Method and apparatus for determining whether backlight exists

Details Method and apparatus for determining whether backlight exists Method and apparatus for determining whether backlight exists

2008-04-15

2011-10-04

Werner, Brian (Department: 2624)

Image analysis

Image enhancement or restoration

Intensity, brightness, contrast, or shading correction

Reexamination Certificate

active

08031966

ABSTRACT:
Provided are a method and apparatus for determining whether backlight exists. The method according to an embodiment of the present invention includes calculating scattering degrees of luminance values of pixels included in each of images which represent the same photographic subject and have different brightness levels from each other; and determining whether backlight exists on the photographic subject in consideration of the calculated scattering degrees.

REFERENCES:
patent: 7010160 (2006-03-01), Yoshida
patent: 2008/0012956 (2008-01-01), Nihei et al.
TechDictionary.com (2011), http://www.techdictionary.com/search—action.lasso (last visited Apr. 13, 2011).

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