An HDTV Digital Camera Processor

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
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
Link: https://doi.org/10.5594/J09649
Author(s): T. Leacock, R. Topper, J. Hacke, L. Dischert, L. Waller, A. Zortea

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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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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

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<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>