张军
作者: Zhang, Jun1;Cheng, Zhibiao1;Fan, Ziting1;Zhang, Qilin2;Zhang, Xile2;Yang, Ruijie2;Wen, Junhai1; (1Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, China;2Department of Radiation Oncology, Peking University Third Hospital, Beijing, China)
出处: Radiation Oncology 2022 Vol.17 No.1
摘要: Background: This paper describes the development of a predicted electronic portal imaging device (EPID) transmission image (TI) using Monte Carlo (MC) ...
作者: Liu, Zhaoxuan1; Zhang, Jun2; Y., Zhu; K., Cai (1Beihang University, Beijing; 100191, China;2Beijing Institute of Technology, Beijing; 100081, China)
出处: Journal of Guidance, Control, and Dynamics 2022 Vol.45 No.6 P1017-1032
作者: Na, Rui1; Hu, Chun1; Sun, Ying1; Wang, Shuai1; Zhang, Shuailei1; Han, Mingzhe1; Yin, Wenhan1; Zhang, Jun2; Chen, Xinlei3; Zheng, Dezhi1 (1Beihang University, Xueyuan Road No. 37, BeiJing; 100191, China;2Beijing Institute of Technology, Zhongguancunsouth Street No. 5, Beijing; 100081, China;3Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen; 518055, China)
出处: Digital Signal Processing: A Review Journal 2022
作者: Kong, Hui;Wang, Jian;Zheng, Hongfei;Wang, Hongsheng;Zhang, Jun;Yu, Zhufeng;Bo, Zheng (1School of Mechanical Engineering, Beijing Institute of Technology, Beijing, 100081, China;2State Key Laboratory of Power System, Department of Thermal Engineering, Tsinghua-BP Clean Energy Center, Tsinghua University, Beijing, 100084, China;3China Energy Technology & Economics Research Institute. Research Building 1, Research Garden of Shenhua Innovation Base, Future Science Park, Changping District, Beijing, 102211, China;4Department of Chemistry, Seoul National University, Seoul, 08826, South Korea;5MOE Key Laboratory of Hydrodynamic Transients, School of Power and Mechanical Engineering, Wuhan University, Wuhan, 430072, Hubei, China;6State Key Laboratory of Clean Energy Utilization, College of Energy Engineering, Zhejiang University, Hangzhou, 310027, Zhejiang, China)
出处: Energy 2022 Vol.239 Part C P122167
关键词: GENERATION;H-2;CO2
摘要: Direct coal liquefaction turns solid coal into transportable liquid fuel with a high energy conversion efficiency of nearly 60%. However, the hydrogen ...
作者: Tian, Ye1, 3; Fu, Ying2; Zhang, Jun1, 3 (1School of Information and Electronics, Beijing Institute of Technology, Beijing; 100081, China;2School of Computer Science and Technology, Beijing Institute of Technology, Beijing; 100081, China;3Advanced Research Institute of Multidisciplinary Science, Beijing Institute of Technology, Beijing; 100081, China)
出处: Science China Information Sciences 2022 Vol.Vol.65 No.No.10
作者: Zhang, Jun;Fan, Ziting;Zhang, Xile;Yang, Ruijie;Wen, Junhai (1Department of Biomedical Engineering, School of Life Science, Beijing Institute of Technology, Beijing, 100081, China;2Department of Radiation Oncology, Peking University Third Hospital, Beijing, 100191, China)
出处: Diagnostics 2021 Vol.11 No.9 P1654
关键词: 3D DOSE RECONSTRUCTION;OPTIMAL BACKSCATTER;EPID DOSIMETRY;MODEL;ALGORITHM;IMAGES;IMRT;VERIFICATION;SENSITIVITY;FLUENCE
摘要: Support arm backscatter and off-axis effects of an electronic portal imaging device (EPID) are challenging for radiotherapy quality assurance. Aiming ...
发明人: 边丽蘅,王华依,张军
申请人: 北京理工大学
申请号: 202011295796.X
申请日期: 2020.11.18
摘要: 本申请提出了一种免成像的车牌内容识别方法及系统,其中,方法包括:根据深度神经网络设计单像素免成像的多目标识别网络;建立免成像的多目标识别数据集,包含单像素一维测量值和对应的车牌字符;使用该数据集对多目标识别网络进行训练,得到优化的多目标识别模型参数;利用单像素探测器采集场景经编码调制后的一维耦合测量 ...
发明人: 边丽蘅,傅毫,张军
申请人: 北京理工大学
申请号: 202011295773.9
申请日期: 2020.11.18
摘要: 本申请提出了一种免成像的边缘信息检测方法及系统,其中,方法包括:基于深度神经网络设计免成像边缘解码网络;选定空间光调制掩膜,建立训练数据集,数据集中包括不同场景的单像素测量值和对应的边缘信息;通过数据集对免成像边缘解码网络进行训练;搭建单像素采集系统,通过单像素探测器采集场景的耦合测量值,并将采集的 ...
作者: 张军,姜惠宸 (中国工程院;北京理工大学中国工程科技前沿交叉战略研究中心)
出处: 中国发展观察 2020 第5-6期 P72-77
发明人: 边丽蘅,李萌,张军,曹先彬
申请人: 北京理工大学
申请号: 201910461680.X
申请日期: 2019.05.30
摘要: 本发明提出一种基于幅度调制的单像素相位成像方法和装置,其中,方法包括:获取多个幅度调制图案,并依次将多个幅度调制图案加载至空间光调制器;将空间光调制器依次根据多个幅度调制图案对预设光源调制后的光源投射至目标物体;通过单像素探测器依次获取多个幅度调制图案分别投射至目标物体后对应的光学傅里叶平面的多个中 ...