Depth map generating method and apparatus
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United States of America Patent
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-
Aug 7, 1990
Grant Date -
N/A
app pub date -
Sep 16, 1988
filing date -
Sep 18, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A depth map generating apparatus comprises a three-dimensional (3D) region setting section and first through third processors. The 3D region setting section defines and sets a 3D region of a given shape to enclose an object, the 3D region being defined in 3D coordinates. The first processor performs a coordinate computation for each pixel of the projection plane to attain a first distance in a desired view direction between a projection plane set in accordance with the view direction and the surface of the 3D region. The second processor executes a ray tracing process to attain a second distance in the view direction between the surface of the 3D region and the surface of the object. The third processor adds the first and second distances for each pixel of the projection plane.
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