Information extraction by mapping

Details Information extraction by mapping Information extraction by mapping

G - Physics

06

T

354/162

G06T 7/00 (2006.01) G06K 9/46 (2006.01)

Patent

CA 1232360

INFORMATION EXTRACTION BY MAPPING ABSTRACT OF THE DISCLOSURE An information extraction device including a coordinate transformation unit for transforming the coordinate values of points on the plane in question to the coordinate values of the points on a spherical surface corresponding to the points on the plane in question, and a mapping unit for mapping the points on the spherical surface to great circles. This information extraction device is applicable to the detection of the three-dimensional direction of a single line or a single plane existing in space.

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