Method for the automatic or semiautomatic distance measurement a

Details Method for the automatic or semiautomatic distance measurement a Method for the automatic or semiautomatic distance measurement a

1981-08-24

1983-11-01

Buczinski, S. C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

250201, 250204, 250578, 354 25, H01J 4014, G03B 708, G01C 300, G01C 500

Patent

active

044127413

ABSTRACT:
In the exemplary embodiments, two line-shaped images of a scene are imaged onto two line sensors. The output signals of these line sensors are stored in successive stages of respective shift registers, whereby the distance measurement ensues by means of sequential examination of the correlation of the image element signals as stored by the shift registers. For the correlation examination, a predetermined set of stages of each shift register are read out in parallel for comparison. The image element signals are then alternately shifted in the respective shift registers followed by further parallel readout and comparison steps to locate the segments of the two line sensors having a maximum correlation.

REFERENCES:
patent: 3717770 (1973-02-01), Dyck et al.
patent: 4002899 (1977-01-01), Stauffer
patent: 4004852 (1977-01-01), Pentecost
patent: 4171155 (1979-10-01), Jyojiki et al.
patent: 4200788 (1980-04-01), Agulnek

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