CN105319936B - A kind of three- dimensional panoramic show method based on volume holographicstorage technology - Google Patents

A kind of three- dimensional panoramic show method based on volume holographicstorage technology Download PDF

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CN105319936B
CN105319936B CN201510874896.0A CN201510874896A CN105319936B CN 105319936 B CN105319936 B CN 105319936B CN 201510874896 A CN201510874896 A CN 201510874896A CN 105319936 B CN105319936 B CN 105319936B
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CN105319936A (en
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王健
孙秀冬
骆素华
艾德喜
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

A kind of three- dimensional panoramic show method based on volume holographicstorage technology, it is related to storage and the 3 D displaying method of image.The present invention in order to solve the problems, such as existing holographic technology source images can not digitized processing, multiplexing storage width number is few, far field imaging data of breadth handles the high-resolution reconstruction of hologram existing for difficult and Digital Holography real-time is limited the problem of.This method is imaged using CCD to the object or environment of different visual angles, and modified or handled as needed, then these images are split according to special algorithm, the new page is reassembled into again, using volume holographicstorage light path with displacement multiplexing technology by the point or line of these page records to medium, you can to realize that 3 D stereo reproduces.The present invention is applied to the Three-dimensional Display of object.

Description

A kind of three- dimensional panoramic show method based on volume holographicstorage technology
Technical field
The present invention relates to the storage of image and 3 D displaying method.
Background technology
Traditional 3 Dimension Image Technique is to show composograph or dynamic two dimensional image using two-dimensional screen, utilizes human eye Binocular parallax (or visual persistence effect) performance 3-D effect, such as using electronic switch, conversion wavelength or polarization theory structure Anaglyph spectacles, the two dimensional image that object is obtained from multiple angles is then three-dimensional in the multi views of different forms output respective image Display, and lens array three-dimensional display of binocular parallax etc. is manufactured using lens array.But these imaging modes only have The psychological depth of field, lack three-dimensional presentation truly.Preferable 3 Dimension Image Technique should provide all viewpoints, apart from upper depth Degree is perceived, and real 3-dimensional image is observed under full what comes into a driver's, multi-angle without any servicing unit can, makes three-dimensional Object shows the existing psychological depth of field, there is physical depth again.Phase information of the optical holography due to being able to record object, because This reproduction image has obvious parallax characteristic, it is considered to be ideal 3 Dimension Image Technique.
3 Dimension Image Technique based on principle of holography mainly has two kinds at present, and one kind is Dennis Gabor holographic skills Art, its principle are to interfere object emission or the field information of scattering on holographic dry plate with the reference beam after expanding, then 3-d reproduction is realized using diffraction method.This recording mode makes each point of recording medium record the information of object, Thus there is very high storage redundancy;Using angle multiplexing technique, several holograms can be recorded on the same medium, but by To the limitation of storage medium selectivity, it is recorded, and width number is few, and the far field imaging of whole breadth also brings difficulty to data processing. Another kind is Digital Holography, and the technology overcomes recording medium and actual Scenery Imaging by Computer-generated Hologram Limitation for optical holographic recording, but one width hologram of formation needs to calculate substantial amounts of information, causes high-resolution holography again Existing real-time declines or to sacrifice resolution ratio as cost.
The content of the invention
The present invention in order to solve existing holographic technology source images can not digitized processing, multiplexing storage width number it is few, The real-time of the high-resolution reconstruction of hologram existing for the problem of far field imaging data processing of breadth is difficult and Digital Holography The problem of limited.
A kind of three- dimensional panoramic show method based on volume holographicstorage technology, comprises the following steps:
Step 1: the processing of image to be stored:
Step 1, (display) image to be stored split:
(1) obtained n width images are shot if image is one-dimensional scanning:
Step 1.1.1, it is 1 to n by n width images number consecutively;Then according to the direction of scanning by each width image averaging It is divided into n stick, as shown in Fig. 1 (A);
Step 1.1.2, n stick of the 1st width image is designated as 1 respectively1, 12..., 1n, the n stick difference of the 2nd width image It is designated as 21, 22..., 2n, the stick of every piece image is marked successively, until n stick of the n-th width image is designated as respectively n1, n2..., nn
(2) if n width image (characteristic of the n width images obtained according to two-dimensional scan, n that image, which is two-dimensional scan, to be obtained To close number):
Step 1.2.1, it is 1 to n, n=m × p by n width images number consecutively, m, p are integers and m, p are all higher than 1;According to From left to right, the order under upper arranges n width graphical arrangement into m rows p, forms the pattern matrix of m rows p row, i.e., by n width images It is arranged in m rows p row;
Step 1.2.2, each width image averaging is divided into m × p stick, i.e. m rows p row sticks;
Step 1.2.3, a stick is arranged for the m rows p of the 1st width image, successively numbers stick by stick position, will 1st width image presses barrier between different departments;
Step 1.2.4, the n width images for being 1 to n for numbering, are divided each image by stick according to step 1.2.3 Cut;
By taking 6 width images as an example, shown in its dividing method such as Fig. 2 (A), i.e. the segmentation number of each image should be total number of images;
Step 2, (display) image to be stored recombinated:
(1) if one-dimensional scanning shoots n stick of obtained image segmentation:
Step 2.1.1, then first stick of n width images is extracted, and according to picture number reverse order by n First stick of width image is arranged, and forms the first width new images, i.e. n1..., 31, 21, 11
Step 2.1.2, according to step 2.1.1 operation, second stick of n width images is reformulated into the second width and newly schemed Picture;
By that analogy, until n width image nth bar blocks are rearranged successively, the n-th width new images are formed;
N width images are retrieved, as shown in Fig. 1 (B);
(2) if two-dimensional scan shoots m × p stick of obtained image segmentation:
Step 2.2.1, the stick of the column split position of the 1st row the 1st of every piece image in m × p width images is extracted, And according to picture number reverse order by the stick of m × p width images according to being arranged in order into m rows p from left to right, from top to bottom Row, reconstitute a width new images;And the new images that this width reconstitutes are arranged in the 1st row the 1st of m row p row pattern matrixs Row;
Step 2.2.2, the stick of the column split position of the 1st row the 2nd of every piece image in m × p width images is extracted, And according to picture number reverse order by the stick of m × p width images according to being arranged in order into m rows p from left to right, from top to bottom Row, reconstitute a width new images;And the new images that this width reconstitutes are arranged in the 1st row the of the pattern matrix of m rows p row 2 row;
Step 2.2.3, according to step 2.2.1 and step 2.2.2 operation, the like, will be every in m × p width images The stick of i-th row jth column split position of piece image extracts, i=1,2 ..., m, j=1,2 ..., p, and is compiled according to image Number reverse order by the stick of m × p width images according to be arranged in order into from left to right, from top to bottom m rows p row, reconstitute One width new images;And the i-th row jth that the new images that this width reconstitutes are arranged in the pattern matrix of m rows p row arranges;
By taking 6 width images as an example, Fig. 2 (B) is seen;
Step 2: the storage of image reproduces with 3-D view:
For the new images after splitting and recombinate in step 1 as image source, volume holographicstorage light path is used to be answered with displacement Recorded and reproduced with technology.
Multiplexing technology is the general address in volume holographic record field, is divided into displacement multiplexing, angular multiplexed, wavelength multiplexing etc. is multiple With mode, displacement multiplexing is exactly that movement once just records, allows record position to change, angular multiplexed is exactly angle change Once just record;Displacement multiplexing in the invention is exactly to record piece image and just change position to re-record another width figure Picture, it is also one-dimensional square movement if the image of one-dimensional decomposition, when record, if the image of two-dimensional decomposition, just exists Two-dimensional movement in recording medium, the order of record should combine the sequence consensus of distribution with image.
The invention has the advantages that:
The present invention uses volume holographicstorage technology, and the process for recording image avoids conventional method object scatter light and reference Interference of light diffraction efficiency is low, and recording medium each point be required for repeatedly it is angular multiplexed caused by dynamic range reduce ask Topic.The source images of the inventive method can be repaiied in advance due to being acquired using image devices such as CCD to image to be recorded Decorations and adjustment, and independent operation can be carried out to the point or line of recording medium, it is achieved thereby that image source, storing process, reproduction The operating flexibility of processing, make the far field imaging data processing of breadth fairly simple.And volume holographicstorage technology is by by thing Light is converged to referring to the interference of light in the region of a very little, and is recorded in certain thickness material, therefore is held with storage The features such as amount is big, data transfer is fast.Angular multiplexed selectivity of the volume holographicstorage technology based on bragg selectivity principle is to pass More than 10 times of system face memory technology, therefore the record width number of storage medium can be significantly increased.
The present invention is not to use the Digital Holography by computer to image procossing, so comparing digital hologram skill Art saves the substantial amounts of calculating time, and especially in the high-resolution reconstruction of hologram, the present invention not only need not be calculated largely The real-time of time and the high-resolution reconstruction of hologram is good;Simultaneously because the present invention is using storage medium recorded information, phase Better than the storage mode mobility of Digital Holography, the reproduction of image is convenient.
Brief description of the drawings
The segmentation schematic diagram for the n width images that Fig. 1 (A) shoots to obtain for one-dimensional scanning;
Fig. 1 (B) is the restructuring schematic diagram after the n width image that one-dimensional scanning shoots to obtain is split;
Fig. 1 (C) is the displacement multiplexing recording sequential schematic after the n width image segmentation that one-dimensional scanning shoots to obtain recombinates;
The segmentation schematic diagram for the n width images that Fig. 2 (A) shoots to obtain for two-dimensional scan;
Fig. 2 (B) is the restructuring schematic diagram after the n width image that two-dimensional scan shoots to obtain is split;
Fig. 3 is the light path schematic diagram for carrying out displacement multiplexing;
Fig. 4 is original three-dimensional body design sketch in embodiment;
Fig. 5 (A) is the three-dimensional body design sketch that three- dimensional panoramic show is carried out in embodiment;
Fig. 5 (B) is the three-dimensional body design sketch that three- dimensional panoramic show is carried out in embodiment.
Embodiment
Embodiment one:This method is imaged using CCD to the object or environment of different visual angles, after imaging Image, carry out the three- dimensional panoramic show based on volume holographicstorage technology;
A kind of three- dimensional panoramic show method based on volume holographicstorage technology, comprises the following steps:
Step 1: the processing of image to be stored:
Step 1, (display) image to be stored split:
(1) obtained n width images are shot if image is one-dimensional scanning:
Step 1.1.1, it is 1 to n by n width images number consecutively;Then according to the direction of scanning by each width image averaging It is divided into n stick, as shown in Fig. 1 (A);
Step 1.1.2, n stick of the 1st width image is designated as 1 respectively1, 12..., 1n, the n stick difference of the 2nd width image It is designated as 21, 22..., 2n, the stick of every piece image is marked successively, until n stick of the n-th width image is designated as respectively n1, n2..., nn
(2) if n width image (characteristic of the n width images obtained according to two-dimensional scan, n that image, which is two-dimensional scan, to be obtained To close number):
Step 1.2.1, it is 1 to n, n=m × p by n width images number consecutively, m, p are integers and m, p are all higher than 1;According to From left to right, the order under upper arranges n width graphical arrangement into m rows p, forms the pattern matrix of m rows p row, i.e., by n width images It is arranged in m rows p row;
Step 1.2.2, each width image averaging is divided into m × p stick, i.e. m rows p row sticks;
Step 1.2.3, a stick is arranged for the m rows p of the 1st width image, successively numbers stick by stick position, will 1st width image presses barrier between different departments;
Step 1.2.4, the n width images for being 1 to n for numbering, are divided each image by stick according to step 1.2.3 Cut;
By taking 6 width images as an example, shown in its dividing method such as Fig. 2 (A), i.e. the segmentation number of each image should be total number of images;
Step 2, (display) image to be stored recombinated:
(1) if one-dimensional scanning shoots n stick of obtained image segmentation:
Step 2.1.1, then first stick of n width images is extracted, and according to picture number reverse order by n First stick of width image is arranged, and forms the first width new images, i.e. n1..., 31, 21, 11
Step 2.1.2, according to step 2.1.1 operation, second stick of n width images is reformulated into the second width and newly schemed Picture;
By that analogy, until n width image nth bar blocks are rearranged successively, the n-th width new images are formed;
N width images are retrieved, as shown in Fig. 1 (B);
(2) if two-dimensional scan shoots m × p stick of obtained image segmentation:
Step 2.2.1, the stick of the column split position of the 1st row the 1st of every piece image in m × p width images is extracted, And according to picture number reverse order by the stick of m × p width images according to being arranged in order into m rows p from left to right, from top to bottom Row, reconstitute a width new images;And the new images that this width reconstitutes are arranged in the 1st row the 1st of m row p row pattern matrixs Row;
Step 2.2.2, the stick of the column split position of the 1st row the 2nd of every piece image in m × p width images is extracted, And according to picture number reverse order by the stick of m × p width images according to being arranged in order into m rows p from left to right, from top to bottom Row, reconstitute a width new images;And the new images that this width reconstitutes are arranged in the 1st row the of the pattern matrix of m rows p row 2 row;
Step 2.2.3, according to step 2.2.1 and step 2.2.2 operation, the like, will be every in m × p width images The stick of i-th row jth column split position of piece image extracts, i=1,2 ..., m, j=1,2 ..., p, and is compiled according to image Number reverse order by the stick of m × p width images according to be arranged in order into from left to right, from top to bottom m rows p row, reconstitute One width new images;And the i-th row jth that the new images that this width reconstitutes are arranged in the pattern matrix of m rows p row arranges;
By taking 6 width images as an example, Fig. 2 (B) is seen;
Step 2: the storage of image reproduces with 3-D view:
For the new images after splitting and recombinate in step 1 as image source, volume holographicstorage light path is used to be answered with displacement Recorded and reproduced with technology.
Multiplexing technology is the general address in volume holographic record field, is divided into displacement multiplexing, angular multiplexed, wavelength multiplexing etc. is multiple With mode, displacement multiplexing is exactly that movement once just records, allows record position to change, angular multiplexed is exactly angle change Once just record;Displacement multiplexing in the invention is exactly to record piece image and just change position to re-record another width figure Picture, it is also one-dimensional square movement if the image of one-dimensional decomposition, when record, if the image of two-dimensional decomposition, just exists Two-dimensional movement in recording medium, the order of record should combine the sequence consensus of distribution with image.
Embodiment two:
Successively numbering stick by stick position described in the step 1.2.3 of present embodiment, the 1st width image is pressed The step of barrier between different departments, is as follows:
For the m rows p row sticks of the 1st width image, stick is pressed into stick position numbering 1 successivelyij, i=1,2 ..., m;J=1,2 ..., p;1ijRepresent the stick of the i-th row jth row of the 1st width image;
By barrier between different departments it is following form by the 1st width image:
Other steps and parameter are identical with embodiment one.
Embodiment three:
By the column split position of the 1st row the 1st of every piece image in m × p width images described in present embodiment step 2.2.1 Stick extract and according to picture number reverse order by the stick of m × p width images according to from left to right, from top to bottom according to It is secondary to be arranged in comprising the following steps that for m rows p row:
Extract the stick 1 of the column split position of the 1st row the 1st of piece image11, the 1st row the 1st row point of the second width image of extraction Cut the stick 2 of position11, the like the stick of the column split position of the 1st row the 1st of every piece image in n=m × p width images is carried Take out;Then according to the reverse order of picture number by the stick of m × p width images according to from left to right, from top to bottom successively M rows p row are arranged in, i.e.,
Other steps and parameter are identical with embodiment one or two.
Embodiment four:
The specific step for using volume holographicstorage light path to be recorded with displacement multiplexing technology described in present embodiment step 2 It is rapid as follows:
Allow the light beam that laser 1 is sent to be expanded by polarization after device 2 expands, light beam is divided into two using Amici prism 3 Beam;
Light beam is irradiated on SLM5 (spatial light modulator) after quarter wave plate 4, and after loading the restructuring on SLM5 New image information, be designated as object light;By quarter wave plate 4 and Amici prism 3 after object light return, object light is made to pass through the first speculum 6 With vertical irradiation storage medium 8 after the first lens 7;
Other light beam is designated as reference light;Make reference light after the second speculum 9 and the second lens 10 with incidence angle 15 ° -60 ° are irradiated in storage medium 8;
Make the object light of vertical irradiation storage medium 8 and with 15 ° -60 ° reference lights being irradiated in storage medium 8 of incidence angle Interference is produced inside storage medium 8;
Above light path forms volume holographicstorage light path, as shown in Figure 3;
Using above-mentioned volume holographicstorage light path by the Infostorage Record after being interfered in storage medium in storage medium 8 On;Storing process is multiplexed using displacement;The layer materials such as polymer, liquid crystal, mineral crystal can be selected in storage medium 8;
If the new image information after restructuring is the new images after one-dimensional scanning segmentation, restructuring, i.e., walked using step 2.1.1- New images after rapid 2.1.2 restructuring, the first lens 7 and the second lens 10 are post lens;Object light relative record medium vertical incidence, The interference position of object light and reference light is linear, and by one-dimensional movement recording medium, whole block material is completed using displacement multiplexing technology Multiplexing recording, often moving recording medium needs to update SLM reconstructed picture, and moving recording order is restructuring new images Sequentially;Shown in information bit such as Fig. 1 (C) after record;
If the new image information after restructuring is the new images after two-dimensional scan segmentation, restructuring, i.e., walked using step 2.2.1- New images after rapid 2.2.3 restructuring, the first lens 7 and the second lens 10 are circle lens or fourier lense;Object light relative record The interference position of medium vertical incidence, object light and reference light is point, complete using displacement multiplexing technology by two-dimensional movement recording medium Into the multiplexing recording of whole block material, often moving a recording medium needs to update SLM reconstructed picture;Moving recording order and change More image must be with the new images sequence consensus after m × p restructuring.
Other steps and parameter are identical with one of embodiment one to three.
Embodiment five:
Volume holographicstorage light path is used to be reproduced with displacement multiplexing technology described in the step of present embodiment two specific Step is as follows:
Using the volume holographicstorage light path, object light light beam is sheltered from, while removes the second lens in reference light light path (10) reference light is directly incident on the whole breadth of storage medium (8), then can show that original on original light transmission direction The three-dimensional hologram of beginning image, i.e., the three-dimensional hologram of image to be stored.
Other steps and parameter are identical with one of embodiment one to four.
Embodiment
Using the three-dimensional teapot of a simulation as research object, as shown in figure 4, in horizontal one-dimensional square with 2 ° between angle Every acquiring 80 width two-dimension pictures successively.Using Fig. 1 (A), (B), (C) the one dimensional image segmentation introduced and reorganization scheme, obtain The 80 width images arrived after restructuring.
Using the recording beam path shown in Fig. 3, record condition is:Two beam recording light angles are 35 °, light beam power 2.5mw, Recording medium uses the acrylamide photopolymer that thickness is 2cm × 2cm for 300 microns, breadth, and one dimension displacement is multiplexed with 126 microns, the time for exposure of each width image record is 2 seconds.We recorded 80 width images in recording medium successively, complete Image records.Hereafter, using the light path, object light is blocked, the post lens in reference light light path is removed, is seen in object light transmission direction Observe the three-dimensional hologram of teapot.Fig. 5 (A) and (B) are the teapot pictures that both direction is seen, it can clearly be seen that phase is distinguished.
Because experiment condition limits, this experiment use only the cutting recording of 80 width images, so resolution ratio is lower slightly.This hair Bright middle image segmentation number is bigger, and resolution ratio is higher.

Claims (4)

  1. A kind of 1. three- dimensional panoramic show method based on volume holographicstorage technology, it is characterised in that comprise the following steps:
    Step 1: the processing of image to be stored:
    Step 1, image to be stored split:
    (1) obtained n width images are shot if image is one-dimensional scanning:
    Step 1.1.1, it is 1 to n by n width images number consecutively;Then each width image averaging is divided into n according to the direction of scanning Individual stick;
    Step 1.1.2, n stick of the 1st width image is designated as 1 respectively1, 12..., 1n, n stick of the 2nd width image be designated as respectively 21, 22..., 2n, the stick of every piece image is marked successively, until n stick of the n-th width image is designated as n respectively1, n2..., nn
    (2) if the n width images that image, which is two-dimensional scan, to be obtained:
    Step 1.2.1, it is 1 to n, n=m × p by n width images number consecutively, m, p are integers and m, p are all higher than 1;According to from a left side N width graphical arrangement is arranged into m rows p to order right, under upper, forms the pattern matrix of m rows p row, i.e., by n width graphical arrangements Arranged into m rows p;
    Step 1.2.2, each width image averaging is divided into m × p stick, i.e. m rows p row sticks;
    Step 1.2.3, a stick is arranged for the m rows p of the 1st width image, successively numbered stick by stick position, by the 1st Width image presses barrier between different departments;
    Step 1.2.4, the n width images for being 1 to n for numbering, are split each image by stick according to step 1.2.3;
    Step 2, image to be stored recombinated:
    (1) if one-dimensional scanning shoots n stick of obtained image segmentation:
    Step 2.1.1, then first stick of n width images is extracted, and according to picture number reverse order by n width figures First stick of picture is arranged, and forms the first width new images, i.e. n1..., 31, 21, 11
    Step 2.1.2, according to step 2.1.1 operation, second stick of n width images is reformulated into the second width new images;
    By that analogy, until n width image nth bar blocks are rearranged successively, the n-th width new images are formed;
    Retrieve n width images;
    (2) if two-dimensional scan shoots m × p stick of obtained image segmentation:
    Step 2.2.1, the stick of the column split position of the 1st row the 1st of every piece image in m × p width images is extracted, and pressed The stick of m × p width images is arranged according to m rows p is arranged in order into from left to right, from top to bottom according to the reverse order of picture number, Reconstitute a width new images;And the 1st row the 1st that the new images that this width reconstitutes are arranged in m row p row pattern matrixs arranges;
    Step 2.2.2, the stick of the column split position of the 1st row the 2nd of every piece image in m × p width images is extracted, and pressed The stick of m × p width images is arranged according to m rows p is arranged in order into from left to right, from top to bottom according to the reverse order of picture number, Reconstitute a width new images;And the new images that this width reconstitutes are arranged in the 1st row the 2nd of the pattern matrix of m rows p row Row;
    Step 2.2.3, according to step 2.2.1 and step 2.2.2 operation, the like, by each width in m × p width images The stick of i-th row jth column split position of image extracts, i=1,2 ..., m, j=1,2 ..., p, and according to picture number The stick of m × p width images according to m rows p row are arranged in order into from left to right, from top to bottom, is reconstituted a width by reverse order New images;And the i-th row jth that the new images that this width reconstitutes are arranged in the pattern matrix of m rows p row arranges;
    Step 2: the storage of image reproduces with 3-D view:
    For the new images after splitting and recombinate in step 1 as image source, volume holographicstorage light path is used to be multiplexed skill with displacement Art is recorded and reproduced;
    It is described to use volume holographicstorage light path to be comprised the following steps that with what displacement multiplexing technology was recorded:
    Allow the light beam that laser (1) is sent to be expanded by polarization after device (2) expands, be divided into light beam using Amici prism (3) Two beams;
    Light beam is irradiated on SLM (5) after quarter wave plate (4), and loads the new image information after the restructuring on SLM (5), It is designated as object light;By quarter wave plate (4) and Amici prism (3) after object light return, object light is made to pass through the first speculum (6) and first Lens (7) vertical irradiation storage medium (8) afterwards;
    Other light beam is designated as reference light;Make reference light after the second speculum (9) and the second lens (10) with incidence angle 15 ° -60 ° are irradiated in storage medium (8);
    Make the object light of vertical irradiation storage medium (8) and with 15 ° -60 ° reference lights being irradiated in storage medium (8) of incidence angle Interference is produced inside storage medium (8);
    Above light path forms volume holographicstorage light path;
    Using above-mentioned volume holographicstorage light path by the Infostorage Record after being interfered in storage medium in storage medium (8) On;Storing process is multiplexed using displacement;
    If the new image information after restructuring is the new images after one-dimensional scanning segmentation, restructuring, i.e., using step 2.1.1- steps 2.1.2 the new images after recombinating, the first lens (7) and the second lens (10) are post lens;Object light relative record medium vertically enters Penetrate, the interference position of object light and reference light is linear, and by one-dimensional movement recording medium, monoblock material is completed using displacement multiplexing technology The multiplexing recording of material, often moving a recording medium needs to update SLM reconstructed picture, and moving recording order is restructuring new images Order;
    If the new image information after restructuring is the new images after two-dimensional scan segmentation, restructuring, i.e., using step 2.2.1- steps 2.2.3 the new images after recombinating, the first lens (7) and the second lens (10) are circle lens or fourier lense;Object light is relative to be remembered The interference position of recording medium vertical incidence, object light and reference light is point, by two-dimensional movement recording medium, utilizes displacement multiplexing technology The multiplexing recording of whole block material is completed, often moving a recording medium needs to update SLM reconstructed picture;Moving recording order and Altered Graphs picture must be with the new images sequence consensus after m × p restructuring.
  2. A kind of 2. three- dimensional panoramic show method based on volume holographicstorage technology according to claim 1, it is characterised in that Successively numbering stick by stick position described in step 1.2.3, the step of the 1st width image is pressed into barrier between different departments, is as follows:
    For the m rows p row sticks of the 1st width image, stick is pressed into stick position numbering 1 successivelyij, i=1,2 ..., m;j =1,2 ..., p;1ijRepresent the stick of the i-th row jth row of the 1st width image;
    By barrier between different departments it is following form by the 1st width image:
  3. 3. a kind of three- dimensional panoramic show method based on volume holographicstorage technology according to claim 1 or 2, its feature exist In described in step 2.2.1 by the stick of the column split position of the 1st row the 1st of every piece image in m × p width images extract and by According to picture number reverse order by the stick of m × p width images according to be arranged in order into from left to right, from top to bottom m rows p row Comprise the following steps that:
    Extract the stick 1 of the column split position of the 1st row the 1st of piece image11, the column split position of the 1st row the 1st of the second width image of extraction Stick 211, the like the stick of the column split position of the 1st row the 1st of every piece image in n=m × p width images is extracted Come;Then according to the reverse order of picture number by the stick of m × p width images according to being arranged in order from left to right, from top to bottom Arranged into m rows p, i.e.,
  4. A kind of 4. three- dimensional panoramic show method based on volume holographicstorage technology according to claim 1, it is characterised in that Volume holographicstorage light path is used to be comprised the following steps that with what displacement multiplexing technology was reproduced described in step 2:
    Using the volume holographicstorage light path, object light light beam is sheltered from, while removes the second lens (10) in reference light light path, Reference light is directly incident on the whole breadth of storage medium (8), then can show that original graph on original light transmission direction The three-dimensional hologram of picture, i.e., the three-dimensional hologram of image to be stored.
CN201510874896.0A 2015-12-02 2015-12-02 A kind of three- dimensional panoramic show method based on volume holographicstorage technology Active CN105319936B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671073A (en) * 1995-02-15 1997-09-23 California Institute Of Technology Holographic storage using shift multiplexing
US5978112A (en) * 1995-02-15 1999-11-02 California Institute Of Technology Non-volatile readout of shift multiplexed holograms
CN1741598A (en) * 2005-06-07 2006-03-01 哈尔滨工业大学 Anaclasis variant holographic phase multiplexing storing and relative identifying method and system thereof
CN101013577A (en) * 2007-02-02 2007-08-08 清华大学 Method for improving precision of volume holographic correlator by image pretreatment
CN101635150A (en) * 2009-08-26 2010-01-27 哈尔滨工业大学 Small spherical wave body hologram memory system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08307699A (en) * 1995-05-12 1996-11-22 Kokusai Electric Co Ltd Image processing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5671073A (en) * 1995-02-15 1997-09-23 California Institute Of Technology Holographic storage using shift multiplexing
US5978112A (en) * 1995-02-15 1999-11-02 California Institute Of Technology Non-volatile readout of shift multiplexed holograms
CN1741598A (en) * 2005-06-07 2006-03-01 哈尔滨工业大学 Anaclasis variant holographic phase multiplexing storing and relative identifying method and system thereof
CN101013577A (en) * 2007-02-02 2007-08-08 清华大学 Method for improving precision of volume holographic correlator by image pretreatment
CN101635150A (en) * 2009-08-26 2010-01-27 哈尔滨工业大学 Small spherical wave body hologram memory system

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