Method and apparatus for relating and combining multiple images of the same scene or object(s)
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Nov 13, 1995
filing date -
Nov 13, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
Digitally encoded images having common subject matter are spatially related to one another and combined utilizing a projective coordinate transformation, the parameters of which are estimated featurelessly. For a given input image frame, the universe of possible changes in each image point consistent with the projective coordinate transformation is defined and used to find the projective-transformation parameters which, when applied to the input image, make it look most like a target image. The projective model correctly relates images of common (static) subject matter taken by a single camera at a fixed location, free to rotate about its center of projection (e.g., free to rotate about its optical axis, and to pan and tilt) and having a lens free to zoom; and planar scenes recorded by a camera free to move arbitrarily (including translation or other movements of the center of projection itself).
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Cited Art Landscape
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