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SMPTE Journal ( Volume: 103, Issue: 9, September 1994)
[ACTIVE]

An HDTV Digital Camera Processor

Metadata

Publisher
SMPTE — White Plains, NY, USA
Doc Type
Journal Article
Content Type
Original Research
Volume
103, No. 9, pp. 580–585
Abstract
This article describes a fully digital high-definition television (HDTV) camera processor. The experimental processor was developed as part of a continuing effort to investigate digital video processing for HDTV. Since digital conversion is done close to the imager in the processing chain, the implementation of camera processes is accurately calculated, stable, and easily adjusted for user preferences. Much of the processing calculation is accomplished in software using an embedded controller. Nonlinear transfer curves such as gamma correction and dynamic “knees” are implemented in continuous curves instead of the usual linear piecewise approximations. Early digitization also allows more sophisticated shading and color balance. In addition, a novel adaptive enhancement automatically selects contours to improve color detail in scene areas that are not predominantly green.
Publication Date
1994-09-01
DOI
10.5594/J09649
ISSN
Print: 0036-1682
Link
https://doi.org/10.5594/J09649
Author(s)
T. LeacockMatsushita Applied Research Laboratory, Burlington, NJ 08016
R. TopperMatsushita Applied Research Laboratory, Burlington, NJ 08016
J. HackeMatsushita Applied Research Laboratory, Burlington, NJ 08016
L. DischertMatsushita Applied Research Laboratory, Burlington, NJ 08016
L. WallerMatsushita Applied Research Laboratory, Burlington, NJ 08016
A. ZorteaMatsushita Applied Research Laboratory, Burlington, NJ 08016
Copyright
© 1994 Society of Motion Picture and Television Engineers, Inc.

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T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, and A. Zortea; An HDTV Digital Camera Processor, SMPTE Journal ( Volume: 103, Issue: 9, September 1994); SMPTE, 1994. Available at https://doi.org/10.5594/J09649
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T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, and A. Zortea; An HDTV Digital Camera Processor, SMPTE Journal ( Volume: 103, Issue: 9, September 1994); SMPTE, 1994. Available at https://doi.org/10.5594/J09649

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T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, and A. Zortea; An HDTV Digital Camera Processor, SMPTE Journal ( Volume: 103, Issue: 9, September 1994); SMPTE, 1994. Available at https://doi.org/10.5594/J09649
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<span class="citation">T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, and A. Zortea; <cite>An HDTV Digital Camera Processor</cite>, SMPTE Journal ( Volume: 103, Issue: 9, September 1994); SMPTE, 1994. Available at <a href="https://doi.org/10.5594/J09649" target="_blank" rel="noopener">https://doi.org/10.5594/J09649</a></span>

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Preview:
T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, and A. Zortea; An HDTV Digital Camera Processor, SMPTE Journal ( Volume: 103, Issue: 9, September 1994); SMPTE, 1994
doi: 10.5594/J09649
url: https://doi.org/10.5594/J09649
Snippet:
<li>
T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, and A. Zortea; <cite id="bib-10-5594-j09649">An HDTV Digital Camera Processor</cite>, SMPTE Journal ( Volume: 103, Issue: 9, September 1994); SMPTE, 1994
<span class="doi">10.5594/J09649</span>
</li>