Method for Image Positioning
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United States of America Patent
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Issued Date -
Jan 27, 2011
app pub date -
Sep 16, 2009
filing date -
Jul 24, 2009
priority date (Note) -
Abandoned
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Abstract
A method for image positioning is provided. The method is configured for positioning image data captured by a C-arm device and includes the steps of: providing an indication module, providing a database, reading the image data, comparing the image data, deriving a coordinate conversion system, and calculating the image data. Steel balls in the indication module have known template coordinates. Plural sets of template triangle data, each set composed by three of the steel balls, are stored in the database. Steel ball image data presented in the image data form indication triangle data. The indication triangle data are compared with the template triangle data to produce comparison results. The coordinate conversion system is derived from the comparison result with the highest similarity. Thus, image coordinates in the image data can be converted into and from the template coordinates via the coordinate conversion system, allowing the image to be orientated precisely.
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