An experimental analysis of DCT-based approaches for fine-grain multiresolution video

Jie Huang; Wu-chi Feng; Jonathan Walpole; Wilfried Jouve

doi:10.1117/12.592317

17 January 2005 An experimental analysis of DCT-based approaches for fine-grain multiresolution video

Jie Huang, Wu-chi Feng, Jonathan Walpole, Wilfried Jouve

Proceedings Volume 5680, Multimedia Computing and Networking 2005; (2005) https://doi.org/10.1117/12.592317
Event: Electronic Imaging 2005, 2005, San Jose, California, United States

Abstract

This paper presents the architectural trade-offs to support fine-grain multi-resolution video over a wide range of resolutions. In the future, video streaming systems will have to support video adaptation over an extremely large range of display requirements (e.g. 90x60 to 1920x1080). While several techniques have been proposed for multi-resolution video adaptation, which is also known as spatial scalability, they have focused mainly on limited spatial resolutions. In this paper, we examine the ability of current techniques to support wide-range spatial scalability. Based upon experiments with real video, we propose an architecture that can support wide-range adaptation more effectively. Our results indicate that multiple encodings with limited spatial adaptation from each encoding provides the best trade-off between efficient coding and the ability to adapt the stream to various resolutions.

Citation Download Citation

Jie Huang, Wu-chi Feng, Jonathan Walpole, and Wilfried Jouve "An experimental analysis of DCT-based approaches for fine-grain multiresolution video", Proc. SPIE 5680, Multimedia Computing and Networking 2005, (17 January 2005); https://doi.org/10.1117/12.592317

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