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Scalable description of shape and motion for object-based coding
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UNSPECIFIED (1999) Scalable description of shape and motion for object-based coding. In: 7th IEE Conference on Image Processing and its Applications (IPA99), UNIV MANCHESTER, MANCHESTER, ENGLAND, JUL 12-15, 1999. Published in: SEVENTH INTERNATIONAL CONFERENCE ON IMAGE PROCESSING AND ITS APPLICATIONS (465). pp. 157-161. ISBN 0-85296-717-9. ISSN 0537-9989.
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Abstract
Recently developed video coding schemes such as MPEG-4 permit arbitrarily-shaped objects to be encoded as separate entities. We describe a shape coding algorithm that adapts the MPEG-4 arbitrary shape coding strategies to a variable block size framework. The new technique, when used in conjunction with motion compensation schemes employing quad-trees as a coding mechanism, successfully integrates the shape and quadtree coding in a unified structure that minimises temporal correlation. Performance evaluation using MPEG-4 test sequences shows a reduction of up to 16% in the combined motion and shape coding cost.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
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Series Name: | IEE CONFERENCE PUBLICATIONS | ||||
Journal or Publication Title: | SEVENTH INTERNATIONAL CONFERENCE ON IMAGE PROCESSING AND ITS APPLICATIONS | ||||
Publisher: | INST ELECTRICAL ENGINEERS INSPEC INC | ||||
ISBN: | 0-85296-717-9 | ||||
ISSN: | 0537-9989 | ||||
Official Date: | 1999 | ||||
Dates: |
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Number: | 465 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 157-161 | ||||
Publication Status: | Published | ||||
Title of Event: | 7th IEE Conference on Image Processing and its Applications (IPA99) | ||||
Location of Event: | UNIV MANCHESTER, MANCHESTER, ENGLAND | ||||
Date(s) of Event: | JUL 12-15, 1999 |
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