Title:
撮像装置及びフォーカス制御方法
Document Type and Number:
Japanese Patent JP6462183
Kind Code:
B2
Abstract:
An imaging apparatus includes: a distance measurement unit that measures distance values of a plurality of points in a first area which has a focus point as a reference point; a statistical unit that calculates statistics indicating a variation in the measured distance values of the plurality of points in the first area; a size determination unit that determines the size of a second area which has the focus point as a reference point, on the basis of the calculated statistics; a contrast evaluation value calculation unit that calculates a contrast evaluation value on the basis of an image of the second area; and a focusing unit that moves a focus lens to a lens position determined on the basis of the calculated contrast evaluation value.
Inventors:
Mikio Watanabe
Application Number:
JP2018508842A
Publication Date:
January 30, 2019
Filing Date:
March 01, 2017
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G03B13/36; G02B7/36; G02B7/40; H04N5/232
Domestic Patent References:
| JP2014138290A | 2014-07-28 | |||
| JP2013130827A | 2013-07-04 | |||
| JP2013148788A | 2013-08-01 |
Attorney, Agent or Firm:
Kenzo Matsuura
Kazuki Ohara
Kiyoshi Matsumura
Norimasa Matsuura
Kazuki Ohara
Kiyoshi Matsumura
Norimasa Matsuura
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