US Patent 7526102 System and method for object tracking and activity analysis

Embodiments of the invention relate to methods and systems for providing real-time video surveillance of crowded environments. The method consists of several object detection and tracking processes that may be selected automatically to track individual objects or group of objects based on the resolution and occlusion levels in the input videos. Possible objects of interest (OOI) may be human, animals, cars etc. The invention may be used for tracking people in crowded environments or cars in heavy traffic conditions.