Image analysis – Applications – 3-d or stereo imaging analysis
Reexamination Certificate
2011-03-01
2011-03-01
Carter, Aaron W (Department: 2624)
Image analysis
Applications
3-d or stereo imaging analysis
C345S419000
Reexamination Certificate
active
07899241
ABSTRACT:
Systems and methods are provided for progressive mesh storage and reconstruction using wavelet-encoded height fields. A method for progressive mesh storage includes reading raster height field data, and processing the raster height field data with a discrete wavelet transform to generate wavelet-encoded height fields. In another embodiment, a method for progressive mesh storage includes reading texture map data, and processing the texture map data with a discrete wavelet transform to generate wavelet-encoded texture map fields. A method for reconstructing a progressive mesh from wavelet-encoded height field data includes determining terrain blocks, and a level of detail required for each terrain block, based upon a viewpoint. Triangle strip constructs are generated from vertices of the terrain blocks, and an image is rendered utilizing the triangle strip constructs. Software products that implement these methods are provided.
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Baxes Gregory A.
Linger Timothy C.
Carter Aaron W
Lathrop & Gage LLP
TerraMetrics, Inc.
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