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Paper Abstract and Keywords
Presentation 2009-06-17 11:00
Efficient Ray Information Transmission Method for 3D Free Viewpoint Video Generation
Akio Ishikawa, Sei Naito, Shigeyuki Sakazawa (KDDI Labs.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, a transmission data format and a corresponding free viewpoint generation method are proposed to realize free viewpoint 3D video functionality under restricted transmission capacity. In former works, so called hybrid approach by which model and ray information are transmitted and free viewpoint video is generated from the received signal has been already studied. However, further improvement regarding the data compaction performance and the scalable accessibility was required especially for the transmission data format. Therefore, we propose a novel data format based on ray space with polygonal mesh. From experimental results, it was confirmed that our proposed scheme efficiently reduce the transmitted data amount while providing the scalable accessibility achieved by adjusting the number of recorded planes assigned for ray information.
Keyword (in Japanese) (See Japanese page) 
(in English) Free Viewpoint Video / Multiview Video / Ray Space / Surface Light Field / / / /  
Reference Info. ITE Tech. Rep., vol. 33, no. 24, 3DIT2009-44, pp. 23-26, June 2009.
Paper # 3DIT2009-44 
Date of Issue 2009-06-09 (IDY, 3DIT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee 3DIT IDY  
Conference Date 2009-06-16 - 2009-06-17 
Place (in Japanese) (See Japanese page) 
Place (in English) NiCT 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 3D Image Technology, etc. 
Paper Information
Registration To 3DIT 
Conference Code 2009-06-3DIT-IDY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient Ray Information Transmission Method for 3D Free Viewpoint Video Generation 
Sub Title (in English)  
Keyword(1) Free Viewpoint Video  
Keyword(2) Multiview Video  
Keyword(3) Ray Space  
Keyword(4) Surface Light Field  
1st Author's Name Akio Ishikawa  
1st Author's Affiliation KDDI R&D Laboratories (KDDI Labs.)
2nd Author's Name Sei Naito  
2nd Author's Affiliation KDDI R&D Laboratories (KDDI Labs.)
3rd Author's Name Shigeyuki Sakazawa  
3rd Author's Affiliation KDDI R&D Laboratories (KDDI Labs.)
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Date Time 2009-06-17 11:00:00 
Presentation Time 30 
Registration for 3DIT 
Paper # ITE-IDY2009-60,ITE-3DIT2009-44 
Volume (vol) ITE-33 
Number (no) no.24 
Page pp.23-26 
#Pages ITE-4 
Date of Issue ITE-IDY-2009-06-09,ITE-3DIT-2009-06-09 

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