I am a visiting scholar in the VAST Lab. I work with Dr. Boult on video surveillance. I am interested in the VAST Lab for its concentration on theoretical research as well as practical applications.

PROFESSIONAL EXPERIENCE

2001-present     National University of Defense Technology,  Changsha, China.

Full Professor

Researches focus on:

1. Virtual reality research improving real time visualization of large data sets by multiresolution and feature-based algorithms.

2. Techniques for autonomous land vehicle presenting a novel map-based navigation algorithm.

Teaching courses in computer graphics and artificial intelligence.

1992-2001                National University of Defense Technology, Changsha, China.

Associate Professor

Researches focus on:

1. Interface research presenting objective efficiency evaluation methods for human-computer interaction.

2. Techniques for autonomous land vehicle.

Teaching courses in computer vision, artificial intelligence, neural network and image processing.

1989-1992                National University of Defense Technology, Changsha, China.

Lecturer

Researches focus on robotics vision building a knowledge-based vision system for line-drawing and work piece recognition.

Teaching course in image processing

1982-1989                National University of Defense Technology, Changsha, China.

Research Assistant in system simulation.

PUBLICATIONS

(A complete list of publications is available on request)

1.          Zhang, W., Liu, X. and Wu, T.,(2005) “A method using wavelet approximation to remove the electrocardiogram baseline wander”, Chinese Journal of Computer Engineering and Application,  2005, 41 (20):222-224 (in Chinese)

2.          Zhang, W. and  Liu, X., (2005) “Electrocardiogram QRS complex detection based on wavelet”, Chinese Journal of Computer Simulation, 2005，22(12): 147-150 (in Chinese)

3.          Zhang, X., Liu, X., and Yu, Q., (2005) “High Contrast Area Extraction in Image Based on Spatial-Contrast Feature”, Proc. Of Int. Conf. on Computer Graphics, Imaging and Vision, Beijing.

4.          Yu, Q., Fu, S., Liu X. and Yang, X., (2004) “Single-phase-step method with contoured-correlation fringe patterns for ESPI”, Optics Express, 12(20): 4980-4985.

5.          Yu, Q. and Liu, X., (2003) “Determination of speckle fringe orientation map by image sequence and removing the speckle noise from speckle fringe patterns.” Proc. of SPIE, Machine Vision Applications in Industrial Inspection XI, Jan.: 123-156.

6.          Yu, Q. and Liu, X., (2003) “Removing speckle noise and extracting the skeletons from a single speckle fringe pattern by spin filtering with curved-surface windows.” Opt. Eng. 42,68,:1-9

7.          Zhang, X. and Liu, X., (2003) “Establishment and Retrieval of Trademark Image Database Based on Decision Tree.” Computing and Automation，Vol.22, No.3 :123-156 (in Chinese)

8.          Lue, J. and Liu, X., (2003) “The Design of A Simulation and Monitoring System for Driving of Autonomous Land Vehicle.” Proc. of System Simulation Technology and Application, Vol.5:123-156, (in Chinese)

9.          Yu, Q. and Liu, X., “Image-based precise measurement and motion measurement”, ISBN 7-03-010385-8/TN.401  Science Press (China)，2002，7, (in Chinese)

10.       Liu, X. and Huang, K., (2000) “A Method of Ownership Transfer in DMSO RTI.” Transactions of System Simulation, Vol.12, No.6:123-156, (in Chinese)

11.       Xu, Z. and Liu, X., (2000) “Chinese Character Extraction in a Cartographic Maps Based Active Knowledge Base.” Transactions of National University of Defense Technology, 5:123-156 (in Chinese)

12.     Yu, Q., Liu, X. and Sun, X., (1998) “Generalized Spin filtering and an improved  derivative-sign binary image method for the extraction of fringe skeletons.” Applied Optics, 37, 20:123-156