Position and orientation determination method and apparatus...

Details Position and orientation determination method and apparatus... Position and orientation determination method and apparatus...

2006-01-31

2006-01-31

Nghiem, Michael (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Orientation or position

C702S150000, C345S420000

Reexamination Certificate

active

06993450

ABSTRACT:
A position and orientation determination apparatus for identifying a parameter indicating the position and orientation of image sensing apparatus which performs image sensing on actual space where plural feature points exist in already-known positions. In the position and orientation determination apparatus, the position and orientation of the image sensing apparatus can be measured by a method other than utilization of video image obtained by image sensing, and a parameter indicating the position and orientation of the image sensing apparatus is obtained. Then, the parameter is corrected based on the plural feature points in the video image of actual space obtained by image sensing by the image sensing apparatus, and a parameter indicating the position and orientation of the image sensing apparatus is identified. Upon correction of the parameter, first, the parameter is corrected by a general method using the feature points, and then correction is performed by rotation about a visual axis, thereby the position and orientation of the image sensing apparatus can be detected with high accuracy.

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