Geometry Calibration for Large Curvature Multi-projector Tiled Display Wall

Xiao Chao; Yang Hongyu

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Geometry Calibration for Large Curvature Multi-projector Tiled Display Wall

更新时间：2023-11-14

- Geometry Calibration for Large Curvature Multi-projector Tiled Display Wall
- Advanced Engineering Sciences Vol. 45, Issue Z2, Pages: 160-164(2013)
- 作者机构：
  
  1. 四川大学计算机学院
  2. 四川大学视觉合成图形图像技术国防重点学科实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013，
  
  Published Online：27 February 2013，
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肖朝,杨红雨,陈楷民,母攀良.大曲率多通道投影显示墙几何校正[J].工程科学与技术,2013,45(Z2):160-164.

Xiao Chao, Yang Hongyu. Geometry Calibration for Large Curvature Multi-projector Tiled Display Wall. [J]. Advanced Engineering Sciences 45(Z2):160-164(2013)
肖朝,杨红雨,陈楷民,母攀良.大曲率多通道投影显示墙几何校正[J].工程科学与技术,2013,45(Z2):160-164. DOI：

Xiao Chao, Yang Hongyu. Geometry Calibration for Large Curvature Multi-projector Tiled Display Wall. [J]. Advanced Engineering Sciences 45(Z2):160-164(2013) DOI：

摘要

中文摘要: 为了解决大曲率多通道投影系统中几何畸变严重的问题，提出了一种二次几何校正算法。该算法首先对视景画面的顶点坐标进行几何校正，在此基础上再对画面的纹理坐标进行几何校正。给出了算法的理论推导和基于Visual C++与OpenGL的程序实现。以三通道投影显示系统为例将二次校正算法与其他几何校正算法进行了对比实验。实验结果表明：二次几何校正算法可针对大曲率高畸变视场实现很好的图像拼接，具有较强的扩展性和实际应用价值。

Abstract

Abstract:In order to solve the problem of serious geometric distortion in large curvature projection system

a twice geometric calibration algorithm was proposed. The geometric calibration of images’ vertex coordinates and texture coordinates were adjusted in chronological order. The description of the algorithm and its program implementation based on Visual C++ and OpenGL were presented. Besides

contrast experiments were carried out with a three-projector display system. Experimental results showed that the twice image calibration algorithm could achieve a good image alignment and have a better expansibility and application value.

关键词

多通道投影大曲率显示墙几何校正二次校正技术无缝拼接

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