Patent ID: 7777806
Filing Date: 2010-08-17
Classification: H04N

Abstract:
1. A camera comprising: an image-capturer which captures a field of object to generate an image; a photometry unit which measures a luminance of a predetermined area of said field of object corresponding to one of a plurality of photometry modes, the predetermined area being different for each of the photometry modes; a calculator which calculates a ratio between a luminance value of a portion of an image captured according to the luminance measured by said photometry unit and a target luminance value of the predetermined area, the portion corresponding to the predetermined area in compliance with one of the photometry modes; and wherein said calculator determines the target luminance value according to a luminance of a first area of the field of object measured by said photometry unit and to a luminance of a second area different from the first area, and calculates a ratio between a luminance value of a portion of the image and the determined target luminance value, the portion of the image corresponding to the first area.