WO2020084784A1 - Dispositif de traitement d'image et système d'endoscope - Google Patents

Dispositif de traitement d'image et système d'endoscope Download PDF

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Publication number
WO2020084784A1
WO2020084784A1 PCT/JP2018/039955 JP2018039955W WO2020084784A1 WO 2020084784 A1 WO2020084784 A1 WO 2020084784A1 JP 2018039955 W JP2018039955 W JP 2018039955W WO 2020084784 A1 WO2020084784 A1 WO 2020084784A1
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WIPO (PCT)
Prior art keywords
image
correction data
endoscope
circuit
cutout
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PCT/JP2018/039955
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English (en)
Japanese (ja)
Inventor
薫 古藤田
浩一 志田
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オリンパス株式会社
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Priority to PCT/JP2018/039955 priority Critical patent/WO2020084784A1/fr
Publication of WO2020084784A1 publication Critical patent/WO2020084784A1/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
    • 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

Definitions

  • the present invention relates to an image processing apparatus and an endoscope system, and more particularly to an image processing apparatus and an endoscope system that reads flaw correction data of an image sensor stored in an endoscope and corrects an endoscopic image.
  • An endoscope system including an endoscope that captures a subject inside a subject and an image processing device that generates an observation image of the subject captured by the endoscope is widely used in medical fields and industrial fields. It is used.
  • an endoscope that individually stores information such as correction data for various types of corrections such as a scratch correction for an image pickup element to be mounted, and an image that connects the endoscopes BACKGROUND OF THE INVENTION Endoscopic systems including processing devices (video processors) have become known.
  • the image processing apparatus (video processor) that connects the endoscope reads the information (scratch correction data, etc.) stored in the endoscope when the endoscope is connected, and the scratch correction data is read. According to the above, various corrections of the entire image are performed.
  • the video processor receives all correction data stored in the connected endoscope, holds the correction data in the video processor, and based on the total correction data, the endoscope receives the correction data. The correction processing of the entire image was performed.
  • a pixel shift of an image pickup signal due to eccentricity of an image pickup optical system or a so-called 3D endoscope system using a plurality of image pickup elements (for example, a 3D image pickup system or a prism
  • 3D endoscope system using an image pickup system such as a 3CCD in which an image is separated and received by two or more image pickup elements
  • a technique for electrically correcting a positional deviation between the image pickup elements is known.
  • an endoscope system using such a “cutout function” when performing the scratch correction of the image pickup device as described above, it is effective to correct only the cutout area for the scratch correction.
  • the video processor side holds all correction data stored in the endoscope and performs correction processing of the entire endoscopic image. Inevitability and cost increase.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide an image processing apparatus and an endoscope system capable of preventing an increase in the amount of data and circuit size for correcting a flaw in an image sensor. To aim.
  • An image processing apparatus is based on a unique information reading unit that reads predetermined unique information related to the endoscope stored in the endoscope, and based on the unique information read by the unique information reading unit.
  • An image cutout position calculation unit for calculating cutout position coordinates of an image; a correction data extraction unit for extracting correction data in an area corresponding to the cutout position coordinates calculated by the image cutout position calculation unit;
  • a correction data recalculation unit that recalculates the correction data extracted by the correction data extraction unit based on the cutout position coordinates, and the image cutout position for the endoscopic image received from the endoscope.
  • the image cutout circuit that cuts out the region corresponding to the cutout position coordinates calculated by the calculation unit and the region cut out by the image cutout circuit are recalculated by the correction data recalculation unit.
  • the endoscope system is the image processing device, is capable of receiving predetermined specific information regarding a predetermined endoscope from an external device, and when receiving the specific information. Further comprising a control unit for instructing the image cut-out position calculation unit to change the cut-out position coordinates of the image based on the unique information, wherein the control unit sets the unique information in the predetermined range.
  • An image processing device for transmitting to the endoscope, and an endoscope having a storage unit for storing the unique information transmitted from the control unit.
  • FIG. 1 is a block diagram showing the configuration of an endoscope system including an image processing apparatus according to the first embodiment of the present invention.
  • FIG. 2 is a block diagram showing a configuration of an endoscope system including the image processing apparatus according to the first embodiment, showing a configuration when receiving unique information from an external device and transmitting it to the endoscope.
  • FIG. 3 is a flowchart showing the rearrangement action of the scratch correction data for the 2D endoscopic image and the 3D endoscopic image in the image processing apparatus of the first embodiment.
  • FIG. 4 is an explanatory diagram showing how the image cutout position is changed and the scratch correction data is rearranged in the image processing apparatus according to the first embodiment.
  • FIG. 1 is a block diagram showing the configuration of an endoscope system including an image processing apparatus according to the first embodiment of the present invention.
  • an endoscope system 1 including an image processing apparatus includes an endoscope 2 that observes a subject and outputs a predetermined imaging signal (this embodiment will be described later).
  • the endoscope 2 is assumed to be a so-called stereoscopic endoscope (3D endoscope) or a normal endoscope) and image processing of the present embodiment that enables the endoscope 2 to be connected.
  • An endoscope processor 3 (hereinafter also referred to as a video processor 3) that is a device, a light source device (not shown) that supplies illumination light for illuminating a subject, and observation according to image data output from the video processor 3. It has a monitor 5 for displaying an image and a recording medium 6 for recording the image data output from the video processor 3.
  • the endoscope 2 according to the present embodiment is a so-called stereoscopic endoscope (hereinafter referred to as a 3D endoscope) that generates a stereoscopic image using two captured images having parallax. ) And an ordinary endoscope that uses only one captured image (for convenience, referred to as a 2D endoscope).
  • a 3D endoscope stereoscopic endoscope
  • an ordinary endoscope that uses only one captured image for convenience, referred to as a 2D endoscope.
  • the 3D endoscope includes a known insertion part that is inserted into the body cavity of the subject, and a pair of left and right imaging optical systems is provided at the tip of the insertion part. Further, at the image forming position of these image pickup optical systems, an image pickup section including an image pickup element 22 for receiving a pair of left and right images is provided. The image pickup unit outputs an image pickup signal for two picked-up images having parallax.
  • the image pickup device 22 is composed of, for example, one CMOS image sensor.
  • the light receiving unit of the image pickup device 22 has photodiodes that are a plurality of photoelectric conversion units that photoelectrically convert light according to incident light to generate signal charges, and based on the signal charges generated by the photoelectric conversion units. It has a plurality of pixels for generating and outputting an image pickup signal.
  • the image pickup device 22 in the 3D endoscope is arranged at the image forming positions of the above-mentioned pair of image pickup optical systems, and a pair of left and right subject images are formed on the image pickup surface of one image pickup device. It is like this. Then, the light incident on each pixel corresponding to the left and right images is photoelectrically converted by the photoelectric conversion unit and a predetermined image pickup signal is output.
  • the 2D endoscope is also provided with a known insertion portion or the like that is also inserted into the body cavity of the subject, and the distal end of the insertion portion is provided with a single-system imaging optical system.
  • An image pickup section including an image pickup element 22 and the like is arranged at the image position.
  • an image pickup signal relating to one picked-up image is output from this image pickup unit.
  • the endoscope 2 is provided on the proximal end side of the insertion portion in addition to the elongated insertion portion to be inserted into the body cavity of the subject as described above, and is operated by the operator for grasping and operating. It is configured to have a mirror operating section and a universal cord having one end provided so as to extend from a side portion of the endoscope operating section.
  • a connector portion connected to the light source device is provided on the proximal end side of the universal cord in the endoscope 2, and the endoscope CPU 21 for controlling various circuits in the endoscope is provided in the connector portion. It is arranged.
  • the endoscope CPU 21 is formed of, for example, an FPGA (field-programmable gate array).
  • an eccentricity amount storage section 23 that is controlled by the endoscope CPU 21 and stores eccentricity amount information of the image pickup optical system in the endoscope 2, and scratch correction data information related to the image pickup element 22 are provided. And a scratch correction data storage unit 24 to be stored.
  • the endoscope 2 stores the eccentricity amount information related to the endoscope image as the unique information of the endoscope 2, and further, as the unique information of the endoscope 2, the flaw correction in the endoscope image is performed. It has the function of storing data information.
  • eccentricity amount storage unit 23 and the flaw correction data storage unit 24 described above may be configured as one memory, for example, an ID memory that stores endoscope identification information of the endoscope 2.
  • the “cutout function” is used to specify the coordinate position of the shifted pixel and selectively read only the pixel corresponding to the coordinate position. to correct.
  • the “pixel shift” of the image pickup signal caused by the eccentricity of the image pickup optical system is inspected, that is, the degree of the pixel shift is
  • the detected eccentricity information is stored in the eccentricity amount storage unit 23 as the eccentricity amount information of the image pickup optical system.
  • the flaw correction data storage unit 24 is configured to store the flaw correction data information related to the image pickup device 22.
  • the information regarding the “pixel shift” of the image pickup signal caused by the eccentricity of the image pickup optical system is stored in the storage unit (eccentricity amount storage unit 23) inside the endoscope. However, it may be stored in an external server or the like.
  • the video processor 3 can connect the endoscope 2 of either the 3D endoscope or the 2D endoscope, and inputs the image pickup signal output from these endoscopes 2 to perform predetermined image processing. It has a function of applying and outputting.
  • the video processor 3 when any of the endoscopes 2 is connected, inputs an image pickup signal from the endoscope 2 and performs predetermined image processing, and the image processing unit 30.
  • the control unit 31 controls each circuit in the video processor 3.
  • the image processing unit 30 includes a scope I / F 57 that transmits and receives predetermined data to and from the endoscope 2 connected to the video processor 3, and unique information (information such as an eccentricity amount) related to the endoscope 2.
  • a processor-side CPU 51 that calculates the cut-out position coordinates of the image based on the image data, and a correction-data extraction circuit 52 that extracts and recalculates the correction data in the area corresponding to the cut-out position coordinates calculated by the processor-side CPU 51. Have.
  • the image processing unit 30 cuts out an area corresponding to the cut-out position coordinates calculated by the processor-side CPU 51 from the endoscopic image received from the endoscope 2, an image cut-out circuit (first image cut-out circuit). 53, a second image cutout circuit 55) and a correction circuit (first scratch) for correcting the region cut out in the image cutout circuit in accordance with the correction data recalculated in the correction data extraction circuit 52.
  • the correction circuit 54 and the second flaw correction circuit 56 ).
  • the processor-side CPU 51 relates to the endoscopic image stored in the eccentricity storage unit 23 of the endoscope 2 via the scope I / F 57 when the endoscope 2 is connected to the video processor 3.
  • the eccentricity amount information can be read.
  • the processor-side CPU 51 together with the scope I / F 57, functions as a unique information reading unit that reads eccentricity amount information as unique information.
  • the processor-side CPU 51 further includes a cutout position calculation circuit 51a.
  • the cut-out position calculation circuit 51a generates an image based on the eccentricity amount information related to the endoscopic image read by the processor-side CPU 51 (in this case, the processor-side CPU 51 that functions as the unique information reading unit). Calculate the cutting position coordinates.
  • the cut-out position calculation circuit 51a sends the calculated cut-out position coordinates to the correction data extraction circuit 52 in the subsequent stage, and also cuts out the cut-out position coordinates in the first image cut-out circuit 53 and / or the second image cut-out circuit 53.
  • the image is output to the image cutout circuit 55.
  • the first image cutout circuit 53 and the second image cutout circuit 55 correspond to the cutout position coordinates calculated by the processor-side CPU 51 with respect to the endoscopic image received from the endoscope 2.
  • the cutout position calculation circuit 51a in the video processor 3 of the present embodiment has a plurality of cutouts corresponding to the left and right images. The coordinates related to the position can be calculated.
  • the first image cutout circuit 53 calculates the cutout position calculation circuit 51a.
  • the left image area is cut out in accordance with the cutout position related to the left image area.
  • the second image cutout circuit 55 is for the right side calculated by the cutout position calculation circuit 51a.
  • the right image area is cut out according to the cutout position related to the image area.
  • the correction data extraction circuit 52 when the endoscope 2 is connected to the video processor 3, the scratch correction data relating to the endoscopic image stored in the scratch correction data storage unit 24 of the endoscope 2. Information can be read.
  • the correction data extraction circuit 52 functions as a unique information reading unit that reads out flaw correction data information as unique information.
  • the correction data extraction circuit 52 can read the flaw correction data information relating to the endoscope 2 connected as described above, but in the present embodiment, the correction data extraction circuit 52 uses the cutout position calculation circuit 51a. It has a function of extracting the scratch correction data in the area corresponding to the cut-out position coordinates calculated in step S3.
  • the correction data extraction circuit 52 has a function of recalculating the scratch correction data in the target area according to the coordinates of the cutout position calculated by the cutout position calculation circuit 51a. Then, the correction data extraction circuit 52 sends the recalculated flaw correction data, that is, the coordinate-transformed flaw correction data to the first flaw correction circuit 54 and / or the second flaw correction circuit 56. There is.
  • the first flaw correction circuit 54 and the second flaw correction circuit 56 correspond to the correction data recalculated in the correction data extraction circuit 52, that is, the flaw correction data after the cutting position coordinates are changed from the correction data extraction circuit 52. It is a correction circuit for performing the correction.
  • the cutout position calculation circuit 51a in the video processor 3 causes the cutout position calculation circuit 51a to detect a plurality of cutouts corresponding to the left and right images.
  • the coordinates relating to the extraction position are calculated, and the respective calculation results are output.
  • the correction data extraction circuit 52 that receives them calculates the left and right corresponding to the left and right cutting position coordinates calculated in the cutting position calculation circuit 51a.
  • the correction data in each area is extracted.
  • the correction data extraction circuit 52 outputs the correction data of the left and right images extracted by the correction data extraction circuit 52 to the left and right images. Recalculation is performed based on the cut-out position coordinates of.
  • the first flaw correction circuit 54 further relates to the left image area calculated by the cut-out position calculation circuit 51a.
  • the correction data extracting circuit 52 performs correction corresponding to the recalculated scratch correction data according to the output position, and sends the corrected image data to the monitor 5 or the recording medium 6.
  • the second flaw correction circuit 56 similarly calculates the right image calculated by the cutout position calculation circuit 51a.
  • a correction corresponding to the flaw correction data recalculated in the correction data extraction circuit 52 is performed according to the cutout position related to the area, and the corrected image data is sent to the monitor 5 or the recording medium 6.
  • the video processor 3 has a control unit 31 as shown in FIGS.
  • the control unit 31 has a function of controlling each circuit in the video processor 3 in addition to the image processing unit 30.
  • an external device for example, an external PC 71 to be described later
  • the external PC 71 outputs predetermined specific information regarding a predetermined endoscope.
  • it is receivable and has received the unique information, it also has a function of instructing the cutout position calculation circuit 51a to change the cutout position coordinates of the image based on the unique information.
  • FIG. 2 is a block diagram showing a configuration of an endoscope system including the image processing apparatus according to the first embodiment, showing a configuration when receiving unique information from an external device and transmitting it to the endoscope.
  • FIG. 2 is a block diagram showing a configuration of an endoscope system including the image processing apparatus according to the first embodiment, showing a configuration when receiving unique information from an external device and transmitting it to the endoscope.
  • the video processor 3 in the endoscope system 1 includes a control unit 31 that performs control of receiving unique information from an external PC (personal computer) 71 and transmitting the unique information to the endoscope 2.
  • a control unit 31 that performs control of receiving unique information from an external PC (personal computer) 71 and transmitting the unique information to the endoscope 2.
  • information unique to each endoscope 2 is previously stored in an external device ( It is stored in the external PC 71).
  • the external PC 71 When adjusting the factory of the endoscope 2, first, the external PC 71 is connected to the external PC interface of the video processor 3 set to the jig mode, and is controlled by the external PC 71 or a control unit in the video processor 3. Under the control of 31, the unique information related to the endoscope 2 stored in the external PC 71 (for example, the eccentricity amount information and the flaw correction data information regarding the endoscope 2, which are separately acquired) is processed by the processor side of the video processor 3. The process moves to the CPU 51.
  • the endoscope 2 is connected to the scope I / F 57 of the video processor 3, and under the control of the control unit 31, the unique information (eccentricity amount information, flaw correction data information, etc.) relating to the endoscope 2 that has moved to the processor-side CPU 51. ) Is written in the eccentricity amount storage unit 23 or the flaw correction data storage unit 24 in the endoscope 2.
  • the unique information (eccentricity amount information, flaw correction data information, etc.) related to the endoscope 2 is stored in a predetermined storage unit of the endoscope 2.
  • the video processor 3 set to the jig mode at the time of factory adjustment of the endoscope is connected to the external PC 71, and the unique information about the endoscope 2 stored in the external PC. Is temporarily transferred to the video processor 3 as a jig, and further, this unique information is transferred from the video processor 3 to the endoscope 2 and is written in the storage unit of the endoscope 2. Not limited to this, the same writing process may be performed using a predetermined jig other than the video processor 3.
  • the service person uses the video processor 3 or the predetermined jig set in the jig mode as described above, and the same unique information as described above. It is also possible to perform a writing process.
  • the processor-side CPU 51 of the image processing unit 30 causes the scratch correction data storage unit 24 of the endoscope 2 to operate.
  • the stored information on the flaw correction data relating to the endoscope 2 is read out.
  • the processor-side CPU 51 further reads the information on the eccentricity amount related to the endoscope 2 stored in the eccentricity amount storage unit 23.
  • the processor-side CPU 51 calculates the cut-out position coordinates of the image based on the eccentricity amount information read from the endoscope 2 by the cut-out position calculation circuit 51a in the processor-side CPU 51, and calculates the calculated cut-out position coordinates. , To the correction data extraction circuit 52 in the subsequent stage.
  • cutout position calculation circuit 51a sends the calculated cutout position coordinates to the first image cutout circuit 53 and / or the second image cutout circuit 55.
  • the correction data extraction circuit 52 in the image processing unit 30 converts the endoscopic image stored in the flaw correction data storage unit 24 of the endoscope 2 into the endoscopic image.
  • the flaw correction data information is read out.
  • correction data extraction circuit 52 extracts the flaw correction data in the area corresponding to the cut-out position coordinates calculated by the cut-out position calculation circuit 51a, and further, the flaw in the target area according to the cut-out position coordinates. Recalculation of correction data, that is, coordinate conversion is performed.
  • the correction data extraction circuit 52 sends the recalculated flaw correction data, that is, the coordinate-transformed flaw correction data to the first flaw correction circuit 54 and / or the second flaw correction circuit 56.
  • the correction data extraction circuit 52 converts, for example, the scratch correction data relating to the first scratch correction circuit 54 into a coordinate position in consideration of the cutout position in the first image cutout circuit 53. Then, the coordinate-transformed flaw correction data is distributed to the first flaw correction circuit 54.
  • the correction data extraction circuit 52 converts the scratch correction data related to the second scratch correction circuit 56 into a coordinate position in consideration of the cut-out position in the second image cut-out circuit 55, and the coordinate-corrected scratch correction is performed. The data is distributed to the second flaw correction circuit 56.
  • the correction data extraction circuit 52 rearranges the pixels so that the image processing circuit in the subsequent stage can easily process the pixels.
  • the endoscope 2 connected to the video processor 3 is a 3D endoscope as described above, in the case of two-screen scratch correction data, the raster scan order of the scratch correction data is rearranged.
  • FIG. 3 is a flow chart showing the rearrangement action of the flaw correction data for the 2D endoscopic image and the 3D endoscopic image in the image processing apparatus of the first embodiment, and FIG. 4 of the first embodiment.
  • FIG. 8 is an explanatory diagram showing a state of changing the cutout position of images and rearranging the scratch correction data in the image processing apparatus.
  • the correction data extraction circuit 52 in the video processor 3 firstly, in the raster scan order, the scratch correction data related to the left image processing area corresponding to the cutout position in the first image cutout circuit 53. (Left scratch correction data) is read (step S1).
  • step S2 when the endoscope 2 connected to the video processor 3 is the two-screen 3D endoscope as described above (step S2), it corresponds to the cutout position in the second image cutout circuit 53.
  • the flaw correction data (right flaw correction data) relating to the right image processing area is read (step S3).
  • the correction data extraction circuit 52 compares the Y coordinates on the screen (step S4), When the Y coordinate in the left flaw correction data ⁇ the Y coordinate in the right flaw correction data image, the left flaw correction data is output to the first flaw correction circuit 54 (step S5). At this time, unused data in the left image processing area is discarded (see FIG. 4).
  • the correction data extraction circuit 52 requests the left scratch correction data again (step S6), returns to step S1, and again, in raster scan order, acquires the scratch correction data (left scratch correction data) related to the left image processing area. Read out (step S1).
  • the correction data extraction circuit 52 outputs the right flaw correction data to the second flaw correction circuit 56 (step S7). ). At this time, unused data in the right image processing area is discarded (see FIG. 4).
  • the correction data extraction circuit 52 requests the right scratch correction data again (step S8), returns to step S1, and again, in raster scan order, acquires the scratch correction data (left scratch correction data) relating to the left image processing area. Read out (step S1).
  • step S2 when the endoscope 2 connected to the video processor 3 is a so-called 1-screen 2D endoscope, it is not necessary to compare left and right images, and the first flaw correction circuit 54 is left scratched.
  • the correction data (for convenience, referred to as left scratch correction data, which is the scratch correction data of the region corresponding to the cut position in the first image cutout circuit 53) is output, and again in the first image cutout circuit 53. Requesting the scratch correction data of the area corresponding to the cutout position (step S6), the process returns to step S1.
  • the external PC 71 is connected to the external PC interface of the video processor 3, and under the control of the control unit 31, the unique information (eccentricity) related to the endoscope 2 stored in the external PC 71 is stored. Quantity information, flaw correction data information, etc.) is transferred to the processor side CPU 51 in the video processor 3.
  • control unit 31 transmits an eccentricity amount calculation instruction, that is, a cutout position change instruction to the processor side CPU 51 (cutout position calculation circuit 51a).
  • processor side CPU 51 cutout position calculation circuit 51a
  • the processor-side CPU 51 recalculates the cutout position, and sends new cutout position coordinate information to the correction data extraction circuit 52. Since the subsequent operation is as described above, the description here is omitted.
  • the image processing apparatus of this embodiment it is possible to prevent an increase in the amount of data and the circuit scale for correcting the scratches on the image sensor.

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Abstract

La présente invention concerne : un circuit de calcul de position de découpe (51a) pour calculer une coordonnée d'une position de découpe d'une image sur la base d'une information de quantité d'excentricité lue à partir d'une unité de stockage de quantité d'excentricité (23) d'un endoscope (2) ; un circuit d'extraction de données de correction (52) pour extraire les données de correction pour une région correspondant à la coordonnée de position de découpe calculée par le circuit de calcul de position de découpe (51a), et l'exécution d'un nouveau calcul sur la base de la coordonnée de position de découpe ; les circuits de découpe d'image (un premier circuit de découpe d'image (53) et un second circuit de découpe d'image (55)) pour couper une région correspondant à la coordonnée de position de découpe calculée par le circuit d'extraction de données de correction (52) à partir d'une image d'endoscope reçue à partir de l'endoscope (2) ; et des circuits de correction (un premier circuit de correction de point (54) et un second circuit de correction de point (56)) pour corriger la région coupée par les circuits de découpe d'image d'une manière correspondant aux données de correction recalculées par le circuit d'extraction de données de correction (52).
PCT/JP2018/039955 2018-10-26 2018-10-26 Dispositif de traitement d'image et système d'endoscope WO2020084784A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005074788A1 (fr) * 2004-02-04 2005-08-18 Olympus Corporation Dispositif de traitement de signaux pour endoscope
WO2016059983A1 (fr) * 2014-10-14 2016-04-21 オリンパス株式会社 Système de capture d'image
WO2016072490A1 (fr) * 2014-11-07 2016-05-12 オリンパス株式会社 Système d'imagerie
WO2017168785A1 (fr) * 2016-03-30 2017-10-05 オリンパス株式会社 Endoscope
WO2018003216A1 (fr) * 2016-06-29 2018-01-04 オリンパス株式会社 Endoscope

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005074788A1 (fr) * 2004-02-04 2005-08-18 Olympus Corporation Dispositif de traitement de signaux pour endoscope
WO2016059983A1 (fr) * 2014-10-14 2016-04-21 オリンパス株式会社 Système de capture d'image
WO2016072490A1 (fr) * 2014-11-07 2016-05-12 オリンパス株式会社 Système d'imagerie
WO2017168785A1 (fr) * 2016-03-30 2017-10-05 オリンパス株式会社 Endoscope
WO2018003216A1 (fr) * 2016-06-29 2018-01-04 オリンパス株式会社 Endoscope

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