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Motion vector recovery for error concealment based on angular similarity

by Siriwhaddhanah Pongpadpinit

Title:

Motion vector recovery for error concealment based on angular similarity

Author(s):

Siriwhaddhanah Pongpadpinit

Issued date:

2009-07

Citation:

Proceedings of the 16th International Conference on Digital Signal Processing. Greece, (July 5-7, 2009)

Abstract:

This paper presents a motion vector (MV) recovery using the similarity of the angle of the corresponding surrounded MVs. The approach is based on the assumption that a group of macroblocks (MBs) which belongs to the same object and resides in the same region likely to move in the same direction. hence, those corresponded MVs that move in the same direction likely to have similar angle. As a result a lost motion vector can be estimated using a set of candidate MVs selected from the neighbouring MVs on the left, top-left, top, top-right, right, bottom-right, bottom and bottom-left. The experimental resuts for several test video sequences are compared with conventional error concealment methods and higher performance is achieved in both objective peak signal-to-noise ratio (PSNR) measurements and subjective visual quality.

Keyword(s):

Motion vector recovery
Temporal error concealment
Image restoration
Image enhancement

Resource type:

Proceeding Paper

Extent:

4 pages

Type:

Text

File type:

application/pdf

Language:

eng

URI:

http://repository.au.edu/handle/6623004553/17937
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Copyright © Assumption University.
All Rights Reserved.

Contact Us

The St. Gabriel's Library   
Hua Mak Campus  
Ramkhamhaeng 24, Hua Mak  
Bangkok Thailand 10240  
Tel.: (662) 3004543-62 Ext. 3402  
Fax.: (662) 7191544  
E-Mail Library : library@au.edu  


The Cathedral of Learning Library
Suvarnabhumi Campus
Bang Na-Trad Km. 26 Bangsaothong
Samuthprakarn Thailand 10540
Tel.: (662) 7232024, 7232025
Fax.: (662) 7191544
E-Mail Library : library@au.edu
 

 

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