Scalable video coding is important in a number of applications where video needs to be decoded and displayed at a variety of spatial and temporal resolution scales or when resilience to errors is necessary. In this paper, we investigate a temporal-domain approach for resolution scalable video coding. This approach was originally proposed to and since then has been included in the Moving Picture Experts Group (MPEG-2) standard. Temporal scalability, although not limited to, is particularly useful for applications such as, HDTV as well as for high quality telecommunication applications that may require high frame rate (e.g., 60 Hz) progressive video. Furthermore, it allows flexibility in use of progressive or interlaced video formats for coding even though the source video may be progressive with high frame rate. Our technique builds on the motion-compensated DCT framework of nonscalable (single layer) MPEG-2 video coding and adds motion compensated inter-layer coding. In our simulations we focus on the 2- layer temporally scalable coding and compare the performance of using progressive video format for both layers to that when interlaced video format is used for both layers; all interim video formats used are derived from original high temporal resolution progressive video. In each case we compare the performance of two inter-layer prediction configurations and evaluate their prediction efficiency.<>


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    Title :

    Temporal resolution scalable video coding


    Contributors:
    Puri, A. (author) / Yan, L. (author) / Haskell, B.G. (author)


    Publication date :

    1994-01-01


    Size :

    505725 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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