Method and system for filtering, registering, and matching 2.5D normal maps
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United States of America Patent
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Jun 29, 2010
Grant Date -
May 3, 2007
app pub date -
Jun 13, 2006
filing date -
Jun 13, 2005
priority date (Note) -
Expired
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Abstract
An iterative approach to vector median filtering wherein the resulting median vector need not be a member of the original data set. The iterative vector median filtering allows for fast convergence for complex computations and an output which is approximate to the mean, particularly for small data sets.In addition, a method and system for registering and matching 2.5 normal maps is provided. Registration of two maps is performed by optimally aligning their normals through 2-D warping in the image plane in conjunction with a 3-D rotation of the normals. Once aligned, the average dot-product serves as a matching metric for automatic target recognition (ATR).
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