CN204929116U - Geometric figure projection imaging automatic correction of device - Google Patents
Geometric figure projection imaging automatic correction of device Download PDFInfo
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- CN204929116U CN204929116U CN201520732932.5U CN201520732932U CN204929116U CN 204929116 U CN204929116 U CN 204929116U CN 201520732932 U CN201520732932 U CN 201520732932U CN 204929116 U CN204929116 U CN 204929116U
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- 238000003384 imaging method Methods 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000003702 image correction Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- 239000000047 product Substances 0.000 description 1
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Abstract
The utility model provides a geometric figure projection imaging automatic correction of device, include projecting apparatus, projection curtain, camera, reach image processor, image processor respectively with projecting apparatus, camera electrical connection, the projecting lens adjacent installation each other of camera and projecting apparatus, image processor throws original projection content to the projection curtain on through the projecting apparatus, image processor is given in projection content and transmission that the camera was shot on the projection curtain, the correction of comparing of projection content and original projection content that image processor shot the camera. The beneficial effects of the utility model are that: overcome completely to the difficult problem of correcting of projecting figure variety, accomplished to judge automatically geometric figure and the effect of correcting.
Description
Technical field
The utility model relates to field of image correction, refers to a kind of geometric figure projection imaging automatic correction device especially.
Background technology
The keystone device of current projecting apparatus, comprise angular transducer, angle processing unit, image correction unit, angular transducer is arranged on the Optical system module of this projecting apparatus inside, for detecting the angle of optical system in projecting apparatus, angle processing unit is used for obtaining keystone value according to the angle of Optical system module, and this keystone value being sent to the image correction unit of projecting apparatus, described image correction unit is used for carrying out keystone according to the image of keystone value to input.And for geometric rectification, at present mainly for be projector's main body, it is provided with direction sensor, correction parameter computing module and projection lens geometric correction device, the input of correction parameter computing module is connected with direction sensor, output is connected with projection lens geometric correction device, direction sensor detects the angle of inclination of projector's main body, the data of correction parameter computing module to angle of inclination process, generating correction parameters, projection lens geometric correction device adjusts projector lens according to correction parameter, to correct the geometric distortion of projected picture.
In general, the means for correcting of projecting apparatus is all that the conduct image processing apparatus be integrated in projector exists, but with regard to device, vulnerability is higher, and device upgrading needs equipment to re-assembly upgrading, and practicality is lower.
Utility model content
In order to solve the problem, the utility model proposes a kind of geometric figure projection imaging automatic correction device.A kind of geometric figure projection imaging automatic correction device that the utility model proposes, can make image flame detection function use more convenient, independently judge graphics shape and automatic calibration completely, need not start can automatically realize figure rectification effect by equipment end; Overcome completely for the not corrigibility problem of projecting figure diversity, accomplish can automatic decision geometric figure and correct effect.
The technical solution of the utility model is achieved in that
A kind of geometric figure projection imaging automatic correction device, comprising projecting apparatus, projection screen, camera and image processor, described image processor is electrically connected with projecting apparatus, camera respectively, the projection lens of described camera and projecting apparatus is mounted adjacent, original projection content is projected on projection screen by projecting apparatus by described image processor, project content on described camera shooting projection screen is also transferred to image processor, and the project content that camera photographs by described image processor and original projection content are compared and correct.
Above-mentioned a kind of geometric figure projection imaging automatic correction device, wherein also comprises level crossing, the shooting angle of described camera and flat mirror parallel, and the projection lens of described projecting apparatus and the angle of level crossing are 45 ° ~ 90 °.Flat mirror reflects can increase light path, and when reflection, the distortion factor is minimum.
Above-mentioned a kind of geometric figure projection imaging automatic correction device, wherein also comprises the fixed support in order to projecting apparatus to be fixedly installed in somewhere.
Above-mentioned a kind of geometric figure projection imaging automatic correction device, wherein said projection screen is the line holographic projections film of optics.
The beneficial effects of the utility model are: independently judge graphics shape and automatic calibration by equipment end completely, need not start can automatically realize figure rectification effect, image flame detection function are used more convenient; Overcome completely for the not corrigibility problem of projecting figure diversity, accomplish can automatic decision geometric figure and correct effect; Geometric figure corrective system has more standby flexibility, and when functionally having needs to optimize, equipment only needs connecting wireless network to get final product upgrade function, has more flexibility compared with traditional graph apparatus for correcting, and practicality is also higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the electrical connection module schematic diagram of a kind of geometric figure projection imaging of the utility model automatic correction device;
Fig. 2 is the structural representation that a kind of geometric figure projection imaging of the utility model automatic correction device is arranged on back seat.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
As shown in Figure 1-2, a kind of geometric figure projection imaging automatic correction device, comprising projecting apparatus 1, projection screen 2, camera 3, image processor 4, level crossing 5 and fixed support 6.Described image processor 4 is electrically connected with projecting apparatus 1, camera 2 respectively, described camera 3 is mounted adjacent with the projection lens of projecting apparatus 1, original projection content is projected on level crossing 5 by projecting apparatus 1 by described image processor 4, reflex on projection screen 2 by level crossing 5 again, described camera 3 is taken the project content on projection screen 2 and is transferred to image processor 4, and the project content that camera 3 photographs by image processor 4 and original projection content are compared and correct.The shooting angle of camera 3 is parallel with level crossing 5, and the projection lens of described projecting apparatus 1 and the angle of level crossing 5 are 45 ° ~ 90 °, and optimum is set to 60 °.Flat mirror reflects can increase light path, and when reflection, the distortion factor is minimum.Fixed support 6 is in order to be fixedly installed in somewhere by projecting apparatus 1.
By the utility model products application when the automotive interior, projection screen 2 is selected the transparent holographic projection film into optics, this line holographic projections film is pasted on automotive rear windshields, projecting apparatus is fixed in the rear neckpillow of automobile rear by fixed support 6, the projection lens of projecting apparatus 1 is positioned at the upper direction level crossing direction projection image of projecting apparatus 1, and by flat mirror reflects, project content is reflexed on line holographic projections film, thus reach the effect of display projected image, camera directly takes the picture on line holographic projections film, transfer to image processor 4, the project content that camera 3 photographs by image processor 4 and original projection content are compared and correct.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. a geometric figure projection imaging automatic correction device, it is characterized in that: comprise projecting apparatus, projection screen, camera, and image processor, described image processor respectively with projecting apparatus, camera is electrically connected, the projection lens of described camera and projecting apparatus is mounted adjacent, original projection content is projected on projection screen by projecting apparatus by described image processor, project content on described camera shooting projection screen is also transferred to image processor, the project content that camera photographs by described image processor and original projection content are compared and correct.
2. a kind of geometric figure projection imaging automatic correction device according to claim 1, is characterized in that, also comprise level crossing, the shooting angle of described camera and flat mirror parallel, and the projection lens of described projecting apparatus and the angle of level crossing are 45 ° ~ 90 °.
3. a kind of geometric figure projection imaging automatic correction device according to claim 1 and 2, is characterized in that, also comprises the fixed support in order to projecting apparatus to be fixedly installed in somewhere.
4. a kind of geometric figure projection imaging automatic correction device according to claim 3, is characterized in that, described projection screen is the line holographic projections film of optics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732932.5U CN204929116U (en) | 2015-09-21 | 2015-09-21 | Geometric figure projection imaging automatic correction of device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520732932.5U CN204929116U (en) | 2015-09-21 | 2015-09-21 | Geometric figure projection imaging automatic correction of device |
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| Publication Number | Publication Date |
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| CN204929116U true CN204929116U (en) | 2015-12-30 |
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| CN201520732932.5U Expired - Fee Related CN204929116U (en) | 2015-09-21 | 2015-09-21 | Geometric figure projection imaging automatic correction of device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100792A (en) * | 2015-09-21 | 2015-11-25 | 上海碧虎网络科技有限公司 | Geometric figure projection imaging automatic correction device and correction method thereof |
| CN107566820A (en) * | 2017-10-17 | 2018-01-09 | 极鱼（北京）科技有限公司 | The full projection screen of automobile using and projector equipment |
| US9998719B2 (en) | 2016-05-31 | 2018-06-12 | Industrial Technology Research Institute | Non-planar surface projecting system, auto-calibration method thereof, and auto-calibration device thereof |
| TWI678926B (en) * | 2018-09-25 | 2019-12-01 | 華碩電腦股份有限公司 | Projection method and projection system |
| CN110596996A (en) * | 2018-06-12 | 2019-12-20 | 青岛海信激光显示股份有限公司 | Projector and automatic geometric correction method |
-
2015
- 2015-09-21 CN CN201520732932.5U patent/CN204929116U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105100792A (en) * | 2015-09-21 | 2015-11-25 | 上海碧虎网络科技有限公司 | Geometric figure projection imaging automatic correction device and correction method thereof |
| US9998719B2 (en) | 2016-05-31 | 2018-06-12 | Industrial Technology Research Institute | Non-planar surface projecting system, auto-calibration method thereof, and auto-calibration device thereof |
| CN107566820A (en) * | 2017-10-17 | 2018-01-09 | 极鱼（北京）科技有限公司 | The full projection screen of automobile using and projector equipment |
| CN110596996A (en) * | 2018-06-12 | 2019-12-20 | 青岛海信激光显示股份有限公司 | Projector and automatic geometric correction method |
| TWI678926B (en) * | 2018-09-25 | 2019-12-01 | 華碩電腦股份有限公司 | Projection method and projection system |
| US10687035B2 (en) | 2018-09-25 | 2020-06-16 | Asustek Computer Inc. | Projection method and projection system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |