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政大機構典藏 > 資訊學院 > 資訊科學系 > 期刊論文 > Item 140.119/68431

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题名:	Projector Calibration of Multi-Resolution Display
作者:	邱柏訊;林士堯;詹力韋;余能豪;洪一平 Chiu,Po-Hsun;Lin,Shih-Yao;Chan,Li-Wei;Yu,Neng-Hao;Hung,Yi-Ping
贡献者:	資科系
关键词:	Projector Calibration;Keystone Correction;Structured Light;Rear Projection;Multi-Projector;Multi-Resolution
日期:	2005.07
上传时间:	2014-08-07 12:02:44 (UTC+8)
摘要:	Advances in display and input technologies have led to growing desire for creating a more immersive visual experience in interactive display systems. Research on constructing a large-scale, high-resolution display environment based on multi-projector mosaic has also become increasingly important to meet the cost-effective consideration. In our previous work, we had developed a system called i-m-Top, which integrated one steerable fovea projector for high-resolution projection and another fixed wide-angle projector for low-resolution. The touch-sensing is on the basis of diffused illumination and analyzed by computer vision approach. In this paper, we propose a fast, low-cost method for automatic projector calibration with the assistance of one color camera, to eliminate both the keystone effect and misalignment of the projections. Structured light patterns are projected to construct the geometric relationship between projectors and the projection surface, and then pre-warp the images so that they appear undistorted as a result. As opposed to manual calibration which is a tedious task, our approach not only saves time, but also reduces human-effort effectively.
關聯:	CVGIP 2010, Kaohsiung, Taiwan, August 2010. (Best Paper Award)
数据类型:	article
显示于类别:	[資訊科學系] 期刊論文

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