大尺寸部件测量信息高速并行处理系统设计  

Design of high-speed parallel processing system for large-scale objects vision measurement information

作　　者：王文清[1] 沈海阔[1] Wang Wenqing Shen Haikuo(School of Mechanical and Electronic Control Engineering, Beijing Jiaotong University, Beijing 100044, China)

机构地区：[1]北京交通大学机械与电子控制工程学院,北京100044

出　　处：《电子测量技术》2016年第9期108-113,共6页Electronic Measurement Technology

基　　金：国家重大科学仪器设备开发专项(2013YQ350747)资助

摘　　要：针对航空、航天等工业中的大尺寸部件,传统的测量方法精度低、效率低,研发一种全视角、高精度的三维测量设备尤为必要。全视角图像信息处理是整个设备的关键,为了高速、高实时性地处理大尺寸图像信息,对高速并行图像处理技术进行研究,设计基于FPGA+双多核DSP的并行图像处理方案,实现系统硬件电路,提出并行处理的软件实现方法,将图像处理算法向硬件系统移植,对系统进行试验验证。对8 000×10 000的图像处理结果表明,单帧图像处理平均速度不大于0.15s。Due to the low precision and efficiency of traditional measuring methods for large‐scale objects in aerospace field ,it is necessary to develop a 3D vision measuring equipment with full‐view and high precision .The full‐view image information processing system is the key of the equipment . In order to deal with the large measurement image information timely and effectively ,research on high‐speed parallel image processing technology ,design a parallel image processing scheme based on double multicore DSP and FPGA and implement the hardware circuit .Put forward the software realization method of parallel processing .Apply the image processing algorithm to the hardware system and then the system is verified by experiment .For a large image of 8 000 × 10 000 ,the result proves that the processing speed of single image within 0 .15 s .

关 键 词：大尺寸部件 图像并行处理 FPGA 多核DSP 

分 类 号：TN911.73[电子电信—通信与信息系统]