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Title:
撮像装置
Document Type and Number:
Japanese Patent JP4632918
Kind Code:
B2
Abstract:

To prevent flicker correction performance from deteriorating when an imaging apparatus with a flicker correction function mounting a CCD is used under a fluorescent lamp.

The imaging apparatus comprises a calculator for calculating a pixel average value, i. e. the average value of pixel values constituting the video image of every frame outputted from a CCD and processed digitally, a flicker judgment unit for detecting occurrence/nonoccurrence of flicker from the pixel average value and originating a notice of occurrence or nonoccurrence of flicker, a unit performing flicker correction processing in response to the notice of occurrence of flicker, a unit for calculating a flicker period pixel average value by averaging the pixel average values in units of flicker period in response to the notice of occurrence of flicker, and an AE set value calculator performing AE processing of the output from the CCD with reference to the flicker period pixel average value.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
Masumi Kasumoto
Shigehiro Matoba
Application Number:
JP2005296231A
Publication Date:
February 16, 2011
Filing Date:
October 11, 2005
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
H04N5/243; H04N5/235; H04N101/00
Domestic Patent References:
JP10200903A
JP2001086401A
JP2003134392A
JP7177427A
Attorney, Agent or Firm:
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order



 
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