Method and apparatus for image processing

Details Method and apparatus for image processing Method and apparatus for image processing

2003-07-01

2008-10-21

Bella, Matthew C. (Department: 2624)

Image analysis

Image transformation or preprocessing

Walsh, hough, or hadamard transform

C382S168000

Reexamination Certificate

active

07440636

ABSTRACT:
A method of analysing an image comprises performing a Hough transform on points in an image space to an n-dimensional Hough space, selecting points in the Hough space representing features in the image space, and analysing m of the n variables for the selected points, where m is less than n, for information about the features in the image space.

REFERENCES:
patent: 5629989 (1997-05-01), Osada
patent: 5638465 (1997-06-01), Sano et al.
patent: 6363161 (2002-03-01), Laumeyer et al.
patent: 0 939 381 (1999-09-01), None
patent: WO-00/11609 (2000-03-01), None
Pires et al., “Line Extraction with the use of an automatic Gradient Threshold Technique and the Hough Transform,”IEEE, pp. 909-912, 2000.

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