Title:
OPERATING METHOD OF DIGITAL CAMERA, AND DIGITAL CAMERA
Document Type and Number:
Japanese Patent JP2013211894
Kind Code:
A
Abstract:
To provide an operating method of a digital camera and the digital camera in which a reference image effective for generating a high dynamic range image can be obtained by a necessary minimum frequency of photographing when photographing the reference image to be used for generating the high dynamic range image.
In an operating method of a digital camera, a first reference image is obtained by imaging a predetermined subject. Thereafter, a frequency distribution of luminance values is obtained from the first reference image. A feature amount is obtained from the obtained frequency distribution. A second reference image is obtained by imaging the predetermined subject under an exposure condition determined from the obtained feature amount.
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Inventors:
HARAGUCHI YUKI
HASEGAWA HIROSHI
HASEGAWA HIROSHI
Application Number:
JP2013110184A
Publication Date:
October 10, 2013
Filing Date:
May 24, 2013
Export Citation:
Assignee:
MEGA CHIPS CORP
International Classes:
H04N5/235; G03B7/08; G03B7/28; G03B15/00
Domestic Patent References:
JPH08214211A | 1996-08-20 | |||
JP2003256814A | 2003-09-12 | |||
JP2002223387A | 2002-08-09 | |||
JP2008048251A | 2008-02-28 |
Attorney, Agent or Firm:
Yoshitake Hidetoshi
Takahiro Arita
Takahiro Arita