CN102866616A - Full-parallax error hologram rapid calculating and manufacturing device and method - Google Patents
Full-parallax error hologram rapid calculating and manufacturing device and method Download PDFInfo
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- CN102866616A CN102866616A CN2012103467011A CN201210346701A CN102866616A CN 102866616 A CN102866616 A CN 102866616A CN 2012103467011 A CN2012103467011 A CN 2012103467011A CN 201210346701 A CN201210346701 A CN 201210346701A CN 102866616 A CN102866616 A CN 102866616A
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Abstract
The invention discloses a full-parallax error hologram rapid calculating and manufacturing device and a full-parallax error hologram rapid calculation and manufacturing method. The device comprises a laser, a shutter, a random phase plate, a motor, an objective lens, a needle hole, two polarizing plates, a transmission-type spatial light modulator, a high-resolution ratio imaging lens, a hologram dry plate, a two-dimensional mobile platform and a high-configuration computer, wherein the laser is used for providing a light source for a whole experiment; the random phase plate is driven by the motor to eliminate speckle noise; the objective lens is matched with the needle hole in a coaxial way to realize convergence of light waves; because of the high-resolution ratio imaging lens, a function of reducing a full-parallax error picture is realized; zero-pole light spots are effectively adjusted by the two polarizing plates; the high-configuration computer is respectively connected with the shutter, the transmission-type spatial light modulator and the two-dimensional mobile modulator, so that control of continuous transportation of the full-parallax error picture, the movement of the hologram dry plate and the hologram time-share explosion is realized. According to the device and the calculating method, a hologram is printed in a multi-view angle way, and the calculation of full-parallax error pictures is speeded up so as to realize the time efficiency of commercial production.
Description
Technical field
The present invention relates to formation of hologram and hologram and print field, the particularly quick calculating of a kind of full parallax hologram and producing device and method.
Background technology
It is one of laser holography important applied field that hologram is printed.Traditional optical holography is to utilize principle of interference, the specific light wave that object sends is recorded with the form of interference fringe, the front full detail of thing light wave all is stored in the recording medium, because diffraction principle can reappear original thing light wave, thereby forms the three-dimensional image true to nature with the original.Along with few development and the renewal of computer technology and hardware device, the calculation holographic system has become main hologram obtaining means.Be developed although utilize the computer simulation two-phonon process to make hologram, still exist deficiency: one, owing to computed hologram data volume large (especially full disparity computation hologram), the time that integral hologram consumes is more.Two, the output of computed hologram generally is miniature printing on the recording medium, and system's control accuracy requires higher.
At present, the printing of computed hologram is studied both at home and abroad.The method of the full parallax dot matrix of the application integral holograms such as domestic Peng Wanjuan with University Of Chongqing, Wang Ding, Guan Chengxiang, the Rong Xianwei of Harbin Teachers' Univ., Yu Xiaoyan etc. have proposed the ten thousand far red of 3-D display hyperchannel hologram recording method, University Of Suzhou, and the propositions such as Zhang Jin are a kind of to realize that the new method of 3-D display is main implementation method.Abroad take day digital striped printer of the present invention, the U.S. Zebra Imaging company invented digital stereogram rainbow hologram as main.
Summary of the invention
The objective of the invention is the full parallax hologram computing velocity that exists for existing domestic and international hologram type system slow and print the poor problem of control precision prescribed, the quick calculating of a kind of full parallax hologram and producing device and method are provided, realize the Quick Acquisition of visual angle picture and synthesizing of full disparity computation hologram, the realization hologram is cut apart the robotization of printing.
For achieving the above object, the present invention adopts following technical proposals: propose a kind of full parallax hologram and calculate fast and producing device, comprise laser instrument, shutter, random phase plate, motor, object lens, pin hole, lens, polaroid, transmission-type spatial light modulator, polaroid, high resolution imaging lens, holographic dry plate, two-dimensional movement platform, high configuration computing machine, it is characterized in that: laser instrument is fixed on the platform; Random phase plate is fixed on High Rotation Speed elimination speckle noise on the motor; Pin hole places the objective focal length position; Polaroid places respectively before and after the transmission-type spatial light modulator; Holographic dry plate is fixed on the two-dimensional movement platform; High configuration computing machine is connected with shutter, transmission-type spatial light modulator, two-dimensional movement platform respectively by data line.
Calculate fast and the full parallax device of making according to full disparity computation hologram provided by the present invention, it is characterized in that: the individual supercomputer of SerMax PSC-2n 448 nuclears that high configuration computing machine (14) can adopt U.S. AMAX company to produce, with Tesla C2075 GPU computation processor, 3DMAX software, MATLAB software.
Calculate fast and producing device according to full parallax hologram provided by the present invention, it is characterized in that: what laser instrument adopted is that wavelength is the green laser of 532nm.
Calculate fast and producing device according to full parallax hologram provided by the present invention, it is characterized in that: random phase plate is to be fixed on High Rotation Speed elimination speckle and noise on the motor.
Full parallax hologram according to claim 1 calculates and producing device fast, it is characterized in that: high resolution imaging lens (11) is that the NT59-878 microscope and the MT-4 tube lens that adopt EDMUND company to produce form, its resolution is 0.7 μ m, and it is 20 times to the maximum to the imagezoom ratio.
Full parallax hologram according to claim 1 calculates and producing device fast, and it is characterized in that: two-dimensional movement platform (13) is the two dimension NC auto platform, and bearing accuracy is 5 μ m, and range is 100mm * 100mm.
A kind of full parallax hologram calculates and method for making fast, adopts said apparatus to make, and its feature comprises the steps:
(1) utilize high configuration computing machine with 3DMAX software set up object model, utilize the visual angle image that function gathers object model of playing up of video camera;
(2) the visual angle image is imported MATLAB software, obtain full parallax pixel image under the acceleration of Tesla C2075 GPU, the acceleration through MATLAB Software Coding and Tesla C20705GPU obtains the Huang Shi coded image again;
(3) shutter, transmission-type spatial light modulator, two-dimensional movement platform are connected with high configuration computing machine by data line, open laser instrument, motor, transmission-type spatial light modulator, high configuration computing machine, the two-dimensional movement platform is adjusted to initial position.
(4) opening control program realizes: send the Huang Shi coded image to the transmission-type spatial light modulator, shutter is opened and was realized in three seconds closing after the exposure of the first width of cloth picture, position of two-dimensional movement platform movement, send the full disparity computation hologram of another width of cloth to the transmission-type spatial light modulator, shutter is opened and was realized in three seconds closing after the exposure of the second width of cloth picture.Being recycled to last width of cloth figure finishes to print.
The present invention compared with prior art, have following apparent outstanding substantive distinguishing features and marked improvement: the Tesla C2075 GPU computation processor that the high configuration of utilization computing machine itself carries and the combination of 3DMAX and MATLAB software, realized the collection of visual angle picture and the synthetic acceleration of full disparity computation hologram.Shutter, transmission-type spatial light modulator, two-dimensional movement platform are connected and have realized that hologram cuts apart the robotization of printing with the high computing machine of joining, and processing ease, convenient.
Description of drawings
Fig. 1 is the mechanism map of the miniature print system of full parallax hologram.
Fig. 2 is the schematic diagram that full parallax hologram synthesizes fast.
Embodiment
Details are as follows by reference to the accompanying drawings for the preferred embodiments of the present invention:
Embodiment one:
As shown in Figure 1, this full parallax hologram calculates and producing device fast, comprise laser instrument (1), shutter (2), random phase plate (3), motor (4), object lens (5), pin hole (6), lens (7), polaroid (8) transmission-type spatial light modulator (9), polaroid (10), high resolution imaging lens (11), holographic dry plate (12), two-dimensional movement platform (13), high configuration computing machine (14), it is characterized in that: laser instrument (1) is fixed on the platform; Random phase plate (3) is fixed on the motor (4), and High Rotation Speed is eliminated speckle noise; Pin hole (6) places object lens (5) focal position place; Polaroid (8,10) places respectively before and after the transmission-type spatial light modulator (9); Holographic dry plate (12) is fixed on the two-dimensional movement platform (13); High configuration computing machine (14) is connected with shutter (2), transmission-type spatial light modulator (9), two-dimensional movement platform (13) respectively by data line.
Real
Execute example two:
This complete quick calculating of parallax hologram and producing device and embodiment one are basic identical, and characteristics are:
(1): CPU people's supercomputer of SerMax PSC-2n 8 nuclears that high configuration computing machine (14) adopts U.S. AMAX company to produce, with Tesla C20705GPU computation processor (2-3), 3DMAX(2-1) software, MATLAB(2-2) software.
(2): what laser instrument (1) adopted is that wavelength is the green laser of 532nm.
(3): random phase plate (3) is to be fixed on the upper High Rotation Speed of motor (4) to eliminate speckle noise.
(4): high resolution imaging lens is that the NT59-878 microscope and the MT-4 tube lens that adopt EDMUND company to produce form, and its resolution is 0.7 μ m, and it is 20 times to the maximum to the imagezoom ratio.
(5): two-dimensional movement platform (13) is the two dimension NC auto platform, and bearing accuracy is 5 μ m, and range is 100mm * 100mm.
Embodiment three:
This full parallax hologram calculates and method for making fast, adopts said apparatus to make, and as shown in Figure 2, its concrete operation step is:
(1) utilize high configuration computing machine (14) with 3DMAX(2-1) software sets up object model (2-1-1), utilizes the visual angle image (2-2) that function gathers object model (2-1-1) of playing up of video camera (2-1-2);
(2) visual angle image (2-2) is imported MATLAB(2-2) software, at Tesla C2075 GPU(2-3) acceleration under obtain full parallax pixel image (2-2-1), pass through again MATLAB(2-2) Software Coding and Tesla C2075 GPU(2-3) acceleration obtain Huang Shi coded image (2-3-1);
(3) shutter (2), transmission-type spatial light modulator (9), two-dimensional movement platform (13) are connected with high configuration computing machine (14) by data line, open laser instrument (1), motor (4), transmission-type spatial light modulator (9), high configuration computing machine (14), two-dimensional movement platform (13) is adjusted to initial position.
(4) opening control program realizes: send Huang Shi coded image (2-3-1) to transmission-type spatial light modulator (9), shutter (2) is opened and was realized in three seconds closing after the exposure of the first width of cloth picture, the mobile position of two-dimensional movement platform (13), send the full disparity computation hologram of another width of cloth to transmission-type spatial light modulator (9), shutter (2) is opened and was realized in three seconds closing after the exposure of the second width of cloth picture.Being recycled to last width of cloth figure finishes to print.
Claims (6)
1. a full parallax hologram calculates and producing device fast, comprise laser instrument (1), shutter (2), random phase plate (3), motor (4), object lens (5), pin hole (6), lens (7), polaroid (8), transmission-type spatial light modulator (9), polaroid (10), high resolution imaging lens (11), holographic dry plate (12), two-dimensional movement platform (13) and high configuration computing machine (14), it is characterized in that: described laser instrument (1) is fixed on the platform; Random phase plate (3) is fixed on the motor (4), and High Rotation Speed is eliminated speckle noise; Pin hole (6) places place, object lens (5) focal position; Two polaroids (8,10) place respectively before and after the transmission-type spatial light modulator (9); Holographic dry plate (12) is fixed on the two-dimensional movement platform (13); High configuration computing machine (14) is connected with shutter (2), transmission-type spatial light modulator (9), two-dimensional movement platform (13) respectively by data line.
2. full parallax hologram according to claim 1 calculates and producing device fast, it is characterized in that: CPU people's supercomputer of SerMax PSC-2n 8 nuclears that described high configuration computing machine (14) adopts U.S. AMAX company to produce, with Tesla C2075 GPU computation processor (2-3), 3DMAX(2-1) software, MATLAB(2-2) software.
3. full parallax hologram according to claim 1 calculates and producing device fast, it is characterized in that: what laser instrument (1) adopted is that wavelength is the green laser of 532nm.
4. full parallax hologram according to claim 1 calculates and producing device fast, it is characterized in that: high resolution imaging lens (11) is that the NT59-878 microscope and the MT-4 tube lens that adopt EDMUND company to produce form, its resolution is 0.7 μ m, and it is 20 times to the maximum to the imagezoom ratio.
5. full parallax hologram according to claim 1 calculates and producing device fast, and it is characterized in that: two-dimensional movement platform (13) is the two dimension NC auto platform, and bearing accuracy is 5 μ m, and range is 100mm * 100mm.
6. a full parallax hologram calculates and method for making fast, adopts full parallax hologram according to claim 1 to calculate with producing device fast and makes, and it is characterized in that: operation steps is as follows:
1) utilize high configuration computing machine (14) with 3DMAX(2-1) software sets up object model (2-1-1), utilizes the visual angle image (2-2) that function gathers object model (2-1-1) of playing up of video camera (2-1-2);
2) visual angle image (2-2) is imported MATLAB(2-2) software, at Tesla C2075 GPU(2-3) acceleration under obtain full parallax pixel image (2-2-1), pass through again MATLAB(2-2) Software Coding and Tesla C20705GPU(2-3) acceleration obtain Huang Shi coded image (2-3-1);
3) shutter (2), transmission-type spatial light modulator (9), two-dimensional movement platform (13) are connected with high configuration computing machine (14) by data line, open laser instrument (1), motor (4), transmission-type spatial light modulator (9), high configuration computing machine 14), two-dimensional movement platform (13) is adjusted to initial position;
4) opening control program realizes: send Huang Shi coded image (2-3-1) to transmission-type spatial light modulator (9), shutter (2) is opened and was realized in three seconds closing after the exposure of the first width of cloth picture, the mobile position of two-dimensional movement platform (13), send the full disparity computation hologram of another width of cloth to transmission-type spatial light modulator (9), shutter (2) is opened and was realized in three seconds closing after the exposure of the second width of cloth picture; Being recycled to last width of cloth figure finishes to print.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454073A (en) * | 2013-09-04 | 2013-12-18 | 上海大学 | Spatial light modulator modulation performance testing device and method based on 4F interference system |
| CN104281490A (en) * | 2014-05-16 | 2015-01-14 | 北京理工大学 | Multi-GPU based high-speed hologram-computing method |
| CN106647210A (en) * | 2017-01-19 | 2017-05-10 | 中国人民解放军装甲兵工程学院 | Idle stroke error elimination method for holographic unit printing |
| CN107490948A (en) * | 2017-09-26 | 2017-12-19 | 天津工业大学 | A kind of adjustable phase type hologram type method for rebuilding the three-dimensional scenic angle of visual field |
| CN113671813A (en) * | 2021-08-20 | 2021-11-19 | 中国人民解放军陆军装甲兵学院 | Virtual and real scene fused full-parallax holographic volume view manufacturing method and system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454073A (en) * | 2013-09-04 | 2013-12-18 | 上海大学 | Spatial light modulator modulation performance testing device and method based on 4F interference system |
| CN103454073B (en) * | 2013-09-04 | 2016-01-13 | 上海大学 | Based on proving installation and the method for 4F interference system test space light modulator modulates performance |
| CN104281490A (en) * | 2014-05-16 | 2015-01-14 | 北京理工大学 | Multi-GPU based high-speed hologram-computing method |
| CN104281490B (en) * | 2014-05-16 | 2017-06-13 | 北京理工大学 | A kind of method of the supercomputing hologram based on many GPU |
| CN106647210A (en) * | 2017-01-19 | 2017-05-10 | 中国人民解放军装甲兵工程学院 | Idle stroke error elimination method for holographic unit printing |
| CN106647210B (en) * | 2017-01-19 | 2019-07-19 | 中国人民解放军装甲兵工程学院 | The idle running error removing method of holographic cell printing |
| CN107490948A (en) * | 2017-09-26 | 2017-12-19 | 天津工业大学 | A kind of adjustable phase type hologram type method for rebuilding the three-dimensional scenic angle of visual field |
| CN113671813A (en) * | 2021-08-20 | 2021-11-19 | 中国人民解放军陆军装甲兵学院 | Virtual and real scene fused full-parallax holographic volume view manufacturing method and system |
| CN113671813B (en) * | 2021-08-20 | 2022-09-13 | 中国人民解放军陆军装甲兵学院 | Virtual and real scene fused full-parallax holographic volume view manufacturing method and system |
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Application publication date: 20130109 |