Method and apparatus for computing motion tracking parameters
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United States of America Patent
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Jun 15, 2004
Grant Date -
N/A
app pub date -
Jul 23, 1998
filing date -
Jul 23, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus is provided for efficient computing of perspective transformation motion tracking parameters in a sequence of images. More specifically, a set of initial positions for N points defined as (xi yi) for i=1 to N corresponding to at least one input image in a sequence of images are defined. The initial positions are preferably chosen based on image features having good edge and corner definitions. A set of mapping parameters are then generated using a matrix processor to solve linearized equations that define a set of final positions. The mapping parameters are then applied to the initial positions to define the set of final positions.
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