项目名称: 曲面多投影显示墙的画面校正研究
项目编号: No.61303146
项目类型: 青年科学基金项目
立项/批准年度: 2014
项目学科: 自动化技术、计算机技术
项目作者: 王修晖
作者单位: 中国计量学院
项目金额: 23万元
中文摘要: 由多台投影仪拼接实现的多投影显示墙已成为缓解单台显示设备分辨率的有限性和市场对超高分辨率显示平台的需求之间矛盾的重要解决方案。本项目致力于研究曲面多投影显示墙的画面校正算法。在对投影画面的几何投影数据进行深入分析的基础上,对屏幕曲面进行网格划分,并建立局部参数化模型;然后对数码相机采集的投影颜色信息进行统计分析,建立曲面多投影显示墙环境下各投影仪的广义颜色模型;最后对网格划分后的屏幕进行几何与颜色校正,生成视觉无缝的高分辨率、高亮度显示画面。通过该项目的研究,在理论方面将提出一种新的曲面多投影显示墙表示和处理方法,并探索实现任意曲面多投影显示墙画面校正的通用理论和算法。相关算法和软件的研制,将为数字化设计与可视化评估、虚拟现实和数字媒体相关产品的展示提供强有力的技术支撑。
中文关键词: 多投影系统;几何校正;颜色校正;环幕;一般曲面幕
英文摘要: Large-scale multi-projector tiled display wall is an important solution to ease the contradiction between demands of ultra-high resolution display platforms and limited resolutions of single display devices. This project is devoted to researching on screen calibration for general-surface multi-projector tiled display wall. Based on the in-depth analysis of geometric projection data, mesh the screen surface, and establish local parametric models for each projector. Then create generalized color models for each projector using color samples taken by a digital camera. Finally, real-timely perform geometry and color calibration on the meshed screen to achieve seamless high-resolution and high-brightness display sreen.The development of related algorithms and software techniques will provide strong technical support for the digital design and assessment of virtual reality and digital media products.
英文关键词: multi-projector display system;geometry calibration;color calibration;circular screen;general surface screen