CN106055092A - Method and system for implementing interactive projection - Google Patents
Method and system for implementing interactive projection Download PDFInfo
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- CN106055092A CN106055092A CN201610333295.3A CN201610333295A CN106055092A CN 106055092 A CN106055092 A CN 106055092A CN 201610333295 A CN201610333295 A CN 201610333295A CN 106055092 A CN106055092 A CN 106055092A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0425—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an imaged reference surface, e.g. video camera imaging a display or a projection screen, a table or a wall surface, on which a computer generated image is displayed or projected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Controls And Circuits For Display Device (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a method and system for implementing interactive projection. The method comprises the steps that a projection content is input to a projector, so that the projector can implement the projection according to the projection content; when an interactive operation body located between a projection picture of the projector and an image collection device executes an interactive operation, an interactive image at the location of the projection picture of the projector can be collected by the image collection device; a picture of the interactive operation body is recognized from the interactive image according to a preset recognition algorithm, and interactive operation characteristic information existing when the interactive operation body conducts the interactive operation is extracted according to the picture of the interactive operation body, wherein the picture of the interactive operation body refers to a picture of the interactive operation body in the interactive image; and according to the interactive operation characteristic information, the projection content of the projector is adjusted, and the step of inputting the projection content to the projector is restarted. In this way, the method and the system disclosed by the invention can implement the interactive projection at any time and any place; and a user can enjoy a fluent interactive projection feast as much as possible.
Description
Technical field
The present invention relates to projection art, particularly relate to a kind of method and system realizing interaction.
Background technology
Projector, be a kind of can be by the equipment on image or VIDEO PROJECTION to projection screen, it projects to projection screen
On image or video keeping presenting several times in the case of definition or decades of times is amplified, be convenient for people to viewing,
Also giving the visual field that people are open, therefore, projector is welcome by user deeply.
Interaction becomes more and more popular in recent years, and interaction refers to use computer vision technique and Projection Display skill
Art, identifies that user uses foot or hands to operate with the virtual scene in view field, and according to operation adjustment project content, from
And build the technology of the interactive experience of a kind of innervation.At present, interaction is based primarily upon infrared when identifying the operation of user
Technology directly detects the operational motion of user, and when projecting environment and changing, operation dynamic trajectory is difficult to accurately identify
And location, greatly affect the effect of interaction.
Summary of the invention
The technical problem that present invention mainly solves is to provide a kind of method and system realizing interaction, it is possible in projection
In the environment of environment instability, it is also possible to draw accurate interactive operation characteristic information, realize alternative projection whenever and wherever possible,
User can enjoy smooth interaction grand banquet heartily.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides a kind of and realizes interaction
Method, including: input project content to projector, so that described projector projects according to described project content；It is being positioned at
When interactive operation body between projected picture and the image collecting device of described projector performs interactive operation, by described image
Harvester gathers the interaction figure picture of the projected picture position of described projector；According to default recognizer, from described friendship
Mutually image is known and described interactive operation body picture, and hand over according to the interactive operation body picture described interactive operation body of extraction
Interactive operation characteristic information during interoperability, wherein, described interactive operation body picture refers to that interactive operation body is in interaction figure picture
Picture；According to described interactive operation characteristic information, adjust the project content of described projector, and return described to projector
The step of input project content.
Wherein, grasping alternately when described interactive operation body interacts operation is extracted described according to interactive operation body picture
After making the step of characteristic information, described method also includes: according to default block algorithm, mark off some at described interaction figure picture
Individual interactive operation region；Obtain described interactive operation body picture in the position of described interaction figure picture, and according to interactive operation body
Picture is in the interactive operation region belonging to interactive operation body picture described in the position acquisition of described interaction figure picture；According to described alternately
Performance characteristic information, the step of the project content adjusting described projector includes: according to described interactive operation characteristic information, and
In conjunction with the interactive operation region belonging to described interactive operation body picture, generate operational order；According to described operational order, adjust institute
State the project content of projector.
Wherein, described method also includes: from default audio frequency storehouse, extracts the audio frequency literary composition corresponding with described operational order
Part；During the project content adjusting described projector, according to the audio file output interactive audio got.
Wherein, described interactive operation characteristic information includes the movement locus of interactive operation body, CF.
For solving above-mentioned technical problem, another technical solution used in the present invention is: provide one to realize interaction
System, including processor, projector and image collecting device, wherein, described processor respectively with projector and image acquisition
Device connects；Described processor, is used for: input project content to projector, so that described projector is according to described project content
Project, when the interactive operation body between described projector and image collecting device performs interactive operation, by institute
State the interaction figure picture of the projected picture position of projector described in image acquisition device, and calculate according to default identification
Method, knows from described interaction figure picture and described interactive operation body picture, and described alternately according to the extraction of interactive operation body picture
Operating body interacts interactive operation characteristic information during operation, and wherein, described interactive operation body picture refers to interactive operation body
Picture in interaction figure picture, and according to described interactive operation characteristic information, adjust the project content of described projector, and
Return the described step to projector input project content.
Wherein, described processor is at the described projected picture place by projector described in described image acquisition device
After the step of the interaction figure picture of position, it is additionally operable to, according to presetting block algorithm, mark off several at described interaction figure picture and hand over
Interoperability region, and obtain described interactive operation body picture in the position of described interaction figure picture, and according to interactive operation body
Picture is in the interactive operation region belonging to interactive operation body picture described in the position acquisition of described interaction figure picture；Described processor root
According to described interactive operation characteristic information, the step of the project content adjusting described projector includes: special according to described interactive operation
Reference ceases, and combines the interactive operation region belonging to described interactive operation body picture, generates operational order, and according to described
Operational order, adjusts the project content of described projector.
Wherein, described system also includes audio output device and storage device, described audio output device and storage device
Being connected with processor respectively, described storage device is used for storing default audio frequency storehouse；Described processor is additionally operable to from storage device
Preset in audio frequency storehouse, extract the audio file corresponding with described operational order, and in the projection adjusting described projector
During appearance, export the audio file got to described audio output device, so that described audio output device is according to institute
State the audio file output interactive audio got.
Wherein, described image collector is set to photographic head.
Wherein, described interactive operation characteristic information includes the movement locus of interactive operation body, CF.
The invention has the beneficial effects as follows: be different from the situation of prior art, the present invention is when the projected picture being positioned at projector
And when the interactive operation body between image collecting device performs interactive operation, by the projection of image acquisition device projector
The interaction figure picture of picture position, owing to interactive operation body is positioned at the front of image collecting device, adopts at image collecting device
Collection projected picture position interaction figure as time, interaction figure picture can comprise interactive operation body picture, by mutual image recognition
Go out interactive operation body and perform interactive operation characteristic information during interactive operation, and according to interactive operation characteristic information, adjust projection
The project content of instrument, it is achieved alternative projection, and the present invention is to identify by including the interaction figure picture of interactive operation body picture
Interactive operation characteristic information, in the environment of projection environment instability, it is also possible to show that accurate interactive operation feature is believed
Breath, realizes alternative projection whenever and wherever possible, and user can enjoy smooth interaction grand banquet heartily.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention realizes method first embodiment of interaction；
Fig. 2 is the schematic diagram that the interactive picture in embodiment of the present invention covers projected picture；
Fig. 3 is the flow chart that the present invention realizes method second embodiment of interaction；
Fig. 4 is will to mark off the schematic diagram in four interactive operation regions in interactive picture in embodiment of the present invention；
Fig. 5 is by the interactive operation body picture schematic diagram in H district in embodiment of the present invention；
Fig. 6 is by the interactive operation body picture schematic diagram in G district in embodiment of the present invention；
Fig. 7 is the schematic diagram that the present invention realizes the system embodiment of interaction.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Refer to Fig. 1, it is achieved the method for interaction includes:
Step S201: input project content to projector, so that projector projects according to project content；
Projector can project projected picture when projection, and projected picture can become according to the change of project content
Change.
Step S202: the interactive operation body between at the projected picture and image collecting device of projector performs mutual
During operation, by the interaction figure picture of the projected picture position of image acquisition device projector；
The viewfinder range of image collecting device covers projected picture, in the present embodiment, it is preferred that image collecting device
The scope that covered of viewfinder range more than the scope of projection picture.Owing to interactive operation body is positioned at image collecting device and projection
Between picture, and interactive operation body is positioned at the front of image collecting device, therefore, the image bag that image acquisition device arrives
Containing interactive operation body picture and projected picture, as shown in Figure 2.Certainly, interactive operation body picture and projected picture can part or
Person is the most overlapping, and certainly, interactive operation body picture can not also be overlapping with projected picture.
Step S203: according to default recognizer, knows from interaction figure picture and interactive operation body picture, and according to alternately
Operating body picture extraction interactive operation body interacts interactive operation characteristic information during operation, wherein, interactive operation body picture
Refer to interactive operation body picture in interaction figure picture；
Interactive operation body can produce interactive operation characteristic information when operating, and interactive operation characteristic information can handed over
Image presents mutually, therefore, it can extract interactive operation characteristic information from interaction figure picture, in the present embodiment, grasps alternately
The movement locus of interactive operation body, CF is included as characteristic information.
Step S204: according to interactive operation characteristic information, adjust the project content of projector, and return to projector defeated
Enter the step of project content.
Distinct interaction performance characteristic information, can represent different operations, such as: if interactive operation characteristic information is fist
Head, being also interactive operation body is fist, then close current project content；If interactive operation characteristic information is interactive operation body
In to the movement locus of left movement, then switch project content.
Owing to interactive operation body is positioned at the front of image collecting device, at image acquisition device projected picture, institute is in place
The interaction figure put as time, interaction figure picture can comprise interactive operation body picture, such that it is able to mutual by identify in interaction figure picture
Operating body picture, and obtain interactive operation characteristic information according to interactive operation body picture, compared to, infrared technique interaction
Method, it is not readily susceptible to the impact of environment, interactive higher, such as: with hands operation interface directly operate, it appears that more
Intuitively, and can directly detect interactive operation body, more flexibly, limitation is little, simultaneously can be to color, shape, or
Dynamic movement locus can be carried out detecting and obtains, then obtains result by processor process, and these are all infrared techniques
Interaction is not accomplished.
In order to extend the content of interactive operation, it is also possible to interaction figure picture to be carried out piecemeal, same interactive operation characteristic information
When different piecemeal, can represent different operating, certainly, the different interactive operation characteristic information of same piecemeal also represents difference
Operation, then refer to Fig. 3, and after step S203, method also includes:
Step S205: according to default block algorithm, mark off several interactive operation regions at interaction figure picture；
Default block algorithm can pre-define, and the partitioned mode that different projected pictures uses can be different, because of
Different for the content inside two different projection pages, object to be operated is the most different.Can be understood as will
Mobile phone projector is gone out, different interfaces, and the object of operation is not quite similar, and partitioned mode is certain the most identical.
Step S206: acquisition interactive operation body picture is in the position of interaction figure picture, and exists according to interactive operation body picture
The interactive operation region belonging to position acquisition interactive operation body picture of interaction figure picture；
Step S204 particularly as follows: according to interactive operation characteristic information, and combine belonging to interactive operation body picture mutual
Operating area, generates operational order, and according to operational order, adjusts the project content of projector.
True by two, the interactive operation region two-dimensional signal belonging to interactive operation characteristic information and interactive operation body picture
Determine operational order, can significantly extended operation instruction quantity.As shown in Figure 4, interaction figure picture is divided into four interactive operation districts
Territory, respectively E, F, G, H district, interactive reaction produced by interactive operation characteristic information identical on different coordinate positions is not
With, on same coordinate position, cross reaction produced by distinct interaction performance characteristic information is the most different, such as: as it is shown in figure 5, work as
When user interacts operation in view field, interaction figure picture will be collected through image collecting device and be sent to processor,
Processor carries out pretreatment to the interaction figure picture got, and after removing interference factor, identifies the interactive operation at interactive operation place
H district, region, identifies operational order in conjunction with H district and interactive operation characteristic information.The most as shown in Figure 6, the mutual behaviour after identifying
Make the region at place when being G district, even if the interactive operation characteristic information in Fig. 5 is identical with interactive operation characteristic information in Fig. 6, and
And both are positioned at different interactive operation regions, therefore, operational order produced by both differs.Further, for
Operator is facilitated to identify the piecemeal that interactive operation body is currently located, by other projector on projected picture position
Superposition projection piecemeal line.
In order to increase the interactive of projection, operated by interactive operation body, it is also possible to according to different operating, output
Related audio, referring to Fig. 3, method also includes:
Step S207: from default audio frequency storehouse, extracts the audio file corresponding with operational order；
Different audio files represent alternative sounds, and audio file and operational order one_to_one corresponding.
Step S208: during the project content adjusting projector, mutual according to the audio file output got
Audio frequency；
By interactive audio indicate interactive operation body Successful Operation, increase projection with operator between interactive.
In embodiments of the present invention, the interactive operation between at the projected picture and image collecting device of projector
When body performs interactive operation, by the interaction figure picture of the projected picture position of image acquisition device projector, due to
Interactive operation body is positioned at the front of image collecting device, at the interaction figure picture of image acquisition device projected picture position
Time, interaction figure picture can comprise interactive operation body picture, is identified when interactive operation body performs interactive operation by interaction figure picture and hands over
Interoperability characteristic information, and according to interactive operation characteristic information, adjust the project content of projector, it is achieved alternative projection, and
The present invention is to identify interactive operation characteristic information by including the interaction figure picture of interactive operation body picture, at projection environment not
In the environment of Wen Ding, it is also possible to draw accurate interactive operation characteristic information, realize alternative projection, Yong Huke whenever and wherever possible
The interaction grand banquet enjoying smoothness heartily.
The present invention provides again the system embodiment realizing interaction.Refer to Fig. 7, it is achieved the system 30 of interaction
Including processor 31, projector 32 and image collecting device 33, wherein, processor 31 respectively with projector 32 and image collector
Put 33 connections.
Processor 31, is used for: input project content to projector 32, so that projector 32 is thrown according to project content
Shadow, when the interactive operation body between projector 32 and image collecting device 33 performs interactive operation, passes through image acquisition
The interaction figure picture of the projected picture position of device 33 acquired projections instrument 32, and according to default recognizer, from interaction figure
Know in Xiang and interactive operation body picture, and interact friendship during operation according to interactive operation body picture extraction interactive operation body
Interoperability characteristic information, wherein, interactive operation body picture refers to interactive operation body picture in interaction figure picture, and according to friendship
Interoperability characteristic information, adjusts the project content of projector 32, and returns the step inputting project content to projector 32.?
In present embodiment, interactive operation characteristic information includes the movement locus of interactive operation body, CF.
Owing to interactive operation body is positioned at the front of image collecting device 33, in image collecting device 33 acquired projections picture institute
Interaction figure in position as time, interaction figure picture can comprise interactive operation body picture, such that it is able to by identify interaction figure as in
Interactive operation body picture, and obtain interactive operation characteristic information according to interactive operation body picture, in projection environment instability
Under environment, it is also possible to draw accurate interactive operation characteristic information, realize alternative projection whenever and wherever possible, user can heartily
Enjoy smooth interaction grand banquet.
In order to extend the content of interactive operation, it is also possible to interaction figure picture is carried out piecemeal, by interactive operation characteristic information and
Two two-dimensional signals of piecemeal belonging to interactive operation characteristic information determine operation, and concrete, processor 31 is passing through image acquisition
After the step of the interaction figure picture of the projected picture position of device 33 acquired projections instrument 32, it is additionally operable to according to presetting piecemeal calculation
Method, marks off several interactive operation regions at interaction figure picture, and obtains interactive operation body picture in the position of interaction figure picture,
And according to interactive operation body picture in the interactive operation region belonging to the position acquisition interactive operation body picture of interaction figure picture.Place
Reason device 31 includes according to interactive operation characteristic information, the step of the project content adjusting projector 32: according to interactive operation feature
Information, and combine the interactive operation region belonging to interactive operation body picture, generate operational order, and according to operational order,
Adjust the project content of projector 32.
Further, system 30 also includes audio output device 34 and storage device 35, audio output device 34 and storage
Device 35 is connected with processor 31 respectively, and storage device 35 is used for storing default audio frequency storehouse.Processor 31 is additionally operable to from storage dress
Put in the default audio frequency storehouse of 35, extract the audio file corresponding with operational order, and in the projection adjusting projector 32
During appearance, export the audio file got to audio output device 34, so that audio output device 34 is according to getting
Audio file output interactive audio.By the interactive audio that output is relevant to operation, the interactive of alternative projection can be increased.
In the present embodiment, image collecting device 33 is preferably photographic head.
In embodiments of the present invention, mutual between at the projected picture and image collecting device 33 of projector 32
When operating body performs interactive operation, by the interaction figure of the projected picture position of image collecting device 33 acquired projections instrument 32
Picture, owing to interactive operation body is positioned at the front of image collecting device 33, at image collecting device 33 acquired projections picture, institute is in place
The interaction figure put as time, interaction figure picture can comprise interactive operation body picture, by interaction figure picture identify interactive operation body perform
Interactive operation characteristic information during interactive operation, and according to interactive operation characteristic information, adjust the project content of projector 32, real
Existing alternative projection, and the present invention is to identify interactive operation feature and believe by including the interaction figure picture of interactive operation body picture
Breath, in the environment of projection environment instability, it is also possible to draw accurate interactive operation characteristic information, realize whenever and wherever possible
Alternative projection, user can enjoy smooth interaction grand banquet heartily.
The foregoing is only embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every utilization is originally
Equivalent structure or equivalence flow process that description of the invention and accompanying drawing content are made convert, or are directly or indirectly used in what other were correlated with
Technical field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (9)
1. the method realizing interaction, it is characterised in that including:
Project content is inputted, so that described projector projects according to described project content to projector；
When interactive operation body between at the projected picture and image collecting device of described projector performs interactive operation, logical
Cross the interaction figure picture of the projected picture position of projector described in described image acquisition device；
According to default recognizer, know from described interaction figure picture and described interactive operation body picture, and according to interactive operation
The body picture described interactive operation body of extraction interacts interactive operation characteristic information during operation, wherein, described interactive operation body
Picture refers to interactive operation body picture in interaction figure picture；
According to described interactive operation characteristic information, adjust the project content of described projector, and return described defeated to projector
Enter the step of project content.
Method the most according to claim 1, it is characterised in that described described alternately according to the extraction of interactive operation body picture
After the step of interactive operation characteristic information when operating body interacts operation, described method also includes:
According to default block algorithm, mark off several interactive operation regions at described interaction figure picture；
Obtain described interactive operation body picture in the position of described interaction figure picture, and according to interactive operation body picture in described friendship
Mutually interactive operation region belonging to interactive operation body picture described in the position acquisition of image；
Described according to described interactive operation characteristic information, the step of the project content adjusting described projector includes:
According to described interactive operation characteristic information, and combine the interactive operation region belonging to described interactive operation body picture, raw
Become operational order；
According to described operational order, adjust the project content of described projector.
Method the most according to claim 2, it is characterised in that described method also includes:
From default audio frequency storehouse, extract the audio file corresponding with described operational order；
During the project content adjusting described projector, according to the audio file output interactive audio got.
Method the most according to claim 1, it is characterised in that
Described interactive operation characteristic information includes the movement locus of interactive operation body, CF.
5. the system realizing interaction, it is characterised in that include processor, projector and image collecting device, wherein,
Described processor is connected with projector and image collecting device respectively；
Described processor, is used for: input project content to projector, so that described projector is thrown according to described project content
Shadow, when the interactive operation body between described projector and image collecting device performs interactive operation, by described image
Harvester gathers the interaction figure picture of the projected picture position of described projector, and according to default recognizer, from institute
State and interaction figure picture is known described interactive operation body picture, and enter according to the interactive operation body picture described interactive operation body of extraction
Interactive operation characteristic information during row interactive operation, wherein, described interactive operation body picture refers to that interactive operation body is at interaction figure
Picture in Xiang, and according to described interactive operation characteristic information, adjust the project content of described projector, and return described
Step to projector input project content.
System the most according to claim 5, it is characterised in that
Described processor is in the friendship of the described projected picture position by projector described in described image acquisition device
Mutually after the step of image, it is additionally operable to, according to presetting block algorithm, mark off several interactive operation districts at described interaction figure picture
Territory, and obtain described interactive operation body picture in the position of described interaction figure picture, and according to interactive operation body picture in institute
State the interactive operation region belonging to interactive operation body picture described in the position acquisition of interaction figure picture；
Described processor includes according to described interactive operation characteristic information, the step of the project content adjusting described projector: root
According to described interactive operation characteristic information, and combine the interactive operation region belonging to described interactive operation body picture, generate operation
Instruction, and according to described operational order, adjust the project content of described projector.
System the most according to claim 6, it is characterised in that described system also includes audio output device and storage dress
Putting, described audio output device and storage device are connected with processor respectively, and described storage device is used for storing default audio frequency storehouse；
Described processor is additionally operable to from the default audio frequency storehouse of storage device, extracts the audio frequency literary composition corresponding with described operational order
Part, and during the project content adjusting described projector, export the audio frequency got to described audio output device
File so that described audio output device according to described in get audio file output interactive audio.
8. according to the system described in any one in claim 5～7, it is characterised in that
Described image collector is set to photographic head.
9. according to the system described in claim 5～7, it is characterised in that
Described interactive operation characteristic information includes the movement locus of interactive operation body, CF.
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|---|---|---|---|
| CN201610333295.3A CN106055092A (en) | 2016-05-18 | 2016-05-18 | Method and system for implementing interactive projection |
| PCT/CN2016/093407 WO2017197779A1 (en) | 2016-05-18 | 2016-08-05 | Method and system for implementing interactive projection |
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| CN201610333295.3A CN106055092A (en) | 2016-05-18 | 2016-05-18 | Method and system for implementing interactive projection |
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| CN107818584A (en) * | 2017-09-27 | 2018-03-20 | 歌尔科技有限公司 | Determination method and device, projecting apparatus, the optical projection system of user's finger positional information |
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| CN114694545A (en) * | 2020-12-30 | 2022-07-01 | 成都极米科技股份有限公司 | Image display method, image display device, projector, and storage medium |
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| US20140204120A1 (en) * | 2013-01-23 | 2014-07-24 | Fujitsu Limited | Image processing device and image processing method |
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| CN110519575A (en) * | 2018-05-21 | 2019-11-29 | 仁宝电脑工业股份有限公司 | Interactive projection system and interactive projecting method |
| CN110519575B (en) * | 2018-05-21 | 2021-08-24 | 仁宝电脑工业股份有限公司 | Interactive projection system and interactive projection method |
| CN110109364A (en) * | 2019-03-25 | 2019-08-09 | 深圳绿米联创科技有限公司 | Apparatus control method, device, video camera and storage medium |
| CN114694545A (en) * | 2020-12-30 | 2022-07-01 | 成都极米科技股份有限公司 | Image display method, image display device, projector, and storage medium |
| CN114694545B (en) * | 2020-12-30 | 2023-11-24 | 成都极米科技股份有限公司 | Image display method, device, projector and storage medium |
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