- Three dimensional digitization of foot print and tire track impression evidence
- Advanced In-car video in police cars
- Bite mark identification
- Human Activity Recognition in Retail Stores Using Video Analysis
- Distributed, heterogeneous, wide-area tracking
- Augmented Reality
- 3D Microscopy Imaging and Visualization
- Model Based Visual Communications/Video Coding
- 3D Shape Extraction
- Perceptual Grouping in Computer Vision
- Texture Analysis
- 2-1/2 D Interpretation of Images
- Computational Geometry
His areas of expertise include Computer Vision, Image Processing, and Pattern Recognition. His recent research interests include augmented reality, video analysis for marketing applications, and distributed tracking.