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On scanning format and MPEG-2 coding efficiency

By E.B. Bellers and G. de Haan

Abstract

The traditional analog video broadcast standard is an intelaced format. Interlace was includend in the standards for television broadcasting, for very good reasons; however, with the introduction of digital video broadcast (MPEG-2), we should reconsider the use of interlace as part of a digital video chain. Moreover, video format conversion, in general, may also require reconsideration as it can be performed either at the studio end (transmitter side) or at the receiver and (television set). This paper examines the efficiency of MPEG-2 coding for interlaced and progressive video, and also copmpares de-interlacing and picture-rate upconversion before and after coding. We found receiver side de-interlacing and picture-rate upconversation, i.e., after coding to give better image quality at a given data rate. Moreover in contrast with other publications, we found interlaced video codig to be better than progressive video for many relevant sequences, even when comparing the results on a progressive display. The paper explains how these earlier conlusions were drawn and why the new ones are better

Year: 2001
DOI identifier: 10.5594/j17777
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Provided by: NARCIS
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