Title:
画像処理装置及び画像処理方法
Document Type and Number:
Japanese Patent JP5479068
Kind Code:
B2
Abstract:
An image processing apparatus and an image processing method that enable suitable contrast adjustment are provided. The image processing apparatus includes region detection means configured to detect (S215) predetermined first luminance level detection region and second luminance level detection region in a human face as a target to be photographed, luminance amount calculation means configured to calculate (S221, S225) an absolute value of a difference between a luminance level of the first luminance level detection region and a certain reference luminance level as a high luminance amount and calculate (S223, S225) an absolute value of a difference between a luminance level of the second luminance level detection region and the reference luminance level as a low luminance amount, and determination means configured to determine (S241) whether a difference or a ratio between the high luminance amount and the low luminance amount falls within a certain range.
Inventors:
Satoshi Kubota
Application Number:
JP2009285649A
Publication Date:
April 23, 2014
Filing Date:
December 16, 2009
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N5/232; G06T1/00; G06V10/141; H04N5/243
Domestic Patent References:
| JP2001222048A | ||||
| JP2009124309A | ||||
| JP2007228201A |
Attorney, Agent or Firm:
Takayoshi Kokubun