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Title:
撮像装置及び撮像信号の雑音除去方法
Document Type and Number:
Japanese Patent JP5003787
Kind Code:
B2
Abstract:

To prevent image quality deterioration by surely canceling a noise component that is superimposed on an image signal when reading the signal from a solid-state imaging element.

An imaging apparatus includes: a CCD 22; a noise pattern ROM 25 storing a plurality of pattern signals for noise cancellation for an image signal obtained by the CCD 22; and an OB clamp circuit 24 for superimposing on the image signal obtained by the CCD 22 in accordance with the pattern signal read out of the noise pattern ROM 25 correspondingly to an operating state of a color signal processing circuit 26.

COPYRIGHT: (C)2010,JPO&INPIT


Inventors:
Toshiro Yajima
Application Number:
JP2010086627A
Publication Date:
August 15, 2012
Filing Date:
April 05, 2010
Export Citation:
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Assignee:
CASIO COMPUTER CO.,LTD.
International Classes:
H04N9/07; H04N5/335; H04N5/357; H04N5/372; H04N5/378
Domestic Patent References:
JP6054287A
JP7193755A
JP4196818A