TOF成像系统光功率分析及仿真  

Analysis and simulation of reflected power in time-of-flight imaging

作　　者：段争光[1] DUAN Zheng-guang(Collaborative Innovation Center for Opto-Mechatronics Application Technology,Wuhu Institute of Technology,Wuhu 241003,China)

机构地区：[1]芜湖职业技术学院光机电一体化应用技术协同创新中心,安徽芜湖241003

出　　处：《西南民族大学学报（自然科学版）》2020年第6期643-647,共5页Journal of Southwest Minzu University(Natural Science Edition)

基　　金：芜湖市科技成果转化计划项目(2017cg09);安徽高校自然科学研究重点项目(KJ2018A0703)。

摘　　要：随着TOF成像技术的不断发展,由于具有成本和结构的优势,可以在机器人技术、控制、交通等领域应用.针对应用场景中拍摄物体所处的光功率进行分析,便于设计人员开发、使用.首先对成像像素区域进行理论分析,然后采用MATLAB对光的辐射强度进行仿真,根据应用场景的距离得到TOF相机成像区域各像素的辐照强度.可以很直观的看出辐照强度在应用场景的分布.得到的结果便于开发人员对TOF相机的安全使用分析、光学系统和照明功率设计.With the development of time-of-flight(TOF)imaging technology,due to its advantages of cost and structure,it can be applied in the fields of robotics,control,and transportation.This paper analyzes the object reflected power in the application scene.First,this paper theoretically analyzes the imaging pixel area,and then uses MATLAB to simulate the radiation intensity of light.Secondly,the radiation intensity of each pixel in the imaging area of the TOF camera is obtained according to the distance of the application scene.The distribution of the irradiation intensity in the application scene is directly perceived.The result would be useful for the design of safe use analysis,optical systems and lighting power of TOF camera.

关 键 词：辐照强度 像素 近红外光 光功率 

分 类 号：O439[机械工程—光学工程]