CN102566027A - Three-dimensional imaging optical assembly and digital three-dimensional microscope system based on single objective lens - Google Patents
Three-dimensional imaging optical assembly and digital three-dimensional microscope system based on single objective lens Download PDFInfo
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Abstract
The invention discloses a digital three-dimensional microscope system based on a single objective lens. The digital three-dimensional microscope system comprises a three-dimensional imaging optical assembly, a three-dimensional image digital module and a three-dimensional image output and display module. An image of the three-dimensional imaging optical assembly is processed by the three-dimensional image digital module and then is displayed by the three-dimensional image output and display module. The digital three-dimensional microscope system disclosed by the invention has the advantages as follows: by combining a digital three-dimensional (3D) imaging technology with a digital three-dimensional microscope technology, the microscopied three-dimensional image is used as a human-machine interface in manners such as a binocular eyepiece, a three-dimensional liquid crystal display, a large-screen three-dimensional projection system and a head-mounted three-dimensional display device; with regard to an object to be observed with different depths, the binocular image always has a three-dimensional image pair with a parallax error in an allowed range. Therefore, an ideal three-dimensional image can be always displayed on the three-dimensional liquid crystal display.
Description
[technical field]
The present invention relates to the stereo microscope field, be specially a kind of three-dimensional imaging optical module of single object lens double light path parallax numeral 3 D stereo (3D) micro-imaging and demonstration that adopts and reach digital three-dimensional stereomicroscopy system based on single object lens.
[background technology]
Stereo microscope is that it can form the small items of being observed and amplify and upright three-dimensional space image by the common combination of the lens of difference in functionality and microscope basic machine.Observing aspects such as small items that eyes unable directly sees and object microstructure, stereo microscope has the irreplaceable effect of other any microscope equipment.And, up to now, be human knowledge and one of main means of handling microworld always.
But traditional stereo microscope comes image output with a pair of eyepiece, in order to watch stereopsis clearly, requires the pupil of beholder's binocular to overlap with the emergent pupil of microscope ocular.This just makes beholder's position receive serious limit, and beholder's eyes and human body are very easy to tired.Therefore long-term user suffers from the disease of aspects such as cervical vertebra, lumbar vertebrae extremely easily owing to be in same static position state for a long time.For this reason, countries in the world researcher and stereo microscope manufacturer are devoted to the microscopical research and development of novel solid always, and purpose is to design the stereo microscope that ergonomic requires, thereby eliminate long-time vision and the physical fatigue that causes of observing.
In the China of the nineties in 20th century and in other world wide at the end of the eighties; Microscopical research and manufacturer are that microscopic system has increased by a cover television pick-up equipment; By ccd video camera micro-image is shown on the display on plane or monitor, solved some problems to a certain extent.But, because the micro-image that this mode can only display plane, so only can't watch micro-stereo-picture from display or televisor.Therefore, can only still can't operate small items, finally also must watch and handle micro-object with binocular eyepiece as the usefulness of watching or watching the search of scope qualitatively roughly to microscopic objects through watching television image.
The man-machine interface that thoroughly solves microscopic system is the direction of countries in the world correlative study person and manufacturer's effort always.Got into since 21 century, in west advanced person's the optical instrument manufacturing enterprise, minority enterprise has adopted the stereo-picture technology, and hope can fundamentally solve the problem of the ergonomics aspect of stereomicroscope existence.In western developed country, the world-renowned optical instrument enterprise of minority successively releases the microscope equipment that some have novel man-machine interface.The Vision company of Britain adopts visual field expansion technique (Expand pupil) to develop the stereomicroscope of ocular glass free; Enlarge the operating distance of microscope emergent pupil; The beholder can freely be watched in certain scope; Thereby eliminated visual fatigue to a certain extent, made operator's head and trunk activity freely.
Adopt various feasible technology, make stereomicroscope in use, beholder's eyes are broken away from the constraint of eyepiece, and this is the inevitable development trend of stereoscopic microtechnic in digital times.Traditional stereomicroscope has obtained in fields such as biology, medical science, mineral products, public security, procuratorial work using widely at present, develops the digital stereoscopic microscopic system of the stereoscopic micro-notion that breaks traditions, and will bring revolutionary impact to each related application field; Simultaneously, because it has broken through the man-computer mode and the observing effect of existing stereomicroscope, also will expand the application and the scope of this product effectively, its market outlook are self-evident, have good social benefit and economic benefit.
Yet there is limitation in the existing microscope stereopsis microtechnic that realizes, and not mature enough, implements also very difficulty.
[summary of the invention]
The objective of the invention is to deficiency, a kind of three-dimensional imaging optical module that always can on stereo-liquid crystal display device, show desirable stereo-picture is provided to the above prior art existence.
Another object of the present invention is to be the basis with existing microoptic technology; In conjunction with three-dimensional (3D) imaging technique of digital three-dimensional; A kind of digital three-dimensional stereomicroscopy system of digitizing stereomicroscopy system based on single object lens, its micro-three-dimensional image with several kinds of modes such as binocular eyepiece, stereo-liquid crystal display device, giant-screen stereo projection system or wear-type stereoscopic display devices as man-machine interface.
For achieving the above object; Technical scheme of the present invention is: the three-dimensional imaging optical module; Comprise microcobjective group and spectrum groupware, the real image that said microcobjective group generates is divided into independent two-way through spectrum groupware, and the optical axis of two objective lens in the said microcobjective group becomes adjustable angle mutually; Thereby form the adjustable pair of optical picture of stereoscopic parallax; For the observation object of different depth, it is right that the binocular image always has the stereo-picture of parallax in the allowed band, thereby always can on stereo-liquid crystal display device, show desirable stereo-picture.The present invention constitutes the micro-imaging to small items, for eyepiece group and imageing sensor provide the real image about the upright amplification of small items.
Said microcobjective group can be to be made up of single objective lens, and the object image-forming on the object space plane on the focal plane, picture side of object lens, is formed upright real image.
The real image of said microcobjective group is formed picture through the image rotation optical group by eyepiece again after spectrum groupware is divided into independent two-way, form the micro optical system of complete object lens-eyepiece combination.The combination of the above-mentioned micro optical system of two-way is used, and is separate and watch target imaging from different orientation.
A kind of digital three-dimensional stereomicroscopy system based on single object lens; It comprises three-dimensional imaging optical module, three-dimensional image digital module, three-dimensional image output display module; The imaging of said three-dimensional imaging optical module is shown by said three-dimensional image output display module after the three-dimensional image digital module is handled.
Said three-dimensional imaging optical module; Comprise microcobjective group and spectrum groupware, the real image that said microcobjective group generates is divided into independent two-way through spectrum groupware, and the optical axis of two objective lens in the said microcobjective group becomes adjustable angle mutually; Thereby form the adjustable pair of optical picture of stereoscopic parallax; For the observation object of different depth, it is right that the binocular image always has the stereo-picture of parallax in the allowed band, thereby always can on stereo-liquid crystal display device, show desirable stereo-picture.The present invention constitutes the micro-imaging to small items, for eyepiece group and imageing sensor provide the real image about the upright amplification of small items.
Said microcobjective group can be to be made up of single objective lens, and the object image-forming on the object space plane on the focal plane, picture side of object lens, is formed upright real image.
The real image of said microcobjective group is formed picture through the image rotation optical group by eyepiece again after spectrum groupware is divided into independent two-way, form the micro optical system of complete object lens-eyepiece combination.The combination of the above-mentioned micro optical system of two-way is used, separate and from different orientation to watching target imaging.
Said three-dimensional image digital module comprises two electronic imaging assemblies that receive said two spectrum groupware light path imaging respectively and is used for handling the digital three-dimensional image processing system that said two electronic imaging assemblies form images.Spectrum groupware and electronic three-dimensional image-forming assembly are that subsequent conditioning circuit provides original three-dimensional image signal.Wherein spectrum groupware is carried out shunt with the image of microcobjective, can carry out the real image that enlargement ratio is regulated for the electronic imaging assembly provides; The electronic imaging assembly converts optical imagery to high-resolution digital three-dimensional three-dimensional image signal; The digital three-dimensional image processing system then deals with digital three-dimensional image signal and optimizes; The three-dimensional image signal output interface is played impedance matching and the synthetic effect of image; Another effect of digital three-dimensional image processing system is; Original three-dimensional image signal is carried out format conversion, thereby adapt to the stereoscopic display device that different-format requires.
Said three-dimensional image is exported display module, comprises the three-dimensional LCDs device and the giant-screen stereo image display system of the high refresh rate of matching used time-division anaglyph spectacles; Said giant-screen stereo projection system comprises polarization type stereo projector and time division type shutter stereo projector, also can export to the demonstration of wear-type stereoscopic display device.Wherein can rely on the stereoscopic parallax displaying principle.
Compared with prior art; The present invention has following advantage: combine three-dimensional (3D) imaging technique of digital three-dimensional technological with the digitizing stereomicroscopy, the three-dimensional image that it is micro-with several kinds of modes such as binocular eyepiece, stereo-liquid crystal display device, giant-screen stereo projection system or wear-type stereoscopic display devices as man-machine interface; For the observation object of different depth, it is right that the binocular image always has the stereo-picture of parallax in the allowed band, thereby always can on stereo-liquid crystal display device, show desirable stereo-picture.
[description of drawings]
Fig. 1 is the theory diagram that the present invention is based on the digital three-dimensional stereomicroscopy system of single object lens;
Fig. 2 is the stereomicroscope synoptic diagram that is relied on that the present invention is based on the digital three-dimensional stereomicroscopy system of single object lens;
Fig. 3 is the image optics schematic diagram that the present invention is based on the digital three-dimensional stereomicroscopy system neutral body image optics assembly of single object lens;
Fig. 4 is the schematic block circuit diagram that the present invention is based on three-dimensional image digital module in the digital three-dimensional stereomicroscopy system of single object lens.
[embodiment]
Below in conjunction with accompanying drawing and specific embodiment the present invention is carried out detailed explanation.
The three-dimensional imaging optical module; As shown in Figures 2 and 3; Comprise microcobjective group 5 and spectrum groupware 4, the real image that said microcobjective group 5 generates is divided into independent two-way through spectrum groupware 4, and the optical axis of two objective lens in the said microcobjective group 5 becomes adjustable angle mutually; Thereby form the adjustable pair of optical picture of stereoscopic parallax; For the observation object of different depth, it is right that the binocular image always has the stereo-picture of parallax in the allowed band, thereby always can on stereo-liquid crystal display device, show desirable stereo-picture.The present invention constitutes the micro-imaging to small items, for eyepiece group and imageing sensor provide the real image about the upright amplification of small items.Said microcobjective group 5 can be to be made up of single objective lens 16, the object on the object space conjugate planes 17 is imaged on the plane, picture side of object lens, forms upright real image.Said object 17 generally is positioned on the objective table 7, and said microcobjective group 5 is connected with handel 6.The real image of said microcobjective group 5 is formed images by eyepiece through the image rotation optical group after spectrum groupware 4 is divided into independent two-way again, forms the micro optical system of complete object lens-eyepiece combination.The combination of the above-mentioned micro optical system of two-way is used, and is separate and watch target imaging from different orientation.Said spectrum groupware 4 can be made up of two image-forming objective lens 15.The light path of said image-forming objective lens group 15 gets into imageing sensors 11 through semi-transparent semi-reflecting prism group 14, self-focusing light path 13 and 0.75 times of objective lens 12.The light path of said image-forming objective lens group 15 gets into f25 eyepiece groups 8 through semi-transparent semi-reflecting prism group 14, the prism 10 that is all-trans, image transferring lens 9.
A kind of digital three-dimensional stereomicroscopy system based on single object lens; As shown in Figure 1; It comprises three-dimensional imaging optical module, three-dimensional image digital module, three-dimensional image output display module; The imaging of said three-dimensional imaging optical module is shown by said three-dimensional image output display module after the three-dimensional image digital module is handled.Said three-dimensional imaging optical module; Comprise microcobjective group and spectrum groupware, the real image that said microcobjective group generates is divided into independent two-way through spectrum groupware, and the optical axis of two object lens in the said microcobjective group becomes adjustable angle mutually; Thereby form the adjustable pair of optical picture of stereoscopic parallax; For the observation object of different depth, it is right that the binocular image always has the stereo-picture of parallax in the allowed band, thereby always can on stereo-liquid crystal display device, show desirable stereo-picture.The present invention constitutes the micro-imaging to small items, for eyepiece group and imageing sensor provide the real image about the upright amplification of small items.Said microcobjective group can be to be made up of single objective lens, and the object image-forming on the object space plane on the focal plane, picture side of object lens, is formed upright real image.The real image of said microcobjective group is formed images by eyepiece after the image rotation optical group after spectrum groupware is divided into independent two-way again, forms the micro optical system of complete object lens-eyepiece combination.The combination of the above-mentioned micro optical system of two-way is used, separate and from different orientation to watching target imaging.
Said three-dimensional image digital module comprises two electronic imaging assemblies that receive said two spectrum groupware imaging respectively and is used for handling the digital three-dimensional image processing system that said two electronic imaging assemblies form images.Spectrum groupware and electronic three-dimensional image-forming assembly are that subsequent conditioning circuit provides original three-dimensional image signal.Wherein divide as assembly the image of microcobjective is carried out shunt, can carry out the real image that enlargement ratio is regulated for the electronic imaging assembly provides; The electronic imaging assembly converts optical imagery to high-resolution digital three-dimensional three-dimensional image signal; The digital three-dimensional image processing system; Then digital three-dimensional image signal is dealt with and optimize; The three-dimensional image signal output interface is played impedance matching and the synthetic effect of image; Another effect of digital three-dimensional image processing system is original three-dimensional image signal to be carried out format conversion, thereby adapt to the stereoscopic display device that different-format requires.
Said electronic three-dimensional image-forming assembly is in suitable position, the picture side of objective lens; Arrange spectrum groupware; With the light of double light path image-forming objective lens group separated into two parts respectively. and via the imaging lens part in the electronic imaging assembly, the virtual image of the infinite distant place of objective lens in the future converts real image and projection in the light-sensitive surface of imageing sensor.Adopt the high resolution CMOS image sensor chip of Omnivision company, be designed to highly integrated, lightweight two-way image sensing circuit.The work under same sequential drives of two-way circuit is with the synchronous three-dimensional image signal of parallel mode output.
The digital three-dimensional image processing system comprises circuit such as picture signal buffering, primary image processing, images match, image synthesize, image output interface.Schematic block circuit diagram is as shown in Figure 2.Two-way digital rgb signal and synchronizing signal (frame synchronization, line synchronizing signal) be the input digit stereo image processing system directly; Wherein frame synchronizing signal obtains the frame pulse phase differential of two paths of signals after phase-detection; By delay circuit one road signal is wherein carried out delay process again, the artificial synchronization video rgb signal of last two width of cloth is sent into graphics processing unit.Delay circuit produces the frame-synchronizing impulse signal simultaneously and directly exports.The digital three-dimensional image processing system obtains three-dimensional image signal through primary image processing, images match, image after synthesizing, and this signal is exported through the stereo display interface.The concrete design of digital three-dimensional image processing system also comprises following auxiliary circuit: multiple class signal receiving circuit, pre-service, image synchronization circuit, image combiner circuit, power circuit etc.
Three-dimensional image output display module is the output stereo video signals of digital three-dimensional image processing system, connects the pure digi-tal interface of the two-channel digital video of paramount refresh rate LCDs through the pure digi-tal interface cable.High refresh rate LCDs uses refresh rate to be at least 120Hz, and resolution is at least the commercial LCDs (LCD) of 1680*1050, cooperates the time-division anaglyph spectacles can watch 3 D stereoscopic image constantly.Can also export signal and directly be used for the demonstration of projection giant-screen stereo image display system. the giant-screen stereo projection system is accepted the picture signal stream from the digital three-dimensional image processing system; And stereoscopic image projection formed large-screen image; The image diagonal size can freely be selected by the user between the 40-100 inch.The giant-screen stereo projection system can be watched for many people, is fit to occasions such as teaching, demonstration.The giant-screen stereo projection system comprises polarization type stereo projector and time division type shutter stereo projector.
Said person; Be merely preferred embodiment of the present invention; When not limiting the scope that the present invention implements with this, the simple equivalent of promptly doing according to claim of the present invention and invention description generally changes and modifies, and all still belongs in the scope that patent of the present invention contains.
Claims (7)
1. the three-dimensional imaging optical module comprises microcobjective group and spectrum groupware, it is characterized in that, the real image that said microcobjective group generates is divided into independent two-way through spectrum groupware, and the optical axis of two object lens in the said microcobjective group becomes adjustable angle mutually.
2. three-dimensional imaging optical module according to claim 1 is characterized in that, said microcobjective group is to be made up of single objective lens, and the object image-forming on the object space plane on the focal plane, picture side of object lens, is formed upright real image.
3. three-dimensional imaging optical module according to claim 2; It is characterized in that; The real image of said microcobjective group is formed images by eyepiece after the image rotation optical group after spectrum groupware is divided into independent two-way again, forms the micro optical system of complete object lens-eyepiece combination.
4. have digital three-dimensional stereomicroscopy system based on single object lens according to the arbitrary described three-dimensional imaging optical module of claim 1-3; It is characterized in that; It comprises three-dimensional imaging optical module, three-dimensional image digital module, three-dimensional image output display module; The imaging of said three-dimensional imaging optical module is shown by said three-dimensional image output display module after the three-dimensional image digital module is handled.
5. the digital three-dimensional stereomicroscopy system based on single object lens according to claim 4; It is characterized in that said three-dimensional image digital module comprises two electronic imaging assemblies that receive said two spectrum groupware light path imaging respectively and is used for handling the digital three-dimensional image processing system that said two electronic imaging assemblies form images.
6. the digital three-dimensional stereomicroscopy system based on single object lens according to claim 4; It is characterized in that; Said three-dimensional image output display module comprises supporting three-dimensional LCDs and the giant-screen stereo image display system that uses the high refresh rate of time-division anaglyph spectacles.
7. the digital three-dimensional stereomicroscopy system based on single object lens according to claim 6 is characterized in that, said giant-screen stereo projection system comprises that polarization type stereo projector and time division type shutter stereo projector or wear-type stereoscopic display device show.
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| CN102798981A (en) * | 2012-08-24 | 2012-11-28 | 深圳市麟静科技有限公司 | Biomimetic 3D (three dimensional) stereoimaging system |
| WO2014135127A1 (en) * | 2013-03-08 | 2014-09-12 | 深圳奥比中光科技有限公司 | Orthogonal vision based digital image association device |
| CN105158889A (en) * | 2015-09-29 | 2015-12-16 | 南京理工大学 | Stereo microscopic imaging device based on LED array illumination and method thereof |
| CN106444023A (en) * | 2016-08-29 | 2017-02-22 | 北京知境科技有限公司 | Super-large field angle binocular stereoscopic display transmission type augmented reality system |
| CN106646845A (en) * | 2016-10-26 | 2017-05-10 | 广西师范大学 | Microscopic system for realizing automatic focusing and three-dimensional reconstruction and image obtaining method thereof |
| CN106772980A (en) * | 2015-11-20 | 2017-05-31 | 南京理工大学 | The stereoscopic microscopic imaging device of shutter dynamic realtime and method |
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| WO2014135127A1 (en) * | 2013-03-08 | 2014-09-12 | 深圳奥比中光科技有限公司 | Orthogonal vision based digital image association device |
| CN105158889A (en) * | 2015-09-29 | 2015-12-16 | 南京理工大学 | Stereo microscopic imaging device based on LED array illumination and method thereof |
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| CN107132649A (en) * | 2016-02-26 | 2017-09-05 | 苏州速迈医疗设备有限公司 | Surgical operation microscope 3D imaging devices |
| CN106444023A (en) * | 2016-08-29 | 2017-02-22 | 北京知境科技有限公司 | Super-large field angle binocular stereoscopic display transmission type augmented reality system |
| CN106646845A (en) * | 2016-10-26 | 2017-05-10 | 广西师范大学 | Microscopic system for realizing automatic focusing and three-dimensional reconstruction and image obtaining method thereof |
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| CN107976795A (en) * | 2017-11-24 | 2018-05-01 | 南京图思灵智能科技有限责任公司 | Binary channels tissue sample scanner and binary channels tissue sample digital imagery recurrence system |
| CN108646399A (en) * | 2018-05-28 | 2018-10-12 | 江苏农林职业技术学院 | 3D stereomicroscopes |
| CN112068300A (en) * | 2020-11-10 | 2020-12-11 | 中国科学院自动化研究所 | Shutter type self-adaptive 3D display system based on medical microscopic image |
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