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Efficient Multi-Resolution Multi-Stream Video Systems with Standard Codecs

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Abstract

The availability of international standards based video codecs for inexpensive platforms is reducing the cost of desk-top video systems to a level which makes their wide deployment possible. The current systems, however, are tuned for processing a single video stream only and their use in multiple video applications, such as continuous presence video teleconferencing and digital picture-in-picture, is difficult and inefficient. In this paper, we discuss two systems for efficient generation and display of multi-resolution, multiple compressed video material. Based on simple additions to standard codecs, both systems are capable of generating multiple bit streams corresponding to different resolutions of a single video source and they can decode such streams from multiple sources and display the resulting video sequences simultaneously. Both systems provide multiple video functionality to standard codecs with almost no extra memory or processing power requirements. Also, they make it possible for the users to customize the placement and size of their video windows, just as text and graphics windows can be manipulated.

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Authors and Affiliations

  1. AT&T Labs—Research, 100 Schultz Drive, Red Bank, NJ, 07701

    M. Reha Civanlar & Glenn L. Cash

  2. Bell Labs, 101 Crawfords Corner Rd., P.O. Box 3030, Holmdel, NJ, 07733-3030

    Robert D. Gaglianello

Authors
  1. M. Reha Civanlar
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  2. Robert D. Gaglianello
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  3. Glenn L. Cash
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Civanlar, M.R., Gaglianello, R.D. & Cash, G.L. Efficient Multi-Resolution Multi-Stream Video Systems with Standard Codecs. The Journal of VLSI Signal Processing-Systems for Signal, Image, and Video Technology 17, 269–279 (1997). https://doi.org/10.1023/A:1007919426090

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  • DOI: https://doi.org/10.1023/A:1007919426090

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