发明人：郝群，崔焕，曹杰，周栋，王超

申请日期：2022.11.15

摘要：本发明公开一种基于对数直线变换的变分辨全景鬼成像方法及系统，基于对数直线变换和对数极坐标映射特性，生成仿人眼变分辨环形散斑序列，利用所述仿人眼变分辨环形散斑序列调制光源，调制后的光源发射光照射到曲面反射镜上，将探测器接收漫反射回来的带有目标信息的光强信号的光强值和所述仿人眼变分辨环形散斑序列映射对应 ...

发明人：程阳，郝群，李志阔，陈传训，曹杰

申请日期：2022.06.06

摘要：无机械移动部件的变焦系统及方法，结构简单、响应速度快、体积小、成本低，对液体材料选择要求低，可直接观察液体形状，且变焦范围大。系统包括：圆形介电弹性体(3)、上柔性电极(4)、下柔性电极(5)、平顶空心圆台(6)、透明液体(7)、凸缘部(10)、高压电源(13)、开关(14)；在圆形介电弹性体的上、 ...

发明人：张韶辉，郑传建，郝群，赫建，许刚

申请日期：2022.05.07

摘要：一种计算显微成像系统的LED阵列光源位姿自校正方法，其能够消除现有系统对多自由度精密机械调节装置的需求，并解决现有校正方法不准确、不完备和和校正时间过长的问题。其包括：(1)依次点亮LED阵列中的LED灯，用COMS相机采集带LED位姿偏差的FPM数据集；(2)从数据集中选择存在明暗场交界的低分辨率 ...

作者：宋勇¹;，郝群¹;，杨光¹;，孙宏伟²; （¹Department of Optoelectronic Engineering, Beijing Institute of Technology；²Unit 96101）

出处：Journal of China Ordnance 2007

作者：Yang Cheng;Chuanxun Chen;Lin Liu;Jie Cao;Yingying Xu;Qun Hao （¹ Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, Beijing Institute of Technology, Beijing 100081, China. ² Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314003, China. ³ National Institute of Metrology, Beijing 100029, China.）

出处：Biomimetics (Basel, Switzerland) 2023

关键词：Alvarez lens;artificial muscle material;decentered lens;dielectric elastomer;two-dimensional varifocal scanning.

摘要：This paper presents a compact two-dimensional varifocal-scanning imaging device, with the capability of continuously variable focal length and a large ...

作者：Xiyan Wu;Yufei Zhao;Yong Song;Yurong Jiang;Yashuo Bai;Xinyi Li;Ya Zhou;Xin Yang;Qun Hao （¹School of Optics and Photonics, Beijing Institute of Technology, Beijing, 10081, China;²Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, Beijing Institute of Technology, Beijing, 10081, China）

出处：Neurocomputing 2023

摘要：Spiking Neural Networks (SNNs) operate with asynchronous discrete events which enable lower power and greater computational efficiency on event-driven ...

作者：Xiaomeng Xue，Menglu Chen，Yuning Luo，Tianling Qin，Xin Tang，Qun Hao （School of Optics and Photonics，Beijing Institute of Technology，No.5 Zhongguancun South Street，Beijing，China；School of Optics and Photonics，Beijing Institute of Technology，No.5 Zhongguancun South Street，Beijing，China；Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology，Beijing，China；Yangtze Delta Region Academy of Beijing Institute of Technology，Beijing，China）

出处：光(科学与应用)(英文版) 2023

摘要：Due to thermal carriers generated by a narrow mid-infrared energy gap,cooling is always necessary to achieve ideal photodetection.In quantum dot(QD),t ...

作者：Li Zhang;Qun Hao;Jie Cao （¹Key Laboratory of Biomimetic Robots and Systems, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China）

出处：Agriculture 2023

关键词：fine-grained;attention mechanism;maturity classification;open-world

摘要：Fuji apples are one of the most important and popular economic crops worldwide in the fruit industry. Nowadays, there is a huge imbalance between the ...

作者：Rong Yan;Wenli Wang;Yao Hu;Qun Hao;Liheng Bian （¹MIIT Key Laboratory of Complex-Field Intelligent Sensing, Beijing Institute of Technology, Beijing 100081, China;²Beijing Key Laboratory for Precision Optoelectronic Measurement Instrument and Technology, School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, China）

出处：Nanomaterials 2023

关键词：infrared single-pixel;metasurface;dual modes;optical computing;biomedical image segmentation

摘要：Infrared single-pixel sensing with the two most representative modes, bright-field imaging and edge-enhanced imaging, has great application potential ...

作者：Huan Cui;Jie Cao;Qun Hao;Dong Zhou;Haoyu Zhang and Yingqiang Zhang （¹School of Optics and Photonics, Beijing Institute of Technology, Key Laboratory of Biomimetic Robots and Systems, Ministry of Education, Beijing 100081, China ; ²Yangtze Delta Region Academy, Beijing Institute of Technology, Jiaxing 314003, China ; ³Changchun University of Science and Technology, Changchun, 130022, China ; ⁴qhao@bit.edu.cn）

出处：Optics Express 2023

关键词：Ghost imaging;Imaging techniques;Light intensity;Reconstruction algorithms;Terahertz imaging;X ray imaging

摘要：Panoramic ghost imaging (PGI) is a novel method by only using a curved mirror to enlarge the field of view (FOV) of ghost imaging (GI) to 360°, making ...