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Title:
ENDOSCOPE PROCESSOR, AND ENDOSCOPE UNIT
Document Type and Number:
Japanese Patent JP2011183055
Kind Code:
A
Abstract:

To alleviate delay in image brightness adjustment to delay in exposure time adjustment.

The endoscope processor 20 includes a processor image processing circuit 22, a multiplier 23, and a system controller 24. The processor image processing circuit 22 receives an image signal produced by imaging from an endoscope image processing circuit 33. The processor image processing circuit 22 calculates brightness based on the image signal. The system controller 24 determines exposure time based on the brightness and ideal brightness. The system controller 24 receives delay time till actual imaging with the determined exposure time from an endoscope memory 32. The system controller 24 calculates a correction gain based on the determined exposure time and the delay time. The multiplier 23 multiplies the image signal by the correction gain.


Inventors:
ISERI HIROKI
Application Number:
JP2010053483A
Publication Date:
September 22, 2011
Filing Date:
March 10, 2010
Export Citation:
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Assignee:
HOYA CORP
International Classes:
A61B1/04; A61B1/06; G02B23/24; H04N5/225
Domestic Patent References:
JP2008264539A2008-11-06
JP2006141435A2006-06-08
JPH04269028A1992-09-25
JP2004000335A2004-01-08
JP2007243775A2007-09-20
JPH06142038A1994-05-24
Attorney, Agent or Firm:
Takashi Matsuura
Hiroki Ogura
Shigeru Torayama
Tsubouchi Shin



 
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