Image analysis – Applications – Target tracking or detecting
Patent
1996-04-23
1999-11-09
Chang, Jon
Image analysis
Applications
Target tracking or detecting
382107, 382241, 348169, 348699, G06K 936, G06T 720
Patent
active
059829095
ABSTRACT:
A method for tracking a predetermined, two-dimensional portion of an image throughout a sequence of images, the method comprises the steps of selecting a reference frame; selecting the predetermined, two-dimensional portion within the reference frame by choosing a polygon that defines the boundary of the predetermined portion; fitting a reference mesh having at least three corner nodes and an inside node to the reference polygon; tracking the reference polygon in subsequent or previous image frames by tracking the corner nodes; mapping the reference mesh into the tracked polygon in the subsequent or previous image frames; and refining locations of the inside and corner nodes in the subsequent or previous image frames for tracking local and global motion of the predetermined portion.
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Erdem A. Tanju
Toklu Candemir
Chang Jon
Eastman Kodak Company
Watkins Peyton C.
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