个人简历
主要从事计算机视觉、模式识别、深度学习、深度传感器人手位姿估计、机器人视觉定位与增强现实方面研究工作。研究中发现了视觉测量PnP理论中导致严重稳定性退化的“准奇异状态”并提出有效解决方法,提出了第一个完备的透视三线问题(P3L)解集分类并提供了系统的理论分析,基于Lie群代数理论建立了一般关节物体位姿估计统一框架,提出了一种新颖的人手关节链结构Hough随机森林估计方法,进行了视觉位姿估计交叉学科应用研究,取得了多项研究成果。
在国内外期刊会议上发表论文20余篇,其中2012年以来以第一/通讯作者在计算机视觉与模式识别领域顶级期刊 IEEE Transactions on Pattern Analysis and Machine Intelligence (IEEE TPAMI,影响因子8.329)与顶级期刊 International Journal of Computer Vision (IJCV,影响因子8.222)上发表论文4篇。研究成果应用于航空航天、机械装配、生物试验等领域,取得良好效果,并在计算机视觉顶级会议IEEE International Conference on Computer Vision(ICCV 2013)、新加坡政府公众活动(SSF 2014)等公共场合多次现场演示,反响良好。
研究兴趣包括:计算机视觉,模式识别,深度学习,人手位姿估计,相机位姿估计,康复机器人,家庭服务机器人、视觉定位导航,增强现实,人机交互,机器学习等。
欢迎对以上研究方向感兴趣的同学报考我的硕士 / 博士研究生。
电子邮箱:
科研项目:
• “融合透视投影几何与深度学习的多关节体三维位姿求解稳定性分析”,主持,国家自然科学基金(面上项目),中国地质大学(武汉)
• “实时深度图像人手位姿估计方法及其稳定性分析”,主持,国家自然科学基金(面上项目),中国地质大学(武汉)
• “中央高校杰出人才培育基金”,主持,中央高校基金,中国地质大学(武汉)
• “卸船机无人值守系统”,主持,横向项目,中国地质大学(武汉)
• “机器视觉在轨道交通装备制造过程的应用”,主持,横向项目,中国地质大学(武汉)
• “基于虚拟个体行为逼近的多机器人自学习决策与协调控制一体化”,参与,国家自然科学基金(面上项目),中国地质大学(武汉)
• “A Real-time Immersive Toolkit for 3D Biological Visualization and Annotation”,技术骨干,A*STAR JCO Grant,新加坡科技局
• “空间机械臂视觉测量系统研究”,技术骨干,上海航天预研项目,华中科技大学。
• “智能装配关键技术研究”,技术骨干,十一五基础科研项目,华中科技大学。
学术会议职务:
• IEEE CVPR 2015 Workshop on Observing and understanding hands in action (HANDS 2015)程序委员会主席之一(Program Committee Chair)。
会议现场演示:
• ICCV 2013(计算机视觉顶级会议)现场演示,得到国际专家同行的关注与认同;
• 新加坡政府公众活动“新加坡科技节2014”现场演示,向公众展示最新科技进展;
• A*STAR Scientific Conference 2014最佳现场演示奖。
担任以下知名国际期刊会议的审稿人:
• IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI)
• International Journal of Computer Vision (IJCV)
• IEEE Transactions on Image Processing (TIP)
• IEEE Transactions on Mobile Computing (TMC)
• IEEE Transactions on Intelligent Transportation Systems (T-ITS)
• IEEE Transactions on Cybernetics (TC)
• Computer Vision and Image Understanding (CVIU)
• Pattern Recognition (PR)
• IEEE Conference on Computer Vision and Pattern (CVPR)
• Association for the Advancement of Artificial Intelligence (AAAI)
• European Conference on Computer Vision (ECCV)
• British Machine Vision Conference (BMVC)
部分学术论文列表:
[J1] Chi Xu, Lakshmi Govindarajan, Yu Zhang, Li Cheng (2017), ‘Lie-X: Depth Image Based Articulated Object Pose Estimation, Tracking, and Action Recognition on Lie Groups’, International Journal of Computer Vision (IJCV, IF:8.222), 123(3), 454–478. (SCI索引: 000403559600008)
[J2] Chi Xu, Lilian Zhang, Li Cheng, Reinhard Koch (2017), ‘Pose Estimation from Line Correspondences: A Complete Analysis and a Series of Solutions’, IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI, IF:8.329), 39(6), 1209–1222. (SCI检索:000401091200012)
[J3] Chi Xu, Ashwin Nanjappa, Xiaowei Zhang, Li Cheng (2015), ‘Estimate Hand Poses Efficiently from Single Depth Images’, International Journal of Computer Vision (IJCV, IF:8.222), 116(1), 21–45. (SCI检索: 000369422500002)
[J4] Shiqi Li, Chi Xu*, Ming Xie (2012), ‘A Robust O (n) Solution to the Perspective-N-Point Problem’, IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI, IF:8.329), 34 (7), 1444–1450. (SCI检索: 000304138300015) 通讯作者
[J5] Chi Xu, Lakshmi Govindarajan, Li Cheng (2017), ‘Hand action detection from ego-centric depth sequences with error-correcting Hough transform’, Pattern Recognition (PR, IF:4.582). (DOI: 10.1016/j.patcog.2017.08.009)
[J6] Shiqi Li, Chi Xu* (2011), ‘Efficient lookup table based camera pose estimation for augmented reality’, Computer animation and virtual worlds, 22(1), 47–58. (SCI检索: 000287820600005) 通讯作者
[J7] Shiqi Li, Chi Xu* (2011), ‘A stable direct solution of perspective-three-point problem’, International journal of pattern recognition and artificial intelligence, 25(05), 627–642. (SCI检索: 000294118300002) 通讯作者
[J8] C. Ma, A. Wang, G. Chen, Chi Xu (2018). Hand joints-based gesture recognition for noisy dataset using nested interval unscented kalman filter with LSTM network. The Visual Computer, 34(6), 1053-1063. (SCI检索)doi:10.1007/s00371-018-1556-0
[J9] Xinyu Shao, Bingang Wang, Yunqing Rao, Liang Gao, Chi Xu (2010), ‘Metaheuristic approaches to sequencing mixed-model fabrication/assembly systems with two objectives’, International Journal of Advanced Manufacturing Technology, 48(9), 1159–1171. (SCI检索: 000277795100029)
[J10] Shiqi Li, Tao Peng, Junfeng Wang, Chi Xu (2009), ‘Mixed Reality-Based Interactive Technology for Aircraft Cabin Assembly’, Chinese Journal of Mechanical Engineering, 22(3): 403–409. (SCI检索: 000267310600014)
[J11] Liang Wang, Yisheng Zhang, Bin Zhu, Chi Xu, Xiaowei Tian, Chao Wang, Jianhua Mo, Li Jian (2012), ’GPU accelerated parallel cholesky factorization’, Applied Mechanics and Materials, 1370–1373, (EI检索)
[C1] Chi Xu, Li Cheng (2013), ‘Efficient hand pose estimation from a single depth image’, in ‘IEEE International Conference on Computer Vision’ (ICCV, 顶级会议, CCF-A类).
[C2] Lilian Zhang, Chi Xu*, Kokmeng Lee, Reinhard Koch (2012), ‘Robust and efficient pose estimation from line correspondences’, in ‘Asian Conference on Computer Vision’ (ACCV). 通讯作者
[C3] Chi Xu, Li Cheng (2018), ‘A Flexible Method for Time-of-Flight Camera Calibration Using Random Forest’, in ‘International Conference on Smart Multimedia’ (ICSM).
[C4] Ashwin Nanjappa, Chi Xu, Li Cheng (2015), ’GHand: A GPU Algorithm for Realtime Hand Pose Estimation Using Depth Camera’, in ‘Eurographics (Posters)’ (EG)
[C5] Chi Xu, Shiqi Li, Junfeng Wang, Tao Peng, Ming Xie (2008), ‘Occlusion handling in Augmented Reality system for human-assisted assembly task’, in ‘International Conference on Intelligent Robotics and Applications’
软件著作权与专利:
基于增强现实的装配训练系统软件V1.0(计算机软件著作权登记号:2008SR26895)
信息增强的舱体内结构智能装配系统软件V1.0(计算机软件著作权登记号:2008SR26898)
用于细长腔体的视觉检测装置(发明专利号:ZL 2008 1 0048014.5)
研究方向
[1] 计算机视觉,模式识别,深度学习,人手位姿估计,相机位姿估计,康复机器人,家庭服务机器人、视觉定位导航,增强现实,人机交互,机器学习等。
联系方式
[1] 邮编:
[2] 传真:
[3] 通讯/办公地址:
[4] 办公室电话:
[5] 移动电话:
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