Multi-projector auto-calibration and placement optimization for non-planar surfaces

被引：4

作者：

Li, Dong ^{[1
]}

Xie, Jinghui ^{[1
]}

Zhao, Lu ^{[1
]}

Zhou, Lijing ^{[1
]}

Weng, Dongdong ^{[1
]}

机构：

[1] Beijing Inst Technol, Sch Optoelect, Beijing 100081, Peoples R China

来源：

OPTICAL REVIEW | 2015年 / 22卷 / 05期

关键词：

Multi-projector; Geometric registration; Non-planar display; Placement optimization;

D O I：

10.1007/s10043-015-0123-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Non-planar projection has been widely applied in virtual reality and digital entertainment and exhibitions because of its flexible layout and immersive display effects. Compared with planar projection, a non-planar projection is more difficult to achieve because projector calibration and image distortion correction are difficult processes. This paper uses a cylindrical screen as an example to present a new method for automatically calibrating a multi-projector system in a non-planar environment without using 3D reconstruction. This method corrects the geometric calibration error caused by the screen's manufactured imperfections, such as an undulating surface or a slant in the vertical plane. In addition, based on actual projection demand, this paper presents the overall performance evaluation criteria for the multi-projector system. According to these criteria, we determined the optimal placement for the projectors. This method also extends to surfaces that can be parameterized, such as spheres, ellipsoids, and paraboloids, and demonstrates a broad applicability.

引用

页码：762 / 778

页数：17

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