CN106023858B - Move the infrared projection advertisement interaction systems over the ground of anti-tampering formula - Google Patents
Move the infrared projection advertisement interaction systems over the ground of anti-tampering formula Download PDFInfo
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- CN106023858B CN106023858B CN201610628055.6A CN201610628055A CN106023858B CN 106023858 B CN106023858 B CN 106023858B CN 201610628055 A CN201610628055 A CN 201610628055A CN 106023858 B CN106023858 B CN 106023858B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
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Abstract
The present invention relates to one kind to move the infrared projection advertisement interaction systems over the ground of anti-tampering formula.The present invention includes the system frame of column structure, further includes: image capture device is fixed on the top of system frame, its camera lens leans out the system frame, computer is connected, for acquiring the image of a certain ground fixed area, and acquired image is sent to computer；Projection device is fixed on the inside of system frame, adjacent with described image acquisition equipment, computer is connected, for being projected under computer control to the ground fixed area；Computer is placed in the inside of system frame, for the coordinate matching rule according to internal preset, image capture device acquired image coordinate is converted to projected image coordinate, and projected image is sent to projection device；Several infrared ray light compensating lamps are fixed on the lower part of system frame, and the infrared light issued covers the ground fixed area.The present invention can be moved to interactive advertisement of the suitable place to floor projection trade company according to user's needs.
Description
Technical field
The present invention relates to infrared technology, shadow casting technique, picture catching analytical technologies, belong to interactive projection system field,
Specifically one kind moves the infrared projection advertisement interaction systems over the ground of anti-tampering formula.
Background technique
The carrier majority of present indoor and outdoor advertising is led screen or touching liquid-crystal display screen, in environment of today
Under this screen have the disadvantage that:
1. existing interactive projection over the ground, mounting means are fixed lifting form, every time when change place all
It needs to manually adjust device parameter, adjusts and positioning is all inconvenient.Maximum defect is disposably to install, it is not possible to whole to move
It is dynamic.
2. existing system is after mounting, the coordinate of image capture device and projector is carried out according to the height at scene
Matching.Because the height of lifting is different, every time after installation will special adjustment, it is more troublesome.
3. the structure of existing interaction cannot be realized ideally through transparent glass show window, thrown to show window outside ground
Shadow and the function of interacting.
4. existing interactive product over the ground is not connected with the mobile terminal of people, interactive limited, propagation has limitation
Property.
5. existing product because be position be it is fixed, environment is also relatively-stationary, thus captures picture
Exposure parameter does not need adjust automatically.
Existing infrared light filling structure is infrared lamp and camera mostly in same angle, and position is close, as shown in Figure 1.
Such drawback is exactly, when equipment is placed on inside the show window of transparent glass, projects image to show window outside.Camera institute
Acquired image not only has the real image outside show window, and there are also pass through the virtual image of the people or object of glass-reflected inside show window.This
A little virtual images can have a great impact to the identification of system and interaction effect.
Summary of the invention
Aiming at the defects existing in the prior art, the technical problem to be solved in the present invention is to provide a kind of removable
Dynamic, not needing again coordinate matching, being connected and interact with mobile terminal, to prevent glass-reflected interaction over the ground
Advertisement interaction systems.
Present invention technical solution used for the above purpose is: one kind moves that anti-tampering formula is infrared to be projected over the ground
Advertisement interaction systems, the system frame including column structure, further includes:
Image capture device is fixed on the top of system frame, and camera lens leans out the system frame, connects computer, uses
In the image of a certain ground fixed area of acquisition, and acquired image is sent to computer；
Projection device is fixed on the inside of system frame, adjacent with described image acquisition equipment, connects computer, is used for
It is projected under the control of computer to the ground fixed area；
Computer is placed in the inside of system frame, for the coordinate matching rule according to internal preset, by image capture device
Acquired image coordinate is converted to projected image coordinate, and projected image is sent to projection device；
Several infrared ray light compensating lamps are fixed on the lower part of system frame, and the infrared light issued covers the ground and consolidates
Determine region.
Further include several movable pulleys, is installed on the bottom of the system frame.
Further include several leveling lower margins, is installed on the bottom of the system frame.
Described image acquires equipment and uses the cameras with fixed focus with visible light filter disc.
The projection device uses projector.
The infrared ray light compensating lamp is two, is fixed on the left and right sides of system frame.
The system frame is cuboid.
The module connecting with mobile phone is equipped in the computer, for receiving the command information of mobile phone transmission.
The light image that standard is preset in the computer, when ambient light changes, image capture device is caught
It catches live image to be compared with standard picture, if the brightness value of live image is higher than the brightness value of standard picture, computer control
Imaged acquisition equipment reduces the time for exposure automatically, keeps the brightness value of live image identical as the brightness value of standard picture；Conversely,
Computer control image capture device improves the time for exposure automatically, makes brightness value phase of the brightness value of live image with standard picture
Together.
The coordinate matching rule is obtained by following steps:
It controls projection device by computer to project on grid image to ground by its maximal projection size, in grid image
Each grid is square；
A transparent hemispherical bead is placed on each crosspoint of grid image, is made in hemispherical bead
The heart is overlapped with the crosspoint of grid；
Image capture device acquires an image, does not include grid in the acquisition image picture, comprising by hemispherical glass
The highlight that glass pearl generates because reflecting infrared light；
Highlight grid image will be formed after collected highlight line, built according to the location information of these glass domes
Vertical acquisition coordinate systems in image, so make to acquire coordinate and the grid coordinate system of projection on the crosspoint in image formed it is point-to-point
One-to-one relationship；
The grid image for influencing picture and projection to acquisition carries out each coordinate matching put.
The present invention has the following advantages and beneficial effects:
1. since this system uses cameras with fixed focus and fixed-focus projector, and the two is all fixed in system frame.
So interactive advertisement of the suitable place to floor projection trade company can be moved to according to user's needs.
2. not needing the matching for re-starting Image Acquisition coordinate and projector's coordinate after equipment is mobile.
3. such structure can avoid being placed in when equipment since the position of infrared light compensating lamp and camera is separately to put
Interference images caused by inside show window, which are refracted into camera, influences the identification problem of system.
4. the many-one interactive game of this system allows meeting people to generate the effect surrounded and watched and interacted, there is more effectively aggregation people
The effect of gas.
5. the ad distribution of this system can be associated with the wechat in mobile phone, so that the granting of advertisement is more had amusement, more hold
Easily user is allowed to receive, and has very strong specific aim.
6. the exposure value of the camera of this system can make whole system after movement according to the variation adjust automatically of environment light
Environmental suitability it is stronger.
Detailed description of the invention
Fig. 1 is the imaging schematic diagram of existing projection interaction system；
Fig. 2 is system construction drawing of the invention；
Fig. 3 is the imaging schematic diagram using present system；
Fig. 4 is the grid chart of projector's throwing on the ground；
Fig. 5 is the hemispherical bead bloom point diagram of image capture device acquisition；
Fig. 6 is treated highlight line grid chart；
Fig. 7 is a grid chart in Fig. 6；
Fig. 8 is a grid chart in Fig. 4.
In Fig. 2,1 image capture device, 2 projection devices, 3 system frames, 4 computers, 5 infrared ray light compensating lamps, 6 movable pulleys, 7
Level lower margin；
Fig. 1, in 3,8 image capture devices, 9 glass walls, 10 people's virtual images, 11 infrared ray light compensating lamps, 12 projection devices, 13 people
Real image.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and embodiments.
The present invention includes image capture device 1, projection device 2, computer 4, and the signal output end of image capture device 1 is connected to
The input terminal of computer 4, the output end of the input termination computer 4 of projection device 2 are simultaneously controlled by computer 4, are additionally provided with infrared ray light filling
Lamp 5, system frame 3；Infrared ray light compensating lamp 5 is fixed on the lower end of system frame 3, and computer 4 is placed on the inside of system frame 3,
Projection device 2 is placed on the top of system frame 3, and image capture device 1 is placed on the top of system frame 3.
Described projection device 2 uses projector.
Described image capture device 1 uses the cameras with fixed focus with visible light filter disc.
Because of the cameras with fixed focus used, and camera is the top for being fixed on system frame 3, thus from camera to
The distance on ground is fixed, then the size of the picture of camera acquisition is also fixed and invariable.Meanwhile projection device 2
It is to be fixed in system frame 3, so the distance on the camera end of projection device 2 to ground is fixed, then projection device 2 is thrown
The size and shape for the picture being mapped on ground is all fixed and invariable.And the relative position of camera and projection device 2 is
It is changeless, so the position of each of the image of the projection of projection device 2 on the ground point can all be caught in camera
One is found in the image grasped fixed corresponds position.By the coupling number of projected image and capture image when default
According to being stored in computer 4, in this way, no matter whole system be moved to where, will not all change this corresponding relationship, to reach
To the purpose of neatly mobile hardware system.
The coordinate matching data of image capture device 1 and projection device 2 the production method is as follows:
1. image capture device 1 and projection device 2 are fixedly mounted in system frame 3.Because of projection device 2 and image
What acquisition equipment 1 used is all fixed-focus, and the height of system frame 3 is fixed, so projection device 2 is thrown on ground
The size of image be it is fixed, the image size that image capture device 1 acquires is also fixed.
2. controlling projection device 2 with computer 4, grid image below is projected by the maximal projection size of projection device 2 and is arrived
On the ground, as shown in figure 4, each grid must be grid.According to the requirement of precision, the transverse and longitudinal quantity of grid customized can change
Become.The quantity of grid is bigger, and matching precision is higher.
3. laying out transparent hemispherical bead on each crosspoint of the grid of projection, making hemispherical bead
Center is overlapped with the crosspoint of grid.
4. hemispherical bead is used after all crosspoints are well placed, image capture device 1 acquires a live figure
Piece.Because what image capture device 1 was installed is the camera lens for having visible light filter disc, the grid of projected image is not acquired, but
Each hemispherical bead has the highlight generated because reflection is infrared, so acquired image is as shown in Figure 5.
5. utilizing image analysis software, image as shown in FIG. 6 will be formed after the highlight line of collected bead,
Acquisition coordinate systems in image is established according to the location information of these glass domes, makes to acquire coordinate and projection on the crosspoint in image
The coordinate system of image form point-to-point one-to-one relationship.
6. pair grid chart handled by software and the coordinate matching for carrying out each point with the grid that projector launches.Tool
Body method combination Fig. 7, Fig. 8 are illustrated.
As shown in fig. 7, C point is a point in one of grid, 4 tops of the C point in grid are judged first
Point C1、C2、C3、C4, which recently, then further analyzed further according to the proportionate relationship of closest approach.Such as in Fig. 4, C point is from C2
Recently, it then calculates by C2The slope k of the horizontal, vertical two lines of point1、k2:
By C point, respectively with slope k1、k2Two lines are drawn, and meet at C with four lines of the surrounding of gridU、CD、CR、CLFour
A point.C is calculated according to the range formula of point-to-point transmissionUC、CUCD、CRC、CLCRThe length of four line segments:
And then calculate proportionate relationship between this shaping line segment:
According to the two proportionate relationships, the T point to match with C point is first found in the mesh coordinate system of projector
Then the grid at place determines the specific coordinate (with reference to Fig. 8) of T point further according to four apex coordinates of this grid:
xt=xt1+s1(xt2-xt1)；
yt=yt1+s2(yt2-yt1)；
Pass through above method, so that it may the coordinate system of the image of image capture device acquisition and the mesh coordinate of projection
System establishes starting point and point corresponds matching relationship.
Such matching relationship is stored in computer, no matter how whole system hardware moves, as long as projection plane is
The matching relationship of level, that so coordinate would not change.That is, mobile device is without re-starting coordinate
Match.
Present infrared light filling structure is infrared ray light compensating lamp 11 and image capture device 8 mostly in same angle, position
It is close.Such drawback is exactly, when equipment has been placed on 9 the inside of transparent glass wall, to glass wall 9 outside when projecting image.Figure
The real image for not only having 9 outside of glass wall as acquiring 8 acquired images of equipment, there are also pass through glass-reflected inside glass wall 9
People or object the virtual image.These virtual images can have a great impact to the identification of system and interaction effect.(referring to Fig.1)
According to such case, the position of the infrared ray light compensating lamp 11 of whole system is adjusted.By infrared ray light filling
Lamp 11 is placed on the lower part of system.In this way, can be to carrying out infrared light filling outside glass wall 9, while it again will not be by glass wall 9
The virtual image of interior people or object is reflected into image capture device 8.It is perfect to be impacted to the interactivity of system
Ground overcomes interference of the reflection of glass wall 9 to system (referring to Fig. 3).
In order to cooperate the advertising of businessman, user consciously or unconsciously in approach or touch projection portrait when, have phase
The merchant advertisements information pop-up answered.Advertising information can be discount coupon, discount card, red packet etc..If user expects accordingly
Reward, can with after the two dimensional code in mobile phone scan image, by computer automatically by discount coupon corresponding in advertisement, discount card or
The information such as red packet directly pass through network and reach in the mobile phone of user, and user can go businessman to consume with the information obtained in mobile phone.
The mode manually to distribute leaflets can thus be replaced, save operation cost.
This system can also attract people to participate in many-to-one interactive game.Namely when it is seen that floor projection figure
As interactive game can then be added with the two dimensional code in barcode scanning image.People can be by the mobile phone of oneself to system computerized biography
Game command is sent, the game item controlled in ground image carries out a people or multiplayer.Such a behavior surrounded and watched can draw
Play more people's note that achieving the purpose that advertising.
This system can move according to the needs of users, but because environmental change light can also change correspondingly when moving.
Light changes when in order to adapt to mobile, the system computerized light image that can preset standard.When light changes, camera shooting
Head capture site image is compared with standard picture.If live image brightness value is higher than standard drawing picture value, computer can be controlled
Camera reduces the time for exposure automatically, keeps the brightness of live image identical as standard picture brightness.Conversely, when then improving exposure
Between.In short, the variation of environment light caused by when whole system can be allowed more intelligently to adapt to because of movement in this way.
Claims (9)
1. one kind moves the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that it is including column structure is
It unites bracket (3), further includes:
Image capture device (1) is fixed on the top of system frame (3), and camera lens is leant out the system frame (3), connection electricity
Brain (4) is sent to computer (4) for acquiring the image of a certain ground fixed area, and by acquired image；
Projection device (2), is fixed on the inside of system frame (3), adjacent with described image acquisition equipment (1), connects computer
(4), for being projected under the control of computer (4) to the ground fixed area；
Computer (4), is placed in the inside of system frame (3), and for the coordinate matching rule according to internal preset, Image Acquisition is set
Standby (1) acquired image coordinate is converted to projected image coordinate, and projected image is sent to projection device (2)；
Several infrared ray light compensating lamps (5) are fixed on the lower part of system frame (3), and the infrared light issued covers the ground
Fixed area；
The infrared ray light compensating lamp (5) is two, is fixed on the left and right sides of system frame (3).
2. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that also
Including several movable pulleys (6), it is installed on the bottom of the system frame (3).
3. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that also
Lower margin (7) are leveled including several, are installed on the bottom of the system frame (3).
4. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that institute
It states image capture device (1) and uses the cameras with fixed focus with visible light filter disc.
5. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that institute
Projection device (2) are stated using projector.
6. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that institute
Stating system frame (3) is cuboid.
7. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that institute
The module for being equipped in computer (4) and connecting with mobile phone is stated, for receiving the command information of mobile phone transmission.
8. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that institute
The light image that standard is preset in computer (4) is stated, when ambient light changes, image capture device (1) captures existing
Field picture is compared with standard picture, if the brightness value of live image is higher than the brightness value of standard picture, computer (4) control
Image capture device (1) reduces the time for exposure automatically, keeps the brightness value of live image identical as the brightness value of standard picture；Instead
It, computer (4) controls image capture device (1) and improves time for exposure automatically, makes the brightness value and standard picture of live image
Brightness value is identical.
9. according to claim 1 move the infrared projection advertisement interaction systems over the ground of anti-tampering formula, which is characterized in that institute
Coordinate matching rule is stated to obtain by following steps:
It is projected on grid image to ground by computer (4) control projection device (2) by its maximal projection size, in grid image
Each grid be square；
A transparent hemispherical bead is placed on each crosspoint of grid image, make the center of hemispherical bead with
The crosspoint of grid is overlapped；
Image capture device (1) acquires an image, does not include grid in the acquisition image picture, comprising by hemispherical glass
The highlight that pearl generates because reflecting infrared light；
Highlight grid image will be formed after collected highlight line, adopted according to the foundation of the location information of these glass domes
Collect coordinate systems in image, so make to acquire coordinate and the grid coordinate system of projection on the crosspoint in image formed it is point-to-point one by one
Corresponding relationship；
The grid image for influencing picture and projection to acquisition carries out each coordinate matching put.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111327885A (en) * | 2020-01-22 | 2020-06-23 | 李梅英 | Shop advertisement projection lamp projection method based on Internet of things |
| CN214252853U (en) * | 2020-12-31 | 2021-09-21 | 广景视睿科技（深圳）有限公司 | Movable projection system and projection equipment |
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| CN106023858A (en) | 2016-10-12 |
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