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SMPTE Journal ( Volume: 101, Issue: 5, May 1992)
[ACTIVE]

Logarithmic A/D Converters Used in Video Signal-Processing Systems

Metadata

Publisher
SMPTE
Doc Type
Journal Article
Article Type
research-article
Abstract
Analog-to-digital (A/D) converters that can be clocked at video rates and that have a logarithmic transfer characteristic between the input and output are now available. Video signal processing using this transfer curve can more closely match the performance of the visual system than normal signal processing. This reduces the visibility of contouring when signals are digitized. It also facilitates the production of color signals that are independent of luminance, thus reducing many of the artifacts in saturated colors. Comparisons are shown on real images between standard processing and improvements that can be achieved by using digital processing of logarithmic signals.
Publication Date
1992-05-01
DOI
10.5594/J02282
Link
https://doi.org/10.5594/J02282
Author(s)
William E. Glenn, Karen Glenn, Terry L. Glatt
Source Data (JSON)

Full registry record with provenance metadata. Open directly: /api/doc/10.5594-J02282.json

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William E. Glenn, Karen Glenn, and Terry L. Glatt; Logarithmic A/D Converters Used in Video Signal-Processing Systems, SMPTE Journal ( Volume: 101, Issue: 5, May 1992); SMPTE, 1992. Available at https://doi.org/10.5594/J02282
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William E. Glenn, Karen Glenn, and Terry L. Glatt; Logarithmic A/D Converters Used in Video Signal-Processing Systems, SMPTE Journal ( Volume: 101, Issue: 5, May 1992); SMPTE, 1992. Available at https://doi.org/10.5594/J02282

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William E. Glenn, Karen Glenn, and Terry L. Glatt; Logarithmic A/D Converters Used in Video Signal-Processing Systems, SMPTE Journal ( Volume: 101, Issue: 5, May 1992); SMPTE, 1992. Available at https://doi.org/10.5594/J02282
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<span class="citation">William E. Glenn, Karen Glenn, and Terry L. Glatt; <cite>Logarithmic A/D Converters Used in Video Signal-Processing Systems</cite>, SMPTE Journal ( Volume: 101, Issue: 5, May 1992); SMPTE, 1992. Available at <a href="https://doi.org/10.5594/J02282" target="_blank" rel="noopener">https://doi.org/10.5594/J02282</a></span>

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William E. Glenn, Karen Glenn, and Terry L. Glatt; Logarithmic A/D Converters Used in Video Signal-Processing Systems, SMPTE Journal ( Volume: 101, Issue: 5, May 1992); SMPTE, 1992
doi: 10.5594/J02282
url: https://doi.org/10.5594/J02282
Snippet:
<li>
William E. Glenn, Karen Glenn, and Terry L. Glatt; <cite id="bib-10-5594-j02282">Logarithmic A/D Converters Used in Video Signal-Processing Systems</cite>, SMPTE Journal ( Volume: 101, Issue: 5, May 1992); SMPTE, 1992
<span class="doi">10.5594/J02282</span>
</li>