Patent ID: 7200266

Claim:
A method for detection the parts of the non-rigid object such as, but not limited to, human body, and for recognition gestures and activities of the object of interest in real-time video sequences comprising: a) Eliminating the background to obtain the foreground objects; b) Detecting different regions of the foreground objects by using color and/or shape information; c) Finding the contours of the areas cited in 1 b); d) Fitting closed curves to the contours cited in 1 c); e) Computing unary and binary attributes for the closed curves cited in 1 d); f) Comparing the attributes cited in 1 e) with the object attributes in the training data set via a matching algorithm and determining object parts after matching; g) Combining adjacent segments and repeating claims 1 c) through 1 f); h) Storing 2D center of gravity coordinates of each object part in the buffers for certain number of frames; i) Comparing the change of center of gravity coordinates with time for each object part cited in 1 h) with the templates in the training data set and recognizing the activity of each part separately; j) Combining the activities of the object parts cited in 1 h) and recognizing the overall activity of the object of interest in the scene; and, k) Combining the gestures and activities of different objects to detect the event in the scene.