Vision processing method and device for welding line auto-tracki

Details Vision processing method and device for welding line auto-tracki Vision processing method and device for welding line auto-tracki

1997-11-18

2000-04-11

Shaw, Clifford C.

Electric heating

Metal heating

By arc

382151, B23K 9127

Patent

active

060490594

ABSTRACT:
A vision processing method and device which processes a photographed-object image to provide information about a position and shape of the object, and perform the steps of forming a shape-memory contour model having a tendency to mention its original shape, the model being capable of changing its shape and position by an exterior operation; giving an outline of the shape-memory elastic contour model on the basis of an image of a photographed object; displacing the outlined contour model to an area expected to be occupied by the image of the photographed object; modifying the shape-memory elastic contour model in response to an exterior force generated in the image of the photographed object; and determining an image coordinate of the photographed object on the basis of the modified model.

REFERENCES:
patent: 4652133 (1987-03-01), Antoszewski et al.
patent: 4812614 (1989-03-01), Wang et al.
patent: 5264678 (1993-11-01), Powell et al.
patent: 5862245 (1999-01-01), Renouard et al.

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