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1. (WO2018025336) DEGRADATION DETECTION DEVICE, DEGRADATION DETECTION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

Pub. No.:    WO/2018/025336    International Application No.:    PCT/JP2016/072700
Publication Date: Fri Feb 09 00:59:59 CET 2018 International Filing Date: Wed Aug 03 01:59:59 CEST 2016
IPC: G01N 21/88
Applicants: NEC CORPORATION
日本電気株式会社
Inventors: CHAUDHURY, Subhajit
チャウダリー シュボジト
NAKANO, Gaku
中野 学
Title: DEGRADATION DETECTION DEVICE, DEGRADATION DETECTION METHOD, AND COMPUTER-READABLE RECORDING MEDIUM
Abstract:
A degradation detection device 10 is provided with: an image acquiring unit 11 for acquiring a sequence image of a detection object; a point-of-agreement specifying unit 12 for specifying a point of agreement in a sequence image; a movement amount calculation unit 13 for specifying, for each frame constituting the sequence image, movement occurring between a frame and a frame previous to the frame on the basis of the specified point of agreement, and calculating a movement amount for each point of agreement along a time series; and a degradation region candidate specifying unit 14 for specifying a region in which the likelihood of degradation occurring in the sequence image is high on the basis of the movement amounts for each point of agreement calculated along the time series.