Title:
画像処理装置、画像処理方法、プログラム
Document Type and Number:
Japanese Patent JP5744431
Kind Code:
B2
Abstract:
An image processing apparatus for applying a color balance correction to input image data, comprises a holding unit which holds information indicating a locus of a change in highlight color when a color temperature for image data is changed on a color space; a highlight color calculation unit which calculates a highlight color from the image data; a distance calculation unit which calculates a distance between the highlight color and the highlight color locus held in the holding unit on the color space; a reliability calculation unit which calculates a reliability for a value of the highlight color calculated by the highlight color calculation unit in accordance with the distance calculated by the distance calculation unit; and a color balance correction unit which applies the color balance correction to the image data using the highlight color and the reliability.
Inventors:
Sakai Yoko
Junichi Nakagawa
Kiyoshi Umeda
Junichi Nakagawa
Kiyoshi Umeda
Application Number:
JP2010162217A
Publication Date:
July 08, 2015
Filing Date:
July 16, 2010
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N1/46; G06T1/00; H04N1/60
Domestic Patent References:
| JP2009225346A | ||||
| JP2009044681A | ||||
| JP2005079623A | ||||
| JP2007201582A |
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu