Image matching device capable of performing image matching...

Details Image matching device capable of performing image matching... Image matching device capable of performing image matching...

2005-03-29

2009-02-17

Mariam, Daniel G (Department: 2624)

Image analysis

Applications

Personnel identification

C382S209000

Reexamination Certificate

active

07492929

ABSTRACT:
An image matching device capable of matching two images performs the following processes in order to shorten a processing time and reduce power consumption. Template matching is performed between a first image and a second image using a predetermined partial image of the first image, and the similarity between the two images is calculated. The similarity thus obtained is compared with a predetermined threshold. Only upon determination that the similarity obtained and the predetermined threshold neither coincide not fail to coincide with each other, the partial image used for template matching is gradually increased until the similarity and the predetermined threshold come to coincide or fail to coincide with each other. Then, template matching is performed again and the similarity between them is calculated.

REFERENCES:
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Tamura, H., Introduction to Computer Image Processing, pp. 66-69 and 98-99, (1985).

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