CN102681183B - Two-way three-dimensional imaging and naked-eye three-dimensional display system based on lens array - Google Patents
Two-way three-dimensional imaging and naked-eye three-dimensional display system based on lens array Download PDFInfo
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- CN102681183B CN102681183B CN201210166696.6A CN201210166696A CN102681183B CN 102681183 B CN102681183 B CN 102681183B CN 201210166696 A CN201210166696 A CN 201210166696A CN 102681183 B CN102681183 B CN 102681183B
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Abstract
The invention relates to three-dimensional display, three-dimensional imaging and two-way imaging and display, in particular to a two-way three-dimensional imaging and naked-eye three-dimensional display system based on a lens array. The two-way three-dimensional imaging and naked-eye three-dimensional display system sequentially comprises the lens array, a segregation board, a detector array and a flat panel displayer, wherein the lens array is used for three-dimensional imaging to objects and three-dimensional display to flat panel display images; the segregation board is used for eliminating signal interference between an imaging unit and a display unit of the lens array; the detector array is used for measuring three-dimensional light field information collected on the image surface of the lens array, and an electrode control circuit is arranged at the detector array; and the flat panel displayer is used for displaying an array image for the three-dimensional display of the lens array. An array image imaged by the detector array is used for extracting the position information of the objects to provide information for further human-computer interaction. Meanwhile, on the premise that the naked-eye three-dimensional display is not influenced, the three-dimensional imaging is realized. The two-way three-dimensional imaging and naked-eye three-dimensional display system has a simple structure and high speed, realizes high-quality two-way three-dimensional imaging and naked-eye three-dimensional display, is suitable for household and business video systems, and can also be developed into an optical non-contact human-machine interaction system.
Description
Technical field
The present invention relates to 3-D display, three-dimensional imaging and bidirectional imaging and display, particularly a kind of two-way three-dimensional imaging based on lens arra and naked eye three-dimensional display system.
Background technology
Along with the raising of scientific and technological level, people require more and more higher to existing display performance, and wherein naked eye three-dimensional display and human-computer interaction are that the modern times show two very important developing direction at present.And human-computer interaction requires to realize so just can parse the three-dimensional imaging to target object the signal that target object sends, and then realize human-computer interaction.And current human-computer interaction system structure is all too huge, and major part all requires hand contact screen.Visible, if provide the function of 3-D display and three-dimensional imaging in an integrated system simultaneously, there is very wide using value.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, there is provided a kind of structure simple, stable, flat-panel monitor and lens arra is used to realize naked eye three-dimensional display, the array image-forming device simultaneously utilizing integrated lens arra-detector array to form carries out three-dimensional imaging, thus forms two-way three-dimensional imaging-naked eye three-dimensional display system.
The technical solution used in the present invention is as follows:
Based on two-way three-dimensional imaging and the naked eye three-dimensional display system of lens arra, be provided with successively:
Lens arra, is used as object dimensional imaging, and shows flat pannel display image three-dimensional;
Division board, eliminates the signal cross-talk between lens array imaging-display unit;
Detector array, for measuring the 3 d light fields information that lens arra image planes are collected, and is provided with electrode control circuit;
Flat-panel monitor, shows the array image for lens arra 3-D display.
Further, the pixel of the display board of described flat-panel monitor comprises R, G, B tri-sub-pixels, and described flat-panel monitor is liquid crystal display, plasma scope or organic light emitting diode display.
Further, the refreshing frequency of described flat-panel monitor is 120Hz, for image and the alternately appearance of black signal image sequential of 3-D display.
Further, described detector array and electrode control circuit thereof, be integrated on display board or independent glass substrate, the corresponding detected pixel of each display pixel, each detected pixel comprises RGB tri-sub-pixels, measure R, G, B component optical signals of corresponding picture point respectively, in each display pixel, the relative position of detected pixel is identical.
Further, described lens arra is integrated on a glass substrate, the corresponding multiple display pixel of each lens and detected pixel.
Further, when flat-panel monitor display cubical array image, lens arra rebuilds virtual three-dimensional light field, realizes the 3-D display of bore hole.
Further, described division board is square aperture array, and the cycle is identical with lens arra.
Comparatively perfect, when flat-panel monitor display black image, display is in dark-state, and lens arra collects the 3 d light fields information of observer and background thereof in visual field, realizes array image-forming.
Comparatively perfect, lens arra, division board and detector array integrated, independent of flat-panel monitor.
Lens arra by collecting and reconstruction of three-dimensional field information, thus reaches the object of three-dimensional imaging and naked eye three-dimensional display, i.e. integrative display and integration imaging.Compared to the 3-D display of polarization and shutter, the 3-D display based on lens arra does not need wearing spectacles, conveniently observes.
In addition, can array image captured by lens arra, the positional information of object can be extracted.
The present invention is in technique scheme, and array image formed by detector array is used to the position and the depth information that extract object, for further human-computer interaction provides information.Meanwhile, by the reconstruction light field of naked eye, be there is 3-D effect.Under the prerequisite not affecting naked eye three-dimensional display, realize three-dimensional imaging, structure is simple, speed is fast, and realize high-quality two-way three-dimensional imaging and naked eye three-dimensional display, compared with prior art, beneficial effect of the present invention is:
1, object dimensional position and depth information can be obtained fast.
2, naked eye three-dimensional can be provided to show.
3, stable performance, simple and compact for structure, be applicable to real-time video meeting/chat system.
4, analyze its limbs imaging, its application on optical 3-dimensional human-computer interaction system can be expanded.
Accompanying drawing explanation
Invention to be further described below in conjunction with accompanying drawing for the ease of it will be appreciated by those skilled in the art that.
Fig. 1 schematically illustrates two-way three-dimensional imaging-naked eye three-dimensional display system.
Fig. 2 schematically illustrates the arrangement of flat-panel monitor rgb pixel.
Fig. 3 schematically illustrates the detector array two dimension arrangement of corresponding diagram 2 flat-panel monitor.
Fig. 4 schematically illustrates the structure of division board.
Fig. 5 schematically illustrates the index path of imaging system.
Embodiment
Refer to Fig. 1, based on two-way three-dimensional imaging and the naked eye three-dimensional display system of lens arra, comprising: flat-panel monitor 11, for showing the array image for 3-D display; Detector array 12, for detection of three dimensional optical field imaging signal; Division board 13, eliminates the signal cross-talk between lens array unit; Lens arra 14, for three-dimensional imaging and 3-D display; Reconstruction of three-dimensional is as 15, and namely 3-D display rebuilds light field; Observer 16, are also be imaged object.
Said system can be divided into multiple imaging display unit 17, and each imaging display unit 17 includes lens, multiple detected pixel and display pixel.
Refer to Fig. 2, the arrangement of each flat-panel monitor 11 pixel corresponding to imaging display unit 17, used four pixels in Fig. 2, each pixel 18 comprises R, G and B tri-sub-pixels.
Refer to Fig. 3, a detector 20 on the corresponding detector array 12 of each display pixel 18 in Fig. 2.Each detector pixel comprises again RGB tri-sub-pixels, and with the chromatic information of detection of three dimensional light field, transparency carrier 19 is for supporting detector array and (transparent) control circuit thereof.
Refer to Fig. 4, this division board 13 is the array of orifices on thick hard material substrate, and the size of aperture is the size of display unit lens, and the wooden partition of division board 13 is through Darkening process, and the crosstalk of single-element lens being collected to light has barrier effect.
Refer to Fig. 5, the three-dimensional display system be made up of lens arra 14, division board 13 and flat-panel monitor 11, the display pixel 18 of each unit shows different array pictures, and the light 23 of corresponding same object point comes together in same point after lens arra 14, thus has rebuild three-dimensional image 15.
The 3-D imaging system be made up of lens arra 14, division board 13 and detector array 12, observer 16 is collected to the light 24 of different visual angles, these light 24 are received by the detected pixel 20 of diverse location in different single-element lenss, use related algorithm process detection image, the position of this object 16 can be determined.
In order to avoid display is on the impact of detectable signal, this system sequence is in two kinds of duties, a kind of state is array of display image, a kind of state is black image or powered-down, now three-dimensional imaging can be carried out, display picture frequency 120Hz, finally realizes two-way three-dimensional imaging-naked eye three-dimensional display.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1., based on two-way three-dimensional imaging and the naked eye three-dimensional display system of lens arra, be provided with successively:
Lens arra, is used as object dimensional imaging, and the 3-D display to the array image that flat-panel monitor shows, and described lens arra is integrated on a glass substrate, the corresponding multiple display pixel of each single-element lens and detected pixel;
Division board, the signal cross-talk between the single-element lens of elimination lens arra, described division board is square aperture array, and the cycle is identical with lens arra;
Detector array, for measuring the 3 d light fields information that lens arra image planes are collected, and be provided with electrode control circuit, detector array and electrode control circuit thereof are integrated on display board or independent glass substrate, the corresponding detected pixel of each display pixel, each detected pixel comprises R, G, B tri-sub-pixels, and measure R, G, B component optical signals of corresponding picture point respectively, in each display pixel, the relative position of detected pixel is identical;
Flat-panel monitor, show the array image for lens arra 3-D display, the pixel of the display board of described flat-panel monitor comprises R, G, B tri-sub-pixels, and described flat-panel monitor is liquid crystal display, plasma scope or organic light emitting diode display;
Wherein the light of corresponding same object point comes together in same point after lens arra, thus has rebuild three-dimensional image;
The light of object to be imaged is received by the detected pixel of diverse location in described detector array in different single-element lenss, uses related algorithm process detection image, determines the position of this object;
System sequence is in two kinds of duties, and a kind of state is array of display image, and a kind of state is black image or powered-down, now can carry out three-dimensional imaging, display picture frequency 120Hz, finally realizes two-way three-dimensional imaging-naked eye three-dimensional display.
2. the two-way three-dimensional imaging based on lens arra according to claim 1 and naked eye three-dimensional display system, is characterized in that, when flat-panel monitor array of display image, lens arra rebuilds virtual three-dimensional light field, realizes the 3-D display of bore hole.
3. the two-way three-dimensional imaging based on lens arra according to any one of claim 1-2 and naked eye three-dimensional display system, it is characterized in that, when flat-panel monitor display black image, flat-panel monitor is in dark-state, lens arra collects the 3 d light fields information of observer and background thereof in visual field, realizes lens array imaging.
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| CN103051906B (en) * | 2012-12-13 | 2015-03-25 | 深圳市奥拓电子股份有限公司 | Integral imaging naked eye three-dimensional autostereoscopic LED (light emitting diode) display system and display screen thereof |
| CN103905808A (en) * | 2012-12-27 | 2014-07-02 | 北京三星通信技术研究有限公司 | Device and method used for three-dimension display and interaction. |
| CN105676465A (en) * | 2014-12-08 | 2016-06-15 | 松下知识产权经营株式会社 | Image display device |
| CN105527718B (en) * | 2016-01-19 | 2019-01-18 | 中山大学 | The analog analysing method of naked eye 3D display method, display system and display system |
| CN106873170A (en) * | 2016-12-29 | 2017-06-20 | 中山大学 | It is a kind of to improve the system and method that grating style three-dimension display is presented view resolution |
| CN106773064B (en) * | 2017-01-22 | 2020-08-04 | 网易（杭州）网络有限公司 | Display control method and device of image picture and head-mounted display equipment |
| CN108169922A (en) * | 2018-01-30 | 2018-06-15 | 武汉华星光电技术有限公司 | 3D display device and its lens subassembly |
| WO2020146981A1 (en) * | 2019-01-14 | 2020-07-23 | 京东方科技集团股份有限公司 | Display apparatus, electronic device, and driving method for display apparatus |
| CN110099270B (en) * | 2019-03-12 | 2020-12-04 | 成都工业学院 | Integrated imaging secondary imaging method based on light field resampling |
| CN113703185A (en) * | 2020-05-22 | 2021-11-26 | 北京芯海视界三维科技有限公司 | Method for manufacturing lenticular grating |
| CN114374831A (en) * | 2020-10-15 | 2022-04-19 | 幻景启动股份有限公司 | Interactive system |
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