两维编码光电检测与识别技术

Research of Two-Dimensional Code Photoelectric Detection and Recognition Technology

提出了一种基于光电检测与识别的平面位置检测方法,以此为基础完成了一种新型计算机手写输入系统设计。给出了位置编码算法以及基于图像采集与图像处理的编码识别方法,讨论了光电检测系统的结构及其光路设计,给出了坐标转化及笔的起落检测方法,可以完成书写和绘画等传统鼠标难以完成的功能。

A surface position location method based on photoelectric detection and recognition technology is presented, The design of a new kind of computer input device using this technology is completed. The position encode algorithm and the code recognition method based on image acquisition and image process are also presented. The structure of photoelectric detection system and light path design are discussed. The coordinate conversation algorithm and the detected technology of pen down and up are provided. The detection system designed according to the above method can provide the functions of writing and drawing which is hard for traditional mouse.