Image analysis – Applications – Manufacturing or product inspection
Patent
1994-06-23
1996-09-17
Mancuso, Joseph
Image analysis
Applications
Manufacturing or product inspection
348 87, 348 95, 382289, G06K 900
Patent
active
055576907
ABSTRACT:
A method of locating an object which has a straight edge is disclosed. An illustrative embodiment of the invention orients the object's edge so that it is at an oblique angle to the axis of the coordinate system of the sampling plane of the input device scanning the object. A subset of the pixels associated with the object's edge are identified and used to estimate the location of the object or edge.
REFERENCES:
patent: 4209830 (1980-06-01), Arimura et al.
patent: 4845558 (1989-07-01), Tsai et al.
patent: 4932064 (1990-06-01), Kasahara
patent: 4969200 (1990-11-01), Manns et al.
patent: 4972311 (1990-11-01), Holdgrafer et al.
patent: 5007097 (1991-04-01), Mizuoka et al.
patent: 5119435 (1992-06-01), Berkin
"A Vision System For An Automatic Assembly Machine Of Electronic Components", by B. You, Y. S. Oh, and Z. Bien. IEEE Transactions on Industrial Electronics, Oct. 1990 No. 5 pp. 349-357.
"Automatic Visual Measurement Of Serface-Mount Device Placement", by D. W. Capson and R. M. C. Tsang, IEEE Transaction on Robotics and Automation,Feb. 1990, No. 1, pp. 44-52.
J. W. Hill, in "Dimensional Measurements from Quantized Images" Machine Intelligence Research Applied to Industrial Automation, by D. Nitzan, et al. SRI 10th Report for NSF Grant DAR78-27128, 1980, pp. 75-105.
L. Dorst and A. W. M. Smeulders, "Discrete Representation of Straight Lines", IEEE Trans. PAMI, PAMI-6, No. 4, Jul. 1984, pp. 450-462.
C. A. Berenstein, L. N. Kanal, D. Lavine and E. C. Olson, "A Geometric Approach to Subpixel Registration Accuracy", Computer Vision, Graphics, and Image Processing, vol. 40, 1987, pp. 334-336.
Z. Kulpa, "On the Properties of Discrete Circles, Rings, and Disks", Computer Vision, Graphics, and Image Processing, vol. 10, 1979, pp. 348-365.
A. Nakamura and K. Aizawa, "Digital Circles", Computer Vision, Graphics, and Image Processing, vol. 26, 1984, pp. 242-255.
Q. Tian and M. N. Huhns, "Algorithms for Subpixel Registration", Computer Vision, Graphics, and Image Processing, vol. 35, No. 2, 1986, pp. 220-233.
H. K. Nishihara and P. A. Crossley, "Measuring Photolithographic Overlay Accuracy and Critical Dimensions by Correlating Binarized Laplacian of Gaussian Convolutions", IEEE Trans. PAMI, vol. PAMI-10, No. 1, Jan. 1988, pp. 17-30.
C. B. Bose and I. Amir, "Design of Fiducials to Facilitate Inspection Using Machine Vision", IEEE PAMI, pp. 1196-1200 (Dec. 1990).
L. P. O'Gorman, A. M. Bruckstein, C. B. Bose and I. Amir, "Subpixel Registration Using a Concentric Ring Fiducial", 10th Int. Conf. Pattern Recognition, Atlantic City, pp. 249-253 (1990).
O'Gorman Lawrence P.
Simons Everett F.
AT&T Corp.
DeMont Jason P.
Fogg David N.
Mancuso Joseph
Williams Vernon E.
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