基于局部梯度插值的显微热成像系统微扫描误差修正技术  

Thermal microscope imaging system microscanning error correction technique based on local gradient interpolation

作　　者：高美静[1] 王留柱 谈爱玲[1] 张博智 李时雨 杨铭 GAO Meijing;WANG Liuzhu;TAN Ailing;ZHANG Bozhi;LI Shiyu;YANG Ming(The Key Laboratory for Special Fiber and Fiber Sensor of Hebei Province,College of Information Science and Engineering,Yanshan University,Qinhuangdao 066004,China)

机构地区：[1]燕山大学信息科学与工程学院河北省特种光纤与光纤传感重点实验室

出　　处：《光学技术》2019年第6期724-729,共6页Optical Technique

基　　金：国家自然科学基金资助项目(61971373);河北省自然科学基金(F2019203440);秦皇岛市重点研发计划科技支撑项目(201801B010);河北省教育厅在读研究生创新能力培养资助项目(CXZZSS2019050)

摘　　要：显微热成像系统可观测、记录分析细微目标的温度变化过程,在需要细微热分析的诸多方面有着广泛的发展前景。由于设备加工及工作过程中存在误差,影响微扫描系统的精度,使得微扫描系统扫描过程中偏离标准位置,故采集得到的四幅低分辨力图像会存在误差,最终影响显微热成像系统高分辨力图像的重建质量。为尽可能降低微扫描误差,文章提出了基于局部梯度插值与预处理相结合的微扫描误差修正技术,通过进行模拟仿真和实验证实该技术可以降低系统微扫描误差,提高系统的空间分辨力。The micro-thermal imaging system can observe and record the temperature change process of subtle targets,and has broad development prospects in many aspects that require detailed thermal analysis.Due to the error in the processing and working process of the device,affecting the accuracy of the micro-scanning system,causing the micro-scanning system deviates from the standard position during the scanning process,so the four low-resolution images acquired have errors,ultimately affecting the reconstruction quality of high resolution images of systems.In order to reduce the micro-scanning error as much as possible,a micro-scanning error correction technique based on local gradient interpolation and pre-processing was proposed.The simulation and experiment prove that the technique can reduce the system micro-scanning error and improve the spatial resolution of the system.

关 键 词：显微热成像系统 微扫描 微扫描误差 空间分辨力 

分 类 号：TP751.2[自动化与计算机技术—检测技术与自动化装置]