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Patent Searching and Data


Title:
An imaging device and a method for controlling the same
Document Type and Number:
Japanese Patent JP5956870
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To control exposure to achieve good exposure change in performing moving image photographing with a low-speed shutter having an exposure time longer than a field period.SOLUTION: An imaging device includes: imaging means for photographing a subject image and outputting image data; photometric value acquisition means for acquiring a photometric value from the image data; exposure changing means for changing exposure of the imaging means; and calculation means for calculating the amount of exposure change in changing exposure by the exposure changing means. The calculation means, when moving images are photographed with an exposure time longer than a predetermined time corresponding to a field period, calculates the amount of exposure change in a field where the image data is not acquired, on the basis of the photometric value acquired by the photometric value acquisition means and the amount of exposure change in the previous field of the field where the image data is not acquired.

Inventors:
Kenzo Hisa
Application Number:
JP2012183599A
Publication Date:
July 27, 2016
Filing Date:
August 22, 2012
Export Citation:
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Assignee:
Canon Inc
International Classes:
H04N5/238; G03B7/091; H04N5/243; H04N5/351
Domestic Patent References:
JP9116804A
JP2003230156A
JP5344414A
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura
Osamu Shimoyama
Nagakawa Yukimitsu