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Optical Engineering

Enhancement of video signal transmission using fine-structure pre-emphasis with modulo limiting
Author(s): Chung H. Lu
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Paper Abstract

Fine-structure pre-emphasis for video signal transmission exploits the three-dimensional redundancy of video signals. Companding is required in fine-structure pre-emphasis to realize SNR improvement. Fine-structure pre-emphasis is modeled as an open-loop predictive system. Analysis shows that a modulo limiter can be incorporated in the preemphasis filters to limit the peak amplitude of the pre-emphasized signal. The reduced dynamic range will alleviate stringent requirement on companding.

Paper Details

Date Published: 1 November 1992
PDF: 9 pages
Opt. Eng. 31(11) doi: 10.1117/12.59993
Published in: Optical Engineering Volume 31, Issue 11
Show Author Affiliations
Chung H. Lu, Industrial Technology Research Institute (Taiwan)


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