(19)
(11)EP 2 076 020 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
19.08.2009 Bulletin 2009/34

(43)Date of publication A2:
01.07.2009 Bulletin 2009/27

(21)Application number: 08172896.6

(22)Date of filing:  24.12.2008
(51)International Patent Classification (IPC): 
H04N 5/217(2006.01)
(84)Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30)Priority: 28.12.2007 JP 2007339352

(71)Applicant: Nikon Corporation
Chiyoda-ku Tokyo 100-8331 (JP)

(72)Inventor:
  • Utsugi Akihiko
    Tokyo 100-8331 (JP)

(74)Representative: Viering, Jentschura & Partner 
Postfach 22 14 43
80504 München
80504 München (DE)

  


(54)Image processing device, correction information generation method, and image-capturing device


(57) An image processing device that corrects and interpolates pixel values of defective pixels present upon an image sensor, includes: a position information storage memory that stores a position of a defective pixel of a first type whose pixel value can be utilized after correction, and a position of a defective pixel of a second type whose pixel value is to be interpolated using pixel values of other pixels, distinguished from one another; a correction amount storage memory that stores a correction amount for the defective pixel of the first type; a correction unit that corrects the pixel value of the defective pixel of the first type according to the correction amount; and an interpolation unit that interpolates the pixel value of the defective pixel of the second type, using the pixel values of pixels including the defective pixel of the first type whose pixel value has been corrected by the correction unit.







Search report