Welcome to the homepage of Yihong WU              中文版

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Robot Vision Group 


National Laboratory of Pattern Recognition 


Institute of Automation 


Chinese Academy of Sciences


P.O. Box 2728, Beijing, 100080

P.R. China


Email: yhwu at nlpr.ia.ac.cn

Tel:   +86-10-82544697

Fax:  +86-10-82544594


Here is my short CV in PDF


Research Demos (Pose tracking):

1. Vision-based mobile augmented reality





2. SLAM for a general moving object





cylinder SLAM


3. SLAM for scenes





4. SLAM relocalization






5. SLAM with IMU






Research Interests

1.  Camera calibration and pose determination, image matching, three-dimensional reconstruction, vision geometry, SLAM, vision on mobile devices.

2.  Geometric invariants and applications in computer vision and pattern recognition.  

3.  Polynomial elimination and applications in computer vision.



Selected Publications

  1. Y. Wu, Y.F. Li, and Z. Hu. Detecting and Handling Unreliable Points for Camera Parameter Estimation. 
    International Journal of Computer Vision (IJCV), Vol. 79, No. 2, pp. 209-223, 2008. PDF
  2. Y. Wu and Z. Hu. Invariant Representations of a Quadric Cone and a Twisted Cubic. 
    IEEE Transactions on Pattern Analysis and Machine Intelligence
    (PAMI), Vol. 25, No. 10, pp. 1329-1332, 2003. PDF
  3. Y. Wu and Z. Hu. Geometric Invariants and Applications under Catadioptric Camera Model. 
    The 10th International Conference on Computer Vision
    (ICCV), pp.1547-1554, 2005.
  4. Y. Wu, H. Zhu, Z. Hu, and F. Wu. Camera Calibration from the Quasi-Affine Invariance of Two Parallel Circles. 
    The 8th European Conference on Computer Vision
    (ECCV), pp. 190-202, 2004.
  5. P. Gurdjos, P. Sturm, and Y. Wu. Euclidean Structure from N>=2 Parallel Circles: Theory and Algorithms. 
    The 10th  European Conference on Computer Vision
    (ECCV), pp. 238-252, 2006. PDF
  6. Y. Wu, X. Li, F. Wu, and Z. Hu. Coplanar Circles, Quasi-Affine Invariance and Calibration.  
    Image and Vision Computing
    , Vol. 24, Iss. 4, pp. 319-326, 2006.
  7.  Y. Wu and Z. Hu. PnP Problem Revisited. 
    Journal of Mathematical Imaging and Vision
    , Vol. 24, No. 1, pp. 131-141, 2006. PDF
  8.  H. Li and Y. Wu. Automated Short Proof Generation with Cayley and Bracket Algebras I. Incidence Geometry. 
    Journal of Symbolic Computation
    , Vol. 36, Iss. 5, pp. 717-762, 2003.
  9.  H. Li and Y. Wu. Automated Short Proof Generation with Cayley and Bracket Algebras II. Conic Geometry. 
    Journal of Symbolic Computation
    , Vol. 36, Iss. 5, pp. 763-809, 2003.
  10. H. Li and Y. Wu. Filtered-Graded Transfer of Groebner Basis Computation in Solvable Polynomial Algebra. 
    Communications in Algebra
    , Vol.28, No.1, pp. 15-32, 2000.
  11. B. Zhang, Y. Li, and Y. Wu. Self-Recalibration of a Structured Light System via Plane-Based Homography. Pattern Recognition, Vol. 40, Iss. 4, pp. 1368-1377, 2007.
  12. F. Wu, F. Duan, Z. Hu, and Y. Wu. A New Linear Algorithm for Calibrating Central Catadioptric Cameras. Pattern Recognition, 41(10): 3166-3172, 2008.
  13. Zhijun Dai, Yihong Wu, Fengjun Zhang, and Hongan Wang. A Novel Fast Method for L_infinity Problems in Multiview Geometry. ECCV, pp. 116-129, 2012.
  14. Yihong Wu, Zhanyi Hu, and Youfu Li. Radial Distortion Invariants and Lens Evaluation under a Single-Optical-Axis Omnidirectional Camera. Computer Vision and Image Understanding, 126: 11-27, 2014. PDF
  15. Wei Liu, Yihong Wu, Fusheng Guo, and Zhanyi Hu. An Efficient Approach of 2D to 3D Video Conversion Based on Piece-wise Structure from Motion. The Visual Computer, Vol. 31, Iss. 1, pp 55-68, January, 2015.  PDF
  16. Youji Feng, Lixin Fan, and Yihong Wu. Fast Localization in Large Scale Environments Using Supervised Indexing of Binary Features. IEEE Transactions on Image Processing, Vol. 25, No. 1, pp. 343-358, 2016.   PDF
  17. Youji Feng, Yihong Wu, and Lixin Fan. Real-time SLAM Relocalization with On-line Learning of Binary Feature Indexing. Machine Vision and Applications, 2017.



All Publications







Work Experience

Oct. 2008-Present

Professor, Institute of Automation, Chinese Academy of Sciences  

Aug. 2003-Oct. 2008

Associate professor, Institute of Automation, Chinese Academy of Sciences 

Nov. 2007-Jan. 2008  

Visiting associate professor, City University of Hong Kong

Apr. 2005-Oct. 2006

Senior research associate/ Research fellow, Department of Manufacturing Engineering and Engineering Management, City University of Hong Kong, Collaborating with Prof. Youfu Li

Jun. 2001- Jul. 2003

Postdoctoral researcher, Institute of Automation, Chinese Academy of Sciences, Collaborating with Prof. Zhanyi Hu










Sep. 1998 -Jun. 2001

Mathematics Mechanization Research Center, Institute of Systems Science, Chinese Academy of Sciences

Geometric invariants and applications

Prof. Hongbo Li

Ph. D.

Sep. 1995 -Jul. 1998

Dept. of Mathematics, Shaanxi Normal University

Computational algebra

Prof. Huishi Li

M. S.

Sep. 1991 -Jun. 1995

Dept. of Mathematics, Shanxi Yanbei Normal Institute

Mathematics education


B. S.




Teaching Experience




Fall 2001

Projective geometry

Institute of Automation, Chinese Academy of Sciences

Spring 2002-2008

Projective geometry and 3D vision

Graduate School, Chinese Academy of Sciences



Editorial Board Member of Journal of CAD & CG

Editorial Board Member of Journal of Frontiers of Computer Science and Technology

Editorial Board Member of the Open Artificial Intelligence /Computer Science Journal

PC Member of VISUAL 2007

PC Member of ICCV 2007

PC Member of PCM 2007

PC Member of WCICA 2008

PC Member of CVPR 2008  

Session Chair of ACCV 2007

Session Chair of RIUPEEEC 2005

PC Member of KES 2009

Reviewer of ICCV 2009/ACCV 2009



Research Projects as PI

Single view based metrology (863)

A study on the theory and algorithm of camera self-calibration (NSFC)

Geometric invariant computation and camera pose determination from n perspective points (NSFC)

Image based 3-dimensional reconstruction (973)

Camera parameter computation from video sequence (Key NSFC)

Ominidirectional camera calibration (IA)

Study on image invariants and applications under multiple camera models (NSFC)

Image-based modeling for complex and large scale environment (NLPR)

Visual SLAM (Nokia RC in Finland)

Non-planar object tracking (Samsung)

Camera pose tracking (Samsung)

VR pose tracking (Huawei)



The First Workshop on Community Based 3D Content and Its Applications in Mobile Internet Environments,In conjunction with ACCV 2009



The Second Workshop on Community Based 3D Content and Its Applications,In conjunction with ICME 2012



Last Updated  by Yihong Wu, January 2017