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Authors: Pedro Assuncao and Nuno Santos

Affiliation: Polytechnic Institute of Leiria / ESTG – Institute of Telecommunications, Portugal

ISBN: 972-8865-15-5

ISSN: 2184-2825

Keyword(s): Transcoding, Multimedia, MPEG, Video Objects.

Related Ontology Subjects/Areas/Topics: Computer Vision, Visualization and Computer Graphics ; Image and Video Coding and Compression ; Image and Video Processing, Compression and Segmentation ; Image Formation and Preprocessing ; Multimedia ; Multimedia Signal Processing ; Telecommunications ; Universal Multimedia Adaptation

Abstract: In this paper, we propose a segmentation based transcoding scheme for adapting MPEG-2 e-learning visual contents to heterogeneous environments. This is achieved by converting MPEG-2 video into MPEG-4 video objects with arbitrary shape and different semantic value in e-learning context. The transcoding scheme is based on a hybrid segmentation method, which employs both compressed and pixel domain techniques, for extraction of two video objects from MPEG-2 streams. The objective is two-fold: i) to enable individual object coding and manipulation; ii) to increase the scene coding efficiency. The results show that our hybrid segmentation method is capable of identifying the video objects of interest with good accuracy. Moreover, the transcoding efficiency of the proposed scheme is better than straightforward conversion from MPEG-2 to MPEG-4.

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Paper citation in several formats:
Assuncao, P. and Santos, N. (2004). A VIDEO TRANSCODING SCHEME FOR E-LEARNING MULTIMEDIA APPLICATIONS. In Proceedings of the First International Conference on E-Business and Telecommunication Networks - Volume 3: ICETE, ISBN 972-8865-15-5; ISSN 2184-2825, pages 278-283. DOI: 10.5220/0001397702780283

@conference{icete04,
author={Pedro Assuncao. and Nuno Santos.},
title={A VIDEO TRANSCODING SCHEME FOR E-LEARNING MULTIMEDIA APPLICATIONS},
booktitle={Proceedings of the First International Conference on E-Business and Telecommunication Networks - Volume 3: ICETE,},
year={2004},
pages={278-283},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001397702780283},
isbn={972-8865-15-5},
issn={2184-2825},
}

TY - CONF

JO - Proceedings of the First International Conference on E-Business and Telecommunication Networks - Volume 3: ICETE,
TI - A VIDEO TRANSCODING SCHEME FOR E-LEARNING MULTIMEDIA APPLICATIONS
SN - 972-8865-15-5
IS - 2184-2825
AU - Assuncao, P.
AU - Santos, N.
PY - 2004
SP - 278
EP - 283
DO - 10.5220/0001397702780283

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