CN104635405A - Hemispherical screen projection system - Google Patents
Hemispherical screen projection system Download PDFInfo
- Publication number
- CN104635405A CN104635405A CN201310552594.2A CN201310552594A CN104635405A CN 104635405 A CN104635405 A CN 104635405A CN 201310552594 A CN201310552594 A CN 201310552594A CN 104635405 A CN104635405 A CN 104635405A
- Authority
- CN
- China
- Prior art keywords
- projection system
- projectors
- curtain
- hemispherical screen
- half ball
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G03B21/14—Details
- G03B21/147—Optical correction of image distortions, e.g. keystone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
Abstract
The invention is a hemispherical screen projection system, which comprises a graphic workstation, a spherical projection correction device, a four-channel fusion device, four projectors and a hemispherical screen. The graphic workstation is connected with the spherical projection correction device. The spherical projection correction device is connected with the four-channel fusion device. The four-channel fusion device is connected with the four projectors respectively. Images output by the four projectors are projected on the hemispherical screen. According to the hemispherical screen projection system, the spherical projection correction device is used to change a normal frame into a fish eye image, the splicing fusion device seamlessly splices images of the plurality of projectors into a complete image to be projected on the seamless hemispherical screen, and as the projectors adopt short-focus lens to project large images in a short distance without obstruction in vision, the problem in the prior art that visual lines of an operator is blocked by using a fish eye lens.
Description
Technical field
The present invention relates to image projection device, refer to a kind of half ball curtain projection system particularly.
Background technology
Ball-screen projection technology is a kind of emerging display technique, it breaks projected image in the past can only be the limitation of planar graph, pass through optical lens, coordinate ball-screen projection apparatus for correcting, common three-dimensional emulation flat image is converted, project in a spherical screen, form a spheroid image.By computer vision technique and the projection display technique of advanced person, the dynamic effect of shock can be demonstrated on ball curtain.
At present in disclosed half ball curtain projection system, most employing fish eye lens projects, but because fish eye lens need be erected at hemisphere curtain centre of sphere place, block the sight line of people, and centre of sphere place is the best pickup position of human eye, therefore, reduce the three-dimensional impression of people, make troubles also to the body sense of people alternately simultaneously.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the invention provides a kind of half ball curtain projection system, this half ball curtain projection system ball curtain picture apparatus for correcting utilizes short-focus lens, larger picture can be projected in comparatively short distance, thus solve in prior art the technical matters using fish eye lens to cause block vision.
The technical scheme realizing the object of the invention employing is: a kind of half ball curtain projection system, comprising:
Graphics workstation, comprises graphical information output terminal;
Ball-screen projection apparatus for correcting, comprise and correct input end and correct output terminal, described rectification input end is connected with described image information output terminal;
Four-way fusion device, comprise a signal input part and four signal output parts, described signal input part is connected with described rectification output terminal;
Four projectors, are connected with described four signal output parts respectively; And
Hemisphere curtain, the output image of described four projectors is projected on described hemisphere curtain.
Further, described half ball curtain projection system also comprises:
Body sense interactive device, is connected with described graphics workstation.
Further, described half ball curtain projection system also comprises:
Stereo set, is connected with described graphics workstation.
In technique scheme, described projector adopts short-focus lens.
In technique scheme, the diameter of described hemisphere curtain is 2 ~ 5 meters.
Graphics workstation output pattern information in the present invention half ball curtain projection system is in ball-screen projection apparatus for correcting, image represented by this graphical information is become fish eye images by ball-screen projection apparatus for correcting, then fish eye images is input in four-way fusion device, fish eye images is divided into the image information of four parts by four-way fusion device, then the image information of these four parts is input to respectively in four projectors, each projector outputs image to respective regions on hemisphere curtain, thus is spliced into a secondary complete picture on whole hemisphere curtain.In addition, projector of the present invention adopts short-focus lens, can project larger picture, can not cause obstruction, solve prior art and use fish eye lens to cause the problem stopping operator's sight line vision in comparatively short distance.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the present invention half ball curtain projection system.
Fig. 2 is the front view of the present invention half ball curtain projection system.
Fig. 3 is the left view of the present invention half ball curtain projection system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
As shown in Figure 1, Figure 2 and Figure 3, the present invention half ball curtain projection system comprises: body sense interactive device 1, four projectors 2, be located at four short-focus lens 3, hemisphere curtain 4, four-way fusion device 5, ball-screen projection apparatus for correcting 6 and graphics workstation 7 in four projectors 2 respectively.
Wherein, graphics workstation 7 can be computing machine or other intelligent terminal, for storing the information of graph image.Graphics workstation 7 comprises image information output terminal, and the information of graph image is exported by image information output terminal.
Ball-screen projection apparatus for correcting 6 comprises to be corrected input end and corrects output terminal, corrects input end and is connected with image information output terminal.The present embodiment balls curtain projection correction device 6 is for changing 180 ° of fish eye images into by normal image.Ball-screen projection apparatus for correcting 6 carries out image procossing by the normal image of corresponding software to input, thus obtains 180 ° of fish eye images.Being those skilled in the art's common technology means by arranging corresponding software by obtaining fish eye images after the normal image image procossing of input, repeating no more herein.
Four-way fusion device 5 comprises a signal input part and four signal output parts, and signal input part is connected with the rectification output terminal of ball-screen projection apparatus for correcting 6.The four parts of images information of four-way fusion device 5 for obtaining after the fish eye images process to input, this four parts of images information is projected in respectively after on hemisphere curtain 4 through four projectors 2 and is spliced into an entire image.Four-way fusion device 5 is those skilled in the art institute common technology means, repeats no more herein, such as, can adopt the MVB anastomosing and splicing controller of Beijing Shan Tu Science and Technology Ltd..
Four projectors 2, be connected with four signal output parts of four-way fusion device 5 respectively, the output image light signal of four projectors 2 is projected on hemisphere curtain 4.The camera lens 2 of the present embodiment projector adopts common short-focus lens 3, can project larger picture in comparatively short distance.
The course of work of the present invention is as follows: image information exports in ball-screen projection apparatus for correcting 6 by graphics workstation 7, Image Information Processing is transformed to 180 ° of fish eye images by ball-screen projection apparatus for correcting 6, and then 180 ° of fish eye images are input in four-way fusion device 5 by ball-screen projection apparatus for correcting 6.180 ° of fish eye images are divided into the image information of four parts by four-way fusion device 5, then the image information of these four parts is input to respectively in four projectors 2, each projector 2 will receive image information and be converted to light signal and output to respective regions on hemisphere curtain, and the picture that four video cameras 2 export is spliced into a secondary complete image on whole hemisphere curtain 4.
Hemisphere curtain 4 in the present embodiment is the seamless hemisphere curtain of hard 180 °, on this hemisphere curtain 4, the image quality of Projection Display is determined by the diameter of hemisphere curtain 4 and the performance parameter of projector 2, diameter is larger, resolution, the lumen number of the projector 2 needed are then larger, reasonable picture display effect can be ensured like this, therefore, the diameter of the preferred hemisphere curtain 3 of the present embodiment is 2 ~ 5 meters.
In addition, in order to increase body sense effect of the present invention, graphics workstation 7 of the present invention is also connected with body sense interactive device 1, the virtual reality emulation software of the customization that image workstation 7 runs, virtual reality emulation software controlled body sense interactive device 1 realizes man-machine interaction, thus strengthens the said three-dimensional body sense of people.Body sense interactive device 1 can adopt the Kinect somatosensory interactive device of Microsoft.Meanwhile, graphics workstation 7 goes back connecting sound equipment equipment 8, and the sound effect in interactive process is synchronously play by stereo set 8, further add the body sense effect of people.
The present invention is by common short-focus lens 3, ball-screen projection apparatus for correcting 6 and four-way fusion device 5; normal pictures is made to be incident upon on hemisphere curtain 4 picture without obvious metamorphopsic distortion; and beholder 9 can stand in the viewing of centre of sphere place and the man-machine interaction of hemisphere curtain 4; beholder 9 can take in the three-dimensional world that shakes when participating in the cintest, feeling of immersion is strong by the picture of the viewing hemisphere curtain 4 at sphere center position place, thus improves the said three-dimensional body sense of people.
Claims (5)
1. half ball curtain projection system, is characterized in that, comprising:
Graphics workstation, comprises image information output terminal;
Ball-screen projection apparatus for correcting, comprise and correct input end and correct output terminal, described rectification input end is connected with described image information output terminal;
Four-way fusion device, comprise a signal input part and four signal output parts, described signal input part is connected with described rectification output terminal;
Four projectors, are connected with described four signal output parts respectively; And
Hemisphere curtain, the output image of described four projectors is projected on described hemisphere curtain.
2. half ball curtain projection system according to claim 1, is characterized in that, comprising:
Body sense interactive device, is connected with described graphics workstation.
3. half ball curtain projection system according to claim 1, is characterized in that, comprising:
Stereo set, is connected with described graphics workstation.
4. half ball curtain projection system according to claim 1, is characterized in that: described projector adopts short-focus lens.
5. half ball curtain projection system according to any one of Claims 1 to 4, is characterized in that: the diameter of described hemisphere curtain is 2 ~ 5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552594.2A CN104635405A (en) | 2013-11-08 | 2013-11-08 | Hemispherical screen projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310552594.2A CN104635405A (en) | 2013-11-08 | 2013-11-08 | Hemispherical screen projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104635405A true CN104635405A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310552594.2A Pending CN104635405A (en) | 2013-11-08 | 2013-11-08 | Hemispherical screen projection system |
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| CN (1) | CN104635405A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954716A (en) * | 2015-07-13 | 2015-09-30 | 重庆梧台科技发展有限公司 | Dome-screen projection imaging system based on multi-projection imaging |
| CN106237588A (en) * | 2016-07-28 | 2016-12-21 | 秦皇岛视听机械研究所 | Multifunctional body-building system based on quadratic surface shadow casting technique |
| CN107203984A (en) * | 2017-02-21 | 2017-09-26 | 合肥安达创展科技股份有限公司 | Correction system is merged in projection for third party software |
| CN107390459A (en) * | 2017-09-07 | 2017-11-24 | 东莞理工学院 | A kind of bowl-type ball curtain projection system |
| CN108269231A (en) * | 2017-12-29 | 2018-07-10 | 深圳市艺博堂环境艺术工程设计有限公司 | A kind of image interfusion method and its image fusion device for ball curtain system |
-
2013
- 2013-11-08 CN CN201310552594.2A patent/CN104635405A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104954716A (en) * | 2015-07-13 | 2015-09-30 | 重庆梧台科技发展有限公司 | Dome-screen projection imaging system based on multi-projection imaging |
| CN106237588A (en) * | 2016-07-28 | 2016-12-21 | 秦皇岛视听机械研究所 | Multifunctional body-building system based on quadratic surface shadow casting technique |
| CN106237588B (en) * | 2016-07-28 | 2019-03-29 | 秦皇岛视听机械研究所有限公司 | Multifunctional body-building system based on quadratic surface shadow casting technique |
| CN107203984A (en) * | 2017-02-21 | 2017-09-26 | 合肥安达创展科技股份有限公司 | Correction system is merged in projection for third party software |
| CN107390459A (en) * | 2017-09-07 | 2017-11-24 | 东莞理工学院 | A kind of bowl-type ball curtain projection system |
| CN108269231A (en) * | 2017-12-29 | 2018-07-10 | 深圳市艺博堂环境艺术工程设计有限公司 | A kind of image interfusion method and its image fusion device for ball curtain system |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |