CN105184800A - Automatic three-dimensional mapping projection system and method - Google Patents
Automatic three-dimensional mapping projection system and method Download PDFInfo
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- CN105184800A CN105184800A CN201510626561.7A CN201510626561A CN105184800A CN 105184800 A CN105184800 A CN 105184800A CN 201510626561 A CN201510626561 A CN 201510626561A CN 105184800 A CN105184800 A CN 105184800A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000013507 mapping Methods 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 20
- 238000004148 unit process Methods 0.000 claims abstract description 6
- 238000012544 monitoring process Methods 0.000 claims description 72
- 230000003287 optical effect Effects 0.000 claims description 31
- 230000002452 interceptive effect Effects 0.000 claims description 14
- 230000003993 interaction Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 230000003190 augmentative effect Effects 0.000 claims description 7
- 238000003384 imaging method Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 14
- 238000012937 correction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003702 image correction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/08—Projecting images onto non-planar surfaces, e.g. geodetic 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
- G06T2207/10012—Stereo images
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses an automatic three-dimensional mapping projection system and a method. the projection system comprises a projection lens unit, an image processing unit, a space recognition unit and a picture storage unit, wherein the space recognition unit carries out three-dimensional space information acquisition on the projection space and three-dimensional space information reconstruction is carried out; and the image processing unit processes a projection application picture on the basis of the three-dimensional space information to form a graph-corrected picture, the picture is then mapped by the projection lens unit, and a projection image matched with at least two intersection surfaces and/or at least one three-dimensional object is formed in the projection display region.
Description
Technical field
The present invention relates to projector, more particularly, relate to a kind of optical projection system and method thereof of automatic three-dimensional mapping.
Background technology
Common projector projects image onto in a plane to supply people watch or play games, and when there are other three-dimensional objects projected display region, can destroy the integrality of picture, cannot project normally.
Part projector system, such as light show, be then with solid building etc. for background, preset corrected picture material, to spectators with pleasing impression.But, this artificial calculating preset time and effort consuming, automatically can not identify the stereoscopic article in projected display region, and process projection application picture to form the picture carrying out figure adjustment based on described stereoscopic article.
Summary of the invention
For the above-mentioned defect of prior art, the present invention will solve in prior art and automatically can not identify stereoscopic article in projected display region and carry out the three-dimensional problem mapped automatically.
For solving the problems of the technologies described above, the invention provides the optical projection system that a kind of automatic three-dimensional maps, comprising projection lens unit, graphics processing unit; Also comprise in this system, space identity unit, for carrying out three-dimensional spatial information collection to the projector space limited by described projection imaging unit and projected display region thereof, whether there are at least two phase cross surfaces and/or at least one three-dimensional object to identify in described projector space, and carry out three-dimensional spatial information reconstruct; Picture storing unit, for storing default projection application picture; Wherein, described graphics processing unit processes described projection application picture based on described three-dimensional spatial information, to form the picture carrying out figure adjustment based on described at least two phase cross surfaces and/or at least one three-dimensional object, mapped by described projection lens unit again, and in described projected display region, form the projected image mated with described at least two phase cross surfaces and/or at least one three-dimensional object.
In optical projection system of the present invention, also comprise picture selecting unit, for based on described three-dimensional spatial information, from the projection application picture preset, select the projection application picture mated with described at least two phase cross surfaces and/or at least one three-dimensional object in automatic or manual mode; Now, described graphics processing unit processes selected described projection application picture based on described three-dimensional spatial information.
In optical projection system of the present invention, described projected image is the projected image with expection augmented reality effect, comprises at least one and need be mapped in general image at least two phase cross surfaces in described projection application picture; Described general image shows a part of picture respectively on each face, or Continuous Mappings also shows a part for continuous action successively on each face on each face.
In optical projection system of the present invention, described space identity unit comprises monitoring module and graphical analysis identification module; Described monitoring module carries out picture signal collection to described projector space; Described graphical analysis identification module carries out analyzing and processing to the monitor image signal of described monitoring module, whether has at least two phase cross surfaces and/or at least one three-dimensional object, and carry out three-dimensional spatial information reconstruct to identify in described projector space.
In optical projection system of the present invention, described monitoring module can be the monitoring module based on visible ray or the monitoring module based on infrared light; Monitoring module based on visible ray comprises single monitoring camera or two monitoring camera; Monitoring module based on infrared light comprises single monitoring camera, two monitoring camera, TOF sensor or structured light sensor.
In optical projection system of the present invention, when described monitoring module is the monitoring module based on infrared light, described space identity unit also comprises infrared light supply, and described infrared light supply covers described projector space; Described monitoring module is monitored the infrared light in described projector space; Described graphical analysis identification module carries out analyzing and processing to the pilot signal of described monitoring module, whether has at least two phase cross surfaces and/or at least one three-dimensional object, and carry out three-dimensional spatial information reconstruct to identify in described projector space.
In optical projection system of the present invention, when the described monitoring module based on infrared light comprises two monitoring camera, described pair of monitoring camera is two infrared monitoring camera lenses, and is located at the both sides of described projection lens unit.
In optical projection system of the present invention, described infrared light supply is integrated in projection lens unit, or it is outside to be arranged at described projection lens unit.
In optical projection system of the present invention, also comprise information process unit and can carry out the interaction manipulation unit of interactive manipulation based on described projected image, described interaction manipulation unit and described information process unit cooperating manipulate with the interaction realized based on described projected image.
In optical projection system of the present invention, described interaction manipulation unit can with the part or all of function of monitoring module described in described space identity units shared.
The projecting method that the present invention also provides a kind of automatic three-dimensional to map, wherein, three-dimensional spatial information collection is carried out to the projector space limited by projection imaging unit and projected display region thereof, whether there are at least two phase cross surfaces and/or at least one three-dimensional object to identify in described projector space, and carry out three-dimensional spatial information reconstruct; Based on described three-dimensional spatial information, projection application picture is processed, to form the picture carrying out figure adjustment based on described at least two phase cross surfaces and/or at least one three-dimensional object, mapped by described projection lens unit again, and in described projected display region, form the projected image mated with described at least two phase cross surfaces and/or at least one three-dimensional object.
In the preferred version of projecting method of the present invention, based on described three-dimensional spatial information, from the projection application picture preset, first select the projection application picture mated with described at least two phase cross surfaces and/or at least one three-dimensional object, more described projection application picture is processed and completes subsequent step.
In projecting method of the present invention, described projected image is the projected image with expection augmented reality effect, comprises at least one and need be mapped in general image at least two phase cross surfaces in described projection application picture; Described general image shows a part of picture respectively on each face, or Continuous Mappings also shows a part for continuous action successively on each face on each face.
Based on preceding solution, optical projection system of the present invention can identify shape and the position of the stereoscopic article in projected display region automatically, and the corrected image of generation matches automatically, make audience obtain the projected image of expecting in certain viewing angles, especially obtain the projected image with expection augmented reality effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is by a schematic diagram during traditional mode Projection Display rectangle in one embodiment of the invention;
Fig. 2 is the schematic diagram put into a rectangular parallelepiped in FIG but do not make figure timing;
Fig. 3 A, Fig. 3 B are the schematic diagram before correcting the left side bending segment of rectangular parallelepiped in Fig. 2, after correction;
Fig. 3 C is the schematic diagram of the general image after correcting rectangular parallelepiped in Fig. 2;
Fig. 4 is the eye-observation design sketch after being projected by the general image in Fig. 3 C;
Fig. 5 is the schematic diagram put into a waveform curved surface in FIG but do not make figure timing;
Fig. 6 has carried out the schematic diagram after figure adjustment to the rectangle in Fig. 5;
Fig. 7 is the schematic diagram of the optical projection system in another embodiment of the present invention for the show of metope light;
Fig. 8 is the schematic diagram fictionalize building on the basis of Fig. 7 after;
Fig. 9 is the schematic diagram of interactive manipulation unit and space identity units shared monitoring module;
Figure 10 is the theory diagram of optical projection system in a preferred embodiment of the invention.
Embodiment
Be the theory diagram of optical projection system in a preferred embodiment of the invention as shown in Figure 10, this optical projection system comprises projection lens unit, graphics processing unit, also comprises space identity unit, picture storing unit; Wherein, picture storing unit is for storing default projection application picture.
During work, space identity unit is used for carrying out three-dimensional spatial information collection to the projector space limited by projection imaging unit and projected display region thereof, whether there are at least two phase cross surfaces and/or at least one three-dimensional object to identify in projector space, and carry out three-dimensional spatial information reconstruct; The three-dimensional spatial information that graphics processing unit exports based on space identity unit processes projection application picture, to form the picture carrying out figure adjustment based on described at least two phase cross surfaces and/or at least one three-dimensional object, mapped by projection lens unit again, and in projected display region, form the projected image mated with described at least two phase cross surfaces and/or at least one three-dimensional object.
As can be seen from Figure 10, also picture selecting unit is comprised in this optical projection system, for the three-dimensional spatial information exported based on space identity unit, from the projection application picture preset, select the projection application picture mated with described at least two phase cross surfaces and/or at least one three-dimensional object in automatic or manual mode; Now, graphics processing unit can process selected projection application picture.
In preferred version of the present invention, projected image is the projected image with expection augmented reality effect, so-called expection augmented reality effect, refers in projection application picture that comprising at least one need be mapped in general image at least two phase cross surfaces; Can be specifically that general image shows a part of picture respectively on each face, or Continuous Mappings also show a part for continuous action successively on each face on each face.
In optical projection system of the present invention, described space identity unit comprises monitoring module and graphical analysis identification module; Monitoring module carries out picture signal collection to projector space; Graphical analysis identification module carries out analyzing and processing to the monitor image signal of monitoring module, whether has at least two phase cross surfaces and/or at least one three-dimensional object, and carry out three-dimensional spatial information reconstruct to identify in projector space.
During concrete enforcement, monitoring module can be the monitoring module based on visible ray or the monitoring module based on infrared light; Monitoring module based on visible ray can be single monitoring camera or two monitoring camera; Monitoring module based on infrared light can be single monitoring camera, two monitoring camera, TOF sensor or structured light sensor.
In the embodiment shown in fig. 1, use the monitoring module based on infrared light, now space identity unit also comprises infrared light supply, and this infrared light supply covers whole projector space; Monitoring module is monitored the infrared light in projector space; Graphical analysis identification module carries out analyzing and processing to the pilot signal of monitoring module, whether has at least two phase cross surfaces and/or at least one three-dimensional object, and carry out three-dimensional spatial information reconstruct to identify in projector space.During concrete enforcement, infrared light supply accessible site in projection lens unit, or is arranged at projection lens unit outside.
In the embodiment shown in fig. 1, use the monitoring module based on infrared light, and when comprising two monitoring camera, specifically two infrared monitoring camera lenses 104,106, and be located at the both sides of projection lens unit 102.
As can be seen from Figure 10, also comprise information process unit in this optical projection system and can carry out the interaction manipulation unit of interactive manipulation based on projected image, interactive manipulation unit and information process unit cooperating manipulate with the interaction realized based on projected image.Wherein, interactive manipulation unit can with the part or all of function of its monitoring module of space identity units shared.Such as interactive manipulation unit and space identity unit share the monitoring camera in monitoring module, and when monitoring camera is twin-lens, interactive manipulation unit at least shares one of them monitoring camera.
As shown in Figure 1, this is by a schematic diagram during traditional mode Projection Display rectangle in one embodiment of the invention; Wherein, projector 100, by its projection lens 102, launches rectangle 110 projected image in projected display region 108.
As shown in Figure 2, this is on the basis of state shown in Fig. 1, has put into a rectangular parallelepiped 112 in projected display region 108, and what now illustrate is the situation not doing figure adjustment, a part for projected image can be incident upon on the right flank of rectangular parallelepiped 112, and projected image can limpen.
In the present embodiment, two infrared monitoring camera lens 104,106 projector spaces carry out picture signal collection; Graphical analysis identification module carries out analyzing and processing to these picture signals, can calculate the information such as the position of rectangular parallelepiped 112, size and profile, and carry out three-dimensional spatial information reconstruct, the information of rectangular parallelepiped is corresponded in the difference of whole Projection Display; The three-dimensional spatial information that graphics processing unit exports based on space identity unit, projection application picture (i.e. rectangle 110) is processed, to form the picture carrying out figure adjustment based on rectangular parallelepiped 112, mapped by projection lens unit again, and in projected display region, form the projected image mated with rectangular parallelepiped 112.
Specifically, the schematic diagram before Fig. 3 A, Fig. 3 B show and correct the left side bending segment of rectangular parallelepiped in Fig. 2, after correction; Fig. 3 C shows the schematic diagram of the general image after correcting rectangular parallelepiped in Fig. 2; If projected in the plane by the general image after correcting, the result shown in Fig. 3 C will be seen.
But, when general image after correction is projected the projected display region being placed with rectangular parallelepiped, the part curved images being now mapped in the right flank of rectangular parallelepiped 112 has visually been straightened, whole projected picture is made visually to maintain the integrality of picture, remain a rectangle, as shown in Figure 4.
As shown in Figure 5, this is on the basis of state shown in Fig. 1, has put into a waveform curved surface 114 in projected display region 108, and the projected picture not through image correction process as shown in the figure, can become waveform image.
In the present invention, space identity unit can calculate position and the size information of each crest and trough, and at respective regions, corrected Calculation is carried out to respective graphical, when general image after correction is projected the projected display region being placed with waveform curved surface 114, rectangle 110 has visually been straightened, make whole projected picture visually maintain the integrality of picture, remain a rectangle, as shown in Figure 6.
When optical projection system of the present invention is applied to light show performance, can by projector horizontal positioned, and be incident upon on metope on end, by automatic three-dimensional mapping techniques, the picture of automatic generation figure adjustment, the stereoscopic article perfect matching making projected image and metope and furnish by wall, audience can see the image effect of expection.As shown in Figure 7, projector 100 is put on a desk 120, and, on background metope, there is the material object of a cupboard 122 projected display region 108 in projected display region 108.After carrying out spatial information reconstruct by space identity unit, obtain the space structure positional information of cupboard 122; Then select building as matching image manually or automatically, again by the space structure positional information of graphics processing unit based on cupboard 122, figure adjustment is carried out to building image, then map image is in cupboard, generate building image 124 as shown in Figure 8, what now beholder saw is no longer cupboard, but a building image; And also can generate starry sky image on wall, what now beholder saw will be the building under starry sky.Certainly, also according to the needs of scene, other images can be fictionalized based on this cupboard 122.
As shown in Figure 9, this is the case study on implementation that in the present invention, interactive manipulation unit and space identity unit share monitoring module.Tu Zhong projector there is monitoring camera 104, this monitoring camera is a part for space identity unit, can be used for carrying out Spatial information search to view field, after space identity unit carries out spatial information reconstruct to the cube of view field, native system generates the image of coupling, generates house 110 as shown in the figure after projecting cube.Now there is personage in figure, the action of personage can be operated by the interactive remote controller 160 based on infrared light, this interactive remote controller is a part for interactive manipulation unit, it launches infrared signal to view field, found by monitoring camera 104 and identify that laggard row relax forms interactive manipulation instruction, than as shown in this figure, personage is walked to direction, house.Visible, in the present embodiment, monitoring camera 104 is also a part for interactive manipulation unit, for interaction manipulation unit and space identity unit are shared.
Claims (13)
1. an optical projection system for three-dimensional mapping automatically, comprises projection lens unit, graphics processing unit; It is characterized in that, also comprise in this system,
Space identity unit, for carrying out three-dimensional spatial information collection to the projector space limited by described projection imaging unit and projected display region thereof, whether there are at least two phase cross surfaces and/or at least one three-dimensional object to identify in described projector space, and carry out three-dimensional spatial information reconstruct;
Picture storing unit, for storing default projection application picture;
Wherein, described graphics processing unit processes described projection application picture based on described three-dimensional spatial information, to form the picture carrying out figure adjustment based on described at least two phase cross surfaces and/or at least one three-dimensional object, mapped by described projection lens unit again, and in described projected display region, form the projected image mated with described at least two phase cross surfaces and/or at least one three-dimensional object.
2. the optical projection system of automatic three-dimensional mapping according to claim 1, it is characterized in that, also comprise picture selecting unit, for based on described three-dimensional spatial information, from the projection application picture preset, select the projection application picture mated with described at least two phase cross surfaces and/or at least one three-dimensional object in automatic or manual mode; Now, described graphics processing unit processes selected described projection application picture based on described three-dimensional spatial information.
3. the optical projection system of automatic three-dimensional mapping according to claim 1, it is characterized in that, described projected image is the projected image with expection augmented reality effect, comprises at least one and need be mapped in general image at least two phase cross surfaces in described projection application picture; Described general image shows a part of picture respectively on each face, or Continuous Mappings also shows a part for continuous action successively on each face on each face.
4. the optical projection system that the automatic three-dimensional according to any one of claim 1-3 maps, it is characterized in that, described space identity unit comprises monitoring module and graphical analysis identification module; Described monitoring module carries out picture signal collection to described projector space; Described graphical analysis identification module carries out analyzing and processing to the monitor image signal of described monitoring module, whether has at least two phase cross surfaces and/or at least one three-dimensional object, and carry out three-dimensional spatial information reconstruct to identify in described projector space.
5. the optical projection system of automatic three-dimensional mapping according to claim 4, it is characterized in that, described monitoring module is the monitoring module based on visible ray or the monitoring module based on infrared light; Monitoring module based on visible ray comprises single monitoring camera or two monitoring camera; Monitoring module based on infrared light comprises single monitoring camera, two monitoring camera, TOF sensor or structured light sensor.
6. the optical projection system of automatic three-dimensional mapping according to claim 5, it is characterized in that, described monitoring module is the monitoring module based on infrared light; Described space identity unit also comprises infrared light supply, and described infrared light supply covers described projector space; Described monitoring module is monitored the infrared light in described projector space; Described graphical analysis identification module carries out analyzing and processing to the pilot signal of described monitoring module, whether has at least two phase cross surfaces and/or at least one three-dimensional object, and carry out three-dimensional spatial information reconstruct to identify in described projector space.
7. the optical projection system of automatic three-dimensional mapping according to claim 6, it is characterized in that, the described monitoring module based on infrared light comprises two monitoring camera, and described pair of monitoring camera is two infrared monitoring camera lenses, and is located at the both sides of described projection lens unit.
8. the optical projection system of automatic three-dimensional mapping according to claim 6, it is characterized in that, described infrared light supply is integrated in projection lens unit, or it is outside to be arranged at described projection lens unit.
9. the optical projection system of automatic three-dimensional mapping according to claim 4, it is characterized in that, also comprise information process unit in this system and can carry out the interaction manipulation unit of interactive manipulation based on described projected image, described interaction manipulation unit and described information process unit cooperating manipulate with the interaction realized based on described projected image.
10. the optical projection system of automatic three-dimensional mapping according to claim 9, it is characterized in that, described interaction manipulates the part or all of function of monitoring module described in unit and described space identity units shared.
11. 1 kinds of automatic three-dimensional projecting methods mapped, is characterized in that, wherein,
Three-dimensional spatial information collection is carried out to the projector space limited by projection imaging unit and projected display region thereof, whether has at least two phase cross surfaces and/or at least one three-dimensional object to identify in described projector space, and carry out three-dimensional spatial information reconstruct;
Based on described three-dimensional spatial information, projection application picture is processed, to form the picture carrying out figure adjustment based on described at least two phase cross surfaces and/or at least one three-dimensional object, mapped by described projection lens unit again, and in described projected display region, form the projected image mated with described at least two phase cross surfaces and/or at least one three-dimensional object.
The projecting method that 12. automatic three-dimensionals according to claim 11 map, it is characterized in that, wherein based on described three-dimensional spatial information, from the projection application picture preset, first select the projection application picture mated with described at least two phase cross surfaces and/or at least one three-dimensional object, more described projection application picture is processed and completes subsequent step.
13. according to claim 11 or 12 automatic three-dimensional map projecting method, it is characterized in that, described projected image is the projected image with expection augmented reality effect, comprises at least one and need be mapped in general image at least two phase cross surfaces in described projection application picture; Described general image shows a part of picture respectively on each face, or Continuous Mappings also shows a part for continuous action successively on each face on each face.
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| CN106530343A (en) * | 2016-10-18 | 2017-03-22 | 深圳奥比中光科技有限公司 | Projection device and projection method based on target depth image |
| WO2017054116A1 (en) * | 2015-09-28 | 2017-04-06 | 神画科技（深圳）有限公司 | Automatic three-dimensional mapping projection system and method |
| CN107689082A (en) * | 2016-08-03 | 2018-02-13 | 腾讯科技（深圳）有限公司 | A kind of data projection method and device |
| CN109653500A (en) * | 2018-11-02 | 2019-04-19 | 筑梦高科建筑有限公司 | A kind of construction site 3-D scanning quality inspection device |
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| WO2017054116A1 (en) * | 2015-09-28 | 2017-04-06 | 神画科技（深圳）有限公司 | Automatic three-dimensional mapping projection system and method |
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| CN111899347A (en) * | 2020-07-14 | 2020-11-06 | 四川深瑞视科技有限公司 | Augmented reality space display system and method based on projection |
| CN114339179A (en) * | 2021-12-23 | 2022-04-12 | 深圳市火乐科技发展有限公司 | Projection correction method, projection correction device, storage medium and projection equipment |
| CN114339179B (en) * | 2021-12-23 | 2024-05-28 | 深圳市火乐科技发展有限公司 | Projection correction method, apparatus, storage medium and projection device |
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