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An Efficient Compressed Domain Spatial Transcoding Scheme for Adaptive Video Content Delivery

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Advances in Multimedia Information Processing - PCM 2010 (PCM 2010)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 6298))

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Abstract

Video transmission over network is increasingly gaining popularities now-a-days. The heterogeneity of network has always been a problem for transmission because of various channels and communication links having different constraints (especially for wireless networks) and end devices having different capabilities. In this paper we solve the problem for end terminals having lower display and processing capabilities through spatial transcoding which allow downscaling of videos to lower resolution. In spatial transcoding for downscaled video the new motion vectors and coefficients for output frames need to be calculated. The convectional pixel domain approach for this is computationally very expensive. We propose an efficient spatial transcoding scheme in compressed domain for adaptive content delivery of video sequences. The downscaled motion vectors are refined to improve outgoing video quality. We implemented our proposed scheme and experiments are carried out for MPEG-1 video sequences, the results are found to be promising.

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Author information

Authors and Affiliations

  1. Department of Information Technology, Indian Institute of Information Technology and Management, Gwalior, MP, India

    Nishant Khanwalkar, Shashikala Tapaswi & Manisha Pattanaik

Authors
  1. Nishant Khanwalkar
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  2. Shashikala Tapaswi
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  3. Manisha Pattanaik
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Editor information

Editors and Affiliations

  1. School of Computer Science, University of Nottingham, Jubilee Campus, NG8 1BB, Nottingham, UK

    Guoping Qiu

  2. The Centre for Multimedia Signal Processing, The Hong Kong Polytechnic University, Hong Kong, China

    Kin Man Lam

  3. Faculty of System Design, Tokyo Metropolitan University, 6-6, Asahigaoka, 191-0065, Tokyo, Hino-city

    Hitoshi Kiya

  4. Shanghai Key Laboratory of Intelligent Information Processing, Department of Computer Science & Engineering, Fudan University, Shanghai, China

    Xiang-Yang Xue

  5. Department of Electrical Engineering, University of Southern California, 90089-2564, Los Angeles, CA

    C.-C. Jay Kuo

  6. LIACS Media Lab, Leiden University,  

    Michael S. Lew

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© 2010 Springer-Verlag Berlin Heidelberg

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Khanwalkar, N., Tapaswi, S., Pattanaik, M. (2010). An Efficient Compressed Domain Spatial Transcoding Scheme for Adaptive Video Content Delivery. In: Qiu, G., Lam, K.M., Kiya, H., Xue, XY., Kuo, CC.J., Lew, M.S. (eds) Advances in Multimedia Information Processing - PCM 2010. PCM 2010. Lecture Notes in Computer Science, vol 6298. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-15696-0_23

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  • DOI: https://doi.org/10.1007/978-3-642-15696-0_23

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-15695-3

  • Online ISBN: 978-3-642-15696-0

  • eBook Packages: Computer ScienceComputer Science (R0)

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