Target acquisition and tracking
First Claim
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1. A method for automatically locating a predetermined target class of objects in a video image stream, comprising the steps of:
- (a) determining typical colors found in objects of said predetermined target class;
(b) detecting a moving area in said video image stream;
(c) determining the colors in said moving area;
(d) determining whether the moving area contains colors similar to the predetermined target class typical colors;
wherein said moving area contains at least a portion of a target object in said predetermined target class when said moving area contains colors similar to said predetermined target class typical colors.
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Abstract
A method for automatically locating a predetermined target class of objects in a video image stream, comprising the steps of determining typical colors found in objects of the predetermined target class, detecting a moving area in the video image stream, determining the colors in the moving area, and determining whether the moving area contains colors similar to the predetermined target class typical colors. Additionally the method allows tracking of such located target objects in subsequent frames of the video image stream based upon the colors in the target objects.
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Citations
13 Claims
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1. A method for automatically locating a predetermined target class of objects in a video image stream, comprising the steps of:
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(a) determining typical colors found in objects of said predetermined target class; (b) detecting a moving area in said video image stream; (c) determining the colors in said moving area; (d) determining whether the moving area contains colors similar to the predetermined target class typical colors; wherein said moving area contains at least a portion of a target object in said predetermined target class when said moving area contains colors similar to said predetermined target class typical colors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification