院系详细页面

[外文期刊] Early Noninvasive Monitoring of Hypoxic State of Diabetic Foot Based on Diffuse Reflectance Spectroscopy SCIE

作者： Ge Xu;Ge Xu;Liquan Dong;Liquan Dong;Liquan Dong;Jing Yuan;Jing Yuan;Yuejin Zhao;Yuejin Zhao;Yuejin Zhao;Ming Liu;Ming Liu;Ming Liu;Mei Hui;Mei Hui;Lingqin Kong;Lingqin Kong;Lingqin Kong （School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China）

出处： Frontiers in Physics 2022 Vol.10

关键词： diffuse reflectance spectroscopy;monte carlo simulation;diabetic foot;hypoxic state;blood oxygen saturation;blood volume fraction

摘要： Early accurate diagnosis and assessment severity of the hypoxic state of diabetic foot is of paramount importance. In this paper, a noninvasive monito ...

[外文期刊] Diffuse Imaging Approach for Universal Noninvasive Blood Glucose Measurements SCIE

作者： Ming Liu;Ming Liu;Ming Liu;Ge Xu;Ge Xu;Yuejin Zhao;Yuejin Zhao;Yuejin Zhao;Lingqin Kong;Lingqin Kong;Lingqin Kong;Liquan Dong;Liquan Dong;Liquan Dong;Fen Li;Fen Li;Fen Li;Mei Hui;Mei Hui （School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China National Astronomical Observatories, Chinese Academy of Science, Beijing, China School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, China）

出处： Frontiers in Physics 2022 Vol.10

关键词： noninvasive blood glucose concentration monitoring;diffuse image;scattering coefficient;gradient boosting regression;deep feature

摘要： We proposed a diffuse imaging approach for universal noninvasive blood glucose measurements based on visible light, which can predict the blood glucos ...

[中文期刊] 激光聚变靶丸球面经纬迹线优化球度测量方法 CA CSCD 核源

作者：黄婧雯，马仙仙，刘子豪，赵维谦，邱丽荣（北京理工大学光电学院）

出处：仪器仪表学报 2022 第43卷第1期 P127-135

关键词：激光聚变靶丸；差动共焦；球面轨迹优化；球度评定；三维重构

摘要：针对激光聚变靶丸表面3D全形貌的高精度测量与评价难题，提出一种基于激光差动共焦原理的靶丸球面经纬迹线优化球度测量方法。该方法采用经纬迹线划分方案提高形貌信息采样覆盖率，实现靶丸球面形貌高效高精度测量。首先，利用差动共焦测量系统对靶丸球面经纬迹线上二维圆周采样点进行精准定焦，获取二维轮廓信息；然后，利 ...

[中文期刊] Freeform OST-HMD system with large exit pupil diameter and vision correction capability CSCD

作者： DEWEN CHENG，JIAXI DUAN，HAILONG CHEN，HE WANG，DANYANG LI，QIWEI WANG，QICHAO HOU，TONG YANG，WEIHONG HOU，DONGHUA WANG，XIAOYU CHI，BIN JIANG，YONGTIAN WANG （Beijing Engineering Research Center of Mixed Reality and Advanced Display，School of Optics and Photonics，Beijing Institute of Technology；Ned Co.，Ltd.；Goertek Co.，Ltd.）

出处： Photonics Research 2022 第10卷第1期 P21-32

摘要： Compactness and light weight, large exit pupil diameter and distance, small distortion for virtual image, and see-through light paths are pivotal fact ...

[中文期刊] 用于亚公里级三维成像的全光相机主物镜设计剑桥核源

作者：冀鹏州，穆郁，张晨钟，孟军合，赵侃，徐大维（天津津航技术物理研究所；北京理工大学光电学院）

出处：红外与激光工程 2022 第51卷第3期 P307-313

关键词：三维成像；全光相机；主物镜；光学设计；亚公里级

摘要：全光相机可以在成像后进行重聚焦，并且一次曝光就可以同时获取目标的位置信息和方向信息。相较于主动测距方法和传统的被动测距方法，基于全光相机的深度测量方法具有不易被侦查和易于标定的优势。基于全光相机的三维成像技术是集前端光学系统与后端信息处理为一体的计算成像技术，目前的研究工作主要集中于后端信息处理算法 ...

[中文期刊] 一种人体体表三维温度场的融合重建方法 CSCD 核源

作者：杨炎龙，徐超（北京理工大学光电学院光电成像技术与系统教育部重点实验室）

出处：红外技术 2022 第44卷第1期 P33-40

关键词：三维温度场重建；热像仪测温标定；多波段光学标定；红外图像处理；人体皮肤特性

摘要：重建人体体表三维温度场能够为包括诊断在内的多项人体医学分析提供可靠数据。由于红外成像具有温度测量精度低、成像分辨率不足以及显示效果较差等缺陷,导致重建的目标三维温度场的可靠性存在不足。针对这些问题,提出一种针对人体体表的三维温度场的融合重建方法。即首先采用黑体测温标定的方法,对红外热像仪的测温结果进 ...

[外文期刊] Terahertz Non-Destructive Testing and Imaging of High-Voltage Cables SCIE

作者： Zhang Zhenwei;Zhang Zhenwei;Xu Jing;Jia Rui;Wu Yinghong;Guan Hao;Han Siyi;Zhang Cunlin;Zhao Yuejin （Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Key Laboratory of Terahertz Optoelectronics, Department of Physics, Beijing Engineering Research Center of Terahertz and Infrared Technology, Capital Normal University, Beijing, China Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, China）

出处： Frontiers in Physics 2022 Vol.10

关键词： terahertz;terahertz imaging;non-destructive testing;frequency modulated continuous wave;cross-linked polyethylene;110.2970

摘要： The evaluation of the internal defects in high-voltage cross-linked polyethylene cables is highly crucial for the security and reliability of power tr ...

[中文期刊] 面向嵌入式平台的轻量化神经网络手势识别方法 CA CSCD 剑桥核源

作者：杨晨奕，何玉青，赵俊媛，李国荣（北京理工大学光电学院光电成像技术与系统教育部重点实验室）

出处：强激光与粒子束 2022 第34卷第3期 P142-150

关键词：手势识别；深度神经网络；嵌入式；轻量化；MobileNev3-SSDLite

摘要：针对传统基于图像分割和特征提取的手势识别算法在复杂背景下识别准确率低、灵活性差的问题，基于目标检测神经网络的手势识别算法可以有效提高复杂环境下手势识别的准确性。受嵌入式处理器体积和功耗的限制，常用的目标检测神经网络在嵌入式上的识别速度较低，不能满足实时手势识别的要求。在SSD目标检测的基础上对其进行 ...

[中文期刊] 真空镓固定点黑体辐射源研制 CSCD 核源

作者：宋健，郝小鹏，胡朝云，周晶晶，杨延龙，刘洋，谢臣瑜（中国计量科学研究院；北京理工大学光电学院；成都理工大学核技术与自动化工程学院）

出处：计量学报 2022 第43卷第2期 P163-168

关键词：计量学；辐射定标；黑体；镓固定点；红外遥感

摘要：为满足红外遥感载荷实验室辐射定标需求,实现红外遥感辐射量值溯源到ITS-90国际温标,研制了真空镓固定点黑体辐射源。黑体腔开口直径为25 mm,深度220 mm,内部喷涂高发射率涂层,通过仿真计算黑体腔的发射率优于0.999 9。在真空下测试了镓固定点相变坪台的复现性为4.4 mK,坪台稳定性优于2 ...

[中文期刊] 633nm内腔式He-Ne激光器热-频率特性研究 CSCD 剑桥核源

作者：席路，殷聪，王建波，石春英，蔡山，刘若男，李孟瑶，张超超（中国计量科学研究院几何量计量科学研究所；中国计量大学计量测试工程学院；北京理工大学光电学院）

出处：中国激光 2022 第49卷第6期 P161-168

关键词：激光器；内腔式He-Ne激光器；双纵模；功率平衡；高低温试验；频率漂移

摘要：研究了在-20～40℃环境温度下633nm内腔式He-Ne激光管的自由运转特性,设计了激光器系统的预热和稳频控制方案,实现了633nm内腔式He-Ne激光器的频率稳定。当室温约为24℃时,锁定后的热稳频激光器与高精度碘稳定激光器的拍频结果显示,3h内频率的相对标准不确定度为u=6.4×10 -9 , ...