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Endoscope system

A technology of endoscope and mirror body, which is applied in the field of endoscope system and can solve problems such as video signal degradation

Inactive Publication Date: 2013-03-13
OLYMPUS MEDICAL SYST CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, as described above, the video processor also performs correction processing such as contour enhancement, and there is a problem that the video signal may be degraded by the correction processing in the video processor due to the influence of the correction processing performed by the correction circuit in the scope.

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Embodiment Construction

[0017] Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[0018] figure 1 It is a block diagram showing the endoscope system according to the first embodiment of the present invention. and, figure 2 is showing figure 1 The circuit diagram of the specific structure of the frequency correction part 16 of the inner substrate 15 of the mirror in . and, image 3 It is a waveform diagram for explaining the operation of the frequency correction unit 16 . In addition, in figure 1 In , thick lines indicate video signal flow.

[0019] figure 1 The shown endoscopic system consists of an endoscope 10 and a video processor 20 . In the endoscope 10 , an imaging unit 12 is provided at the tip of the insertion unit 11 . The imaging unit 12 performs photoelectric conversion of an optical image from a subject, and outputs a video signal of the subject to the CDS circuit unit 13 . The CDS circuit unit 13 performs CDS (Correl...

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Abstract

An endoscope system comprises: an endoscope that outputs a video signal on the basis of an endoscopic image that is obtained by an image capture unit that captures an optical image of a specimen; and a video processor that is detachably connected to the endoscope and that carries out video signal processing on the video signal from the endoscope. The video processor further comprises: a degree of correction acquisition unit wherein, if the endoscope comprises a first frequency corrector unit that carries out frequency correction of the video signal, first frequency correction information that is employed in the first frequency corrector unit is inputted, and said degree of correction acquisition unit acquires second frequency correction information for carrying out frequency correction in cooperation with a frequency correction process of the first frequency corrector unit on the basis of the first frequency information; and a second frequency corrector unit that employs the second frequency correction information in carrying out the frequency correction on the video signal from the endoscope.

Description

technical field [0001] The present invention relates to an endoscope system that processes endoscope images from an imaging unit. Background technique [0002] In recent years, endoscopes (hereinafter, also referred to as scopes) have been widely used for diagnosis and treatment using surgical instruments in the medical field. An electronic endoscope device in which an imaging element such as a charge-coupled device (CCD) is provided at the tip of an endoscope, and an observation image captured by the CCD is displayed on a television monitor by a video processor is widespread. [0003] The video processor performs various video signal processing on the video signal from the mirror body, and outputs it to the monitor. For example, correction processing such as outline emphasis processing is performed in a video processor. [0004] However, in an endoscope system, a correction circuit (hereinafter also referred to as an in-scope correction circuit) for performing correction ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B1/04
CPCH04N5/243A61B1/00059A61B1/042A61B1/00009H04N5/378A61B1/00004H04N5/367A61B1/045A61B1/053H04N5/232A61B1/04A61B1/000095H04N23/76H04N25/69H04N25/78H04N25/68H04N25/75
Inventor 久津间祐二
Owner OLYMPUS MEDICAL SYST CORP