Very low bit rate video coding techniques

Pao Yue-kong Library Electronic Theses Database

Very low bit rate video coding techniques

 

Author: Tao, Hay-pui
Title: Very low bit rate video coding techniques
Degree: M.Sc.
Year: 2000
Subject: MPEG (Video coding standard)
Video compression -- Standards
Coding theory
Digital video
Hong Kong Polytechnic University -- Dissertations
Department: Multi-disciplinary Studies
Dept. of Electronic and Information Engineering
Pages: viii, 65 leaves : ill. ; 30 cm
Language: English
InnoPac Record: http://library.polyu.edu.hk/record=b1527614
URI: http://theses.lib.polyu.edu.hk/handle/200/2550
Abstract: In order to achieve a high compression ratio with good quality for video coding, moving objects in a video sequence are segmented out and coded. In this thesis, techniques for coding the shape and texture of objects are investigated and implemented. Baseline-based technique is applied to encode the shape for intra and inter-frames. The texture of the object is divided into a number of macro-blocks, which are identified to be either boundary or internal blocks. Extension Interpolation with optimal block placement and motion estimation techniques are used to achieve high compression ratio. The experiment results show that the Extension Interpolation could improve the signal to noise ratio of the boundary blocks.

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