IMAGE RECOGNITION DEVICE, IMAGE RECOGNITION METHOD, AND IMAGE RECOGNITION PROGRAM

Title:

IMAGE RECOGNITION DEVICE, IMAGE RECOGNITION METHOD, AND IMAGE RECOGNITION PROGRAM

Document Type and Number:

WIPO Patent Application WO/2018/207334

Kind Code:

A1

Abstract:

The image recognition device according to the present invention is provided with: a parameter calculation means which, by using at least one or more first images having a predetermined attribute that is common to subjects to be authenticated, calculates one or more parameters for extracting, from a second image, a feature indicating that the second image is likely to have the predetermined attribute, or unlikely to have the predetermined attribute, wherein it is not known whether or not the second image has the predetermined attribute; a feature extraction means which extracts a feature from an input image using the one or more parameters; and a determination means which determines whether or not the second image is a subject to be authenticated, on the basis of at least said feature extracted from the second image. The feature extraction means extracts a feature using a neural network that is obtained by connecting together calculation elements having predetermined parameters, and that includes two or more layers including input and output layers, each layer comprising calculation elements, wherein at least one layer comprises fewer calculation elements than the input layer, to which image information is input.

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Inventors:

AKIYAMA TATSUO (JP)

Application Number:

PCT/JP2017/017985

Publication Date:

November 15, 2018

Filing Date:

May 12, 2017

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Assignee:

NEC CORP (JP)

International Classes:

G06T7/00

Domestic Patent References:

WO2015008567A1

2015-01-22

Foreign References:

JP2017004350A	2017-01-05
JP2014203135A	2014-10-27
JPH09161054A	1997-06-20

Other References:

SHO SONODA ET AL.: "Transportation aspect of infinitely deep denoising autoencoder", IEICE TECHNICAL REPORT, vol. 116, no. 300, 9 November 2016 (2016-11-09), pages 297 - 304

Attorney, Agent or Firm:

IWAKABE Fuyuki et al. (JP)

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