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	Self-Adaptive Coding-based Touch Detection for Interactive Projector System
	He, Ming; Cheng, Jun
	2014
会议名称	Information Science and Technology (ICIST), 2014 4th IEEE International Conference on
会议地点	中国
英文摘要	Most current challenge of hand touch detection in interactive projector system is how to detect finger touching with a single camera. In this paper, we introduce a projector camera system that enables users to interact with computers by touching on arbitrary surfaces with bare-hand. The realization of touch detection is through a novel vision-based algorithm performing in three steps: 1) foreground extraction according to a predicted image generated from geometric and photometric calibration matrix; 2) fingertip detection based on the curvature of hand contour points; 3) touch detection by encoding a local region of self-adaptive structured light into the projected image. In our approach, through the disparity of pattern codes projected on the fingertip, it is able to distinguish immediately whether a touch action really takes place without complex calibration and triangulation. Extensive experiments on foreground extraction, fingertip detection, and touch judgment are presented to show the robust performance of this system.
收录类别	EI
语种	英语
内容类型	会议论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/5592]
专题	深圳先进技术研究院_集成所
作者单位	2014
推荐引用方式 GB/T 7714	He, Ming,Cheng, Jun. Self-Adaptive Coding-based Touch Detection for Interactive Projector System[C]. 见:Information Science and Technology (ICIST), 2014 4th IEEE International Conference on. 中国.

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