Multi-touch GIS Based on Optical and Computer Vision

被引：0
|
作者：
Wan, Bo [1 ]
Zhao, Dongxue [1 ]
Wen, Xiu [1 ]
Liu, Gengdai [1 ]
机构：
[1] Xidian Univ, Inst Comp Sci, Xian, Shannxi, Peoples R China
来源：
PROCEEDINGS OF THE 2013 INTERNATIONAL CONFERENCE ON INFORMATION, BUSINESS AND EDUCATION TECHNOLOGY (ICIBET 2013) | 2013年 / 26卷
关键词：
GIS; multi-touch; gesture recognition;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper describes a multi-touch GIS(Geography Information System) based on optical and computer vision. In the system, user can operates map directly through gesture. A series of image processing and computation of video frames is used to get data and trajectory of touch point according to the characteristics of touch point. Some multi-touch gestures corresponding to typical GIS operation and its state transition model are defined. According to these definitions, a gesture recognition method based on geometric characteristics of trajectory is given. This method can recognize the trajectory into correct interaction gestures and operate the GIS through MapX.
引用
收藏
页码：53 / 60
页数：8
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