Method and apparatus for producing three-dimensional shape

Details Method and apparatus for producing three-dimensional shape Method and apparatus for producing three-dimensional shape

1985-04-09

1988-06-21

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

356376, 364475, 382 25, 382 65, G06K 900

Patent

active

047529644

ABSTRACT:
In an apparatus and method for producing from an object having a three-dimensional shape a shape equivalent or analoguous to the three-dimensional shape, light is irradiated to the object in an optical cutting plane. The light is picked up by an image pick-up device, and two-dimensional positions of the light are obtained for each minute distance in a direction perpendicular to the optical cutting plane to determine its three dimensional shape.

REFERENCES:
patent: 4404684 (1983-09-01), Takada
patent: 4473750 (1984-09-01), Oshida et al.
patent: 4539639 (1985-09-01), Le Coq et al.
patent: 4558420 (1985-12-01), Gerber
patent: 4587396 (1986-05-01), Rubin
patent: 4593967 (1986-06-01), Haugen
patent: 4594001 (1986-06-01), Di Matteo et al.
patent: 4596919 (1986-06-01), Kremers et al.

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