CN105451007A - Interactive projection system and method - Google Patents
Interactive projection system and method Download PDFInfo
- Publication number
- CN105451007A CN105451007A CN201510785357.XA CN201510785357A CN105451007A CN 105451007 A CN105451007 A CN 105451007A CN 201510785357 A CN201510785357 A CN 201510785357A CN 105451007 A CN105451007 A CN 105451007A
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- Prior art keywords
- interactive
- imaging plane
- projection
- project content
- operand
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3179—Video signal processing therefor
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
Abstract
The invention provides an interactive projection system and method. The system includes a projector, a camera, and a processing unit, the projector projects projection content to an imaging plane, a projection image is formed on the imaging plane, the camera acquires the image on the imaging plane, and the processing unit is connected with the projector and the camera, identifies the interactive operation based on the image acquired by the camera, generates the projection content based on the interactive operation, and calibrates the projection content. The interactive projection system and method realize the real-time tracking interaction of the user interactive operation, and are advantageous in that the projected image does not deform, an abundant interactive manner is provided, and the application condition is not limited.
Description
Technical field
The present invention relates to projection imaging technical field, particularly relate to a kind of interactive projection system and method.
Background technology
Projecting apparatus is widely applied in all kinds of scene at present, comprises large-scale outdoor projection, video conference projection or miniature desktop projection etc.But in numerous types of applications scenes, projecting apparatus can not carry out interaction with the behavior of user usually.
Be directed to above-mentioned can not with the defect of the behavior interaction of user, progressively develop and utilized laser designator to carry out interaction, utilize the interaction methods such as Infrared laser emission device Scanning Detction finger touch position, but the former interaction mode is still comparatively dull, and the cost of the latter is higher, and Infrared laser emission device need be close to imaging plane installation, limits the degree of freedom of installing scene.
Summary of the invention
Provide hereinafter about brief overview of the present invention, to provide about the basic comprehension in some of the present invention.Should be appreciated that this general introduction is not summarize about exhaustive of the present invention.It is not that intention determines key of the present invention or pith, and nor is it intended to limit the scope of the present invention.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The invention provides a kind of application scenarios is not limited, the interactive operation of real-time tracking user carries out interaction interactive projection system and method, and multiple abundant interaction mode is provided further.
The invention provides a kind of interactive projection system, comprising:
Projecting apparatus, for imaging plane projection project content, described imaging plane forms projected image;
Camera, for gathering the image on described imaging plane;
Processing unit, is connected with described projecting apparatus and described camera respectively, for the image recognition interactive operation according to described camera collection, and generates described project content based on described interactive operation, and calibrates described project content.
The invention provides a kind of interactive projection method, comprising:
Gather the image on imaging plane;
According to the image recognition interactive operation of described collection, and generate project content based on described interactive operation;
Described project content is calibrated;
Project the project content after described calibration to described imaging plane, described imaging plane forms projected image.
The interactive projection system that the many embodiments of the present invention provide and method are calibrated project content, exist angle carries out oblique projection and keep projection imaging indeformable between projecting apparatus and imaging plane;
The interactive projection system that some embodiments of the invention provide and method are recalibrated when the relative position change of projecting apparatus and imaging plane and regenerate mapping transformation program, and maintenance projection imaging is indeformable;
The interactive projection system that the many embodiments of the present invention provide and the interactive operation that method is gathered by processing unit identification camera, and the corresponding interactive image of calculating generation projects, and realizes the real-time tracking of user interaction operation interactive;
The interactive projection system that some embodiments of the invention provide and method, by storing interactive operation and corresponding interactive response content, provide multiple abundant interaction mode;
The interactive projection system that the many embodiments of the present invention provide and method can be projected on any imaging plane, and application scenarios is unrestricted.
Accompanying drawing explanation
Below with reference to the accompanying drawings illustrate embodiments of the invention, above and other objects, features and advantages of the present invention can be understood more easily.Parts in accompanying drawing are just in order to illustrate principle of the present invention.In the accompanying drawings, same or similar technical characteristic or parts will adopt same or similar Reference numeral to represent.
Fig. 1 is the structural representation of interactive projection system in one embodiment of the invention.
Fig. 2 is the structural representation of interactive projection system in another embodiment of the present invention.
Fig. 3 is the flow chart of interactive projection method in one embodiment of the invention.
Fig. 4 is the flow chart of step S50 in the method for interactive projection shown in Fig. 3.
Fig. 5 is the flow chart of the preferred embodiment of the method for interactive projection shown in Fig. 3.
Fig. 6 is the flow chart of step S10 in the method for interactive projection shown in Fig. 5.
Description of reference numerals:
10 interactive projection systems
101 projecting apparatus
103 cameras
105 processing units
107 memory cell
Embodiment
With reference to the accompanying drawings embodiments of the invention are described.The element described in an accompanying drawing of the present invention or a kind of execution mode and feature can combine with the element shown in one or more other accompanying drawing or execution mode and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process in illustrating.
Fig. 1 is the structural representation of interactive projection system in one embodiment of the invention.
As shown in Figure 1, in the present embodiment, interactive projection system 10 comprises:
Projecting apparatus 101, for imaging plane projection project content, described imaging plane forms projected image;
Camera 103, for gathering the image on described imaging plane;
Processing unit 105, is connected with projecting apparatus 101 and camera 103 respectively, for the image recognition interactive operation gathered according to camera 103, and generates described project content based on described interactive operation, and calibrates described project content.
Particularly, in interactive projection system 10 shown in Fig. 1, projecting apparatus 101 is connected with processing unit 105 respectively by travel(l)ing rest with camera 103, goes for different imaging planes, thus is better applied to types of applications scene.
Fig. 2 is the structural representation of interactive projection system in another embodiment of the present invention.
Particularly, as shown in Figure 2, in the embodiment depicted in figure 2, projecting apparatus 101 is not connected with processing unit 105 with camera 103, is arranged on the same face of interactive projection system 10.Compared to the interactive projection system shown in Fig. 1, interactive projection system shown in Fig. 2 is more convenient for carrying, by the angle of support adjustment projection, and without the need to adjusting projecting apparatus 101 respectively and camera 103 cooperatively interacts, the imaging region making the acquisition range of camera 103 cover projecting apparatus 101 to project.
In a preferred embodiment, interactive projection system 10 also comprises:
Memory cell 107, is connected with processing unit 105, for storing described interactive operation and corresponding interactive response content;
Processing unit 105 comprises:
Project content determination subelement, for the image recognition interactive operation gathered according to camera 103, read corresponding interactive response content according to described interactive operation from described memory cell, and generate described project content based on the interactive response content of described reading.
In a preferred embodiment, described identification interactive operation comprises following at least one the parameter of identification: action type, operand and operating position;
Described project content determination subelement determines the projected position of described project content according to the image of described collection, described interactive operation and described interactive corresponding contents.
In a preferred embodiment, described interactive operation comprises following at least one item:
Described imaging plane places operand;
Move and/or rotate described operand;
Click the region on described operand or described operand;
Wherein, described operand is card or other objects with identifiable design mark.
In a preferred embodiment, described identifiable design is designated visible ray mark and/or infrared light mark.
In a preferred embodiment, processing unit 105 also comprises:
Calibration subelement, for utilizing mapping transformation program to calibrate described project content, and utilizing projecting apparatus 101 and camera 103 to recalibrate projection, generating described mapping transformation program.
Particularly, when interactive projection system 10 is arranged in new applied environment, projecting apparatus 103 and camera 105 all change with imaging plane angulation respectively, and former mapping transformation program is no longer applicable to new applied environment, need to re-start calibrate and generate new mapping transformation program.
In a preferred embodiment, described projection to be recalibrated, generates described mapping transformation program and comprise:
Projecting apparatus is preset with the first calibration chart picture of first group of key point to described imaging plane projection, and described imaging plane is formed the second calibration chart picture being provided with second group of key point;
The second calibration chart picture on imaging plane described in camera collection;
Described calibration subelement identifies second group of key point in described second calibration chart picture, generates described mapping transformation program according to described first group of key point and described second group of key point.
Fig. 3 is the flow chart of interactive projection method in one embodiment of the invention.
As shown in Figure 3, in the present embodiment, interactive projection method comprises:
S30: gather the image on imaging plane;
S50: according to the image recognition interactive operation of described collection, and generate project content based on described interactive operation;
S70: described project content is calibrated;
S90: project the project content after described calibration to described imaging plane, described imaging plane forms projected image.
The interactive projection method that the above embodiment of the present invention provides is calibrated project content, exists angle carries out oblique projection and keep projection imaging indeformable between projecting apparatus and imaging plane;
The interactive projection method that the above embodiment of the present invention provides is also by the interactive operation that processing unit identification camera gathers, and the corresponding interactive image of calculating generation projects, and realizes the real-time tracking of user interaction operation interactive.
Fig. 4 is the flow chart of step S50 in the method for interactive projection shown in Fig. 3.
As shown in Figure 4, in a preferred embodiment, step S50 comprises:
S501: according to the image recognition interactive operation of described collection;
S503: read corresponding interactive response content according to described interactive operation;
S505: the interactive response content based on described reading generates described project content.
The interactive projection method that the above embodiment of the present invention provides, by storing interactive operation and corresponding interactive response content, provides multiple abundant interaction mode.
In a preferred embodiment, described identification interactive operation comprises following at least one the parameter of identification: action type, operand and operating position.
Step S505 also comprises: described identification interactive operation comprises following at least one the parameter of identification: action type, operand and operating position.
In a preferred embodiment, described interactive operation comprises following at least one item:
Described imaging plane places operand;
Move and/or rotate described operand;
Click the region on described operand or described operand;
Wherein, described operand is card or other objects with identifiable design mark.
In a preferred embodiment, described identifiable design is designated visible ray mark and/or infrared light mark.
Particularly, processing unit identifies described interactive operation by various ways, such as:
Special pattern on identification card and position thereof;
Whether the special pattern on the projection pattern/card in recognition imaging region is blocked, and the position of blocking;
Identify put the special shape of object, or put the special pattern that object has, and the position of putting;
Launch infrared light to imaging plane, identify the card/object with the pattern drawn with the material of Absorbable rod infrared band, and the position of the pattern of the material drafting of described Absorbable rod infrared band.In the present embodiment, the material of described Absorbable rod infrared band is infrared ink.In more embodiments, the material of described Absorbable rod infrared band can be the material of multiple wave bands such as Absorbable rod infrared band, visible light wave range, as long as can absorb infrared band, can realize same technique effect.
Described interactive operation and corresponding interactive response content is had in memory cell 107.Such as, place pattern of the earth card, correspond to the moon map picture adding and rotate around pattern of the earth card; Mobile earth pattern card sheet, corresponding to the moon map picture that synchronizing moving rotates around pattern of the earth card; Click the Jupiter pattern in the solar system, correspond to the Io and Europa image that add and rotate around Jupiter pattern, etc.
For mobile earth pattern card sheet, after the pattern of the earth card on imaging plane moves, the position that processing unit 101 identifies pattern of the earth card changes, calculate relative displacement, from the moon map picture that the memory cell 107 reading synchronizing moving corresponding with mobile earth pattern card sheet rotates around pattern of the earth card, generate moon map as synchronizing moving, still around the interactive image that the pattern of the earth card after movement rotates, recycle described mapping transformation program to calibrate described interactive image, projecting apparatus 103 is to the interactive image after described imaging plane projection calibrating, finally complete the real-time tracking interaction to user interaction operation.
Fig. 5 is the flow chart of the preferred embodiment of the method for interactive projection shown in Fig. 3.
As shown in Figure 5, in a preferred embodiment, also comprise before step S30:
S10: recalibrate projection, generates the mapping transformation program for calibrating described project content.
The interactive projection method that the above embodiment of the present invention provides is recalibrated when the relative position change of projecting apparatus and imaging plane and regenerates mapping transformation program, and maintenance projection imaging is indeformable.
Fig. 6 is the flow chart of step S10 in the method for interactive projection shown in Fig. 5.
As shown in Figure 6, in a preferred embodiment, step S10 specifically comprises:
S101: the first calibration chart picture being preset with first group of key point to described imaging plane projection, described imaging plane is formed the second calibration chart picture being provided with second group of key point;
S103: gather the second calibration chart picture on described imaging plane;
S105: identify second group of key point in described second calibration chart picture, generates described mapping transformation program according to described first group of key point and described second group of key point.
Particularly, in the present embodiment, described first calibration chart picture is rectangle, when projecting apparatus 101 with angle of inclination but not Vertical dimension imaging plane projection time, described second calibration chart picture is deformed into irregular quadrangle usually, and described second group of key point also deviate from the position of described first group of key point in described first calibration chart picture relative to the position of imaging region.Described imaging region is the target area that projecting apparatus 101 projects.
When camera 103 is perpendicular to described imaging region center, after processing unit 105 receives the image of camera 103 collection, directly from the described image collected, identify described second calibration chart picture and described second group of key point, calculate according to described first group of key point and described second group of key point and generate mapping transformation program.
When camera 103 and imaging plane are angle of inclination, after processing unit 105 receives the image of camera 103 collection, the angle of inclination of camera 103 and described imaging plane is calculated according to the image received, the image perpendicular to described imaging region center visual angle is restored according to angle of inclination, therefrom identify described second calibration chart picture and described second group of key point again, calculate according to described first group of key point and described second group of key point and generate mapping transformation program.
After processing unit 105 regenerates mapping transformation program, mapping transformation program is utilized image to be projectedly to calibrate rectangular first, it is trapeziform second image to be projected for generating shape, projecting apparatus 101 is described second image to be projected to imaging plane projection, it is rectangular projected image that described imaging plane is formed shape, finally completes the calibration operation to oblique projection imaging distortion.
It should be noted that; described first calibration chart picture and be describedly image to be projectedly not limited to the rectangular shape adopted in above-described embodiment; adopt the calibration chart picture of other shape and image to be projected there is same technique effect; belong to the direct replacement of those skilled in the art's common technology means, be still covered by the protection range of above-mentioned execution mode.
The interactive projection system that the above-mentioned many embodiments of the present invention provide and method can be projected on any imaging plane, and application scenarios is unrestricted.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (14)
1. an interactive projection system, is characterized in that, comprising:
Projecting apparatus, for imaging plane projection project content, described imaging plane forms projected image;
Camera, for gathering the image on described imaging plane;
Processing unit, is connected with described projecting apparatus and described camera respectively, for the image recognition interactive operation according to described camera collection, and generates described project content based on described interactive operation, and calibrates described project content.
2. interactive projection system according to claim 1, is characterized in that, also comprises:
Memory cell, is connected with described processing unit, for storing described interactive operation and corresponding interactive response content;
Described processing unit comprises:
Project content determination subelement, for the image recognition interactive operation according to described camera collection, read corresponding interactive response content according to described interactive operation from described memory cell, and generate described project content based on the interactive response content of described reading.
3. interactive projection system according to claim 2, is characterized in that, described identification interactive operation comprises following at least one the parameter of identification: action type, operand and operating position;
Described project content determination subelement determines the projected position of described project content according to the image of described collection, described interactive operation and described interactive corresponding contents.
4. the interactive projection system according to any one of claim 1-3, is characterized in that, described interactive operation comprises following at least one item:
Described imaging plane places operand;
Move and/or rotate described operand;
Click the region on described operand or described operand;
Wherein, described operand is card or other objects with identifiable design mark.
5. interactive projection system according to claim 4, is characterized in that, described identifiable design is designated visible ray mark and/or infrared light mark.
6. interactive projection system according to claim 2, is characterized in that, described processing unit also comprises:
Calibration subelement, for utilizing mapping transformation program to calibrate described project content, and utilizing described projecting apparatus and described camera to recalibrate projection, generating described mapping transformation program.
7. interactive projection system according to claim 6, is characterized in that, describedly recalibrates projection, generates described mapping transformation program and comprises:
Projecting apparatus is preset with the first calibration chart picture of first group of key point to described imaging plane projection, and described imaging plane is formed the second calibration chart picture being provided with second group of key point;
The second calibration chart picture on imaging plane described in camera collection;
Described calibration subelement identifies second group of key point in described second calibration chart picture, generates described mapping transformation program according to described first group of key point and described second group of key point.
8. an interactive projection method, is characterized in that, comprising:
Gather the image on imaging plane;
According to the image recognition interactive operation of described collection, and generate project content based on described interactive operation;
Described project content is calibrated;
Project the project content after described calibration to described imaging plane, described imaging plane forms projected image.
9. interactive projection method according to claim 8, is characterized in that, the described image recognition interactive operation according to described collection, and comprises based on described interactive operation generation project content:
According to the image recognition interactive operation of described collection;
Corresponding interactive response content is read according to described interactive operation;
Interactive response content based on described reading generates described project content.
10. interactive projection method according to claim 9, is characterized in that, described identification interactive operation comprises following at least one the parameter of identification: action type, operand and operating position;
The described interactive response content based on described reading generates described project content and also comprises: the projected position determining described project content according to the image of described collection, described interactive operation and described interactive corresponding contents.
11. interactive projection methods according to Claim 8 described in-10 any one, it is characterized in that, described interactive operation comprises following at least one item:
Described imaging plane places operand;
Move and/or rotate described operand;
Click the region on described operand or described operand;
Wherein, described operand is card or other objects with identifiable design mark.
12. interactive projection methods according to claim 11, is characterized in that, described identifiable design is designated visible ray mark and/or infrared light mark.
13. interactive projection methods according to claim 8, is characterized in that, also comprise before the image on described collection imaging plane:
Projection being recalibrated, generating the mapping transformation program for calibrating described project content.
14. interactive projection methods according to claim 13, is characterized in that, describedly recalibrate projection, and the mapping transformation program generated for calibrating described project content comprises:
Be preset with the first calibration chart picture of first group of key point to described imaging plane projection, described imaging plane is formed the second calibration chart picture being provided with second group of key point;
Gather the second calibration chart picture on described imaging plane;
Identify second group of key point in described second calibration chart picture, generate described mapping transformation program according to described first group of key point and described second group of key point.
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| CN201510785357.XA CN105451007A (en) | 2015-11-16 | 2015-11-16 | Interactive projection system and method |
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Cited By (12)
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| CN106775557A (en) * | 2016-11-28 | 2017-05-31 | 墨宝股份有限公司 | The interactive system and method for a kind of intelligent robot and virtual 3D |
| CN107102736A (en) * | 2017-04-25 | 2017-08-29 | 上海唱风信息科技有限公司 | The method for realizing augmented reality |
| CN107122731A (en) * | 2017-04-25 | 2017-09-01 | 上海唱风信息科技有限公司 | Augmented reality device |
| CN108211356A (en) * | 2017-12-30 | 2018-06-29 | 神画科技（深圳）有限公司 | A kind of stage property recognition methods and system based on projecting apparatus |
| CN108683895A (en) * | 2018-04-16 | 2018-10-19 | 广景视睿科技（深圳）有限公司 | A kind of interaction instrument and interaction method |
| WO2018209724A1 (en) * | 2017-05-19 | 2018-11-22 | 广景视睿科技（深圳）有限公司 | A direction adjustable projector |
| CN109447052A (en) * | 2019-01-09 | 2019-03-08 | 东浓智能科技(上海)有限公司 | A kind of vena metacarpea identification device being accurately positioned palm position and its implementation |
| CN109917907A (en) * | 2019-01-29 | 2019-06-21 | 长安大学 | A kind of feed stories plate exchange method based on card |
| CN110134221A (en) * | 2018-02-09 | 2019-08-16 | 无锡四维交互数字科技有限公司 | A kind of device and method carrying out information exchange based on Smart Logo |
| CN110573420A (en) * | 2017-03-28 | 2019-12-13 | 牛顿诺伊德技术有限公司 | fixing device |
| CN111402325A (en) * | 2020-03-11 | 2020-07-10 | 广州志胜游艺设备有限公司 | Automatic calibration method for interactive projection game |
| WO2020261851A1 (en) * | 2019-06-28 | 2020-12-30 | 富士フイルム株式会社 | Projection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106775557A (en) * | 2016-11-28 | 2017-05-31 | 墨宝股份有限公司 | The interactive system and method for a kind of intelligent robot and virtual 3D |
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| CN110134221A (en) * | 2018-02-09 | 2019-08-16 | 无锡四维交互数字科技有限公司 | A kind of device and method carrying out information exchange based on Smart Logo |
| CN108683895A (en) * | 2018-04-16 | 2018-10-19 | 广景视睿科技（深圳）有限公司 | A kind of interaction instrument and interaction method |
| CN109447052A (en) * | 2019-01-09 | 2019-03-08 | 东浓智能科技(上海)有限公司 | A kind of vena metacarpea identification device being accurately positioned palm position and its implementation |
| CN109917907A (en) * | 2019-01-29 | 2019-06-21 | 长安大学 | A kind of feed stories plate exchange method based on card |
| CN109917907B (en) * | 2019-01-29 | 2022-05-03 | 长安大学 | Card-based dynamic storyboard interaction method |
| WO2020261851A1 (en) * | 2019-06-28 | 2020-12-30 | 富士フイルム株式会社 | Projection device |
| CN111402325A (en) * | 2020-03-11 | 2020-07-10 | 广州志胜游艺设备有限公司 | Automatic calibration method for interactive projection game |
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