BACKGROUND UPDATING DEVICE, METHOD, AND PROGRAM

WIPO Patent Application WO/2024/052974

A1

A background updating device 2 is provided with a background updating unit 25 that, using at least (A) a thermal image that is an image of heat generated by a real object and is obtained by photographing a given photographing range at an object time by a thermal camera for photographing the heat generated by the real object, and (B) a background thermal image that is a thermal image of a background of the given photographing range, and with a region that is a background in the terminal image at the object time being defined as a "background region", performs processing for obtaining, as a new background thermal image, what is obtained by adding, to each pixel value of the background thermal image, a value obtained by subtracting a representative value of the temperature of the background region of the background thermal image from a representative value of the temperature of the background region of the thermal image at the object time.

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KISHINO YASUE (JP)
SHIRAI YOSHINARI (JP)
MIZUTANI SHIN (JP)
OHARA KAZUYA (JP)

PCT/JP2022/033371

March 14, 2024

September 06, 2022

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NIPPON TELEGRAPH & TELEPHONE (JP)

H04N7/18

WO2022080352A1	2022-04-21
WO2022176151A1	2022-08-25

JP2013207392A	2013-10-07
KR101583773B1	2016-01-20

NAKAO, Naoki et al. (JP)

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