Image generating apparatus and method of generating an image by parallel processing thread segments
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United States of America Patent
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Dec 10, 1996
Grant Date -
N/A
app pub date -
Jan 24, 1994
filing date -
Jan 22, 1993
priority date (Note) -
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Abstract
An image generating apparatus used in the field of image processing such as Computer Graphics. The image generating apparatus comprises an input unit for setting data related to a shape of each polygon, an attribute-data-setting unit for setting physical-property attribute data of the polygons, a view-point-data setting unit for setting data related to a view point, a boundary-box-dividing unit for dividing a boundary box enclosing all the polygons into a set of voxels of equal-size with parameters for the boundary box and a linear conditional expression, a segment buffer for registering intersection data per segment for each light source consisting of a thread of a processor assigned for each segment on one polygon and a ray-intercepting polygon at the time of intensity computation per pixel, and an intensity computing unit for checking an intersection with the registered ray-intercepting polygon first when computing an adjacent pixel in the same segment.
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