Title:
画像処理装置、画像処理方法、撮像装置、プログラム、記憶媒体
Document Type and Number:
Japanese Patent JP7344648
Kind Code:
B2
Abstract:
To provide an image processing device capable of extending a dynamic range on a high luminance side, while suppressing color curving, in an input image.SOLUTION: The image processing device includes an input part for inputting the input image which is an image signal having a plurality of color signals, a white balance processing part for performing white balance adjustment to the input image, a first extension processing part for performing first extension processing for extending the dynamic range in a first color space to a signal after the white balance processing, a conversion part for converting the signal after the first extension processing is performed into the signal of a second color space, and a second extension processing part for performing second extension processing for further extending the dynamic range in the second color space to the signal converted into the second color space by the conversion part.SELECTED DRAWING: Figure 2
Inventors:
Kaoru Tajima
Application Number:
JP2019027651A
Publication Date:
September 14, 2023
Filing Date:
February 19, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
H04N9/68; G06T1/00; G06T5/00; H04N1/60; H04N23/10; H04N23/60; H04N23/741; H04N23/76
Domestic Patent References:
| JP2017126920A | ||||
| JP2002135787A | ||||
| JP2014112780A | ||||
| JP2009118158A |
Attorney, Agent or Firm:
Patent Attorney Corporation Otsuka International Patent Office