Research Projects:
High-precision Long-range Rover Localization and Topographic Mapping using Networked PanCam Images for the ESA ExoMars Rover Mission, Funded by NASA Lunar and Planetary Science USPI (U.S. Participating Investigator) Program, Co-Principal Investigator.
Develop strategy and high-precision rigorous models and calibration methods for ExoMars PanCam (Panoramic Camera);
Perform long-range rover localization and topographic mapping through an enhanced incremental bundle adjustment using networked PanCam images to achieve an accuracy of 0.1% of the traveled distance for long-range traverse.
Enhancement of Spatial Orientation Capability of Astronauts on the Lunar Surface, Funded by NASA National Space Biomedical Research Institute (NSBRI), August 2008 - July 2011, Research Associate.
Investigation for alleviation of astronaut disorientation in a lunar surface operations setting by using integrated information technology, and psychological and cognitive research on spatial orientation and navigation;
Development of the Lunar Astronaut Spatial Orientation and Information System.
Integration of Lunar Reconnaissance Orbiter Camera (LROC) and Lunar Orbiter Laser Altimeter (LOLA) Data for Near Real-time Precision Lunar Topographic Mapping and Landing Site Assessment, Funded by NASA Lunar Reconnaissance Orbiter (LRO) Participating Scientists (PS) Project, April 2008 - March 2011, Research Associate.
To develop innovative methodology to integrate LROC imagery and LOLA data in order to produce the highest level of resolution and the most comprehensive data set that will include highly accurate 3D topographic terrain models, orthophotos, and 3D surface feature measurements;
To apply the developed model and methods to support candidate site assessment for future lunar landing and enable high precision in scientific investigations during mission operations.
PROVISG ExoMars: Planetary Robotics Vision Ground Processing, Funded by European Union Seventh Framework Program for Research and Technological Development (FP7), October 2008 - January 2012, Research Associate.
Build a framework for planetary robotic vision ground processing;
Develop the technology to better process and visualize the existing and future data from planetary robotic missions in order to maximize the value-added exploitation of these data for research, technology and education.
Surface Image-based High-precision Near Real Time Landing Site Mapping and Long-range Rover Localization for Mars Exploration Rover (MER) 2003 Mission, Funded by NASA MER 2003 Participating Scientist Program, July 2006 - present, Post-doc Researcher/Research Associate.
Rover traverse network simulation and optimization for long-range rover localization;
Bundle adjustment models and implementation for Mars rover localization and landing site mapping;
Martian surface mapping from panoramic ground images.
Incremental Bundle Adjustment Techniques using Networked Overhead and Ground Imagery for Long-range Autonomous Rover Localization in Mars Science Laboratory (MSL) 2009 Mission and Beyond, Funded by NASA Mars Technology Program, July 2006- May 2007, Post-doc Researcher.
Rock modeling, extraction and matching for automated image network bundle adjustment;
Integration of bundle adjustment and visual odometer for autonomous rover localization and navigation.
Spatial and Planetary Sensor Networks, Funded by the OSU Large Interdisciplinary Grant Development Program, July 2006- September 2007, Post-doc Researcher.
Development of a Mobile Panoramic Scanner system, which has 3 vertical CCD line arrays and provide high-resolution panoramic vision capability;
Geometric modeling for the off-axis configuration of stereo scanners.
LiDAR and Sub-meter Satellite Imaging Technologies for Great Lakes Shoreline Mapping, Funded by the Ohio Sea Grant, NOAA, March 2007- February 2010, Post-doc Researcher/Research Associate.
Integration of LIDAR data (higher vertical and lower horizontal accuracy) and QuickBird images (lower vertical and higher horizontal accuracy);
Lake Erie shoreline mapping using the integrated method with an accuracy of 10 to 30 cm in the vertical and 30 cm in the horizontal directions.
A Biologically and Geometrically Inspired Approach for Target Recognition for Multispectral/Hyperspectral and Multiplatform Image Analysis, Funded by the NGA University Research Initiatives, August 2007- July 2009, Post-doc Researcher/Research Associate.
Development of a biologically inspired algorithm of Spatial LEGION to extract information from multispectral/hyperspectral remote sensing images;
Development of a vector geometric active contour model for target boundary extraction, refinement and shape reconstruction.
A Data-Intensive Cyberinfrastructure Component for Coastal Forecasting and Change Analysis, Funded by NSF CEO-P Program, September 2006 - August 2009, Post-doc Researcher/Research Associate.
Implementation of middleware and service-oriented infrastructure with cyber-enabled innovation;
Model development for real-time now casting and forecasting of coastal conditions and long-term coastal changes and erosion patterns.
The Basic Theory, Algorithm and Implementation of Virtual Reality, Funded by National Basic Research Program of China, September 2003 - June 2006, Ph.D. Student.
Development of a innovative stereo image matching method based on the self-adaptive dynamic triangles to improve the matching reliability;
Development of an interest point detecting method to improve the repeatability and information content;
Development of a subpixel location method to interest points based on the Harris interest strength.
Integration of 3D GIS and Highway CAD, Funded by the Highway Engineering Bureau of Guangdong Province, China, September 2000 - June 2003, Master Student.
Data integration and management of 3D GIS and Highway CAD;
Dynamic data scheduling and real-time visualization of Highway 3D GIS.