Image analysis – Applications – 3-d or stereo imaging analysis
Patent
1996-07-18
1998-12-01
Boudreau, Leo H.
Image analysis
Applications
3-d or stereo imaging analysis
382107, 382173, G06K 900, G06K 934
Patent
active
058450068
ABSTRACT:
A method of processing image information is disclosed, for detecting the movement of an object with a simplifed system structure, and high speed treatment. The method is comprised of the steps of entry of a stereoscopic image of an object, extraction of edges of the object, and dividing it into segments based on the local feature of the image. On each segment, tracing points (sampling points) are selected, the inter-frame correlation of selected points is obtained, the three-dimensional coordinates of the points are measured, and thus the position and attitude of the object are detected, wherein the inter-frame correlation is performed by evaluating the similarity between frames based on correlation between the tangential direction of tracing points and the luminance value of the surface.
REFERENCES:
patent: 4232968 (1980-11-01), Kempf
patent: 5202928 (1993-04-01), Tomita et al.
patent: 5625702 (1997-04-01), Kamada et al.
Ishiyama Yutaka
Sumi Yasushi
Tomita Fumiaki
Boudreau Leo H.
Hiraishi Jiro
Mariam Daniel G.
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