Patent ID: 9336431
Filing Date: 2016-05-10
CPC Classification: G06K,G06T

Claim Text:
1. A method for region of interest (ROI) tracking, the method comprising: storing a key ROI set in a key ROI buffer, the key ROI set including at least one key ROI; designating one of the key ROI in the key ROI set as an active key ROI; receiving a point cloud representing a particular ROI to be processed for tracking; establishing a correspondence between said particular ROI and said active key ROI; determining whether to switch said active key designation to another key ROI in the key ROI set and switching said active key designation accordingly; determining whether to modify the key ROI set; and modifying the key ROI set when it is determined to modify the key ROI set to keep the key ROI set relevant to an image frame being processed for ROI tracking.