CN202631968U - Holographic image synthesis system - Google Patents
Holographic image synthesis system Download PDFInfo
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- CN202631968U CN202631968U CN 201220221460 CN201220221460U CN202631968U CN 202631968 U CN202631968 U CN 202631968U CN 201220221460 CN201220221460 CN 201220221460 CN 201220221460 U CN201220221460 U CN 201220221460U CN 202631968 U CN202631968 U CN 202631968U
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Images
Abstract
The utility model provides a holographic image's synthesis system, it includes a luminescence unit, a beam split unit, a reference light unit, an image production unit, an object light unit and a film, wherein, the reference light wave of being exported by the reference light unit has the image information of target object and incides to the film, can reduce the number of times that the film is repeatedly exposed, improves the luminance of the holographic image of rebuilding.
Description
Technical field
The utility model is relevant for a kind of synthesis system of hologram sheet, particularly relevant for a kind of synthesis system of optical holography sheet.
Background technology
Existing optical holographic sheet utilizes one people having the same aspiration and interest illumination to penetrate object, the reverberation on the object plane or directly penetrate light be thing light can directive photosensitive planographic; And then utilize this bundle with another part of light modulation as a reference light be incident upon on the photosensitive planographic; Because thing light and reference light are from a branch of people having the same aspiration and interest light, so can on photosensitive planographic, form interference (Interference), form the interference fringe of many light and shades; Photosensitive planographic can write down these figure and form a hologram sheet; Wherein the meaning of the shape representative of interference pattern is the phase relation between thing light and the reference light, and its light and shade contrasts degree, has then reflected the strength relationship of light beam.
In the optical pickup system of existing collar plate shape composite holographic art, comprised a cylindrical lens, the hologram sheet that therefore each shooting and producing goes out is a long and narrow fan-shaped little hologram sheet.When the observer watched reconstructed image, whole image was to combine through the partial image that many little hologram sheets are rebuild, so can produce deformation of image inevitably.Again, it is above that overlapping that the image of reconstruction has the dark line of a rule, promptly so-called " fence effect ".
Again, existing so-called imaging surface collar plate shape composite holographic art is different from collar plate shape composite holographic art part, is that it with simple optical system, has removed cylindrical lens, with the mode of object image with repeated exposure, images on the holofilm face.But egative film receives repeated exposure, and its image brilliance that possibly cause rebuilding is not enough, causes the ornamental of hologram not good, and can't produce the reconstructed image of large-size.Therefore, be necessary that the problem that is caused for the egative film repeated exposure proposes the method that solves.
The utility model content
One of technical matters that the utility model will solve is; To the above-mentioned deficiency that prior art exists, a kind of synthesis system of hologram is provided, can form the reference light of the image information that has target object; Produce unnecessary interference fringe to reduce reference light in egative film and thing light; And then the number of times of repeated exposure on the minimizing egative film, improving the brightness of reconstructed image, and can be applicable to make large-sized hologram sheet.
One of technical matters that the utility model will solve is; Above-mentioned deficiency to the prior art existence; A kind of synthesis system of hologram is provided, can forms the reference light of the image information that has target object, and cooperate on the light path that utilizes before the semicolumn mirror is arranged at thing light arrival egative film; Produce unnecessary interference fringe to reduce thing light in egative film and reference light; And then the number of times of repeated exposure on the minimizing egative film, improving the brightness of reconstructed image, and can be applicable to make large-sized hologram sheet.
One of technical matters that the utility model will solve is; To the above-mentioned deficiency that prior art exists, a kind of synthesis system of hologram is provided, can form the reference light of the image information that has target object; And cooperate the mode utilize image to detach; Make the pixel value of two frame images of target object reduce and complementary, reduce thing light and produce unnecessary interference fringe in egative film and reference light, and then the number of times of repeated exposure on the minimizing egative film; With the brightness of raising reconstructed image, and can be applicable to make large-sized hologram sheet.
The utility model solution technical scheme that its technical matters adopted provides a kind of synthesis system of hologram, and it comprises: the together luminescence unit of light modulation bundle is provided; The spectrophotometric unit that this people having the same aspiration and interest light beam is divided into a reference beam and a thing light light beam; The reference light unit; The image generation unit; Thing light unit and egative film.This reference light unit comprises the image generator, and this image generator receives this reference beam has the image information of a target object with output a reference light light wave.This image generation unit provides at least one image of this target object.This thing light unit guides to this image generation unit to produce a thing light light wave with this thing light light beam.On this reference light light wave and this this egative film of thing light light wave incident to produce many interference fringes.
Preferably, this luminescence unit comprises gas laser transmitter, carbon dioxide laser transmitter, liquid generating laser, solid-state laser transmitter or semiconductor laser transmitter.
Preferably, this people having the same aspiration and interest light beam comprises a visible light beam or an invisible light light beam.
Preferably, this spectrophotometric unit comprises the beam separation mirror.
Preferably; This image generation unit comprises the electronic installation that can handle image; To export one first monochromatic composition picture and one second monochromatic composition picture, one first monochrome of this first monochromatic composition picture differs from one second monochrome of this second monochromatic composition picture to this electronic installation that can handle image with this image color separation processing.Again; This thing light unit comprises the angular setting element; This angular setting element adjustment has this thing light light wave of this first monochromatic composition picture or this second monochromatic composition picture and the angle degree between this reference light light wave; Make under the fixing condition of the incident angle of this reference light light wave, this angle degree of this thing light light wave that should the first monochromatic composition picture is differed from this angle degree to this thing light light wave that should the second monochromatic composition picture.
Preferably; This thing light unit comprises the thing photoimaging system with half cylindrical lens; This thing light light wave is through this egative film of incident behind this semicolumn mirror, and this egative film is arranged near the field depth of focal plane distance of this thing photoimaging system but does not comprise that this focal plane distance is last.
Preferably; This image generation unit is with one first image and one second image of this target object of setting acquisition of an acquisition pixel; And handle behind this first image and this second image by this thing light light beam projection to produce this thing light light wave with the setting of a projected pixel, wherein the pixel value of this projected pixel is less than the pixel value of this acquisition pixel.Again, this image information based on this first image of this projected pixel is complementary to the image information based on this second image of this projected pixel.
Preferably, this egative film is plane, discoid, cylindric or coniform.
Preferably, this image comprises the multiframe image of this target object, and those frame images are by obtaining from this target object of difference acquisition visual angle acquisition.
The synthesis system of the utility model hologram has the reference light of the image information of target object through formation; Produce unnecessary interference fringe to reduce reference light in egative film and thing light; And then the number of times of repeated exposure on the minimizing egative film; With the brightness of raising reconstructed image, and can be applicable to make large-sized hologram sheet.In addition; The synthesis system of the utility model hologram is when formation has the reference light of image information of target object; Also can select to cooperate and utilize the semicolumn mirror to be arranged on the light path before thing light arrives egative film and/or the mode of utilizing image to detach makes the pixel value of two frame images of target object reduce and mode such as complementation; Reduce reference light further and produce unnecessary interference fringe in egative film and thing light; And then the number of times of repeated exposure on the minimizing egative film, to improve the brightness of reconstructed image.
Description of drawings
Fig. 1 is the system schematic of one first embodiment of the utility model.
Fig. 2 is the system schematic of one second embodiment of the utility model.
Fig. 3 is the thing light unit of one second embodiment of the utility model and the synoptic diagram that egative film is provided with distance.
Fig. 4 is the egative film first exposure synoptic diagram of one second embodiment of the utility model.
Fig. 5 is projection image's synoptic diagram of the utility model.
Fig. 6 is an egative film second exposure synoptic diagram of the utility model.
Fig. 7 is the system schematic of one the 3rd embodiment of the utility model.
Embodiment
The synthesis system of alleged hologram below the utility model can be applied to the holographic synthesis system of different image-forming principles, for example rainbow holography sheet, reflective holographic sheet, various visual angles hologram sheet, very color hologram sheet or long-pending accepted way of doing sth hologram sheet or the like.Though below listed be specific holographic synthesis system in graphic, so this is not in order to limit the range of application of the utility model only in order to the technology of explanation the utility model.
Alleged reference light angle below the utility model is meant the angle of reference light and egative film normal, when egative film is a plane; Normal is single, but is rolled into when cylindric or coniform when egative film, and normal then has many; Right the utility model is not limited thereto; The angle that also can adopt reference light and egative film tangent plane is as definition, and in the utility model, the reference light angle is a fixing angle.
Fig. 1 is the system schematic of a preferred embodiment of the utility model.With reference to Fig. 1, the synthesis system 2 of hologram comprises a luminescence unit 10, spectrophotometric unit 12, reference light unit 14, image generation unit 16, thing light unit 18 and an egative film 20.
Secondly; Reference light unit 14 more comprises an image generator 148; Reference beam 121 is inducted into projection by optical element 146 ' forms the reference light light wave 141 that has target image information and process lens combination 144 as generator 148 backs; The reference light light wave 141 that so can reduce the outer zone of corresponding target image is incident on the egative film 20, and then reduces the generation of unnecessary interference fringe and the number of times of repeated exposure.
Secondly; Among this embodiment; Because reference light unit 14 is provided with image generator 148 has target image information with generation reference light light wave 141; Therefore, imaging apparatus 164 picked image 161 also can be connected with image generator 148, or the electronic installation 166 that can handle image finishes image 161 the image generator 148 that is resent to reference light unit 14 after the image processing.
Moreover, imagescope 168, for example a LCD screen can show the image 163 after the electronic installation 166 that can handle image is handled.
Then, thing light unit 18 will guide to image generation unit 16 from the thing light light beam 123 of beam split unit 12 to produce a thing light light wave 181.In the utility model, thing light unit 18 comprises some optical elements, for example but be not limited to, lens 182 or catoptron 184, the imagescope 168 that thing light light beam 123 is guided to image generation unit 16 looks like into thing light light wave 181 to be output into.
Then, reference light light wave 141 and thing light light wave 181 incident egative films 20 are to form many interference fringes on egative film 20.According to above-mentioned, the reference light light wave 141 that has image information can reduce the number of times of egative film repeated exposure, can improve the brightness of rebuilding hologram.
Fig. 2 is the system schematic of one second embodiment of the utility model.With the difference of first embodiment, be that the thing light unit 18 ' of the synthesis system 4 of hologram comprises half cylindrical lens 186 and the lens combination 182 of mating, form suitable thing photoimaging system.Please be simultaneously with reference to figure 3; So-called thing light unit 181 comprises suitable thing photoimaging system; Be that the focal plane is positioned at suitable distance; The center of going up with range semicircle post mirror 186 in figure is that d1 representes, but the egative film 20 of the utility model is not arranged at the focal plane of thing photoimaging system apart from producing interference on the d1.The egative film 20 of the utility model is to be arranged at the position of an out of focus of contiguous focal plane apart from d2 or d3, also is in a depth of field (the depth of field) scope (between d2 and d3) of this thing photoimaging system.When egative film 20 is arranged at this out of focus distance last time, thing light light wave still can reconstruct the cognizable hologram of human eye with the interference fringe of reference light light wave formation.
With reference to figure 4; The thing light unit of the utility model adopts the semicolumn mirror 186 and the lens combination 182 of coupling to form suitable thing photoimaging system; When egative film 20 being placed the field depth of thing photoimaging system but do not comprise that the distance of focal plane is last, the scope of on egative film, making public is respectively exposure interference region 163a, 163b.Be noted that exposure interference region 163a, 163b are respectively first image and second image of the different visual angles of a target object, it can pass through aforesaid image and detach processing or do not detach processing through image.After the formed thing photoimaging of the lens combination 182 of the right semicolumn mirror 186 that sees through the utility model and the coupling system; The exposure interference region 163a, 163b that are incident to the thing light light wave of egative film 20 are less than the existing system that semicolumn mirror or cylindrical lens are not set; Therefore can reduce the number of times that egative film is repeated to make public, and then obtain the higher reconstructed image of brightness.Except reducing the number of times that egative film is repeated to make public, the utility model more is superior to existing system person is egative film is arranged at field depth, can eliminate fence effect, makes the interference fringe that is write down on the egative film can reconstruct the cognizable sharp image of human eye.
Again, first embodiment, second embodiment or after the image processing explanation adopted of the electronic installation 166 of the image handled of image generation unit 16 of synthesis system of the hologram stated as after.
With reference to figure 5, comprise that at image under the situation of image of multiframe different angles, every frame image has identical two-dimensional pixel array (acquisition pixel) after acquisition.The mode that the utility model takes to reduce the pixel of image reduces the number of times that egative film in the future is repeated to make public, and for example image detaches the mode of pixel.For instance; Imaging apparatus is with the front and back three frame images of the setting acquisition target object 162 of an acquisition pixel 10*10; Every frame image becomes image 163 after detaching processing through image; According to the shooting order, image 163 be first frame handled image 1631 time, only the retaining projection pixel 16311,16312; Image 163 be second frame handled image 1632 time, only the retaining projection pixel 16321,16322; Image 163 be the 3rd frame handled image 1633 time, only the retaining projection pixel 16331,16332.Above-mentioned projected pixel 16311,16312,16321,16322,16331,16332 is the complete various visual angles image of the image information of complementation with construction target object 162.Be less than the pixel value that captures pixel so every frame image 163 (1631,1632,1633) process image detaches the pixel value of the projected pixel after the processing, but every frame image all there are whole profiles of target object 162.Be to adopt the mode of rule to reduce pixel quantity and take into account complementary image information with, the utility model, wherein every frame image need keep the projected pixel of how much quantity, and then viewable design is required.
According to above-mentioned; In fact, on the one hand, the processing that image detaches pixel can't cause the image after the reconstruction to have tangible discontinuous situation; On the other hand; Every frame image reduces pixel, can reduce the number of times of follow-up egative film repeated exposure, therefore can avoid many traditional hologram sheets too much can't present its effect or shortcoming undersized and that brightness is not enough because of exposure frequency.
With reference to figure 6; On the egative film 20; The thing light light wave 181 incident egative films 20 and the reference light light wave 141 of corresponding image 1631 produces the zone of interfering and is exposure interference region 16311 ', 16312 '; Wherein make public interference region 16311 ' for writing down the image information of projected pixel 16311, the exposure interference region 16312 ' image information for record projected pixel 16312.Because thing light light wave 181 detaches processing through image, therefore when recording image 1631, exposure interference region 16311 ', 16312 ' zone does not in addition produce interference.In like manner, the thing light light wave 181 of corresponding image 1632, it produces the zone of interfering and is exposure interference region 16321 ', 16322 '; The thing light light wave 181 of corresponding image 1633, it produces the zone of interfering and is exposure interference region 16331 ', 16332 '.Therefore, said method can reduce the repeated exposure number of times of the position of no projected pixel.
Be noted that; The setting of the semicolumn mirror 186 of the utility model or the mode that image detaches all can reduce the number of times of the repeated exposure of egative film, for the single frames image or the image of negligible amounts frame; Can adopt the setting of semicolumn mirror 186 or the mode that image detaches; For multiframe image person, can use this dual mode simultaneously in system, to obtain the higher and reconstructed image clearly of brightness.
Detach at image application under the advantage of the repeated exposure of handling image and semicolumn mirror minimizing egative film; Even can be with photologging certain location on egative film 20; For example when egative film 20 is a discoid egative film, photologging on specific disc radius, then can be comprised the image of other target object on different radiuses; So can produce the image of branch track; When being reconstructed image, can be observed the target image that different tracks is noted, more changeableization of image that makes reconstruction.
For instance; Tradition is taken and is made hologram sheet down, because of the repeated exposure of considering egative film causes diffraction efficient not good, therefore only can make the hologram sheet of reduced size target object; But the image of using the utility model detaches the mode of pixel; Reduce the repeated exposure number of times of egative film, even can be the image that target object is made multichannel (multi-channel), or make image from various visual angles has dynamic effect with generation image.The effect of above-mentioned reconstructed image, the image that can rebuild by 15 ~ 45 degree view of observer for example, or the different observers that is positioned at before the egative film is observed different reconstructed images.
Fig. 7 is the system schematic of one the 3rd embodiment of the utility model.Target object 162 for colour; Image processing in the synthesis system 6 of the hologram of the 3rd embodiment can comprise image 161 color separation processing; To separate each color pixel in the image; And then one first monochromatic composition picture of integrated images 161 and one second monochromatic composition picture, wherein one first monochrome of this first monochromatic composition picture differs from one second monochrome of this second monochromatic composition picture.For instance, image is divided into redness, green and blue bidimensional image with respectively as the first monochromatic composition picture, the second monochromatic composition picture and the 3rd monochromatic composition picture.Image 163 can be the image that frame detaches through image before and after the different visual angles, or the first monochromatic composition picture, the second monochromatic composition picture and the 3rd monochromatic composition picture of process color separation processing.
For the target color object, thing light unit 18 " can more comprise angular setting element 188, one or more catoptron that the driver module of for example arranging in pairs or groups is adjusted is used the angle that adjustment thing light light wave 181 is incident to egative film 20.For instance; The aforementioned first monochromatic composition picture, the second monochromatic composition look like to be respectively red composition picture, green composition as the time; Then angular setting element 188 adjustment thing light light waves 181 are incident to the angle of egative film 20; Make that the thing light light wave 181 of corresponding red composition picture and the angle degree of reference light light wave 141 are one first folder degree, the thing light light wave 181 of corresponding green composition picture is one second angle degree with the angle degree of reference light light wave 141; In like manner; The thing light light wave 181 of corresponding blue light ingredient picture is one the 3rd angle degree with the angle degree of reference light light wave 141; Wherein the angle of reference light light wave 141 incident egative films 20 does not change; Therefore be the thing light light wave 181 of corresponding different color light composition picture by adjustment person, and corresponding three colour contents look like to be incident to the exposure area of egative film 20 can be identical, overlap or not overlapping.
The optical system adjustment that lid is taken because of holography is difficult for; In case when fixing back desire was adjusted an optical element wherein, the reconstruction light path was quite time-consuming, the utility model is before thing light light wave gets into egative film; Utilize the incident angle of angular setting element 188 adjustment thing light; The advantage of this kind adjustment mode is that it is fixing that the optical system of imaging can keep, and reduces the time of rebuilding light path.Moreover; According to above-mentioned; Change the different monochromatic composition pictures and the fixing angle degree of the reference light light wave of incident angle, thing light light wave and reference light light wave are incident to egative film forming interference fringe, when utilizing the image of egative film reconstructed object object; Reference light source is fixed, the colored effect of reconstructed image performance that is appeared.
Though the utility model is described by the foregoing description, but still can change its form and detailing, reaches in the creation spirit that does not break away from the utility model.Those skilled in the art are understandable; The preferred embodiment of above-mentioned the utility model; Be merely one of mode that can practical implementation by the principle of the utility model, but not as restriction, should define according to the utility model claim scope and be as the criterion.
Claims (11)
1. the synthesis system of a hologram is characterized in that, comprising:
Luminescence unit provides together light modulation bundle;
Spectrophotometric unit is divided into a reference beam and a thing light light beam with this people having the same aspiration and interest light beam;
The reference light unit, it comprises the image generator, this image generator receives this reference beam has the image information of a target object with output a reference light light wave;
The image generation unit, it provides at least one image of this target object;
Thing light unit guides to this image generation unit to produce a thing light light wave with this thing light light beam; And
Egative film, on this reference light light wave and this this egative film of thing light light wave incident to produce many interference fringes.
2. the synthesis system of hologram as claimed in claim 1 is characterized in that, this luminescence unit comprises gas laser transmitter, liquid generating laser, solid-state laser transmitter or semiconductor laser transmitter.
3. the synthesis system of hologram as claimed in claim 1 is characterized in that, this people having the same aspiration and interest light beam comprises a visible light beam or an invisible light light beam.
4. the synthesis system of hologram as claimed in claim 1 is characterized in that, this spectrophotometric unit comprises the beam separation mirror.
5. the synthesis system of hologram as claimed in claim 1; It is characterized in that; This image generation unit comprises the electronic installation that can handle image; To export one first monochromatic composition picture and one second monochromatic composition picture, one first monochrome of this first monochromatic composition picture differs from one second monochrome of this second monochromatic composition picture to this electronic installation that can handle image with this image color separation processing.
6. the synthesis system of hologram as claimed in claim 5; It is characterized in that; This thing light unit comprises the angular setting element; This angular setting element adjustment has this thing light light wave of this first monochromatic composition picture or this second monochromatic composition picture and the angle degree between this reference light light wave; Make under the fixing condition of the incident angle of this reference light light wave, this angle degree of this thing light light wave that should the first monochromatic composition picture is differed from this angle degree to this thing light light wave that should the second monochromatic composition picture.
7. the synthesis system of hologram as claimed in claim 1; It is characterized in that; This thing light unit comprises the thing photoimaging system with half cylindrical lens; This thing light light wave is through this egative film of incident behind this semicolumn mirror, and this egative film is arranged near the field depth of focal plane distance of this thing photoimaging system but does not comprise that this focal plane distance is last.
8. the synthesis system of hologram as claimed in claim 1; It is characterized in that; This image generation unit is with one first image and one second image of this target object of setting acquisition of an acquisition pixel; And handle behind this first image and this second image by this thing light light beam projection to produce this thing light light wave with the setting of a projected pixel, wherein the pixel value of this projected pixel is less than the pixel value of this acquisition pixel.
9. the synthesis system of hologram as claimed in claim 8 is characterized in that, is complementary to the image information based on this second image of this projected pixel based on this image information of this first image of this projected pixel.
10. the synthesis system of hologram as claimed in claim 1 is characterized in that, this egative film is plane, discoid, cylindric or coniform.
11. the synthesis system of hologram as claimed in claim 1 is characterized in that, this image comprises the multiframe image of this target object, and those frame images are by obtaining from this target object of difference acquisition visual angle acquisition.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101206950 | 2012-04-13 | ||
| TW101206950U TWM435629U (en) | 2012-04-13 | 2012-04-13 | System of forming holographic image |
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| Publication Number | Publication Date |
|---|---|
| CN202631968U true CN202631968U (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220221460 Expired - Lifetime CN202631968U (en) | 2012-04-13 | 2012-05-16 | Holographic image synthesis system |
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| CN (1) | CN202631968U (en) |
| TW (1) | TWM435629U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376724A (en) * | 2012-04-13 | 2013-10-30 | 宇隆光电股份有限公司 | Holographic image synthesis system |
| CN104614671A (en) * | 2015-02-02 | 2015-05-13 | 苏州市计量测试研究所 | Calibration aiding device for time relay and calibration method |
| CN109119007A (en) * | 2018-09-17 | 2019-01-01 | 北京唐冠天朗科技开发有限公司 | A kind of product multidimensional display systems and method and application |
-
2012
- 2012-04-13 TW TW101206950U patent/TWM435629U/en unknown
- 2012-05-16 CN CN 201220221460 patent/CN202631968U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376724A (en) * | 2012-04-13 | 2013-10-30 | 宇隆光电股份有限公司 | Holographic image synthesis system |
| CN103376724B (en) * | 2012-04-13 | 2016-04-27 | 宇隆光电股份有限公司 | Holographic image synthesis system |
| CN104614671A (en) * | 2015-02-02 | 2015-05-13 | 苏州市计量测试研究所 | Calibration aiding device for time relay and calibration method |
| CN109119007A (en) * | 2018-09-17 | 2019-01-01 | 北京唐冠天朗科技开发有限公司 | A kind of product multidimensional display systems and method and application |
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| Publication number | Publication date |
|---|---|
| TWM435629U (en) | 2012-08-11 |
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