Method and apparatus for obtaining three dimensional distance in

Details Method and apparatus for obtaining three dimensional distance in Method and apparatus for obtaining three dimensional distance in

1986-04-17

1988-12-20

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

358 88, 356 12, G01C 1112

Patent

active

047926945

ABSTRACT:
A method of forming a three-dimensional stereo vision is disclosed in which, in order to prevent the erroneous detection of an object point in the conventional method using two image focusing lens systems, three image points of an object point formed by logically and/or physically selecting three image focusing lens systems and three image sensing surfaces from a multiplicity of image points on an image sensing surface by using the fact that a positional relation among three image points of the same object point is similar to the positional relation among the three image focusing lens systems, and the positional information of three selected image points on the image sensing surface is used for obtaining three-dimensional distance information of the object point.

REFERENCES:
patent: 4217602 (1980-08-01), Thomas et al.
patent: 4236172 (1980-11-01), Krasnoperov
patent: 4259589 (1981-03-01), DiMatteo et al.
patent: 4506296 (1985-03-01), Marraud et al.
patent: 4654872 (1987-03-01), Hisano et al.

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