CN204066012U - A kind of projection arrangement - Google Patents
A kind of projection arrangement Download PDFInfo
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- CN204066012U CN204066012U CN201420430299.XU CN201420430299U CN204066012U CN 204066012 U CN204066012 U CN 204066012U CN 201420430299 U CN201420430299 U CN 201420430299U CN 204066012 U CN204066012 U CN 204066012U
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- screen
- projection arrangement
- depth camera
- projector
- thermomechanical processing
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Abstract
The utility model is that it comprises about a kind of projection arrangement: projector, for providing display frame; Screen, when a certain region of described screen surface is under pressure, the action direction along described pressure forms deformation region; Depth camera, for detecting described deformation region, and produces thermomechanical processing; Instruction device, is connected to described depth camera, the thermomechanical processing described in reception, and sends the instruction matched with described thermomechanical processing, the display frame described in adjustment.The deformation of the utility model by adopting depth camera to detect screen, and then send corresponding instruction by instruction device, thus the display frame of adjustment screen, realize the interaction of user and display frame.
Description
Technical field
The utility model relates to a kind of multimedia technology field, particularly relates to a kind of projection arrangement.
Background technology
Projector alignment screen used by projection arrangement common at present, the content of the computer be connected with projector or other equipment thrown on screen.The projection arrangement of this form is only that displaying contents is carried out simple projective amplification, be convenient to many people jointly watch and carry out learning and discussing, do not have direct interaction function, such as, highlight certain partial content on computer screen, user can only by carrying out operating or being indicated on projection screen by laser pen and coordinating language to realize exchanging on computers.
In prior art, realize man-machine interaction usually through interactive electric whiteboard, this mode is applied in various meeting and teaching more and more widely.Which is connected on computer by electronic whiteboard, and utilize projector by the content projection on computer on electronic whiteboard.Current interactive electric whiteboard many employings infrared electronic white and photo-electric electronic whiteboard two kinds of forms.The former be by blank around infrared frame launch and Received signal strength, the position of touch of finger sensing, the latter realizes writing arbitrarily on special electronic whiteboard by optical image induction technology and the interactive mode shown on computers in time.
The shortcoming of the above prior art is that the plate face of infrared electronic white easily scratches, and can affect the Projection Display of electronic whiteboard after scuffing.And though optical electron blank is not afraid of scuffing, but existing optical electron whiteboard structure is complicated, and manufacturing process is complicated, and cost is high, and heavierly not easily moves.
Utility model content
In view of this, the utility model provides a kind of projection arrangement, and fundamental purpose is to realize the interaction with display frame by detecting screen intensity change.
For achieving the above object, the utility model mainly provides following technical scheme:
The utility model provides a kind of projection arrangement, comprising:
Projector, for providing display frame;
Screen, when a certain region of described screen surface is under pressure, the action direction along described pressure forms deformation region;
Depth camera, the deformation region described in detection, and produce thermomechanical processing;
Instruction device, is connected to described depth camera, the thermomechanical processing described in reception, and sends the instruction matched with described thermomechanical processing to described projector;
Described projector according to described instruction, the display frame described in adjustment.
The purpose of this utility model and solve its technical matters and also can be applied to the following technical measures to achieve further.
Aforesaid projection arrangement, described deformation region is the region protruding from screen surface, or for being depressed in the region of described screen.
Aforesaid projection arrangement, described projector and described depth camera are positioned at homonymy or the heteropleural of described screen.
Aforesaid projection arrangement, described depth camera comprises: transmitter unit, for providing light source to described screen; Receiving element, for receiving the light that described screen reflection returns; And imageing sensor, according to the thermomechanical processing described in the light generation that described receiving element receives.
Aforesaid projection arrangement, described transmitter unit is infrared light transmitter elements.
Aforesaid projection arrangement, described transmitter unit is for providing the light source of texture structure optical pattern.
Aforesaid projection arrangement, described screen comprises: viewing area, for receiving the display frame that projector provides; And functional areas, for arranging one or more icon area; Wherein, described deformation region is overlapping with described icon area or when partly overlapping, and described depth camera produces presets thermomechanical processing.
Aforesaid projection arrangement, described screen is horizontal positioned, vertically placement or slant setting.
Aforesaid projection arrangement, described texture structure optical pattern be by provide to described screen in the light path of infrared light arrange have textured structure film realize, or adopt on the camera lens of described transmitter unit photoetching technique carve one deck textured structure realize.
By technique scheme, the utility model projection arrangement at least has following advantages:
Described projection arrangement, by the deformation adopting depth camera to detect screen, and then sends corresponding instruction by instruction device, thus the display frame of adjustment projector, realize the interaction of user and display frame.This utility model can adopt the flexible screen and projector that are widely used in prior art, only needs simple increase depth camera and instruction device to realize.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the one-piece construction figure of a kind of projection arrangement that embodiment of the present utility model provides;
Fig. 2 is the principle of work schematic diagram of the depth camera of a kind of projection arrangement that embodiment of the present utility model provides;
Fig. 3 is the image comparison figure that the depth camera of a kind of projection arrangement that embodiment of the present utility model provides receives before touch screen and after touching;
Fig. 4 is screen display and the function division figure of a kind of projection arrangement that embodiment of the present utility model provides.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the embodiment of the utility model application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, a kind of projection arrangement that an embodiment of the present utility model proposes, it comprises: projector 1, screen 2, depth camera 3 and instruction device 4.Described projector 1 is arranged on any side of described screen 2, for providing display frame to described screen 2.Described screen 2 is flexible screen, such as, described screen 2 is the curtain be widely used in prior art, be specially, when the surface of described screen 2 is under pressure in touch point 5, can form deformation region along the action direction of described pressure, described deformation region is the region protruding from or be depressed in described screen 2.As shown in Figure 2, described depth camera 3 for detecting described deformation region, and produces thermomechanical processing.Described depth camera 3 comprises: transmitter unit 6, for providing light source to described screen 2; Receiving element 7, for receiving the light that described screen 2 is reflected back; And imageing sensor 8, the thermomechanical processing described in the light for receiving according to described receiving element 7 produces.Such as, described thermomechanical processing comprises time parameter and the location parameter of deformation region generation.As shown in Figure 3, when the described touch point 5 of described screen 2 pointed or other pressure time, shown in figure as upper in Fig. 3, the deformation region that one protruded from or be depressed in described screen 2 can be formed at described touch point 5 place of described screen 2, the receiving element 7 of described depth camera 3 gathers and receives the light that described screen 2 reflects, as shown in Fig. 3 figure below, at this moment, the image received will form the change of an image in corresponding position, described touch point 5, this change detects through described imageing sensor 8 and obtains described thermomechanical processing.Described instruction device 4, be connected to described depth camera 3, described thermomechanical processing can be received, through mating with the instruction preset in described instruction device 4, then the instruction matched with described thermomechanical processing is sent, described screen 2 shows corresponding picture, thus completes mutual function.
Described projection arrangement, by the deformation adopting depth camera to detect screen, and then sends corresponding instruction by instruction device, thus the display frame of adjustment projector, realize the interaction of user and display frame.This utility model can adopt the flexible screen and projector that are widely used in prior art, only needs simple increase depth camera and instruction device to realize.
Further, described projector 1 and described depth camera 3 are positioned at homonymy or the heteropleural of described screen 2.Such as, described projector 1, described depth camera 3 and user are co-located at the side of described screen 2; Described projector 1 and described depth camera 3 are co-located at the side of described screen 2, and user is positioned at the opposite side of described screen 2; Described projector 1 and described depth camera 3 lay respectively at the side of described screen 2, user and described projector 1 or described depth camera 3 homonymy; Thus make described projection arrangement have the selection of multiple use-pattern, and then multiple environment for use can be adapted to.
Preferably, described transmitter unit is infrared light transmitter elements.Infrared light is a kind of invisible light, does not substantially injure eyes, and being invisible to the naked eye of people, and when described transmitter unit is to described screen emissions infrared light, described infrared light can not affect the normal line of sight of people.By the infrared light that described transmitter unit 6 provides to described screen 2, described receiving element 7 receives the infrared light reflected, when there being object to press described screen 2, the infrared light reflected that described receiving element 7 receives has different modes and receives described thermomechanical processing.Such as, a kind of mode is: adopt the depth camera based on flight time (Time of Flight, ToF) principle, and it is by measuring the propagation delay time compute depth information between light pulse.First allow described transmitter unit 6 send pulsed light, then described receiving element 7 receives the light that described screen 2 reflects, and is namely calculated the described thermomechanical processing of described screen 2 by Measuring Time difference.Another kind of mode is: the depth camera adopting structure based photo measure, described " structured light " refers to that some have the light of AD HOC, and its mode pattern can be point, line, surface etc.Structure light scan ratio juris be first by project structured light to body surface, re-use the structured light patterns that video camera receives the reflection of this body surface, must deform because of the solid type shape of object owing to receiving pattern, therefore the spatial information being calculated body surface by the position of this pattern in depth camera and deformation degree can be attempted.
Preferably, described transmitter unit 6 is for providing the light source of texture structure infrared light.Described texture structure optical pattern is by realizing at the film providing setting in the light path of infrared light to have textured structure to described screen 2, or on the camera lens of described transmitter unit 6, utilize photoetching technique to carve one deck textured structure, thus the infrared light that described transmitter unit 6 is launched present texture structure shape.As shown in Figure 2, the described receiving element 7 of described depth camera 3 gathers and receives the infrared light of the described texture structure that described screen 2 reflects, and it is processed thermomechanical processing described in rear generation by described imageing sensor 8.Described texture structure is striated structure, network or dots structure, wherein, and preferred striated structure infrared light.Use striated structure infrared light, the feature that structural light measurement technology has fast, precision is high, be convenient to the described thermomechanical processing that described depth camera 3 receives the generation of described screen 2.
Further, as shown in Figure 4, described screen 2 comprises:
Viewing area 9, for receiving the display frame that described projector 1 provides; With
Functional areas 10, for arranging one or more icon area 11, these functional areas 10 can be any or polygon of four limits on described screen 2.
Wherein, described viewing area 9 is main man-machine interaction district, in described viewing area 9 scope, directly can modify, realize the interaction of user and display frame to described display frame.
In addition, described icon area 11 is the number order region of presetting in described functional areas 10 scope, the corresponding order of each icon area 11.A deformation region is produced when pointing or other objects touch certain band of position of described functional areas 10, described deformation region is overlapping with described icon area 11 or when partly overlapping, described depth camera 3 produces default thermomechanical processing and passes to described instruction device 4, the thermomechanical processing that described instruction device 4 sends according to described depth camera 3 sends corresponding instruction, realizes the functions such as the switching of the image to described screen 2.Described viewing area 9 is the scope that described projector 1 and described depth camera 3 can project jointly, and described functional areas 10 can not be projected by described projector 1.
Further, described screen 2 is horizontal positioned, such as, be positioned on desktop; Vertical placement, such as, hang on wall; Such as, or slant setting, is arranged on the junction of roof and wall.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. a projection arrangement, is characterized in that, comprising:
Projector, for providing display frame;
Screen, when a certain region of described screen surface is under pressure, the action direction along described pressure forms deformation region;
Depth camera, the deformation region described in detection, and produce thermomechanical processing;
Instruction device, is connected to described depth camera, the thermomechanical processing described in reception, and sends the instruction matched with described thermomechanical processing to described projector;
Described projector according to described instruction, the display frame described in adjustment.
2. projection arrangement according to claim 1, is characterized in that,
Described deformation region is the region protruding from screen surface, or for being depressed in the region of described screen.
3. projection arrangement according to claim 1, is characterized in that,
Described projector and described depth camera are positioned at homonymy or the heteropleural of described screen.
4. projection arrangement according to claim 1, is characterized in that,
Described depth camera comprises:
Transmitter unit, for providing light source to described screen;
Receiving element, for receiving the light that described screen reflection returns; And
Imageing sensor, according to the thermomechanical processing described in the light generation that described receiving element receives.
5. projection arrangement according to claim 4, is characterized in that,
Described transmitter unit is infrared light transmitter elements.
6. projection arrangement according to claim 4, is characterized in that,
Described transmitter unit is for providing the light source of texture structure optical pattern.
7. projection arrangement according to claim 1, is characterized in that,
Described screen comprises:
Viewing area, for receiving the display frame that projector provides; With
Functional areas, for arranging one or more icon area;
Wherein, described deformation region is overlapping with described icon area or when partly overlapping, and described depth camera produces presets thermomechanical processing.
8. projection arrangement according to claim 1, is characterized in that,
Described screen is horizontal positioned, vertically placement or slant setting.
9. projection arrangement according to claim 6, is characterized in that,
Described texture structure optical pattern, be by provide to described screen in the light path of infrared light arrange have textured structure film realize, or adopt on the camera lens of described transmitter unit photoetching technique carve one deck textured structure realize.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420430299.XU CN204066012U (en) | 2014-07-31 | 2014-07-31 | A kind of projection arrangement |
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| CN201420430299.XU CN204066012U (en) | 2014-07-31 | 2014-07-31 | A kind of projection arrangement |
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| CN204066012U true CN204066012U (en) | 2014-12-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282535A (en) * | 2015-10-22 | 2016-01-27 | 神画科技（深圳）有限公司 | 3D projection system and 3D projection method in 3D space environment |
| WO2018205275A1 (en) * | 2017-05-12 | 2018-11-15 | Microsoft Technology Licensing, Llc. | Touch operated surface |
| CN114815239A (en) * | 2021-01-29 | 2022-07-29 | 华为技术有限公司 | Head-mounted display device and picture display method thereof |
-
2014
- 2014-07-31 CN CN201420430299.XU patent/CN204066012U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105282535A (en) * | 2015-10-22 | 2016-01-27 | 神画科技（深圳）有限公司 | 3D projection system and 3D projection method in 3D space environment |
| CN105282535B (en) * | 2015-10-22 | 2018-05-01 | 神画科技（深圳）有限公司 | 3D stereo projection systems and its projecting method under three-dimensional space environment |
| WO2018205275A1 (en) * | 2017-05-12 | 2018-11-15 | Microsoft Technology Licensing, Llc. | Touch operated surface |
| US11061514B2 (en) | 2017-05-12 | 2021-07-13 | Microsoft Technology Licensing, Llc | Touch operated surface |
| CN114815239A (en) * | 2021-01-29 | 2022-07-29 | 华为技术有限公司 | Head-mounted display device and picture display method thereof |
| CN114815239B (en) * | 2021-01-29 | 2023-11-10 | 华为技术有限公司 | Head-mounted display device and picture display method thereof |
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