DRIVER STATE ESTIMATION DEVICE, DRIVER STATE ESTIMATION SYSTEM, DRIVER STATE ESTIMATION METHOD, DRIVER STATE ESTIMATION PROGRAM, SUBJECT STATE ESTIMATION DEVICE, SUBJECT STATE ESTIMATION METHOD, SUBJECT STATE ESTIMATION PROGRAM, AND RECORDING MEDIUM

Title:

Document Type and Number:

WIPO Patent Application WO/2017/208529

Kind Code:

A1

Abstract:

Provided is a driver state estimation device (10), comprising an image acquisition unit (11), an estimation unit (18), and a weight computation unit (19). The image acquisition unit (11) acquires a first image. The estimation unit (18) estimates a state of a driver who is included in the acquired first image. The weight computation unit (19) computes, from the estimated state of the driver, weights for each respective action feature value of the driver which are used in the estimation. On the basis of the action feature values which have been weighted using the computed weights, the estimation unit (18) estimates the state of the driver. From the state of the driver which has been estimated by the estimation unit (18), the weight computation unit (19) changes the weight for each of the action feature values of the driver which are used in the estimation.

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Inventors:

AOI HATSUMI (JP)
KINOSHITA KOICHI (JP)
AIZAWA TOMOYOSHI (JP)
HAMABASHIRI HIDETO (JP)
HYUGA TADASHI (JP)
UETANI MEI (JP)

Application Number:

PCT/JP2017/007142

Publication Date:

December 07, 2017

Filing Date:

February 24, 2017

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Assignee:

OMRON TATEISI ELECTRONICS CO (JP)

International Classes:

G06T7/20; A61B5/11; A61B5/18; G08G1/16

Domestic Patent References:

WO2014013985A1

2014-01-23

Foreign References:

JP2005205943A	2005-08-04
JP2007006427A	2007-01-11

Attorney, Agent or Firm:

MOTOYAMA, Masafumi et al. (JP)

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