快速不规则图廓提取法简易激光成像系统探究与实现  

Research and Implementation of a Simple Laser Imaging System Based on Fast Irregular Contour Extraction

作　　者：尤锦江 陶辰宁 蔡建楠 朱思宇 李炯 陈水桥[2] YOU Jinjiang;TAO Chenning;CAI Jiannan;ZHU Siyu;LI Jiong;CHEN Shuiqiao(Chu Kochen College,Zhejiang University,Hangzhou 310027,China;Physics Department,Zhejiang University,Hangzhou 310027,China)

机构地区：[1]浙江大学竺可桢学院,浙江杭州310027 [2]浙江大学物理学系,浙江杭州310027

出　　处：《大学物理实验》2021年第5期58-64,共7页Physical Experiment of College

基　　金：浙江大学高等教育“十三五”教学改革研究项目(zdjg19031)。

摘　　要：探究了利用振镜实现激光成像的基本原理,设计了一套基于STM32单片机和DAC8562数模转换器的激光成像系统。其中STM32单片机用于处理数据并输出数字信号,DAC8562模块用于将数字信号转换为驱动振镜工作的模拟信号。并用数学公式推导了“轮廓提取”算法,研发了基于任意图片的“轮廓提取”自动生成图像数据的软件,获得了稳定的激光图像。最后还分析了激光成像系统的优缺点和未来拓展方向。系统实现方法即简便又低成本,适合作为演示实验仪器进行推广。It explores the basic principle of laser imaging by using galvanometer,and designs a laser imaging system based on STM32 single chip microcomputer and DAC8562 digital to analog converter.STM32 single chip microcomputer is used to process data and output digital signal,and DAC8562 module is used to convert digital signal into analog signal driving the mirror.The algorithm of“contour extraction”is deduced by mathematical formula.The software of automatically generating image data based on any picture is developed,and the stable laser image is obtained.Finally,the advantages and disadvantages of laser imaging system and the future development direction are analyzed.The system is simple and low cost,and it is suitable for the promotion of demonstration experiment instrument.

关 键 词：激光扫描成像 扫描振镜 STM32单片机 DAC8562数模转换器 图像轮廓提取 

分 类 号：O4-33[理学—物理]