3-D active vision sensor

Details 3-D active vision sensor 3-D active vision sensor

1984-11-01

1986-06-10

Corbin, John K.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 1, 356376, G02B 2610, G01C 300, G01B 1124

Patent

active

045939675

ABSTRACT:
This invention is to a three dimensional active vision sensor. This invention uses a multifacet holographic scanner to move a laser spot across an object at high speed in a raster pattern and a digital position detector to give a highly accurate, low noise, digital representation of the angle to the laser spot on the object. The integration of these two devices is a unique solution for providing range (3-dimensional data) of an arbitrary object in real time.

REFERENCES:
patent: 3426211 (1969-02-01), Anderson
patent: 4136949 (1979-01-01), Hayamizu et al.
patent: 4317991 (1982-03-01), Stauffer
Jarvis, "A Perspective on Range Finding Techniques for Computer Vision", IEEE Transactions on Pattern Analysis & Machine Intelligence, vol. PAMI-5, No. 2, Mar. 83, pp. 122-139.
Parthasarathy et al., "Laser Rangefinder for Robot Control & Inspection", SPIE vol. 336 Robot Vision, 1982, pp. 2-11.
Ih, "Design Considerations of 2-D Holographic Scanners", Applied Optics, vol. 17, No. 5, Mar. 1, 1978, pp. 748-754.
Kanade et al., "Scanning Laser Rangefinder", Carnegie-Mellon University, date unknown.

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