基于ARM平台的深度图像采集程序设计与实现11.87

基于ARM平台的深度图像采集程序设计与实现Design and implementation of depth image acquisition progamebase on ARM platformAbstractIn today's intelligent information age,three-dimensional image acquisition isdeveloping rapidly and used widely.Through the lens to identify,track and measurethe target,and then do further image processing,the pictures which get suitable forhuman observation or machine identification are the main role of three-dimensionalimage acquisition.At present,there are several research methods on the depth ofimage acquisition,including triangulation,TOF ranging,interferometry and structurallight.The subject mainly study a image acquisition system based on the ARMplatform,the measurement principle is phase difference calculated by thetransmission signal and the return signal,and then the distance of each pixel is gotten.The main work of thesis is as follows:(1)Understand the development of TOF distance measurement technology at homeand abroad,access to information to understand the different three-dimensionalinformation collection methods and their advantages and disadvantages.According tothe design requirements,a complete system design is formulated.(2)Master the epc610 chip TOF ranging principle,the pin parameters,register readand write command words and LED modulation,drawing epc610 acquisition systemcircuit diagram.(3)Prepare and debug the program to achieve the image data collection andprocessing,get the final three-dimensional information to solve the zero drift,thechoice of integration time and other key issues.(4)Complete the measurement of data in different conditions,calculate the measure-ment accuracy,combine with the theoretical knowledge to analysis experimentalresult,and draw conclusions.Key words:3D image acquisition;TOF ranging;integration time;modulated light;SPI