06545706 is referenced by 117 patents.

A system, method and article of manufacture are provided for tracking a head portion of a person image in video images. Upon receiving video images, a first head tracking operation is executed for generating a first confidence value. Such first confidence value is representative of a confidence that a head portion of a person image in the video images is correctly located. Also executed is a second head tracking operation for generating a second confidence value representative of a confidence that the head portion of the person image in the video images is correctly located. The first confidence value and the second confidence value are then outputted. Subsequently, the depiction of the head portion of the person image in the video images is based on the first confidence value and the second confidence value.

Title
System, method and article of manufacture for tracking a head of a camera-generated image of a person
Application Number
9/364859
Publication Number
6545706 (B1)
Application Date
July 30, 1999
Publication Date
April 8, 2003
Inventor
Katerina H Nguyen
Palo Alto
CA, US
Jeffrey L Edwards
Palo Alto
CA, US
Agent
Van Pelt & Yi
US
Assignee
Electric Planet
CA, US
IPC
H04N 7/18
View Original Source