One-shot monochromatic symbol pattern for 3D reconstruction using perfect submap coding

被引:8
|
作者
Fang, Mei [1 ,2 ]
Shen, Wei [1 ]
Zeng, Dan [1 ]
Jia, Xiaojun [2 ]
Zhang, Zhijiang [1 ]
机构
[1] Shanghai Univ, Key Lab Specialty Fiber Opt & Opt Access Networks, Shanghai 200072, Peoples R China
[2] Jiaxing Univ, Coll Math Phys & Informat Engn, Jiaxing 314001, Zhejiang, Peoples R China
来源
OPTIK | 2015年 / 126卷 / 23期
基金
中国国家自然科学基金;
关键词
Machine vision; Coded structured light; Monochromatic symbol pattern; Perfect submap; PROFILE MEASUREMENT; FRINGE PROJECTION; LIGHT; ACQUISITION;
D O I
10.1016/j.ijleo.2015.07.140
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Monochromatic perfect submap coding is a technique which utilizes structured light to reconstruct three-dimensional shapes. This coding strategy is robust against occlusions, suitable for dynamic scene detection, and less sensitive to colorful surface when compared to color coding. However, perfect submap patterns are often poor in terms of resolution and accuracy. In this work, the symbol density spectrum (SDS) and its features are used to choose symbols for improving resolution and decreasing decoding error of perfect submap symbol patterns. The proposed SDS provides a distribution of symbol points for reconstruction after which 10 symbol features are extracted. Following a comparative analysis of the symbol features and scene testing of symbols damage rate, a new density pattern is formed using nine symbols chosen from one group. A 3D reconstruction experiment showed that results obtained by this method are of a higher resolution compared with other existing monochromatic spatial coding techniques and are robust against color surface. (C) 2015 Elsevier GmbH. All rights reserved.
引用
收藏
页码:3771 / 3780
页数:10
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