CN110568715A - stereo sphere surface full-coverage projection device - Google Patents
stereo sphere surface full-coverage projection device Download PDFInfo
- Publication number
- CN110568715A CN110568715A CN201910938356.2A CN201910938356A CN110568715A CN 110568715 A CN110568715 A CN 110568715A CN 201910938356 A CN201910938356 A CN 201910938356A CN 110568715 A CN110568715 A CN 110568715A
- Authority
- CN
- China
- Prior art keywords
- projection
- sphere
- spherical
- coverage
- images
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Abstract
The invention discloses a three-dimensional spherical surface full-coverage projection device, which comprises a multi-level platform and a spherical screen arranged between the multi-level platforms, wherein the spherical screen is a sphere, a plurality of projectors are uniformly arranged on the multi-level platforms respectively around the central axis of the sphere along the circumference, the surface of the sphere is provided with longitude and latitude lines, the intersection points of the longitude and latitude lines on the surface of the sphere are respectively provided with projection sensing points, the projection sensing points are respectively provided with projection sensors, each projection sensor is respectively communicated with a sensing transmission line for outputting, each projector performs image projection on the spherical screen from different directions of the multi-level platforms, the projection sensors sense projection images, and overlapped projection cutting is controlled by image control software, so that three-dimensional spherical images can be presented on the spherical screen. The three-dimensional sphere surface full-coverage projection device can enable the surface of a sphere screen to be completely projected and covered, an intersection point blind area between projections cannot be generated, and the upper surface and the lower surface of a sphere can also be projected and imaged; and realize the seamless dynamic linking projection of the global precise images.
Description
Technical Field
The invention relates to a projection device, in particular to a three-dimensional sphere surface full-coverage projection device.
background
The projection device projects an image onto a large-area screen by a projector, so that a viewer can obtain a visual sensation of a large visual field, such as a movie or a commercial or household projector, for example. However, these conventional projection apparatuses all use a flat screen, and cannot provide a real stereoscopic image, and although a 3D image simulation technology is developed in cooperation with a color difference mirror, the conventional projection apparatuses are still limited by the flat screen and cannot display a stereoscopic image.
Chinese patent publication No. CN203276783U, publication date 2013, 11 month 06, discloses a spherical projection apparatus, comprising: the screen is a sphere which is suspended at a proper height inside the building of the projection hall by a cable and is used for displaying a three-dimensional spherical image; the projectors are positioned at the same horizontal height of the spherical screen, surround the spherical screen in an equiangular mode and are used for projecting images to the spherical screen; and a projector connected to each projector by signal wires for projecting images; each projector surrounds the spherical screen in an equiangular mode, images of the spherical screen are projected by each projector from different directions, image edge fusion is controlled through image control software, multi-channel sound is output by matching with a sound effect device, and a three-dimensional spherical image can be displayed on the spherical screen. However, in such projection, images are evenly distributed in a plane for projection, the overlapped part of the projected images is calculated by image control software to enable the overlapped edges of the images to be fused, but the process of fusing the overlapped edges of the images by calculation of the image control software has deviation, so that the overlapped edges of the images, particularly the upper side and the lower side of the images can generate image deformation, the images are fuzzy, and seamless dynamic connection projection of global precise images cannot be achieved.
Disclosure of Invention
In order to solve the technical problem, the invention designs a three-dimensional spherical surface full-coverage projection device.
The invention adopts the following technical scheme:
The utility model provides a three-dimensional spheroid surface all standing projection arrangement, including the spheroid screen that sets up between multi-level platform and multi-level platform, the spheroid screen is a spheroid, evenly set up many projectors around the spheroid central axis respectively on the multi-level platform along the circumference, the spheroid surface sets up the longitude and latitude, spheroid surface longitude and latitude intersection point sets up projection sensing point respectively, projection sensing point sets up the projection inductor respectively, each projection inductor communicates response transmission line output respectively, each projector carries out the image projection to the spheroid screen from the different directions of multi-level platform, the projection inductor response projection image, overlap the projection through image control software control and cut, and can present three-dimensional spherical image on the spheroid screen.
Preferably, the sphere is a balloon and is suspended between the multi-level platforms by a suspension rope. The sphere can also be a thin shell sphere or a solid sphere of each material.
Preferably, the multi-layered platform is fixed by a stent.
preferably, the projection sensor is a photosensitive sensor.
Preferably, an inlet and an outlet are formed in the balloon, the balloon is suspended through the inlet and the outlet, the induction transmission line is connected out through the inlet and the outlet, the inlet and the outlet are connected with an inflating pipe, and the inflating pipe is communicated with an air pump. The air pump continuously conveys air to keep the balloon inflated and ensure the complete shape of the sphere on the surface of the balloon.
The invention has the beneficial effects that: (1) the three-dimensional spherical surface full-coverage projection device is provided with a plurality of layers of platforms around a spherical screen, and a plurality of projectors are uniformly arranged on the plurality of layers of platforms respectively around the central axis of a sphere along the circumference, so that the surface of the spherical screen can be completely projected and covered, a dead zone of an intersection point between projections is not generated, and the upper surface and the lower surface of the sphere can also be projected and imaged; (2) the projection sensor is used for sensing and positioning the projection overlapping part to cut the projection image, so that accurate positioning can be realized, and seamless dynamic linking projection of the full-sphere precision image is realized.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
In the figure: 1. the device comprises a chassis, 2, a support, 3, an upper platform, 4, a lower platform, 5, a projector, 6, a sphere, 7, a steel wire, 8, an inlet, an outlet, 9, a projection sensing point, 10 and an induction transmission line.
Detailed Description
The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:
Example (b): as shown in figure 1, a three-dimensional sphere surface full-coverage projection device comprises a chassis 1, a support 2 is fixedly connected on the chassis, a multi-level platform is fixed on the support, the multi-level platform comprises an upper platform 3 and a lower platform 4, a steel wire 7 is hung at the bottom of the center of the upper platform, a sphere 6 is hung at the bottom of the steel wire, the sphere is a balloon, a sphere screen is a sphere, longitude and latitude lines are arranged on the surface of the sphere, projection sensing points 9 are respectively arranged at the intersection points of the longitude and latitude lines on the surface of the sphere, projection sensors are respectively arranged at the projection sensing points, the projection sensors are respectively communicated with an output of a sensing transmission line 10, the projection sensors are photosensitive sensors, an inlet and an outlet 8 are arranged on the balloon, the balloon is hung through the inlet and the outlet, the sensing transmission lines are connected through the inlet and the outlet, the, six projectors 5 are uniformly arranged on the lower platform around the central axis of the sphere along the circumference, each projector projects images on the spherical screen from different directions of the upper platform and the lower platform, the projection sensor senses the projected images, the overlapped projection cutting is controlled by image control software, and the three-dimensional spherical images can be presented on the spherical screen.
When the three-dimensional spherical surface full-coverage projection device is used, the projectors project graphs through the projectors, the images projected by the projectors cover the whole spherical screen, the projection sensors positioned at the longitude and latitude intersection points on the sphere sense the images projected by the projectors and feed back to a control center with image control software, the image control software controls and cuts repeated projection patterns sensed by the projection sensors, and the images are accurately positioned through the projection sensors to realize seamless dynamic linking projection of full-spherical precise images.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (5)
1. A three-dimensional spherical surface full-coverage projection device is characterized by comprising a multi-level platform and a spherical screen arranged between the multi-level platforms, wherein the spherical screen is a sphere, a plurality of projectors are uniformly arranged on the multi-level platforms respectively around the central axis of the sphere along the circumference, the surface of the sphere is provided with longitude and latitude lines, the intersection points of the longitude and latitude lines on the surface of the sphere are respectively provided with projection sensing points, the projection sensing points are respectively provided with projection sensors, each projection sensor is respectively communicated with a sensing transmission line for output, each projector projects images on the spherical screen from different directions of the multi-level platforms, the projection sensors sense the projected images, the overlapped projection cutting is controlled by image control software, and three-dimensional spherical images can be presented on the spherical screen.
2. The stereoscopic sphere surface full-coverage projection device of claim 1, wherein the sphere is a balloon and is suspended between the multi-level platforms by a suspension rope.
3. The stereoscopic spherical surface full-coverage projection device as claimed in claim 1, wherein the multi-layer platform is fixed by a bracket.
4. The stereoscopic spherical surface full-coverage projection device as claimed in claim 1, wherein the projection sensor is a photosensitive sensor.
5. The stereoscopic full-coverage projection device for the sphere surface as claimed in claim 2, wherein the balloon is provided with an inlet and an outlet, the balloon is suspended through the inlet and the outlet, the induction transmission line is connected out through the inlet and the outlet, the inlet and the outlet are connected with an air inflating pipe, and the air inflating pipe is communicated with an air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938356.2A CN110568715A (en) | 2019-09-30 | 2019-09-30 | stereo sphere surface full-coverage projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910938356.2A CN110568715A (en) | 2019-09-30 | 2019-09-30 | stereo sphere surface full-coverage projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110568715A true CN110568715A (en) | 2019-12-13 |
Family
ID=68783478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910938356.2A Pending CN110568715A (en) | 2019-09-30 | 2019-09-30 | stereo sphere surface full-coverage projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110568715A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022011817A1 (en) * | 2020-07-17 | 2022-01-20 | 中国科学院空天信息创新研究院 | Three-dimensional sphere-oriented visualization system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020067466A1 (en) * | 2000-12-05 | 2002-06-06 | Eastman Kodak Company | Auto-stereoscopic viewing system using mounted projection |
| CN2689292Y (en) * | 2004-03-18 | 2005-03-30 | 湖南康伯传媒经贸发展有限公司 | Flying screens |
| CN201174026Y (en) * | 2008-04-09 | 2008-12-31 | 季萌 | Rear projection exhibition ball |
| CN101518096A (en) * | 2006-09-20 | 2009-08-26 | 苹果公司 | Three-dimensional display system |
| CN103777455A (en) * | 2014-02-25 | 2014-05-07 | 浙江大学 | Spherical immersion three-dimension displaying method and system based on light field splicing |
| CN205787570U (en) * | 2016-05-19 | 2016-12-07 | 深圳市白雪投影显示技术有限公司 | A kind of bolt-type pumping balloon curtain |
| CN206819048U (en) * | 2017-06-27 | 2017-12-29 | 湖北久之洋信息科技有限公司 | A kind of ball curtain projection system |
| CN207396966U (en) * | 2017-05-11 | 2018-05-22 | 深圳市元创视觉科技有限公司 | Immersion 3D banquet hall devices |
| CN108353117A (en) * | 2015-08-24 | 2018-07-31 | 弗劳恩霍夫应用研究促进协会 | 3D multiple aperture imaging devices |
| CN210348183U (en) * | 2019-09-30 | 2020-04-17 | 宁波元年文化传媒有限公司 | Stereo sphere surface full-coverage projection device |
-
2019
- 2019-09-30 CN CN201910938356.2A patent/CN110568715A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020067466A1 (en) * | 2000-12-05 | 2002-06-06 | Eastman Kodak Company | Auto-stereoscopic viewing system using mounted projection |
| CN2689292Y (en) * | 2004-03-18 | 2005-03-30 | 湖南康伯传媒经贸发展有限公司 | Flying screens |
| CN101518096A (en) * | 2006-09-20 | 2009-08-26 | 苹果公司 | Three-dimensional display system |
| CN201174026Y (en) * | 2008-04-09 | 2008-12-31 | 季萌 | Rear projection exhibition ball |
| CN103777455A (en) * | 2014-02-25 | 2014-05-07 | 浙江大学 | Spherical immersion three-dimension displaying method and system based on light field splicing |
| CN108353117A (en) * | 2015-08-24 | 2018-07-31 | 弗劳恩霍夫应用研究促进协会 | 3D multiple aperture imaging devices |
| CN205787570U (en) * | 2016-05-19 | 2016-12-07 | 深圳市白雪投影显示技术有限公司 | A kind of bolt-type pumping balloon curtain |
| CN207396966U (en) * | 2017-05-11 | 2018-05-22 | 深圳市元创视觉科技有限公司 | Immersion 3D banquet hall devices |
| CN206819048U (en) * | 2017-06-27 | 2017-12-29 | 湖北久之洋信息科技有限公司 | A kind of ball curtain projection system |
| CN210348183U (en) * | 2019-09-30 | 2020-04-17 | 宁波元年文化传媒有限公司 | Stereo sphere surface full-coverage projection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022011817A1 (en) * | 2020-07-17 | 2022-01-20 | 中国科学院空天信息创新研究院 | Three-dimensional sphere-oriented visualization system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1322743C (en) | Method for creating brightness filter and virtual space creation system | |
| CN102314315B (en) | Display device, image data generating device, image data generating program, and display method | |
| JP5187639B2 (en) | 3D display | |
| AU2016200892B2 (en) | Immersive projection system | |
| CN107809628A (en) | Projecting method, projecting apparatus and the optical projection system of multi-direction ring curtain all standing | |
| US20110219339A1 (en) | System and Method for Visualizing Virtual Objects on a Mobile Device | |
| CN103780886A (en) | Projection apparatus, projection control apparatus, projection system, and projection state adjustment method | |
| WO2003107039A2 (en) | Method and apparatus for a multisensor imaging and scene interpretation system to aid the visually impaired | |
| CN107659801B (en) | Cross-arrangement multi-direction ring curtain full-coverage projection method, system and projector | |
| CN210348183U (en) | Stereo sphere surface full-coverage projection device | |
| Meier et al. | Sensor fusion based user interface for vehicle teleoperation | |
| US20170374333A1 (en) | Real-time motion capture and projection system | |
| CN110568715A (en) | stereo sphere surface full-coverage projection device | |
| CN110506419A (en) | Extending video is rendered in virtual reality | |
| US20210385431A1 (en) | Information processing device for display device, information processing method for display device, and program for display device | |
| CN106873300A (en) | Towards the Virtual Space projecting method and device of intelligent robot | |
| CN207099262U (en) | Projector equipment, the system of short focus ring curtain output are realized based on multichannel ray machine | |
| JP3127447B2 (en) | 3D display device | |
| JP2010044738A (en) | Illumination simulator | |
| CN110378077A (en) | Tunnel luminous environment dynamic dark adaptation experimental method and device based on driver's seat | |
| CN105554490B (en) | A kind of oval ground curtain and the 3D display device and method of elliptical ring curtain linkage | |
| CN107465850A (en) | Virtual reality system | |
| JP4746178B2 (en) | Position adjustment method for image display device for large screen | |
| CN102606983A (en) | Control system and control method for visual adjustment of shutter sheets for stage lighting | |
| CN207926805U (en) | The projecting apparatus and optical projection system of multi-direction ring curtain all standing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |