IMAGE TARGET IDENTIFICATION DEVICE, IMAGE TARGET IDENTIFICATION METHOD, AND IMAGE TARGET IDENTIFICATION PROGRAM

WIPO Patent Application WO/2011/055772

A1

A target object in an infrared image can be identified. A device is provided with a luminance histogram calculation unit (6) which generates a luminance histogram indicating a frequency of appearance of a luminance value included in the infrared image and determines the luminance value which corresponds to the peak in the luminance histogram as a background luminance level of a background in the infrared image; a luminance shift calculation unit (7) which sets the background luminance value as an intermediate value in the luminance range width of the infrared image and generates a luminance shift image by linearly shifting other luminance values in the infrared image on the basis of the intermediate value; a reversed image processing unit (8) which generates a reversed shift image wherein the luminance level of the luminance shift image is reversed; and a luminance calculation processing unit (9) which generates a calculation-processed image by performing a calculation process on the basis of the difference in the luminance values at corresponding positions in the luminance shift image and the reversed shift image.

NOZAKI TAKEO (JP)

PCT/JP2010/069656

May 12, 2011

November 05, 2010

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NEC CORP (JP)
NOZAKI TAKEO (JP)

H04N5/225; G01S3/782; G06T1/00; H04N5/33

JPH0879632A	1996-03-22
JP2003296728A	2003-10-17
JP2006041744A	2006-02-09
JP2001056860A	2001-02-27
JP2001184510A	2001-07-06
JP2002310940A	2002-10-23
JP2010014482A	2010-01-21

TAKAHASHI ISAMU (JP)
Isamu Takahashi (JP)

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