CN115150601A - Multifunctional medium-free projection system and application method - Google Patents
Multifunctional medium-free projection system and application method Download PDFInfo
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- CN115150601A CN115150601A CN202210786677.7A CN202210786677A CN115150601A CN 115150601 A CN115150601 A CN 115150601A CN 202210786677 A CN202210786677 A CN 202210786677A CN 115150601 A CN115150601 A CN 115150601A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003702 image correction Methods 0.000 claims abstract description 21
- 230000003993 interaction Effects 0.000 claims abstract description 21
- 238000003709 image segmentation Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3161—Modulator illumination systems using laser light sources
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/608—Fluid screens
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
- G03B35/20—Stereoscopic photography by simultaneous viewing using two or more projectors
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
- G03H1/2202—Reconstruction geometries or arrangements
- G03H1/2205—Reconstruction geometries or arrangements using downstream optical component
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/363—Image reproducers using image projection screens
Abstract
A multifunctional medium-free projection system comprises a plurality of sets of airflow laser holographic projection equipment bodies and a processor, and is also provided with a display platform, an image output unit, an image segmentation unit, an image correction unit, an image splicing unit, an image projection unit, an interaction unit and a data acquisition unit; the display table is annularly provided with background objects, a plurality of sets of airflow laser holographic projection equipment bodies are arranged at the lower end in the display table, and the image output unit, the image segmentation unit, the image correction unit, the image splicing unit, the image projection unit, the interaction unit and the data acquisition unit are software arranged in the processor. The application method of the multifunctional medium-free projection system comprises four steps. The invention can split the video and then carry out splicing three-dimensional display, so that a viewer can see better three-dimensional images at all visual angles and can interact with the images, the invention has background equipment for various images, and related units can control the three-dimensional images to interact with the images, thereby improving the display effect of the three-dimensional video.
Description
Technical Field
The invention relates to the technical field of projection equipment, in particular to a multifunctional medium-free projection system and an application method thereof.
Background
The laser holographic projection equipment based on the air flow (all contents are called as air flow laser holographic projection equipment in the following) is more convenient to apply and can bring better holographic video experience to people due to the fact that the air flow is used as a display medium and a curtain and the like are not needed to be used as the display medium. Although the existing airflow laser holographic projection equipment brings better video experience to people to a certain extent, due to technical limitation, certain defects exist in practical application, and the specific embodiment is as follows. Firstly: because only one set of airflow laser holographic projection equipment is adopted, the stereoscopic impression of the projected video image is insufficient, and the defects that the video information is watched at the side end, the rear end and the like of the equipment and the like are more obvious. Secondly, the method comprises the following steps: when the method is applied to a large holographic video display area (such as a large exhibition), the method cannot play a role in atmosphere backing up outside the display video. Thirdly, performing secondary filtration; : people cannot interact with the content displayed by the video, and cannot achieve better interaction effect. In summary, there is still much room for improvement in the conventional air-flow laser hologram projection apparatus.
Disclosure of Invention
In order to overcome the defects of the prior airflow laser holographic projection equipment due to the structural and functional limitations, the invention provides a multifunctional medium-free projection system and an application method thereof, wherein the multifunctional medium-free projection system is based on a plurality of airflow laser holographic projection equipment bodies, and can divide a displayed video and perform three-dimensional display under the action of related mechanisms and software units in application, so that a viewer can see better three-dimensional holographic images at various visual angles, can interact with the video images and has various image backgrounds, thereby improving the three-dimensional video display effect and bringing better video experience effect to the viewer.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multifunctional medium-free projection system comprises a plurality of sets of airflow laser holographic projection equipment bodies and a processor, and is characterized by also comprising a display stand, an image output unit, an image segmentation unit, an image correction unit, an image splicing unit, an image projection unit, an interaction unit and a data acquisition unit; the display stand is of a hollow structure, background objects are annularly distributed on the display stand, a plurality of sets of airflow laser holographic projection equipment bodies are annularly and equidistantly distributed at the lower end in the display stand, and the projection surfaces face to the space at the upper end in the display stand; the image output unit, the image segmentation unit, the image correction unit, the image splicing unit, the image projection unit, the interaction unit and the data acquisition unit are application software installed in a processor, the processor is installed in an electrical control box, the video input ends of a plurality of sets of airflow laser holographic projection equipment bodies are electrically connected with the video output end of the processor, and the power supply input end of a background object is electrically connected with the multi-path power supply output end of the processor respectively; a method for applying a multifunctional medium-free projection system comprises the following steps that A, an image output unit collects video data of external video equipment and outputs the video data to an image segmentation unit; b, the image segmentation unit segments each frame of input video image data and outputs the segmented video image data to the image splicing unit; c: the image splicing unit outputs a plurality of image data of each frame to the image correction unit for processing, the image correction unit corrects the video data and outputs the corrected video data to the image projection unit, and the image projection unit performs holographic three-dimensional display on the processed video data in the space in the middle of the display stand; d: the data acquisition unit acquires interface operation information of the hand of the viewer on the displayed video image and outputs the data information to the interaction unit, and the interaction unit realizes interaction according to the information of the hand of the viewer for clicking the interface and the video.
Further, the background objects are respectively provided with an electric linear sliding table driving mechanism.
Further, the processor is an industrial personal computer.
Further, after the image output unit outputs the video data to the image segmentation unit, the image segmentation unit performs five equal segmentation on each frame of video image data according to equal proportion, and the sizes of the equal segmentation are consistent.
Further, the image splicing unit can seamlessly splice five equal parts of video image data of each frame in application.
Further, in the application of the image correction unit, the image correction unit mainly ensures that the five equal parts of video image data of each frame do not overlap and have gaps.
Furthermore, the image correction unit can also control the motion trail of the background object respectively according to the displayed video information and a driving program in the processor.
The invention has the beneficial effects that: the invention is based on five airflow laser holographic projection equipment bodies which are respectively arranged at the peripheral side ends of the display stand, so that holographic stereo images formed by the five airflow laser holographic projection equipment bodies subsequently can realize better stereo video display effect. In the invention, the equipment with various image backgrounds is provided, and the related units can control the background equipment and the three-dimensional image to realize interaction, for example, the display effect of a torch is realized by combining a torch with fireworks and video information, magic change is realized by combining the video information with magic sticks, magic gloves and the like, the three-dimensional video display effect is improved, and better video experience is brought to a viewer. Based on the above, the invention has good application prospect.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram showing the structure of the present invention.
Detailed Description
As shown in fig. 1, a multifunctional media-free projection system includes five sets of airflow laser holographic projection apparatus bodies 1, a processor 2, and a display stand (not shown in the figure), an image output unit 3, an image segmentation unit 4, an image correction unit 5, an image stitching unit 6, an image projection unit 7, an interaction unit 8, and a data acquisition unit 9; the showing platform is of a circular hollow structure, backgrounds (not limited to background objects) such as magic sticks (not shown in the drawing), magic gloves (not shown in the drawing), fireworks torches (not shown in the drawing) and the like are annularly distributed at proper positions in the showing platform, five sets of airflow laser holographic projection equipment bodies 1 are annularly distributed at certain intervals at the lower end in the showing platform at equal intervals, and projection surfaces face to the middle of the space at the upper end in the showing platform; the image output unit 3, the image segmentation unit 4, the image correction unit 5, the image splicing unit 6, the image projection unit 7, the interaction unit 8 and the data acquisition unit 9 are application software installed in a processor, the processor 2 is installed in an electrical control box, the video input end of the five sets of airflow laser holographic projection equipment bodies 1 is connected with the video output end of the processor 2 through a video cable, and the power input ends of background objects such as magic sticks, magic gloves, firework torches and the like are connected with the multi-path power output end of the processor 2 through wires.
As shown in fig. 1, background objects such as magic sticks, magic gloves, fireworks, and torches are each driven by an electric linear slide having an annular rail drive. The processor 2 is an industrial personal computer. After the image output unit 3 outputs the video data to the image dividing unit 4, the image dividing unit 4 divides each frame of video image data into five equal parts in equal proportion, and the sizes of the equal parts are consistent. The image splicing unit 6 can seamlessly splice five equal parts of video image data of each frame in application. In the application of the image correction unit 5, the overlapping and the gap between the five equal parts of video image data of each frame are mainly ensured. The image correction unit 5 can also control the motion tracks of background objects such as magic sticks, magic gloves, fireworks torches and the like respectively according to the displayed video information and a driving program in the processor.
As shown in fig. 1, before the present invention is applied, a user connects an external video device (such as a storage usb disk) with different video contents to a processor 2 according to the requirement; when the video image segmentation device works, the image output unit 3 collects video information input by external video equipment in real time, and outputs the video information to the image segmentation unit 4 after the video data is subjected to preliminary processing; the image segmentation unit 4 summarizes the input video data in real time and segments the video data according to five pieces of video image data of each frame, and outputs the segmented video data to the image splicing unit 6; the image splicing unit 6 outputs five pieces of image data of each frame to the image correction unit 5 for processing, the image correction unit 5 corrects the video data and outputs the video data to the image projection unit 7, and the image projection unit 7 performs holographic stereo display on the processed video data in the space in the middle of the display stand (the five pieces of video data are spliced into an integral holographic stereo video data). In practical application of the invention, a viewer can realize information interaction with video data according to video display data, when the viewer operates an image display interface by hands, the data acquisition unit 9 can acquire interface operation information of the video image displayed by the hands of the viewer and output the data information to the interaction unit 8, the interaction unit 8 can realize interaction with the video according to the interface information clicked by the hands of the viewer, for example, background equipment and a three-dimensional image are controlled to realize interaction, for example, fireworks are combined with the video information to realize a torch display effect, the video information is combined with magic sticks, magic gloves and the like to realize magic change and the like, or a user controls the progress of a video game and the like, so that the three-dimensional video display effect is improved, and better video experience is brought to the viewer.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, these embodiments are not intended to encompass only a single embodiment, and such description is merely for clarity, and those skilled in the art will be able to refer to the specification as a whole, and the embodiments may be suitably combined to form other embodiments as will be appreciated by those skilled in the art.
Claims (7)
1. A multifunctional medium-free projection system comprises a plurality of sets of airflow laser holographic projection equipment bodies and a processor, and is characterized by also comprising a display stand, an image output unit, an image segmentation unit, an image correction unit, an image splicing unit, an image projection unit, an interaction unit and a data acquisition unit; the display stand is of a hollow structure, background objects are distributed in the display stand in an annular mode, a plurality of sets of airflow laser holographic projection equipment bodies are arranged at the lower end in the display stand in an annular and spaced mode, and projection surfaces face to the space at the upper end in the display stand; the image output unit, the image segmentation unit, the image correction unit, the image splicing unit, the image projection unit, the interaction unit and the data acquisition unit are application software installed in a processor, the processor is installed in an electrical control box, the video input ends of a plurality of sets of airflow laser holographic projection equipment bodies are electrically connected with the video output end of the processor, and the power supply input end of a background object is electrically connected with the multi-path power supply output end of the processor respectively; a method for applying a multifunctional media-free projection system comprises the following steps that A, an image output unit collects video data of external video equipment and outputs the video data to an image segmentation unit; b, the image segmentation unit segments each frame of input video image data and outputs the segmented video image data to the image splicing unit; c: the image splicing unit outputs a plurality of image data of each frame to the image correction unit for processing, the image correction unit corrects the video data and outputs the corrected video data to the image projection unit, and the image projection unit performs holographic three-dimensional display on the processed video data in the space in the middle of the display stand; d: the data acquisition unit acquires interface operation information of the hand of the viewer on the displayed video image and outputs the data information to the interaction unit, and the interaction unit realizes interaction according to the information of the hand of the viewer for clicking the interface and the video.
2. The method of claim 1, wherein the backgrounds each have an electric linear slide drive mechanism.
3. The method of claim 1, wherein the processor is an industrial personal computer.
4. The method as claimed in claim 1, wherein after the image output unit outputs the video data to the image segmentation unit, the image segmentation unit performs five equal divisions on each frame of video image data in equal proportion, and the size of each equal division is consistent.
5. The method as claimed in claim 1, wherein the image stitching unit is capable of seamlessly stitching five equal parts of video image data of each frame.
6. The method of claim 1, wherein the image correction unit is configured to ensure substantially no overlap and no gaps between the five-divided video image data of each frame.
7. The method of claim 1, wherein the image correction unit is further capable of controlling the motion trajectory of the background object according to the displayed video information and a driver in the processor.
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| CN202210786677.7A CN115150601A (en) | 2022-07-04 | 2022-07-04 | Multifunctional medium-free projection system and application method |
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| CN202210786677.7A CN115150601A (en) | 2022-07-04 | 2022-07-04 | Multifunctional medium-free projection system and application method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965855A (en) * | 2018-07-12 | 2018-12-07 | 深圳超多维科技有限公司 | A kind of stereoprojection method, apparatus, equipment and storage medium |
| US20210033957A1 (en) * | 2019-07-29 | 2021-02-04 | Universal City Studios Llc | Enhanced granular material effects |
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- 2022-07-04 CN CN202210786677.7A patent/CN115150601A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108965855A (en) * | 2018-07-12 | 2018-12-07 | 深圳超多维科技有限公司 | A kind of stereoprojection method, apparatus, equipment and storage medium |
| US20210033957A1 (en) * | 2019-07-29 | 2021-02-04 | Universal City Studios Llc | Enhanced granular material effects |
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