Apparatus and method for obtaining three-dimensional positional data from a two-dimensional captured image
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United States of America Patent
Stats
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Jul 11, 2006
Grant Date -
Jul 1, 2004
app pub date -
Feb 22, 2002
filing date -
Feb 23, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Methods and apparatus for introducing a plurality of optical markers to a field of view, capturing a two-dimensional image of said field of view on an image plate comprising a pixel array, determining a set of marker origin offset values and using said offset values to establish a set of orientation values describing the relationship between the field of view and the image plate are disclosed. These orientation values are used to relate the area of image captured by each pixel in the image plate to the real world. By applying projective geometry, vector analysis and trigonometrical surveys an image analysis is conducted to establish a three-dimensional positional data set describing the three-dimensional position of regions of reflectivity in the captured two-dimensional image. From this data set a three-dimensional model of the field of view can be reconstructed.
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Cited Art Landscape
Patent Citation Ranking
- 43 Citation Count
- G01B Class
- 93.39 % this patent is cited more than
- 19 Age
