Publication Date: 1971-04-01
DOI: 10.5594/J08904
Link: https://doi.org/10.5594/J08904
Author(s): Toshiya Saito

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Toshiya Saito; A Colorimetric Measuring Instrument for Color Television Cameras, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J08904

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Toshiya Saito; A Colorimetric Measuring Instrument for Color Television Cameras, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J08904

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Toshiya Saito; A Colorimetric Measuring Instrument for Color Television Cameras, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at https://doi.org/10.5594/J08904

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<span class="citation">Toshiya Saito; <cite>A Colorimetric Measuring Instrument for Color Television Cameras</cite>, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971. Available at <a href="https://doi.org/10.5594/J08904" target="_blank" rel="noopener">https://doi.org/10.5594/J08904</a></span>

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Toshiya Saito; A Colorimetric Measuring Instrument for Color Television Cameras, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971
doi: 10.5594/J08904
url: https://doi.org/10.5594/J08904

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<li>
Toshiya Saito; <cite id="bib-10-5594-j08904">A Colorimetric Measuring Instrument for Color Television Cameras</cite>, Journal of the SMPTE ( Volume: 80, Issue: 4, April 1971); SMPTE, 1971
<span class="doi">10.5594/J08904</span>
</li>