Method and apparatus for measuring coordinates

Details Method and apparatus for measuring coordinates Method and apparatus for measuring coordinates

1986-09-18

1989-02-07

Lall, Parshotam S.

Boots, shoes, and leggings

356 2, 356376, 364525, G01B 1114, G01C 1112, G06F 1520

Patent

active

048036455

ABSTRACT:
A coordinates measuring method in which the image information of the same point are derived as first, second and third information when viewed from at least three different directions, a first corresponding point is determined by deriving the correlation between the first and second information, and a second corresponding point is determined by deriving the correlation between the second and third information, and mismatching is decided when the first and second coordinates are not substantially coincident with each other.

REFERENCES:
patent: 3726591 (1973-04-01), Helava et al.
patent: 4009961 (1977-03-01), Maruyama
patent: 4343553 (1982-08-01), Nakagawa et al.
patent: 4412799 (1983-11-01), Gates
patent: 4573191 (1986-02-01), Kidode et al.
patent: 4630203 (1986-12-01), Szirtes
patent: 4654872 (1987-03-01), Hisano et al.
patent: 4660970 (1987-04-01), Ferrano
patent: 4674869 (1987-06-01), Pryor et al.
patent: 4688184 (1987-08-01), Taniguti et al.

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