Boots – shoes – and leggings
Patent
1995-02-10
1995-12-12
Trammell, James P.
Boots, shoes, and leggings
364550, 364559, G05B 1918
Patent
active
054755840
ABSTRACT:
A method for recovering orientation of a camera or other apparatus with respect to a coordinate system, where the orientation corresponds to a set of first, second, and third orientation vectors, comprises projecting onto an image plane respective first, second, and third images of first, second, and third gratings respectively formed on first, second, and third mutually orthogonal supporting planes and having respective first, second, and third wavelength vectors. The supporting planes are aligned with respective ones of the first, second, and third orientation vectors such that the wavelength vectors are in predetermined relationship with the orientation vectors. The first, second, and third images are associated with respective first, second, and third image wavelength vectors. Thereafter, the image wavelength vectors are measured; the wavelength vectors are derived therefrom; and the orientation vectors are thereby derived.
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