Three-dimensional vision system

Details Three-dimensional vision system Three-dimensional vision system

1985-03-21

1988-03-15

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

356376, 358101, 382 8, 382 50, 382 58, G06K 900

Patent

active

047318538

ABSTRACT:
The present invention consists in a three-dimensional vision system comprising a three-dimensional vision sensor which projects slit-like light on an object to-be-handled and which reads out a resulting slit image, an image input portion which controls the slit-like light to be lit up and put out and also controls the read-out of the slit image and which performs extraction processing of differential signals as to image signals read out, and an image processor which performs required controls concerning said image input portion and which processes image data of said image input portion; an image with the projected slit-like light and an image without it being sequentially sampled on an identical scanning line of the read-out image so as to obtain the differential image between them, thereby to extract a light segmentation line based on the projected slit-like light.

REFERENCES:
patent: 3806253 (1974-04-01), Denton
patent: 3894802 (1975-07-01), Higgins
patent: 3905045 (1975-09-01), Nickel
patent: 4128830 (1978-12-01), Weythman
patent: 4188544 (1980-02-01), Chasson
patent: 4219847 (1980-08-01), Pinkney et al.
patent: 4305130 (1981-12-01), Kelley et al.
patent: 4343553 (1982-08-01), Nakagawa et al.
patent: 4399461 (1983-08-01), Powell
patent: 4399554 (1983-08-01), Perkins, III et al.
patent: 4402053 (1983-08-01), Kelley et al.
patent: 4435837 (1984-03-01), Abernathy
patent: 4443706 (1984-04-01), DiMatteo et al.
patent: 4450579 (1984-05-01), Nakashima et al.
patent: 4485409 (1984-11-01), Schumacher
patent: 4486842 (1984-12-01), Hermann
patent: 4525858 (1985-05-01), Cline et al.
patent: 4545067 (1985-10-01), Juvin et al.
patent: 4566124 (1986-01-01), Yamamoto
patent: 4573191 (1986-02-01), Kidode et al.
patent: 4575304 (1986-03-01), Nakagawa et al.
patent: 4611292 (1986-09-01), Ninomiya et al.
"Structured Light Method for Inspection of Solder Joints and Assembly Robot Vision System" by Nakagawa et al. from the First International Symposium on Robotics Research.
Pattern Recognition, Pergamon Press 1972, vol. 4, "Extraction of the Line Drawing of 3-Dimensional Objects by Sequential Illumination from Several Direction", Y. Shirai and S. Tsuji, pp. 343-351.
9th Int. Sym. Ind. Robots, 1979, Washington, D.C., "A Vision System for Real Timme Control of Robots", G. J. Vander Brug et al., pp. 213-231.
"A Visual Sensor for Arc-Welding Robots", Bamba et al., Mitsubishi Electric Corp.
SPIE vol. 336, Robot Vision (1982), "Six-Dimension Vision System", Albus et al., pp. 142-153.
IEEE Computer Society Conference, Washington, D.C. Jun. 19-23, 1983, "Measuring the Shape of 3-D Objects", O. D. Faugeras and E. Pauchon, pp. 2-7.

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