Corresponding point extraction method for a plurality of images

Details Corresponding point extraction method for a plurality of images Corresponding point extraction method for a plurality of images

1993-10-26

1997-10-21

Couso, Jose L.

Image analysis

Applications

3-d or stereo imaging analysis

395119, G06K 900, G06F 1500

Patent

active

056804741

ABSTRACT:
In order to assure sufficient precision for both binary image and variable density image, a corresponding point extraction method for a plurality of images includes the steps of taking in two binary images, then extracting an arbitrary set of epipolar lines, inserting a picture element having the picture element value of a virtual picture element between adjacent picture elements on said two epipolar lines as extracted, creating an initial screen having the initial values on a parallax screen, using two epipolar lines into which the picture element having the picture element value of virtual picture element is inserted, performing in parallel local calculation having excitatory combination and inhibitory combination based on actual picutre element and local calculation having excitatory combination and inhibitory combination based on virtual picture element for each black point on the created initial screen to create a new parallax screen.

REFERENCES:
patent: 3783294 (1974-01-01), Koper
patent: 3901595 (1975-08-01), Helava et al.
patent: 4825393 (1989-04-01), Nishiya
patent: 4982438 (1991-01-01), Vsami et al.
patent: 5317140 (1994-05-01), Dunthorn
Hartley, R. and Gupta, R., "Computing Matched-epipolar Projections", IEEE, Jun. 15, 1993, pp. 549-555.

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