Patent ID: 6353678
Filing Date: 2002-03-05
Classification: G06K,G06T

Abstract:
A method for detecting independently moving objects in a video sequence of successive images of a three-dimensional (3D) scene at least two of the images being taken from respectively different camera positions, the method comprising the steps of:selecting a group of images including the at least two images taken from different camera positions; calculating a set of two-dimensional (2D) view geometry constraints for the group of images; testing the 2D view geometry constraints to determine if the imaged scene exhibits significant 3D characteristics; if the imaged scene exhibits significant 3D characteristics, calculating a set of 3D shape constraints for the group of images, wherein the 3D shape constraints are constrained by the 2D view geometry constraints; and if the imaged scene exhibits significant 3D characteristics, identifying areas in the group of images that are inconsistent with 3D constraints as areas corresponding to the moving objects.