HDTV Bandwidth Reduction by Adaptive Subsampling and Motion-Compensation DATV Techniques

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Publisher: SMPTE
Doc Type: Journal Article
Article Type: research-article
Abstract: Various methods of bandwidth reduction for high-definition television (HDTV) have been investigated previously. Many are based on filtering out image high-frequency components in moving areas, which it is assumed that the eye does not require. Our investigations have shown that this assumption is not usually valid. A digitally-assisted television (DATV) technique incorporating motion-vector measurement has been developed which enables the performance of such an adaptive filtering system to be greatly improved. This article describes the technique and shows how it can form the basis of a practicable HDTV transmission system, by incorporating a digital control signal.
Publication Date: 1987-05-01
DOI: 10.5594/J03157
Link: https://doi.org/10.5594/J03157
Author(s): Graham A. Thomas

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Graham A. Thomas; HDTV Bandwidth Reduction by Adaptive Subsampling and Motion-Compensation DATV Techniques, SMPTE Journal ( Volume: 96, Issue: 5, May 1987); SMPTE, 1987. Available at https://doi.org/10.5594/J03157

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Graham A. Thomas; HDTV Bandwidth Reduction by Adaptive Subsampling and Motion-Compensation DATV Techniques, SMPTE Journal ( Volume: 96, Issue: 5, May 1987); SMPTE, 1987. Available at https://doi.org/10.5594/J03157

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<span class="citation">Graham A. Thomas; <cite>HDTV Bandwidth Reduction by Adaptive Subsampling and Motion-Compensation DATV Techniques</cite>, SMPTE Journal ( Volume: 96, Issue: 5, May 1987); SMPTE, 1987. Available at <a href="https://doi.org/10.5594/J03157" target="_blank" rel="noopener">https://doi.org/10.5594/J03157</a></span>

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Graham A. Thomas; HDTV Bandwidth Reduction by Adaptive Subsampling and Motion-Compensation DATV Techniques, SMPTE Journal ( Volume: 96, Issue: 5, May 1987); SMPTE, 1987
doi: 10.5594/J03157
url: https://doi.org/10.5594/J03157

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<li>
Graham A. Thomas; <cite id="bib-10-5594-j03157">HDTV Bandwidth Reduction by Adaptive Subsampling and Motion-Compensation DATV Techniques</cite>, SMPTE Journal ( Volume: 96, Issue: 5, May 1987); SMPTE, 1987
<span class="doi">10.5594/J03157</span>
</li>