Review of non-intrusive interaction based on camera
基于摄像机的无障碍交互技术综述

Camera can catch the information naturally expressed by people such as eye movements, expression, gesture and motion. For users, communicating with computers by camera is efficient and natural. It can provide a convenient addition to user-computer dialogues and reduce the obstacle to use computer. The article summarized the key problems of non-intrusive interaction based on camera and introduced the corresponding resolutions, then analyzed the limitations of the methods and challenges.