作者：BOYU MAO¹;，TONG YANG^1,2;，HUIMING XU¹;，WENCHEN CHEN¹;，DEWEN CHENG¹;，YONGTIAN WANG^1,2; （¹Beijing Engineering Research Center of Mixed Reality and Advanced Display,School of Optics and Photonics,Beijing Institute of Technology；²Beijing Key Laboratory of Advanced Optical Remote Sensing Technology,School of Optics and Photonics,Beijing Institute of Technology）

出处：Photonics Research 2023

摘要：Using freeform optical surfaces in lens design can lead to much higher system specifications and performance while significantly reducing volume and w ...

作者：Xin Li，Qinmiao Chen，Xue Zhang，Ruizhe Zhao，Shumin Xiao，Yongtian Wang，Lingling Huang （Beijing Engineering Research Center of Mixed Reality and Advanced Display, School of Optics and Photonics, Beijing Institute of Technology；MoE Key Laboratory of Photoelectronic Imaging Technology and System, and MIIT Key Laboratory of Photonics Information Technology, School of Optics and Photonics, Beijing Institute of Technology；State Key Laboratory on Tunable Laser Technology, Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information System, Harbin Institute of Technology (Shenzhen)；National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology；Collaborative Innovation Center of Extreme Optics, Shanxi University）

出处：Opto-Electronic Advances 2023

关键词：metasurface；color holography；dynamic display；code division multiplexing

发明人：黄玲玲，杨斯雯，魏群烁，赵睿哲，李昕，张雪，景晓丽，李晓炜，王涌天

申请日期：2023.07.04

摘要：本发明公开的一种基于单个全介质超表面的深度测量与边缘提取方法，属于微纳光学和图像信息提取应用领域。全介质超表面的相位分布依据菲涅耳波带法获得，每个菲涅耳区对应一个具有不同拓扑电荷数的螺旋相位，从内到外依次增加，生成双螺旋点扩散函数。将超表面置于4f系统的频谱面上，在其前后分别放置一对线性偏振器和四分 ...

发明人：程德文，黄逸伦，李阳，侯起超，王涌天

申请日期：2023.06.26

摘要：本发明提供了一种具有拼接面型的超轻薄高清目视镜头及设计方法，采用环形拼接非球面，具有基于超短焦光学成像特性的转换方式和拼接条件，由中心区域的圆形非球面以及一个或多个外层的环形非球面组成；结构上采用三片透镜以及多种偏振元件，镜片光焦度分配均匀，面型平缓，可以获得较低的应力；所述目镜拥有大出瞳直径、大视 ...

作者：陆凯^1,2;，岳康^1,2;，胡昊辰^1,2;，沙浩^1,2;，刘越^1,2,3;，王涌天^1,2,3; （¹北京市混合现实与新型显示工程技术研究中心；²北京理工大学光电学院；³北京电影学院未来影像高精尖创新中心）

出处：计算机辅助设计与图形学学报 2023

关键词：虚拟现实；神经反馈；脑-机接口；认知能力；神经康复

摘要：随着虚拟现实技术及脑-机接口技术的快速发展,虚拟现实在认知训练及神经康复等领域得到了广泛的应用,逐渐成为相关领域研究的热点.与传统的认知训练方法相比,应用于神经反馈训练中的虚拟现实技术通过将用户真实的训练环境替换为可定制的沉浸式虚拟环境,在显著降低系统使用成本的同时有效地提升了训练绩效.从虚拟现实技 ...

发明人：丁贺，成子怡，彭焰秀，盛兴，杨健，王涌天

申请日期：2022.03.18

摘要：基于微尺度光电上转换器件的光学温度计及其制造方法，制造的光学温度计具有体积小、精确性高、不受电磁干扰、远程检测的优势，对生物穿透能力更强，更容易捕获和检测。方法包括：(1)在GaAs衬底上生长InGaP红LED和双结GaAs光电二极管，在器件层和GaAs衬底之间有一个Al_0.95

发明人：翁冬冬，方慧，王涌天

申请日期：2023.07.20

摘要：本发明公开了一种基于视素修正的语音驱动面部方法，一、采集人脸的语音—带标记的面部图像数据对；二、对所采集数据分别进行语音预处理、三维标记点预处理，得到可直接输入网络的训练数据；三、将训练数据输入神经网络进行训练，实现语音向面部三维标记点的映射；四、利用视素修正算法优化步骤三得到的三维标记点；本发明能 ...

作者：Luo Bin，Wang Yong-Tian，Liu Yue （School of Optics and Electronics Beijing Institute of Technology Beijing 100081 China；Institute of Computer Application Chinese Academy of Engineering and Physics Mianyang 621900 China）

出处：自动化学报 2010

摘要：Accurate head pose tracking is a key issue to accomplish precise registration in indoor augmented reality systems. This paper proposes a novel approac ...

作者：Jiuwei Gao^{1   2};Yubo Fan³;Qingtian Zhang⁴;Lei Luo^{1   2};Xiaoqi Hu^{1   2};Yue Li^{1   2};Juncai Song^{1   2};Hanjun Jiang^{1   2};Xiaoyu Gao^{1   2};Lu Zheng^{1   2   5};Wu Zhao³;Zhenhua Wang^{1   2   5};Wei Ai^{1   2   5};Yuan Wei^{1   2   5};Qianbo Lu^{1   2   5};Manzhang Xu^{1   2   5};Yongtian Wang^{4   6};Weitao Song⁴;Xuewen Wang^{1   2   5};Wei Huang^{1   2   5   7   8}; （¹ Frontiers Science Center for Flexible Electronics (FSCFE) & Institute of Flexible Electronics (IFE), Northwestern Polytechnical University, Xi\'an, 710072, China. ² MIIT Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi\'an, 710072, P. R. China. ³ School of Information Science and Technology, Northwest University, Xi\'an, 710069, P. R. China. ⁴ Beijing Engineering Research Center for Mixed Reality and Advanced Display, School of Optoelectronics, Beijing Institute of Technology, Beijing, 100081, P. R. China. ⁵ Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University, Xi\'an, 710072, P. R. China. ⁶ AICFVE of Beijing Film Academy, Beijing, 100088, P. R. China. ⁷ State Key Laboratory of Organic Electronics and Information Displays, Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications, Nanjing, 210023, P. R. China. ⁸ Key Laboratory of Flexible Electronics (KLoFE) and Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech), Nanjing, 211800, P. R. China.）

出处：Advanced materials (Deerfield Beach, Fla.) 2022

关键词：conducting microfibers;fibrous mechanical sensors;smart health-monitoring system;wearable telemedicine technology.

摘要：Fibrous material with high strength and large stretchability is an essential component of high-performance wearable electronic devices. Wearable elect ...

作者：Jianghao Xiong，Haizheng Zhong，Dewen Cheng，Shin_Tson Wu，Yongtian Wang （Beijing Engineering Research Center of Mixed Reality and Advanced Display，School of Optics and Photonics，School of Optics and Photonics，Beijing Institute of Technology Beijing，China； College of Optics and Photonics，University of Central Florida，Orlando，University of Central Florida，FL 32816，USA； MIIT Key Laboratory for Low-Dimensional Quantum Structure and Devices，School of Materials Science & Engineering，School of Materials Science & Engineering，Beijing Institute of Technology Beijing，China）

出处：PhotoniX 2023

摘要：Since the invention of holography by Dennis Gabor, the fabrication of holograms has mainly relied on direct recording of wavefront by engraving the in ...