一种基于单摄像头的虚拟键盘

摘要

A design of virtual keyboard based on camera is proposed. It can interact with people and computer by action of finger under camera as keyboard. In this design it only need signal camera to track the hand, confirm the action and position of the finger by the outline and color information of the hand. It finished a virtual keyboard with no material object by the behavior as knock keyboard.%提出了一种基于单摄像头的虚拟键盘的实现方法,利用手指在摄像头下的位置和动作,完成类似于键盘的人机交互.该方法只使用一个普通的摄像头,结合人手的颜色和轮廓信息,实现对人手的跟踪,实时判断人手指的位置和动作,以手指敲击键盘的动作为标准,实现一种无需实体的虚拟键盘.