Night vision apparatus

Details Night vision apparatus Night vision apparatus

2009-10-06

2011-12-13

Porta, David (Department: 2884)

Radiant energy

Calibration or standardization methods

Reexamination Certificate

active

08076633

ABSTRACT:
A night vision image processing unit (night vision apparatus) separates an input field image that a field separating unit has acquired from a near-infrared camera into an odd-numbered field image and an even-numbered field image. A region segmenting unit segments an image into a plurality of regions (a luminous region, a high-reflection region, a low-luminance region) based on luminance value of each pixel included in the odd-numbered field image and the even-numbered field image. A luminous region processing unit, a high-reflection region processing unit, and a low-luminance region processing unit correct the luminance value according to characteristics of the regions.

REFERENCES:
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patent: 2005-222549 (2005-08-01), None
patent: 2006-259829 (2006-09-01), None
International Search Report for PCT/JP2007/059473, mailed Jul. 24, 2007 (English and Japanese).

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