Hongdong Li, PhD.                                                                        

Hi there, Welcome to my homepage 

I am an academic staff with the Research School of Engineering, CECS (College of Engineering and Computer Science), ANU (Australian National University).

In 2009  I was a Senior Researcher with NICTA (National ICT Australia) and also an Adjunct Fellow with RSISE ANU.   Prior to 2009 I was a Fellow and Research Fellow with the Research School of Information Science (RSISE )of ANU, and also a (ANU-) contributing Senior Researcher with NICTA.

 My main research interests are Computer Vision, Image and Video Processing, Pattern Recognition and Visual Geometry

I am doing both research, teaching, and PhD supervision on Computer Vision @ RSISE where I have the great privilege to be working with Professor Richard Hartley --- the pioneer and leader in Geometric Computer Vision and Multiview Geometry.   

For future PhD students:    If you want to persue PhD or Master degree in  Computer Vision,  Image Processing, Computer Graphics and CAD/Animation,  or Pattern Recognition (incl. machine learning) from ANU or NICTA,  please email me for a  discussion (though your formal application must be lodged through ANU’s official website).     For scholarships, you have many choices, such as  IPRS, APA,  ANU scholarship and NICTA schohlarship, etc.   Note:  ANU's application dead line is 30st August  (for international students) every year, and 30 October (for domestic and New Zealand students)  each year, or 31 May (for the mid-year entry round).

 

 

 

      -------  Computer Vision, Multi-view Geometry and Multi-camera system,

      -------   3D Modelling and 3D Reconstruction (Structure from Motion),

      -------  Image Processing, Signal Processing, Image and Video Restoration,

      -------  Pattern Recognition and Machine Learning.

      -------  Computer Graphics and Computational Geometry.

        Selected Recent Publications 

   VISTA Computer Vision Reading Group.

   Research (past research projects).

   Graduate Students Application  (for MPhil and PhD students, application, and Scholarship opportunities).

   Courses (new for 2007, 2008, 2009, 2010).

Conference List for PhD students working the areas of computer vision, graphics, pattern recognition and  machine learning.

The most prestigious Computer Vision Conferences: CVPR, ICCV, ECCV; ( submissions over 1800 , doubly-blind review, acceptance rate around 20%--25%, oral 4%-5%)

Major Machine Learning Conferences: ICML, NIPS; ( submissions over 1200, doubly-blind review, acceptance rate around 20%--25%)

Major Computer Graphics Conferences: SIGGRAPH, EuroGraphics; ( submissions over 300, doubly-blind review, acceptance rate around 10%--15%)

Other Important Conferences: ACCV /ICCP (acceptance rate 30%) , ICRA, IROS (acceptance rate around 40%), RSS (?), ICASSP, ICIP, ICPR (acceptance rates well above 45%), DICTA /IVCNZ/AusAI ( domestic, acceptance rate above 60%).

News and Recent activities:

I am lecturing  ENGN4627, ENGN 6627 coursework, 2010, 2011, Introduction to Robotics.

I am lecturing ENGN4528 , ENGN 6528, 2011, Introduction to Computer Vision.

Free MATLAB  source code ·         5-point and 6-point algorithms:   Essential matrix:   Two View Camera Motion Estimation – based on papers of Hongdong Li and Richard Hartley. 

*****************   SELECTED RECENT PUBLICATIONS    *****************

The ICCV and ECCV have impact factor rankings by CiteSeer in the top 5% and 7%, respectively, of all computer science journals and conferences.In Australia and New Zealand, they are ranked as the top A* tier (viz. top 5%, by ANZSRC 2008) and A+ tier (viz. top 6%, by  CORE 2006) publications.

Yuchao Dai,   H Li,   M.He,   A simple prior-free method for nonrigid structure from motion factorization, To appear in CVPR 2012  (ORAL).   New paper.  2012. 

Yansheng Ming,  H Li,  X. He,  Connected contours: a new contour completion model,   To appear in CVPR 2012  (ORAL).   New paper.  2012.

Richard Hartley, Hongdong Li, “Five-point algorithm made easy—PAMI version”,  IEEE PAMI 2012.  New paper.  2012.

Worapan Kusakunniran, Qiang Wu, Jian Zhang, Hongdong Li,  IEEE-ICPR 2010  ( Best ICPR Student Biometric Paper Award ! Congratulations to Worapan ! ).  

Yuchao Dai and Hongdong Li, MinyiHe,  Element-wise Factorization for N-view Projective Reconstruction,  <Full paper in PDF>. ECCV 2010.
H.Li, A simple solution to the six-point two-view focal-length algorithm,
   
<Source code can be found in the paper PDF>, <full paper PDF>, in  ECCV 2006, Graz
H. Li,     Multi-view structure computation without explicitly estimating motion,
  (
ORAL , acceptance rate 4.8% out of over 1500 submissions),  IEEE CVPR 2010. < Preprint PDF >
Worapan, Q.Wu. J. Zhang, H.Li,  Support Vector Regression for View-invariant Gait Identification using View Transformation,  IEEE
CVPR 2010.  
Y.Dai ,   H. Li, Richard Hartley,   Rotation average with application to multi-camera rig calibration,
ACCV 2009
H. Li , Efficient Reduction for solving L_infinity Problems in Multiview Geometry
 
(Full Paper preprint in PDF) .  In CVPR 2009,   Miami, 2009.  [ Decompose a big convex optimization problem into a set of tiny basis sub-problems.]
H. Li, R. Hartley, J. Kim,  A linear approach to motion estimation using generalized camera models,  (preprint pdf, CVPR08)  in
CVPR 2008.  [ Two-view motion estimation for Multi-camera rig system, or more general generalized camera models];
Jae-hak Kim, H. Li,  R.Hartley,   Motion estimation for a multi-camera system using global optimization, in Proc.
CVPR 2008.
Hongdong Li, Richard Hartley, The 3D-3D registration problem revisited, <full paper in PDF > , in 
ICCV 2007.
Hongdong Li, Two-view Motion Segmentation from Linear Programming Relaxation , 2007  <full paper in PDF>, in 
CVPR 2007 (ORAL).
 Hongdong Li,  A Practical Algorithm for L-infinity Triangulation with Outliers <Full in PDF>,   in 
CVPR 2007. (Revised version:   Thanks Carl Olsson and Fredrik Kahl).
 Hongdong Li, Richard Hartley, A Non-iterative Method for Correcting Lens Distortion from Nine Point Correspondences, <full paper in PDF>, in Proc.   OmniVis-05 ( workshop
in conjunction with  ICCV-05 ),  Beijing, 2005.<9pt algorithm Matlab Code>. 
H. Li ,   Consensus Set Maximization with guranteed global optimality for robust geometry estimation
 
(Full paper in PDF),   In  ICCV 2009,  Kyoto, 2009  [ Using global optimization for solving RANSAC-type outlier removal problems];
Di Yang, H .Li,  Learning varaible diemsnion RBF model for non-rigid shape modelling,
ICCV Workshop, 2009 , Kyoto.
Shen, Chunhua, Li, Hongdong, and Brooks, Michael J.,  Supervised Dimensionality Reduction via Sequential Semidefinite Programming<PDF>,
Pattern Recognition, Elsevier,2008.
Hongdong Li and Richard Hartley, Inverse Tensor Transfer with Applications to Novel View Synthesis and Multi-baseline Stereo, Signal Processing (Image Communication), Elsevier Publisher, Nov. 2006. doi:10.1016/j.image.2006.07.004
Hongdong Li and Richard Hartley, A New conformal spherical Representations for 3D shapes,
Pattern Recognition, an International Journal, Elsevier Publisher, 2007. DOI Bookmark: 10.1016/j.patcog.2007.01.021 (5-Year Impact Factor: 3.725).
 Hongdong Li and Chunhua Shen. Interactive color image segmentation with linear programming,
Journal of Machine Vision and Applications (MVA), 2010 [Accepted: 15 September 2008, Published online: 24 October 2008].
Jae-Hak, Hongdong Li, Richard Hartley, Motion Estimation for Non-overlapping Multicamera Rigs: Linear Algebraic and L-infinity Geometric Solutions,
IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI), 2010. (IEEE T-PAMI is the most premier journal in computer science with impact factor of 5.96 last year.)
John Lim, Nick Barnes, Hongdong Li, Estimating relative camera motion from the antipodal epipolar constraint, to appear on IEEE Transactions on Pattern Analysis and Machine Intelligence (PAMI) 2011, accept date: 21 Sep 2009. (
IEEE T-PAMI is the most premier journal in computer science, with impact factor of 5.96 last year.)
Wen, Z.Y.; Fraser, D.; Lambert, A.;  Hongdong Li,   Reconstruction of Underwater Image by Bispectrum.,  Image Processing, 2007.
ICIP 2007. IEEE International Conference.
H.Li and R.Hartley,  Five-Point Motion Estimation Made Easy, <full paper in PDF>,  IEEE-ICPR-2006.  (describes a very simple five-point camera relative orientation algorithm.)  <Matlab Source Code for the five-point solver is available here: MATLAB  source code
·         5-point and 6-point Essential matrix estimation (fast version) – based on a PAMI paper by Richard Hartley and Hongdong Li.  It runs at a speed of 35--75 microseconds per frame on an Intel Core Duo 2.5Ghz laptop.  ( Note:  not millisecond but microseconds)>

<If you are looking for my very old Matlab-Maple based implementation, please use the following link:  5-point- source-code-old- and- slow-version. Note:  tested on Matlab 7.1  with Maple 8.0  installed>.

An excellent webpage about minimal solvers in multiview geometry  can be found here at:  http://cmp.felk.cvut.cz/minimal/5_pt_relative.php
Hongdong  Li and Richard Hartley,  Plane-Based Calibration and Auto-calibration of a Fish-Eye Camera ,
 
Proc ACCV 2006,  PDF (207.0 KB)
Y.Zhang, L. Wang. R.Hartley, H.Li,  Where is the WeetBix ?,  <Online Demo System, NEW !>  in Proc. ACCV 2007, Japan, 2007.
Hongdong Li and Richard Hartley, A New conformal spherical Representations for 3D shapes,
 
Pattern Recognition, vol-40,  pp 2742-2753,  2007, Elsevier Publisher.   <Full Version in PDF > (with some typos corrected, we wish to thank Keith Forbes for pointing out the typos).
Hongdong Li, Chunhua Shen,  An LMI Approach for Reliable PTZ Camera self-calibration, <full paper in PDF >, IEEE-AVSS'06. (This work was done in 2005.  We submitted it in May 2007, and got acceptance notification in September 2006.)
..... for other publications, please see my C.V..

Key Words:

Computer vision, Ph.D.,  Computer Vision research, in Australia, Machine Vision, robotics, vision geometry, machine learning, autonomous land vehicle;

Chinese character recognition ,  computer vision research ,  information science , engineering, conformal mapping,  global optimization;

video surveillance, pattern recognition, signal processing, Fourier, multiple view geometry, vision, invariant, spectrum, mobile robot navigation;

3D object recognition, representation, spherical harmonics, shape representation.

 

<Last modify:  17-April-2010>

-------------------- Contact---------------------------

Email:    Hongdong.Li@anu.edu.au

Tel:    +61 2    6125 7708   (RSISE office). 

Disclaimer:  The information provided on this page, and on others beginning with http://rsise.anu.edu.au/~hongdong, is the personal responsibility of the author, and not to be taken as those of the ANU.