Title:
Imaging device, imaging system, control method of imaging device, program, and storage medium
Document Type and Number:
Japanese Patent JP6305006
Kind Code:
B2
Abstract:
A detection apparatus configured to detect a focus state based on an output signal from an image pickup element capable of outputting an image pickup signal and a phase-difference detection signal includes, a first calculation unit configured to calculate information related to a first phase difference based on the phase-difference detection signal output from the image pickup element, a second calculation unit configured to calculate information related to a second phase difference based on the image pickup signal output from the image pickup element, and a detection unit configured to detect the focus state based on the information related to the first phase difference and the second phase difference.
Inventors:
Hirokazu Ishii
Application Number:
JP2013217328A
Publication Date:
April 04, 2018
Filing Date:
October 18, 2013
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B7/34; G02B7/28; G03B13/36; H04N5/232
Domestic Patent References:
| JP2013190734A | ||||
| JP2007317951A | ||||
| JP2013106124A | ||||
| JP2009130581A | ||||
| JP2010217618A | ||||
| JP2014139679A |
Foreign References:
| WO2012132122A1 | ||||
| WO2013047160A1 | ||||
| WO2012073728A1 | ||||
| WO2012132827A1 | ||||
| US20140211059 | ||||
| WO2013099638A1 | ||||
| WO2013047158A1 | ||||
| WO2012073729A1 | ||||
| WO2013099637A1 |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsushi Mizumoto
Hirayama Tomoya
Atsushi Mizumoto
Hirayama Tomoya