To provide a lighting control device which performs high precision illuminance measurement from image information from a camera, and also achieves dimming control in high precision suitable for each area by acquiring illuminance information necessary in each area of a wide space.
A lighting control device which performs illuminance measurement treatment based on the image information of a camera 14 includes an image treatment device 12 where a specific object area is established as an imaging object of the camera, and obtains image feature information from the image information received through imaging the object area. The image treatment device 12 calculates the illuminance information inside the lighting object area based on the image feature information.
ENOHARA TAKAAKI
NODA SHUHEI
NISHIMURA NOBUTAKA
| JP2004178129A | 2004-06-24 | |||
| JPH0535877A | 1993-02-12 | |||
| JP2006270865A | 2006-10-05 | |||
| JP2001250696A | 2001-09-14 |
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