WO2014037979A1 - Dispositif d'imagerie, dispositif d'endoscopie et procédé de commande pour dispositif d'imagerie - Google Patents

Dispositif d'imagerie, dispositif d'endoscopie et procédé de commande pour dispositif d'imagerie Download PDF

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Publication number
WO2014037979A1
WO2014037979A1 PCT/JP2012/005683 JP2012005683W WO2014037979A1 WO 2014037979 A1 WO2014037979 A1 WO 2014037979A1 JP 2012005683 W JP2012005683 W JP 2012005683W WO 2014037979 A1 WO2014037979 A1 WO 2014037979A1
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WIPO (PCT)
Prior art keywords
unit
imaging
color
illumination
specific reference
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PCT/JP2012/005683
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English (en)
Japanese (ja)
Inventor
奥田　義行
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パイオニア株式会社
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Priority to PCT/JP2012/005683 priority Critical patent/WO2014037979A1/fr
Priority to JP2014534050A priority patent/JPWO2014037979A1/ja
Publication of WO2014037979A1 publication Critical patent/WO2014037979A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/045—Control thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0638—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements providing two or more wavelengths
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/0655—Control therefor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B33/00—Colour photography, other than mere exposure or projection of a colour film
    • G03B33/06—Colour photography, other than mere exposure or projection of a colour film by additive-colour projection apparatus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/555—Constructional details for picking-up images in sites, inaccessible due to their dimensions or hazardous conditions, e.g. endoscopes or borescopes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70—Circuitry for compensating brightness variation in the scene
    • H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/80—Camera processing pipelines; Components thereof
    • H04N23/84—Camera processing pipelines; Components thereof for processing colour signals

Definitions

  • the present invention relates to an imaging apparatus, an endoscope apparatus, and a control method for an imaging apparatus that capture a plurality of color images independently in a time division manner and obtain a color image from the captured plurality of color images.
  • an endoscope main body having an insertion portion to be inserted into a body cavity, and a hand side of the endoscope main body
  • a light source device that supplies illumination light
  • an imaging unit that is connected to the proximal side of the endoscope main body and has a function for imaging
  • a signal processing circuit that performs signal processing on the imaging unit
  • a color TV monitor that displays a signal
  • red, green, and blue illumination lights are sequentially emitted from a light source device, and color images of respective reference colors are sequentially taken into a frame memory in synchronization with the illumination by an imaging unit. Then, a color image is generated from the captured color image of each reference color and displayed on a color TV monitor.
  • the illumination unit is synchronized with the imaging unit, and in the blanking period of the imaging unit, Illumination light of each reference color is irradiated. That is, each color image is exposed in each blanking period, and each color image is scanned (read) in the most recent scanning period.
  • the blanking period becomes the irradiation time of the illumination light of each reference color, so that the irradiation time becomes extremely short. Therefore, there has been a problem that all light sources of the reference color must use a high response speed (for example, an LED light source). That is, the usable light source is extremely limited.
  • a very high light emission intensity (luminance) is required instantaneously for a specific reference color (hereinafter referred to as a specific reference color).
  • a specific reference color For example, in a configuration using a HARP (High-gain Avalanche Rushing Amorphous Photoconductor) film in the imaging unit, the red light receiving sensitivity is remarkably lowered as shown in FIG. For this reason, irradiation with red illumination light requires a high amount of light emission to compensate for light reception sensitivity. However, since this is covered by an extremely short irradiation period, a very high light emission intensity is required instantaneously. End up.
  • the light source may be damaged or may be deteriorated due to heat generation even if it does not reach the light source.
  • the LED light source is likely to be damaged due to its low heat dissipation performance compared to other light sources.
  • the irradiation time of the illumination light of the specific reference color is set outside the blanking period (within the scanning period). It is also possible to extend up to.
  • the imaging apparatus includes an illumination unit capable of irradiating a subject with illumination light of n (n ⁇ 2) colors including one specific reference color and a plurality of non-specific reference colors, and illumination control for controlling the illumination unit.
  • An image capturing unit that captures n color images corresponding to n colors of a subject in a time-division manner, and an image processing unit that generates a color image based on the captured n color images
  • the illumination control unit continuously irradiates illumination light of a specific reference color during a unit imaging period, and a plurality of non-specifications during (n ⁇ 1) blanking periods within the unit imaging period
  • the illumination light of the reference color is irradiated respectively.
  • the imaging unit preferably includes a photoelectric conversion film that receives reflected light from the subject and an electron source unit that reads a light image accumulated on the photoelectric conversion film.
  • the illumination light of the specific reference color has a lower light receiving sensitivity in the imaging unit than a plurality of non-specific reference colors.
  • an illumination unit capable of irradiating a subject with illumination light of n (n ⁇ 2) colors including one specific reference color and a plurality of non-specific reference colors, and a unit imaging period
  • An imaging apparatus comprising: an imaging unit that captures n color images corresponding to n colors of a subject in a time-sharing manner; and an image processing unit that generates a color image based on the captured n color images. And controlling the illumination unit to continuously irradiate illumination light of a specific reference color in the unit imaging period, and in a plurality of (n ⁇ 1) blanking periods in the unit imaging period. The illumination light of the non-specific reference color is irradiated respectively.
  • a color image of only the color component of the specific reference color is picked up in one scanning period, and the color component of the specific reference color and each non-specific reference in (n ⁇ 1) scanning periods.
  • a color image in which color components of colors are mixed is captured.
  • the irradiation of the specific reference color is extended outside the blanking period, the exposure time is continuously varied over the entire imaging period, so that there is no difference in the exposure time depending on the scanning row (see FIG. 6).
  • the color component of the specific reference color is common to all color images, the color component of the specific reference color can be easily removed from other color images by using the captured color image of the specific reference color. it can.
  • a color image (color component) of each reference color can be obtained with high accuracy. Therefore, it is possible to obtain a suitable color image while extending the irradiation time of the illumination light of the specific reference color. Therefore, usable light sources are not extremely limited, and damage to the light sources can be prevented.
  • the light emission intensity of the light source can be reduced, the life of the imaging unit can be extended, and the maximum supply current value of the drive circuit can be reduced, which simplifies the entire device and reduces power consumption. It contributes to electric power.
  • the peak luminance value for a subject for example, a body organ
  • the peak luminance value for a subject can be significantly reduced, light damage to the subject can be suppressed, and it can be used for applications where light damage is a concern.
  • the illumination light of the specific reference color irradiates light in a wavelength region based on spectral sensitivity characteristics in the human retina.
  • the illumination unit includes a first light source that emits illumination light of a specific reference color, and the first light source is a white light source covered with a color filter.
  • the first light source can be made inexpensive and the heat dissipation can be improved as compared with the case where an LED light source is used. Moreover, the wavelength range of illumination light can be widened.
  • a phosphor light source, an incandescent light source, or the like that excites the phosphor to emit light is assumed.
  • An endoscope apparatus includes the above-described imaging device, and a lens barrel unit that is provided in the imaging device and incorporates a lens optical system.
  • an imaging apparatus an endoscope apparatus, and an imaging apparatus control method according to an embodiment of the present invention will be described with reference to the accompanying drawings.
  • an endoscope system endoscope device to which an imaging device is applied is exemplified.
  • This endoscope system performs color imaging of a subject such as an organ as a lesion by a time sequential imaging method.
  • the endoscope system realizes high-precision color imaging using a HARP film by illumination control and image processing (signal processing).
  • the endoscope system SY includes an endoscope main body 11 that images a subject A, and a signal processing unit (image processing unit) that processes the imaging result of the subject A by the endoscope main body 11. 12 and a monitor 13 for displaying the image-processed imaging result in color.
  • image processing unit image processing unit
  • the endoscope main body 11 includes a lens barrel portion 21 that is inserted into the body, an imaging unit 22 that is connected to the base end of the lens barrel portion 21 and images the subject A via the lens barrel portion 21, and a lens barrel portion.
  • An illumination unit 23 that irradiates the subject A with illumination light via 21 and illuminates the illumination light, and an illumination control unit 24 that controls the illumination unit 23 are provided.
  • the imaging apparatus described in the claims is configured by each unit (the signal processing unit 12, the monitor 13, the imaging unit 22, the illumination unit 23, and the illumination control unit 24) excluding the lens barrel unit 21.
  • the lens barrel portion 21 includes a cylindrical body 31 made of a rigid cylindrical member, and a lens optical system 32 built in the cylindrical body 31.
  • the lens optical system 32 guides the illumination light from the illumination unit 23 to the subject A, guides the reflection from the subject A to the imaging unit 22, and transmits the optical image of the subject A to the imaging surface of the image sensor 51 of the imaging unit 22. Form an image.
  • the illumination unit 23 includes a red light source (first light source) 41 that emits red (R: specific reference color) illumination light, a green light source 42 that emits green (G: non-specific reference color) illumination light, and blue A blue light source 43 that irradiates illumination light of (B: non-specific reference color) and an illumination optical system 44 that guides the illumination light of each of the light sources 41, 42, 43 to the lens barrel portion 21 are provided.
  • the illumination optical system 44 may be configured to guide the illumination light of each of the light sources 41, 42, and 43 coaxially with two half mirrors, for example, or may have a configuration of each of the light sources 41, 42, and 43 with a three-way optical fiber.
  • shaft may be sufficient.
  • the red light source 41 is composed of a white phosphor light source (fluorescent lamp) covered with a color filter. Further, as the red light source 41, a light source whose red illumination light has a wavelength range based on spectral sensitivity characteristics in the human retina is used. Specifically, the red light source 41 emits light in a wavelength region in which yellow and orange are mixed with red. On the other hand, the green light source 42 and the blue light source 43 are configured by LED light sources that are light emitting diodes. As will be described in detail later, during the imaging operation, the red light source 41 continuously emits red illumination light, and the green light source 42 and the blue light source 43 emit green and blue illumination light in pulses to illuminate the subject A. .
  • the imaging unit 22 includes a single image sensor 51 that images the subject A through the lens barrel unit 21 and a sensor control unit 52 that controls the image sensor 51.
  • the image sensor 51 uses a HEED-HARP imaging plate (monochrome imaging plate) composed of a HARP film (photoelectric conversion film) 56 and a cold cathode array (electron source unit) 57 of HEED (High-Efficiency Electron Emission Device) type. .
  • the HARP film 56 receives the reflected light from the subject A on the imaging surface and accumulates the light image as an electric charge (exposure).
  • the cold cathode array 57 is composed of a plurality of cold cathode electron sources arranged in a matrix, reads a light image (image) accumulated on the HARP film 56, and outputs it to the signal processing unit 12 as an imaging signal.
  • red illumination light has extremely low light receiving sensitivity compared to other reference colors (green and blue). Moreover, it can be said that red illumination light has a higher importance in imaging compared to other reference colors for the purpose of imaging the inside of the body.
  • the sensor control unit 52 controls the image sensor 51 to capture three color images corresponding to the number of reference colors (three colors) in cooperation with the illumination control unit 24 in the unit imaging period.
  • the captured three color images are sequentially output to the signal processing unit 12.
  • the signal processing unit 12 processes the imaging signal (color image) from the imaging unit 22 and outputs a component color video signal (color image).
  • the signal processing unit 12 includes a memory 61, and the memory 61 includes a first memory area, a second memory area, and a third memory area that individually store three color images. That is, the signal processing unit 12 generates a color image based on the three color images stored in each memory area.
  • each scanning period in the unit imaging period in the imaging unit 22 is sequentially referred to as a first scanning period, a second scanning period, and a third scanning period
  • each blanking period in the unit imaging period in the imaging unit 22 is referred to as “scanning period”.
  • These are referred to as a first blanking period, a second blanking period, and a third blanking period, respectively.
  • the first blanking period is a blanking period immediately before the first scanning period
  • the second blanking period is a blanking period immediately before the second scanning period
  • the third blanking period is the first blanking period. This is the blanking period immediately before the three scanning periods.
  • the illumination control unit 24 controls the illumination unit 23 to continuously irradiate red illumination light in the unit imaging period (continuous light emission), while in the second blanking period, Illumination light is irradiated (pulse light emission), and blue illumination light is irradiated (pulse light emission) in the third blanking period. That is, red and green illumination lights are simultaneously irradiated in the second blanking period, and red and blue illumination lights are simultaneously irradiated in the third blanking period.
  • the imaging unit 22 captures a red color image composed of only the red color component. Further, in the reading in the second scanning period, a mixed color image in which the red color component and the green color component are mixed is captured. Further, in the readout in the third scanning period, a mixed color image in which the red color component and the blue color component are mixed is captured. The captured color image is output to the signal processing unit 12 as an imaging signal by the imaging unit 22 every time the imaging is performed.
  • the signal processing unit 12 stores the three color images output from the imaging unit 22 in each memory area of the memory 61, and based on the three color images for each frame, the color image is obtained. Generate. Specifically, first, three color images are read from each memory area. Next, a red color image is used to remove a red color component from the mixed color image by matrix calculation, and a green color image composed only of the green color component and a blue color composed only of the blue color component The color image is extracted. When the color image of each reference color is obtained, the color image of each reference color is synthesized to generate a color image.
  • the color image output in the sections t8 to t11 is generated based on three color images captured in the first scanning period t2 to t4, the second scanning period t5 to t7, and the third scanning period t8 to t10. Is done.
  • the color image generated here is output as a component color video signal to the monitor 13 and displayed sequentially.
  • the exposure time does not vary depending on the scanning row because the irradiation is continuously performed over the entire imaging period. (See FIG. 6).
  • the red color component is common to all color images, the red color component can be easily removed from other color images by using the captured red color image. As a result, a color image (color component) of each reference color can be obtained with high accuracy. Therefore, it is possible to obtain a suitable color image while extending the irradiation time of the red illumination light. Therefore, the usable red light source 41 is not extremely limited, and damage to the red light source 41 can be prevented.
  • the emission intensity of the red light source 41 can be reduced, the life of the imaging unit 22 can be extended, and the maximum supply current value of the drive circuit can be reduced, so that the entire system can be simplified. And contributes to lower power consumption. Furthermore, since the peak luminance value for the subject A can be significantly reduced, the optical damage of the subject A can be suppressed, and it can be used for applications where there is a concern about optical damage.
  • red illumination light In addition, it emits light in the wavelength range based on the spectral sensitivity characteristics of the human retina as red illumination light. Specifically, it emits light in the wavelength range that mixes yellow and orange as auxiliary colors. A color image matched to the retina can be obtained. Particularly, in this type of endoscope system SY that images the inside of the body, the importance of red is high. Therefore, by matching the wavelength range of the red illumination light with the spectral sensitivity characteristics of the human retina, a highly accurate color image can be obtained as the endoscope system SY.
  • an endoscope system SY that can obtain a highly accurate image can be provided.
  • the red light source 41 can be made cheaper and heat dissipation can be improved compared to the case where an LED light source is used. be able to. Moreover, the wavelength range of illumination light can be widened.
  • the HEED type cold cathode array 57 is used in the image sensor 51, but a SPINDT type cold cathode array 57 may be used.
  • the cold cathode array 57 reads the optical image on the HARP film 56.
  • an electron gun and a deflection mechanism are used as the electron source unit, and an electron gun is used.
  • the optical image on the HARP film 56 may be read by a deflection mechanism.
  • a HARP-HEED imaging plate is used as the image sensor 51, but a CCD image sensor or a CMOS image sensor may be used as the image sensor 51.
  • blue is used as the specific reference color. That is, in the imaging operation, the blue illumination light is continuously emitted in the unit imaging period, and the red and green illumination lights are respectively emitted in the two blanking periods in the unit imaging period.
  • the reference color having low light receiving sensitivity is set as the specific reference color.
  • the reference color having high importance or the reference color to be used with the light source having low responsiveness is specified. It may be a reference color.
  • the illumination and imaging of the subject A are performed using three reference colors (RGB) of the three primary colors of light.
  • RGB three reference colors
  • the illumination of the subject A using four or more reference colors, A configuration for performing imaging may also be used.
  • the white phosphor light source covered with the color filter is used as the light source of the specific reference color (red light source 41).
  • an incandescent light source covered with the color filter may be used.
  • an LED light source may be used as the light source.
  • the illumination light of the specific reference color (red) is continuously emitted.
  • the specific reference color (red) is used.
  • the illumination light may be configured to emit pulsed light.
  • the illumination light is incident on the lens barrel 21 from the side to illuminate the subject A.
  • the light sources 41, 42, and 43 are arranged around the image sensor 51, and coaxial illumination is performed.
  • the subject A may be illuminated.
  • the present invention is applied to the endoscope system SY of the rigid mirror using the rigid lens barrel portion 21.
  • the endoscope system SY of the flexible mirror using the flexible lens barrel portion 21 is used.
  • the present invention may be applied to.
  • the present invention is applied to the endoscope system SY.
  • the present invention may be applied to an imaging apparatus other than the endoscope.
  • the present invention may be applied to nighttime and deep sea imaging devices and microscope imaging devices.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Multimedia (AREA)
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  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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  • Medical Informatics (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Endoscopes (AREA)
  • Instruments For Viewing The Inside Of Hollow Bodies (AREA)
  • Color Television Image Signal Generators (AREA)

Abstract

La présente invention concerne le problème de l'augmentation de la durée d'exposition pour une lumière d'éclairage ayant une couleur de référence précise et l'obtention d'une image d'une couleur souhaitée. La présente invention est caractérisée par le fait de comprendre une unité d'éclairage (23) qui est capable d'émettre trois couleurs de référence de lumière d'éclairage sur un sujet (A), une unité de commande d'éclairage (24) pour commander l'unité d'éclairage (23), une unité d'imagerie (22) qui capture par séquences de temps trois images en couleur du sujet (A) correspondant aux trois couleurs au cours d'une période d'imagerie de l'unité, et une unité de traitement du signal (12) pour générer une image en couleur sur la base des trois images en couleur capturées, ladite unité de commande d'éclairage (24) provoquant l'émission continue d'une lumière d'éclairage rouge pendant toute la durée de la période d'imagerie de l'unité et l'émission d'une lumière d'éclairage verte et d'une lumière d'éclairage bleue en deux périodes de suppression respectives au cours de la période d'imagerie de l'unité.
PCT/JP2012/005683 2012-09-07 2012-09-07 Dispositif d'imagerie, dispositif d'endoscopie et procédé de commande pour dispositif d'imagerie WO2014037979A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2012/005683 WO2014037979A1 (fr) 2012-09-07 2012-09-07 Dispositif d'imagerie, dispositif d'endoscopie et procédé de commande pour dispositif d'imagerie
JP2014534050A JPWO2014037979A1 (ja) 2012-09-07 2012-09-07 撮像装置、内視鏡装置および撮像装置の制御方法

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PCT/JP2012/005683 WO2014037979A1 (fr) 2012-09-07 2012-09-07 Dispositif d'imagerie, dispositif d'endoscopie et procédé de commande pour dispositif d'imagerie

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Cited By (1)

* Cited by examiner, † Cited by third party
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WO2018163500A1 (fr) * 2017-03-10 2018-09-13 ソニー・オリンパスメディカルソリューションズ株式会社 Dispositif d'endoscope

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Publication number Priority date Publication date Assignee Title
JP2002233501A (ja) * 2001-02-08 2002-08-20 Asahi Optical Co Ltd 電子内視鏡装置
JP2005160590A (ja) * 2003-11-28 2005-06-23 Pentax Corp 電子内視鏡装置
JP2010094153A (ja) * 2008-10-14 2010-04-30 Fujifilm Corp 電子内視鏡システム及び観察画像生成方法
JP2011234844A (ja) * 2010-05-10 2011-11-24 Olympus Corp 制御装置、内視鏡装置及びプログラム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002233501A (ja) * 2001-02-08 2002-08-20 Asahi Optical Co Ltd 電子内視鏡装置
JP2005160590A (ja) * 2003-11-28 2005-06-23 Pentax Corp 電子内視鏡装置
JP2010094153A (ja) * 2008-10-14 2010-04-30 Fujifilm Corp 電子内視鏡システム及び観察画像生成方法
JP2011234844A (ja) * 2010-05-10 2011-11-24 Olympus Corp 制御装置、内視鏡装置及びプログラム

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018163500A1 (fr) * 2017-03-10 2018-09-13 ソニー・オリンパスメディカルソリューションズ株式会社 Dispositif d'endoscope
JPWO2018163500A1 (ja) * 2017-03-10 2020-01-09 ソニー・オリンパスメディカルソリューションズ株式会社 内視鏡装置
US11197603B2 (en) 2017-03-10 2021-12-14 Sony Olympus Medical Solutions Inc. Endoscope apparatus
JP7219208B2 (ja) 2017-03-10 2023-02-07 ソニー・オリンパスメディカルソリューションズ株式会社 内視鏡装置

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