Real time three dimensional sensing system

Details Real time three dimensional sensing system Real time three dimensional sensing system

G - Physics

01

B

G01B 11/24 (2006.01) G01B 11/25 (2006.01) G01C 11/06 (2006.01) G01C 15/00 (2006.01)

Patent

CA 2079817

The invention is a three dimensional sensing system which utilizes two flexibly located cameras for receiving and recording visual information with respect to a sensed object illuminated by a series of light planes. Each pixel of each image is converted to a digital word and the words are grouped into stripes, each stripe comprising contiguous pixels. One pixel of each stripe in one image is selected and an epi-polar line of that point is drawn in the other image. The three dimensional coordinate of each selected point is determined by determining the point on said epi-polar line which also lies on a stripe in the second image and which is closest to a known light plane.

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