Method for identifying an object image

Details Method for identifying an object image Method for identifying an object image

2005-03-29

2005-03-29

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Applications

Target tracking or detecting

C382S107000, C348S169000

Reexamination Certificate

active

06873712

ABSTRACT:
A method for identifying an object image shown in a picture using density differences between an object image and a background. A screen taken by a camera is first divided into blocks; for each block, a Standard Object image is positioned based upon an arbitrary point on each picture; from the density differences in the picture, a normal vector of the outline portion of the Standard Object image is determined; then related vector data, that includes a position information up to a normal vector group and an angle information, is determined; the related vector data is stored as standard data in a block from which the normal vector is detected; a normal vector for a picture that shows an object image to be recognized is determined; from the normal vector, Answer points are determined based on standard data of the Standard Object image; and a focus point region comprised of Answer points is evaluated.

REFERENCES:
patent: 5212547 (1993-05-01), Otsuki
patent: 5267044 (1993-11-01), Nozaki et al.
patent: 5809161 (1998-09-01), Auty et al.
patent: 6453069 (2002-09-01), Matsugu et al.
patent: 6727886 (2004-04-01), Mielekamp et al.

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