Invention Application
US20110046923A1 APPARATUS AND METHOD FOR LOW-COMPLEXITY THREE-DIMENSIONAL MESH COMPRESSION
审中-公开
低复杂度三维网格压缩的装置和方法
- Patent Title: APPARATUS AND METHOD FOR LOW-COMPLEXITY THREE-DIMENSIONAL MESH COMPRESSION
- Patent Title (中): 低复杂度三维网格压缩的装置和方法
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Application No.: US12988308Application Date: 2009-04-06
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Publication No.: US20110046923A1Publication Date: 2011-02-24
- Inventor: Seung Wook Lee , Bon Ki Koo , Jin Seo Kim , Young Jik Lee , Ji Hyung Lee , Ho Won Kim , Chang Woo Chu , Bon Woo Hwang , Jeung Chul Park , Ji Young Park , Seong Jae Lim , Il Kyu Park , Yoon-Seok Choi , Kap Kee Kim , Euee Seon Jang , Daiyong Kim , Byoungjun Kim , Jaebum Jun , Giseok Son , Kyoung Soo Son
- Applicant: Seung Wook Lee , Bon Ki Koo , Jin Seo Kim , Young Jik Lee , Ji Hyung Lee , Ho Won Kim , Chang Woo Chu , Bon Woo Hwang , Jeung Chul Park , Ji Young Park , Seong Jae Lim , Il Kyu Park , Yoon-Seok Choi , Kap Kee Kim , Euee Seon Jang , Daiyong Kim , Byoungjun Kim , Jaebum Jun , Giseok Son , Kyoung Soo Son
- Applicant Address: KR Daejeon KR Daejeon
- Assignee: Electronics and Telecommunications Research Institute,Industry-University Cooperation Foundation Hanyang University
- Current Assignee: Electronics and Telecommunications Research Institute,Industry-University Cooperation Foundation Hanyang University
- Current Assignee Address: KR Daejeon KR Daejeon
- Priority: KR10-2008-0036371 20080418; KR10-2008-0125520 20081210
- International Application: PCT/KR2009/001758 WO 20090406
- Main IPC: G06F17/50
- IPC: G06F17/50

Abstract:
An apparatus for compressing low-complexity 3D mesh, includes: a data analyzing unit for decomposing data of an input 3D mesh model into vertices information, property information representing property of the 3D mesh model, and connectivity information between vertices constituting the 3D mesh model; a mesh model quantizing unit for producing quantized vertices, property and connectivity information of the 3D mesh model by using the vertices, property and connectivity information; and a sharable vertex analysis unit for analyzing sharing information between shared vertices of the 3D mesh model. Further, the apparatus includes a data modulation unit for performing a circular DPCM prediction by using quantized values of the consecutive connectivity information of the 3D mesh model; and an entropy encoding unit for outputting coded data of the quantized vertices and property information, and differential pulse-code modulated connectivity information as a bitstream.
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