IMAGE RECOGNITION DEVICE, IMAGE SENSOR, AND IMAGE RECOGNITION METHOD

Title:

IMAGE RECOGNITION DEVICE, IMAGE SENSOR, AND IMAGE RECOGNITION METHOD

Document Type and Number:

WIPO Patent Application WO/2015/136714

Kind Code:

A1

Abstract:

An image recognition device comprising: a storage unit whereupon feature points are registered for each of a plurality of model images; a feature point extraction unit which extracts feature points from an inputted image; and an identification unit which compares the feature points of the inputted image and the feature points of each model image in order to computes a first degree of similarity between the inputted image and each of the model images, and identifies the inputted image on the basis of the first degrees of similarity. The identification unit computes a first degree of similarity by adding a score for each input image feature point that matches a feature point in a model image for which a first degree of similarity is to be calculated. The score that corresponds to a feature point increases the fewer model images there are that include that feature point among the plurality of model images.

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Inventors:

KONISHI YOSHINORI (JP)

Application Number:

PCT/JP2014/057003

Publication Date:

September 17, 2015

Filing Date:

March 14, 2014

Export Citation:

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Assignee:

OMRON TATEISI ELECTRONICS CO (JP)

International Classes:

G06T7/00

Foreign References:

JP2006190201A	2006-07-20
JP2010113731A	2010-05-20
JP2012048593A	2012-03-08
JPH033089A	1991-01-09

Other References: