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Proceedings Paper

Compressed-domain motion detection for efficient and error-resilient MPEG-2 to H.264 transcoding
Author(s): Jan Lievens; Peter Lambert; Dieter Van de Walle; Freya Dawoud; Joeri Barbarien; Rik Van de Walle; Peter Schelkens
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Paper Abstract

In this paper, a novel compressed-domain motion detection technique, operating on MPEG-2-encoded video, is combined with H.264 flexible macroblock ordering (FMO) to achieve efficient, error-resilient MPEG-2 to H.264 transcoding. The proposed motion detection technique first extracts the motion information from the MPEG-2-encoded bit-stream. Starting from this information, moving regions are detected using a region growing approach. The macroblocks in these moving regions are subsequently encoded separately from those in background regions using FMO. This can be used to increase error resilience and/or to realize additional bit-rate savings compared to traditional transcoding.

Paper Details

Date Published: 24 September 2007
PDF: 11 pages
Proc. SPIE 6696, Applications of Digital Image Processing XXX, 669609 (24 September 2007); doi: 10.1117/12.732081
Show Author Affiliations
Jan Lievens, Vrije Univ. Brussel (Belgium)
Peter Lambert, Ghent Univ. (Belgium)
Dieter Van de Walle, Ghent Univ. (Belgium)
Freya Dawoud, Vrije Univ. Brussel (Belgium)
Joeri Barbarien, Vrije Univ. Brussel (Belgium)
Rik Van de Walle, Ghent Univ. (Belgium)
Peter Schelkens, Vrije Univ. Brussel (Belgium)

Published in SPIE Proceedings Vol. 6696:
Applications of Digital Image Processing XXX
Andrew G. Tescher, Editor(s)

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