Title:
METHOD FOR COMPENSATING COLOR IN ACCORDANCE WITH CHANGE IN IMAGE BRIGHTNESS USING CAMERA COLOR CHARACTERISTIC CURVE
Document Type and Number:
WIPO Patent Application WO/2010/123171
Kind Code:
A1
Abstract:
The present invention relates to a method for compensating a color in accordance with a change in image brightness using a camera color characteristic curve. More specifically, the present invention concerns the method comprising the steps of: (1) measuring brightness-color data reflecting the characteristics of a camera; (2) deriving a nonlinear characteristic curve of the camera by using the measured brightness-color data; and (3) performing color compensation proper to a visual characteristic by applying the derived nonlinear characteristic curve to an inputted image. The method of the present information is able to compensate a color of an image efficiently and reduce calculation quantity at the same time by using a nonlinear brightness response curve of a camera. In addition, the method is capable of providing a color compensation algorithm which has fast execution time and high accuracy for the proper installation thereof in the camera. Furthermore, the method can be used in actual software-based exposure bracketing.
Inventors:
LEE BYOUNG-UK (KR)
YANG SE JUNG (KR)
KIM YOON AH (KR)
YANG SE JUNG (KR)
KIM YOON AH (KR)
Application Number:
PCT/KR2009/003891
Publication Date:
October 28, 2010
Filing Date:
July 15, 2009
Export Citation:
Assignee:
UNIV EWHA IND COLLABORATION (KR)
LEE BYOUNG-UK (KR)
YANG SE JUNG (KR)
KIM YOON AH (KR)
LEE BYOUNG-UK (KR)
YANG SE JUNG (KR)
KIM YOON AH (KR)
International Classes:
H04N9/04
Foreign References:
| KR20090012398A | 2009-02-04 | |||
| JP2006203540A | 2006-08-03 | |||
| JP2005295294A | 2005-10-20 |
Attorney, Agent or Firm:
TAEDONG INTERNATIONAL PATENT LAW FIRM (KR)
특허법인 태동 (KR)
특허법인 태동 (KR)
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