Title:
CAMERA
Document Type and Number:
WIPO Patent Application WO/2008/029503
Kind Code:
A1
Abstract:
A camera is provided with an image pickup device, a face detecting unit, a focus
detecting unit, a first focusing control unit, a second focusing control unit,
and a control unit. The image pickup device picks up an image. The face detecting
unit detects a face area in the picked-up image display in accordance with an output
of the image pickup device. The focus detecting unit has a plurality of candidate
areas in the picked-up image display and carries out an arithmetic operation
of a defocus quantity from a relative distance of a pair of images based on light
flux passing through an image pickup lens at each candidate area. The first focusing
control unit designates a focus detecting area out of the candidate areas in accordance
with the output of the face detecting unit and carries out a focusing operation
of the image pickup lens in accordance with the defocus quantity of the focus detecting
area. The second focusing control unit carries out an arithmetic operation
of a focus evaluation value in the face area in accordance with the output of the
image pickup device, searches a lens position with the maximum focus evaluation
value and carries out a focusing operation. The control unit makes at least one
of the first and second focusing control units carry out the focusing operation.
Inventors:
NOZAKI HIROTAKE (JP)
EJIMA SATOSHI (JP)
OHMURA AKIRA (JP)
EJIMA SATOSHI (JP)
OHMURA AKIRA (JP)
Application Number:
PCT/JP2007/000921
Publication Date:
March 13, 2008
Filing Date:
August 28, 2007
Export Citation:
Assignee:
NIKON CORP (JP)
NOZAKI HIROTAKE (JP)
EJIMA SATOSHI (JP)
OHMURA AKIRA (JP)
NOZAKI HIROTAKE (JP)
EJIMA SATOSHI (JP)
OHMURA AKIRA (JP)
International Classes:
H04N5/232; G02B7/28; G02B7/34; G02B7/36; G03B13/36; H04N101/00
Foreign References:
| JP2006191467A | 2006-07-20 | |||
| JP2006227080A | 2006-08-31 | |||
| JP2006003428A | 2006-01-05 | |||
| JP2001215398A | 2001-08-10 | |||
| JP2006215403A | 2006-08-17 | |||
| JP2006211139A | 2006-08-10 | |||
| JP2003107335A | 2003-04-09 | |||
| JP2003156680A | 2003-05-30 | |||
| JP2002333652A | 2002-11-22 | |||
| JP2003092700A | 2003-03-28 | |||
| JP2006018246A | 2006-01-19 |
Attorney, Agent or Firm:
FURUYA, Fumio et al. (19-5 Nishishinjuku 1-Chome, Shinjuku-k, Tokyo 23, JP)
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