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SMPTE Journal ( Volume: 64, Issue: 10, October 1955)
[ACTIVE]

The Evaluation and Control of Direct-Reading Color Densitometers

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Color densitometers are used in photographic laboratories for film processing control, printer control, print film evaluation, and negative or intermediate film evaluation. Performance characteristics of interest for a color densitometer include total and operational density range, measuring geometry, linearity, drift, noise, precision and accuracy. The density range must be sufficient to assure satisfactory operation with specified filters. Measuring geometry and linearity are of importance to problems other than process control. Good precision implies freedom from noise and drift. Precision is of particular importance in process or printer control. Accuracy is of importance in making intercomparisons with other instruments and for film evaluation purposes. Satisfactory routine operation of a densitometer is best obtained by means of routine operating checks, maintenance checks, and performance checks. Performance checks may be made using plaques of film or other suitable materials. The plaques may be calibrated to provide precision or accuracy performance checks. Daily checks should be plotted on control charts and may be summarized on long-range trend charts. The controls may also be combined into a single “go no-go” gauge.
Publication Date
1955-10-01
DOI
10.5594/J14010
Link
https://doi.org/10.5594/J14010
Author(s)
W. Lyle Brewer, Murray C. Goddard, Stanley A. Powers
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J14010.json

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W. Lyle Brewer, Murray C. Goddard, and Stanley A. Powers; The Evaluation and Control of Direct-Reading Color Densitometers, SMPTE Journal ( Volume: 64, Issue: 10, October 1955); SMPTE, 1955. Available at https://doi.org/10.5594/J14010
Snippet:
W. Lyle Brewer, Murray C. Goddard, and Stanley A. Powers; The Evaluation and Control of Direct-Reading Color Densitometers, SMPTE Journal ( Volume: 64, Issue: 10, October 1955); SMPTE, 1955. Available at https://doi.org/10.5594/J14010

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W. Lyle Brewer, Murray C. Goddard, and Stanley A. Powers; The Evaluation and Control of Direct-Reading Color Densitometers, SMPTE Journal ( Volume: 64, Issue: 10, October 1955); SMPTE, 1955. Available at https://doi.org/10.5594/J14010
Snippet:
<span class="citation">W. Lyle Brewer, Murray C. Goddard, and Stanley A. Powers; <cite>The Evaluation and Control of Direct-Reading Color Densitometers</cite>, SMPTE Journal ( Volume: 64, Issue: 10, October 1955); SMPTE, 1955. Available at <a href="https://doi.org/10.5594/J14010" target="_blank" rel="noopener">https://doi.org/10.5594/J14010</a></span>

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W. Lyle Brewer, Murray C. Goddard, and Stanley A. Powers; The Evaluation and Control of Direct-Reading Color Densitometers, SMPTE Journal ( Volume: 64, Issue: 10, October 1955); SMPTE, 1955
doi: 10.5594/J14010
url: https://doi.org/10.5594/J14010
Snippet:
<li>
W. Lyle Brewer, Murray C. Goddard, and Stanley A. Powers; <cite id="bib-10-5594-j14010">The Evaluation and Control of Direct-Reading Color Densitometers</cite>, SMPTE Journal ( Volume: 64, Issue: 10, October 1955); SMPTE, 1955
<span class="doi">10.5594/J14010</span>
</li>