作者： 李金旺¹;，姚海峰²;，董科研^1,3;，杨宇光⁴;，宋延嵩³;，安岩³;，刘天赐¹; （¹长春理工大学光电工程学院；²北京理工大学光电学院；³长春理工大学空间光电技术研究所；⁴北京遥感设备研究所）

出处： 光学学报 2024 第44卷 第13期 P52-60

关键词： 光通信；视频传输；大气信道；压缩感知；现场可编程门阵列

摘要： 提出一种应用于空间激光通信视频传输的压缩感知算法，基于视频流的帧间图像质心特征差异和图像分块与图像质心的相对距离对测量矩阵与分块采样率进行优化，并基于现场可编程门阵列搭建视频压缩感知模拟系统，进行空间光视频数据传输实验。实验结果表明，当采样率为0.2时，对比传统分块压缩感知算法，所提算法得到的重构图 ...

作者： Yuzhen Wu¹;Lingxue Wang^1,2;CA1;Lian Zhang¹;Xudong Han¹;Dezhi Zheng^1,2;Shuigen Wang³;Yanqiu Li¹;Yi Cai^1,2; （¹MIIT Key Laboratory of Complex-Field Intelligent Exploration, School of Optics and Photonics, Beijing Institute of Technology, 5 Zhongguancun South Street, Beijing, 100081, China;²Beijing Institute of Technology, Zhuhai, No. 6 Jinfeng Road, Tangjiawan, Zhuhai, 519088, China;³Yantai IRay Technologies Lt. Co., 11 Guiyang Street, Yantai, 265501, China）

出处： ISPRS Journal of Photogrammetry and Remote Sensing 2024 Vol.216 P45-65

摘要： This paper presents a catadioptric omnidirectional thermal odometry (COTO) system that estimates the six degrees of freedom (DoF) pose of a camera usi ...

作者： Hui Fang¹;Dongdong Weng¹;CA1;Zeyu Tian¹;Yin Ma²;Xiangju Lu³; （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, No. 5 Zhongguancun South Street, Beijing, 100081, China;²Institute of Computing Technology, Chinese Academy of Sciences, No. 6 South Science Academy Road, Zhongguancun, Beijing, 100190, China;³iQIYI Inc., Hongcheng Building, No.;²North First Street, Haidian, Beijing, 100027, China）

出处： Computers & Graphics 2024 Vol.120 P103925

关键词： 3D talking meshes;Landmarks;Lip animation;Viseme

摘要： Generating talking lips in sync with input speech has the potential to enhance speech communication and enable novel applications. This paper presents ...

作者： 张雨彤^1,2,3;，江毅^1,2;，杨水旺⁴;，张大有⁵; （¹北京理工大学光电学院；²信息光子技术工业和信息化部重点实验室；³包头师范学院物理科学与技术学院；⁴北京振兴计量测试研究所；⁵北京航天计量测试技术研究所）

出处： 火箭推进 2024 第3期 P118-123

关键词： 光纤压力传感器；非本征法布里-珀罗干涉仪；蓝宝石晶片；绝对压力测量

摘要： 研制了一种用于临近空间飞行器在高温环境下的蓝宝石非本征法布里-珀罗干涉仪(extrinsic Fabry-Perot interferometer, EFPI)型光纤绝对压力传感器。蓝宝石晶片压力传感头由3片厚度不同的蓝宝石晶片键合构成,形成复合法布里-珀罗(Fabry-Perot, FP)腔,可以 ...

作者： Zhou,Shuhong¹;Wang,Shanshan¹;Hu,Yao¹;Zhang,Nansheng¹;Hao,Qun¹²; （¹Beijing Key Lab for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;²School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun, 130022, China）

出处： Optics Express 2024 Vol.31 No.2 P2418-2431

摘要： Instantaneous phase shifting interferometry technology, the core component of which is the pixel micropolarizer camera, has been widely used in commer ...

作者： Zhang,Shuo¹;Liu,Bin¹;Zhang,Xi¹;Wen,Congyang¹;Sun,Haoran¹;Liu,Xianwen¹;Yao,Qi¹²;Zi,Xiaorui¹;Bao,Zongchi¹;Xiao,Zijin¹;Zhang,Yunsong¹;Yuan,Guangcai²;Guo,Jian²;Ning,Ce²;Shi,Dawei²;Wang,Feng¹;Yu,Zhinong¹; （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;²Beijing BOE Optoelectronics Technology Co., Ltd, Beijing, 100176, China）

出处： Materials Science in Semiconductor Processing 2024 Vol.173

摘要： In this study, the modification of indium gallium zinc oxide (IGZO) thin-film transistors (TFTs) with an ultrathin metal oxide layer successfully redu ...

作者： Zhang,Xue¹²;Li,Tianhao¹;Zhou,Hongqiang¹²;Li,Yao³;Li,Junjie³;Li,Xiaowei⁴;Wang,Yongtian¹;Huang,Lingling¹; （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;²Department of Physics and Optoelectronics, Faculty of Science, Beijing University of Technology, Beijing, 100124, China;³Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100191, China;⁴Laser Micro/Nano-Fabrication Laboratory, School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China）

出处： Laser and Photonics Reviews 2024

摘要： Metasurfaces have great advantages in the field of laser detection because of their ability to generate large amounts of point sources or various diff ...

作者： Zhou,Chen¹;Chen,Yanjie¹;Li,Yao²;Li,Junjie²;Zhao,Ruizhe¹;Tao,Chengdong³;Liu,Chuanbao⁴;Bai,Yang³;Li,Xin¹;Wang,Yongtian¹;Huang,Lingling¹; （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display, MIIT Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;²Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100191, China;³Beijing Advanced Innovation Center for Materials Genome Engineering, Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, 100083, China;⁴School of Materials and Engineering, University of Science and Technology Beijing, Beijing, 100083, China）

出处： Advanced Functional Materials 2024

摘要： As an important method of image processing, image differentiation enables edge detection of targets to achieve recognition of object features and info ...

作者： Kong,Lingqin¹²³;Li,Luyao¹²;Yuan,Jing¹²;Zhao,Yuejin¹²³;Dong,Liquan¹²³;Liu,Ming¹²³;Zhao,YueBin⁵;Lu,Tielin⁴;Chu,Xuhong¹²³; （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;²Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing, 100081, China;³Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314019, China;⁴Instrumentation Technology and Economy Institute, Beijing, 100055, China;⁵Taiyuan City Central Hospital, Taiyuan, 030009, China）

出处： Biomedical Signal Processing and Control 2024 Vol.91

摘要： Hemoglobin concentration is an important indicator for evaluating human health. The concentration value is an important evidence for early diagnosis o ...

作者： Zhou,Shiyun¹²³;Li,Lang¹²³;Gao,Chunqing¹²³;Fu,Shiyao¹²³; （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing, 100081, China;²Key Laboratory of Information Photonics Technology, Ministry of Industry and Information Technology of the People’s Republic of China, Beijing, 100081, China;³Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of the People’s Republic of China, Beijing, 100081, China）

出处： Optics Letters 2024 Vol.49 No.1 P173-176

摘要： Analyzing the orbital angular momentum (OAM) distribution of a vortex beam is critical for OAM-based applications. Here, we propose a deep residual ne ...