WO2015156442A1 - 3d 비디오 현미경 장치 - Google Patents
3d 비디오 현미경 장치 Download PDFInfo
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- WO2015156442A1 WO2015156442A1 PCT/KR2014/003382 KR2014003382W WO2015156442A1 WO 2015156442 A1 WO2015156442 A1 WO 2015156442A1 KR 2014003382 W KR2014003382 W KR 2014003382W WO 2015156442 A1 WO2015156442 A1 WO 2015156442A1
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- image
- prism
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- lens
- image sensor
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/361—Optical details, e.g. image relay to the camera or image sensor
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/0012—Surgical microscopes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens
- G02B21/20—Binocular arrangements
- G02B21/22—Stereoscopic arrangements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/20—Image signal generators
- H04N13/204—Image signal generators using stereoscopic image cameras
- H04N13/239—Image signal generators using stereoscopic image cameras using two 2D image sensors having a relative position equal to or related to the interocular distance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2213/00—Details of stereoscopic systems
- H04N2213/001—Constructional or mechanical details
Definitions
- the present invention relates to a video microscope device that can be widely used in the medical field and various industrial fields for surgery by expanding a portion that is difficult to see or invisible to the eye through a monitor, and more specifically, to a monitor.
- the subject eg, the affected part of the patient, various mechanical devices, semiconductor elements, etc.
- the present invention relates to a 3D video microscope device capable of easily adjusting chromaticity and magnification of a displayed subject by removing chromatic aberrations.
- a microscope is a device that enlarges a subject.
- an observer took an eye to an eyepiece to see a subject.
- technology advances the display of a subject on a monitor so that the observer can restrain the eye (e.g., eye with an eye).
- Video microscope devices are being released that allow the user to zoom in on the subject without having to act in the presence of the camera.
- the 3D video microscope device according to the present invention is expected to be mainly used in the medical field used for surgery, hereinafter will be described based on the medical field.
- the 3D video microscope device of the present invention can be utilized in various industrial fields.
- a medical surgical microscope is a type of medical device that allows a surgeon to look at a human body that is invisible or difficult to see in a doctor's eye in surgery, ophthalmology, neurosurgery, otolaryngology, spinal surgery and gynecology. to,
- the surgeon proceeds while observing the affected part of the patient, which is taken through a surgical microscope, and the assistant, observer, and caregiver associated with the patient can monitor the affected part and the progress of the patient in the operating room and outside through the monitor. Will be.
- the image displayed by the monitor is simply displayed as a two-dimensional image, it is difficult to accurately observe and confirm the surgical site.
- the surgical microscope apparatus includes an image sensor (eg, CCD, CMOS) for processing an image of an object and an image of the formed object to be displayed on a monitor, a convex lens for forming an image of the object on an image sensor; And a variable displacement lens arranged between the convex lens and the image sensor to adjust the magnification of the subject image.
- an image sensor eg, CCD, CMOS
- the surgical microscope apparatus uses a convex lens to form an image of a subject.
- the convex lens has a convex shape and a refraction property of the image light passing through it, thereby causing the subject to be curved or protruded into the monitor. Is displayed in the shape.
- One simple way to adjust the viewing angle is to adjust the distance between the subject and the lens that allows the subject to form an image sensor inside the microscope.
- the present invention is an invention devised to solve the problem of the surgical microscope device according to the prior art as described above,
- the subject displayed on the monitor is displayed flat without curvature, thus eye fatigue even when staring at the monitor for a long time.
- the prism superimposes two prisms with different refractive indices to provide high quality subject image using a colorless prism without chromatic aberration,
- magnification of the subject itself can be arbitrarily and conveniently adjusted under the microscope by selectively placing the magnification lens on the axis connecting the displacement lens and the image sensor.
- a mottling prism for allowing the input subject image to form an image on the image sensor with chromatic aberration removed;
- variable displacement lenses configured to transfer the image of the subject passing through the chromophoric prism to the image sensor at a predetermined magnification.
- a forward magnification lens selectively disposed on a virtual axis connecting the image sensor and the variable magnification lens to adjust a magnification of a subject formed on the image sensor.
- the molar color prism is characterized in that the forward and backward adjustment is possible.
- the subject is displayed on the image sensor by using a prism rather than a convex lens, the subject displayed on the monitor is flatly displayed without protruding or entering curved, so that dizziness of the eyes is observed even for a long time.
- Disadvantages of prisms that are small and have large chromatic aberrations are solved by using a chromic aberration-free prism with no chromatic aberration by superimposing the first and second prisms with different refractive indices, and when the viewing direction and viewing distance of the affected part through the microscope are changed. It is a very useful invention for the development of the medical industry as a surgical 3D microscope device that can obtain a high quality 3D stereoscopic image by simply moving the prism back and forth to adjust the viewing angle.
- FIG. 1 is a perspective view showing the main part of the surgical 3D microscope device according to the present invention.
- Figure 2 is a block diagram showing a surgical 3D microscope device according to the present invention and an image processing apparatus for processing the image taken here and output to a monitor.
- image sensor 20 molar color prism
- variable lens 40 fixed lens
- the same reference numerals in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same or similar functions, and unless otherwise specified, each member in the figures The member referred to by the reference numeral may be regarded as a member conforming to these criteria.
- the surgical 3D microscope device comprises an image sensor 10, a color matching prism 20, a variable lens 30, a regular lens 40.
- the image sensor 10 generates image data by processing an input image (input in the form of light) of the subject and transmits the generated image data to the main body.
- the main body outputs and displays the image data transmitted from the image sensor 10 to the monitor.
- the image sensor 10 includes a CCD device, a CMOS device, and the like, and the present invention is a microscope for providing a 3D stereoscopic image.
- the image sensor 10 is provided with a pair of left eye images of a subject (illusion) viewed from the left. It receives and processes the right eye image seen from the right side.
- the color prisms 20 transfer an image of an input subject to the image sensor 10 to form an image.
- a convex lens is generally used as an image forming member for forming an image of the subject on the image sensor 10.
- the convex lens has a characteristic of a convex shape, so that the image of the subject displayed on the monitor It is displayed in a curved, protruding (or entering) form unlike the real world, causing dizziness when viewed for a long time.
- the prism has no problem of causing dizziness by allowing the image of the subject to be imaged on the image sensor 10 and displayed on the monitor in a flat and realistic shape without bending.
- prisms have a disadvantage in that chromatic aberration is larger than convex lenses. That is, the prism is an image of an input subject, and the difference in refractive index according to the color (wavelength) of light is generally larger than that of a convex lens, so that the surroundings of the subject displayed on the monitor appear to be iridescent.
- the present invention removes chromatic aberration by using a molten color prism 20 having a first prism 21 and a second prism 22 having different refractive indices.
- the molar color prism 20 has a rear surface of the first prism 21 and a front surface of the second prism 22 having a flat structure, and are in close contact with each other.
- the front surface of the first prism 21 has a left image and a right image of a subject. It has an angled structure protruding from the center to receive each input, and the rear of the second prism 22 is a pair of image sensors, respectively, the left image and the right image of the subject input to both front sides of the first prism 21. It has an angular structure with a concave center in the center for delivery to 10.
- the chromophoric prism 20 has a focal length f suitable for surgery, and the material according to the refractive indices of the first prism 21 and the second prism 22 to remove chromatic aberration while the focal length f is implemented. , Angles ⁇ 1 and ⁇ 2 are determined.
- the miniaturization of the microscope and the ease of internal mounting are enhanced to minimize the volume of the chromic color prism 20 (particularly, the length in the front and rear direction), and the processing of the first prism 21 and the second prism 22 is easy and external. It is preferable to have angles [theta] 1 and [theta] 2 so as not to be easily damaged by an impact.
- the focal length f of the chromophoric prism 20 suitable for surgery is 50 mm to 500 mm, more preferably 200 mm to 400 mm.
- the angle ( ⁇ 1) of the first prism is more preferably between 5 and 40 degrees. Preferably it is 7 degrees-15 degrees, and the angle (theta) 2 of the said 2nd prism is between 3 degrees-10 degrees, More preferably, it is between 4 degrees-8 degrees.
- the chromic prisms 20 can be moved back and forth to adjust the viewing angle of the 3D stereoscopic image.
- the present invention simply adjusts the gaze angle during the operation by advancing the molar prisms 20 through the advancing means (not shown).
- the pair of lens 30 is disposed on both rear sides of the chromophoric prism 20, and enlarges the image of the subject passing through the chromophoric prism 20 at a predetermined magnification and transmits the image to the image sensor 10.
- variable displacement lens 30 is provided with various types of different arrangements, and according to a user's (operator's) operation, a pair of variable displacement lenses 30 having a desired magnification at that time are disposed on both rear sides of the color matching prism 20. do.
- the forward lens 40 is formed in a pair, and is selectively disposed on a virtual axis connecting the pair of variable displacement lenses 30 and the image sensor 10 to form an image on the image sensor 10. Adjust the magnification.
- the image of the subject transferred from the rear lens 30 is magnified (eg; 0.5 times and 2 times) to be transmitted to the image sensor 10, and when placed outside the virtual axis connecting the displacement lens 30 and the image sensor 10 to pass through the displacement lens 30.
- the image of the subject is transferred to the image sensor 10 as it is, and the subject is imaged on the image sensor 10 at a magnification according to the variation lens and displayed on the monitor.
- the forward lens 40 is rotated through a rotation means (not shown) to be disposed on or off the virtual axis connecting the variable displacement lens 30 and the image sensor 10.
- the forward lens 40 is rotated 90 degrees to be disposed on the virtual axis, and is rotated 90 degrees to depart from the virtual axis.
- the magnification may be further adjusted. That is, if two pairs of magnification lenses 40 with different magnifications are provided, the magnification lens 40, another magnification lens 40, and no magnification lens 40 (no magnification lens 40) are provided at intervals of 60 degrees. In this case, the magnification of the subject may be adjusted every time the camera rotates by 60 degrees using the rotation means.
- the chromophoric prism 20 receives an image of a subject 89, which is an object to be photographed, on both sides, and converts the optical paths of the images input to both sides by wavelength to remove chromatic aberration, and a pair of rear pairs arranged behind each other. It is input to the variable displacement lens 30.
- the chromic prisms 20 can be moved back and forth to mechanically adjust the viewing angle of the subject image (that is, the left eye image and the right eye image) input to both sides.
- variable magnification lens 30 enlarges the image of the subject transmitted by the chromophoric prism 20 at a predetermined magnification, and the double magnification lens 40 once again enlarges the image of the subject delivered from the variable magnification lens 30 at the normal magnification. Zoom in (or zoom out)
- the focus lens 92 disposed behind the rear lens 40 adjusts the focus of the subject image by moving forward or backward along the light path in the barrel 93.
- the image sensor 10 receives an image of an object passing through the focus lens 92 to form an image, and converts optical data into image data as an image of the input object.
- the image data of the image sensor 10 is transmitted to the converter 95, and the converter 95 performs a format conversion of an appropriate image so as to facilitate the preprocessing of the input image data.
- the image data converted from the format of the converter 95 is transferred to the preprocessor 96 to be preprocessed into a space and a time axis to enable memory and processing.
- the image data preprocessed by the preprocessor 96 is transmitted to the ISP 97 to adjust the color and brightness of the image.
- the image data whose color, brightness, etc. are adjusted by the ISP unit 97 is transmitted to the viewing angle adjusting unit 98 to adjust the viewing angle by adjusting the center and distance of the left eye image data and the right eye image data.
- the left and right eye image data whose angle of view is adjusted through the angle adjusting unit 98 is output to the monitor 104 having a muxing function through the transmitters 101 and 102 so that the monitor 104 is synthesized and displayed as a stereoscopic image.
- the image may be transmitted to the synthesis unit 99, synthesized, and then output to the monitors 105 and 106 to be displayed as a stereoscopic image.
- the left and right eye image data of which the viewing angle is adjusted through the viewing angle adjusting unit 98 is transmitted to the left and right monitors of an HMD device (eg, a 3D glasses or a headset provided with a monitor), and thus the wearer of the HMD device.
- the left eye and the right eye may display the left eye image and the right eye image so that the wearer's left and right eyes directly feel the 3D image.
- reference numeral '107' denotes a controller which controls the 3D video microscope apparatus and the image processing apparatus as a whole through power management, light source control, command signal processing, etc.
- '108' is a user interface
- '109' Are external input devices such as handswitch and footswitch.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Multimedia (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Microscoopes, Condenser (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
Description
Claims (4)
- 한 쌍의 이미지센서;입력되는 피사체 이미지가 색수차가 제거된 상태로 상기 이미지센서에 결상되도록 하는 몰색프리즘;상기 몰색프리즘을 통과한 피사체의 이미지를 일정 배율로 상기 이미지센서로 전달하는 한 쌍의 변배렌즈;를 포함하여 이루어지는 3D 비디오 현미경 장치.
- 제 1 항에 있어서,상기 이미지센서와 변배렌즈를 연결하는 가상축 상에 선택적으로 배치되어서, 상기 이미지센서에 결상되는 피사체의 배율을 조절하는 정배렌즈;를 더 포함하는 것을 특징으로 하는 3D 비디오 현미경 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 몰색프리즘은 전후진하여 주시각 조정이 가능한 것을 특징으로 하는 3D 비디오 현미경 장치.
- 제 1 항 또는 제 2 항에 있어서,상기 몰색프리즘은전면은 피사체의 좌측이미지와 우측이미지를 각각 입력받을 수 있도록 중앙이 돌출된 각이진 구조를 갖는 제1프리즘과,상기 제1프리즘의 후면에 전면이 밀착되도록 포개져 결합되고, 후면은 상기 제1프리즘의 전면 양측으로 입력된 피사체의 좌측이미지와 우측이미지를 각각 한 쌍의 이미지센서로 전달하도록 중앙이 오목한 각이진 구조를 갖는 제2프리즘을 포함하되,상기 몰색프리즘의 초점거리(f)는 200mm~400mm 이고,상기 제1프리즘의 각도(θ1)는 7도~15도 이고,상기 제2프리즘의 각도(θ2)는 4도~8도 인 것을 특징으로 하는 3D 비디오 현미경 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480057159.5A CN105659139A (zh) | 2014-04-07 | 2014-04-18 | 3d视频显微镜 |
US14/785,097 US9835841B2 (en) | 2014-04-07 | 2014-04-18 | 3D video microscopy system |
JP2016559416A JP2017509925A (ja) | 2014-04-07 | 2014-04-18 | 3dビデオ顕微鏡装置 |
EP14889176.5A EP3067730A4 (en) | 2014-04-07 | 2014-04-18 | 3d video microscope device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2014-0041445 | 2014-04-07 | ||
KR20140041445A KR101476820B1 (ko) | 2014-04-07 | 2014-04-07 | 3d 비디오 현미경 장치 |
Publications (1)
Publication Number | Publication Date |
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WO2015156442A1 true WO2015156442A1 (ko) | 2015-10-15 |
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Family Applications (1)
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PCT/KR2014/003382 WO2015156442A1 (ko) | 2014-04-07 | 2014-04-18 | 3d 비디오 현미경 장치 |
Country Status (6)
Country | Link |
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US (1) | US9835841B2 (ko) |
EP (1) | EP3067730A4 (ko) |
JP (1) | JP2017509925A (ko) |
KR (1) | KR101476820B1 (ko) |
CN (1) | CN105659139A (ko) |
WO (1) | WO2015156442A1 (ko) |
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KR101608404B1 (ko) | 2015-12-24 | 2016-04-01 | 주식회사 연시스템즈 | 입체 이미지를 촬영하기 위한 단안식 현미경 |
KR20170076517A (ko) | 2015-12-24 | 2017-07-04 | 주식회사 연시스템즈 | 단안식 입체 카메라 |
KR101654589B1 (ko) * | 2015-12-28 | 2016-09-07 | (주)휴러스트 | 초점 및 물체 거리 자동 변환 기능을 구비한 3차원 입체 영상 기반의 의료 현미경 시스템 |
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CN107907987A (zh) * | 2017-12-26 | 2018-04-13 | 深圳科创广泰技术有限公司 | 基于混合现实的3d显微镜 |
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- 2014-04-07 KR KR20140041445A patent/KR101476820B1/ko active IP Right Grant
- 2014-04-18 JP JP2016559416A patent/JP2017509925A/ja active Pending
- 2014-04-18 WO PCT/KR2014/003382 patent/WO2015156442A1/ko active Application Filing
- 2014-04-18 US US14/785,097 patent/US9835841B2/en active Active
- 2014-04-18 EP EP14889176.5A patent/EP3067730A4/en not_active Withdrawn
- 2014-04-18 CN CN201480057159.5A patent/CN105659139A/zh active Pending
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Also Published As
Publication number | Publication date |
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US20170045727A1 (en) | 2017-02-16 |
EP3067730A4 (en) | 2017-06-21 |
JP2017509925A (ja) | 2017-04-06 |
KR101476820B1 (ko) | 2014-12-29 |
US9835841B2 (en) | 2017-12-05 |
EP3067730A1 (en) | 2016-09-14 |
CN105659139A (zh) | 2016-06-08 |
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