| 基于数字图像处理的虚拟输入方法 |
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| 引用本文： | 张金,李洋,刘晓威,庞赫洋,侯洋洋.基于数字图像处理的虚拟输入方法[J].计算机工程与设计,2011,32(11):3759-3763,3919. |
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| 作者姓名： | 张金 李洋 刘晓威 庞赫洋 侯洋洋 |
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| 作者单位： | 南开大学信息技术科学学院,天津,300071 |
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| 基金项目： | 国家大学生创新性实验计划基金项目 |
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| 摘 要： | 针对当前嵌入式设备输入方法存在的高成本低体验问题,提出了一种运行于嵌入式系统中基于数字图像处理的虚拟输入方法.该方法利用嵌入式设备附加的摄像设备,对用户在虚拟键盘上的按键过程进行图像采集,通过角点识别和图像分割进行按键识别,以便通过采集到的图像定位出用户点击的目标按键,从而实现信息输入过程.通过实例验证了该方法的可行性...
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| 关 键 词： | 嵌入式系统 虚拟输入方法 伪键盘 嵌入式设备 人机交互 |
Virtual input method based on digital image processing |
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| ZHANG Jin,LI Yang,LIU Xiao-wei,PANG He-yang,HOU Yang-yang.Virtual input method based on digital image processing[J].Computer Engineering and Design,2011,32(11):3759-3763,3919. |
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| Authors: | ZHANG Jin LI Yang LIU Xiao-wei PANG He-yang HOU Yang-yang |
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| Affiliation: | ZHANG Jin,LI Yang,LIU Xiao-wei,PANG He-yang,HOU Yang-yang(College of Information and Technical Science,Nankai University,Tianjin 300071,China) |
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| Abstract: | Aimed at the problems of low cost-effective in embedded input systems,the virtual input method in embedded system based on digital image processing is presented.In this method,user typing process is recorded as motion jointed images by the camera in embedded device.After several image processing steps,such as corner reorganization and image segmentation,the target key clicked is located.Repeating the process,the information is transformed into device.Finally,the feasibility of the method is validated by pra... |
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| Keywords: | embedded system virtual input method fake keyboard embedded device human-computer |
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