Object recognition method

Details Object recognition method Object recognition method

2006-02-28

2006-02-28

Mehta, Bhavesh M. (Department: 2625)

Image analysis

Pattern recognition

Feature extraction

C356S499000, C375S240190, C382S199000, C382S203000, C382S280000

Reexamination Certificate

active

07006693

ABSTRACT:
The object of the present invention is to quickly and easily recognize the position, quantity, and kind of the object, which takes unspecified forms according to the angle in which the object is positioned. Points are arranged at regular intervals on an image. For each respective point, a fundamental wave Fourier transformation is calculated on the respective pixel values on the circumference of a circle whose center is at the point. The phase obtained by the fundamental wave Fourier transformation is a normal vector of the point. From the normal vector groups of every point arranged at regular intervals the object is recognized.

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