QoS based video delivery with foveation
Basu, A.
Cheng, I.
Dept. of Comput. Sci., Alberta Univ., Edmonton, Alta.;
This paper appears in: Image Processing, 2001. Proceedings. 2001 International Conference on
Publication Date: 2001
Volume: 1,
On page(s): 986-989 vol.1
Meeting Date: 10/07/2001 - 10/10/2001
Location: Thessaloniki, Greece
ISBN: 0-7803-6725-1
References Cited: 6
INSPEC Accession Number: 7211027
Digital Object Identifier: 10.1109/ICIP.2001.959213
Current Version Published: 2002-08-07
Abstract
Spatially varying sensing (foveation) was first used as a means
for image compression in our past research. We extend previous work to
address the advantages of foveation in improving the performance of MPEG
compression over bandwidth limited channels, such as the Internet.
Unlike other approaches to foveating MPEG which used multiresolution
representations, we use continuously spatially varying resolution and
demonstrate that this approach is indeed advantageous over others. Two
parameters, scaling and distortion, are used to allow us to adapt MPEG
video to various compression ratios. Experimental results are presented,
and can be viewed on the Web, validating our approach
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