CN201331749Y - Touch device with color and size recognition functions - Google Patents
Touch device with color and size recognition functions Download PDFInfo
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- CN201331749Y CN201331749Y CNU2008201893812U CN200820189381U CN201331749Y CN 201331749 Y CN201331749 Y CN 201331749Y CN U2008201893812 U CNU2008201893812 U CN U2008201893812U CN 200820189381 U CN200820189381 U CN 200820189381U CN 201331749 Y CN201331749 Y CN 201331749Y
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- main control
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Abstract
The utility model provides a touch device with color and size recognition functions, which comprises a camera component, a main control module and a main machine device, wherein the camera component is connected with the main control module, and the main control module is connected with the main machine device. Moreover, the camera component includes two or more monochrome camera, one or more color camera and a display screen, wherein the monochrome camera and the color camera are connected with the main control module and simultaneously arranged around the display screen, and the display screen displays corresponding size and color images of an occlusive target at corresponding touch positions. The utility model has the advantages of simple structure, high intelligence degree and recognition accuracy, flexible and convenient operation, good color and size recognition functions and wide adaptability.
Description
Technical field
The utility model relates to touch recognition equipment, particularly a kind of touching device with color and size recognition function.
Background technology
In existing touching device, can only realize the identification of simple location, can not distinguish color and size, can't distinguish different operators' operation, for example, in multiplayer, be easy to be subjected to others and disturb.The touching device that also has, can only discern fixing several colors and size, perhaps need on system interface, select color and size, the corresponding color and the size that just can identify on the touching device to be write, lack of wisdom identification makes discernible color and big or small kind be restricted, and manipulates underaction, convenience, personalization is not strong, can't satisfy people's operational requirements.Number of patent application is that 200710031251.6 Chinese invention patent application discloses " localization method of a kind of touch panel device and touch panel device ", it mainly is in conjunction with the infrared scan technology of infrared scan module and the camera technique of camera head, obtain the coordinate position of all possible touch point by the infrared scan technology, and in conjunction with a camera shot picture, determine coordinate and the color and the size of touch point, according to the color and the size of actual touch thing, can be to the independent tracing management of variant touch objects.The major defect that this technology exists is: hardware unit is simplified inadequately, need load onto four row's infraluminescence pipes respectively at four frames of display screen, makes the hardware configuration more complicated; Simultaneously, it discerns the size that touches shelter target by a camera, and degree of accuracy is not high enough, and the situation of mistake identification takes place easily, and practical application is had bigger influence.Thereby, be necessary this technology is done further to improve.
The utility model content
The shortcoming that the purpose of this utility model is to overcome prior art provides a kind of simple in structure, intelligent degree height, identification accuracy height, the touching device with color and size recognition function of flexible and convenient operation with not enough.
The purpose of this utility model is achieved through the following technical solutions: a kind of touching device with color and size recognition function, comprise camera assembly, main control module, main process equipment, camera assembly is connected with the main control module, and the main control module is connected with main process equipment; It is characterized in that: described camera assembly comprises two or more monochromatic camera, one or more than one colour imagery shot; Described monochromatic camera and colour imagery shot are connected with the main control module simultaneously; The placement location of described monochromatic camera and colour imagery shot can be adjusted according to actual needs, and placement location is unfixing, and aforementioned camera combination is used to gather the shelter target data; Described main control module is used to collect the shelter target data that the camera combination is gathered, calculate the information of shelter target, and send to main process equipment, perhaps direct data with described collection send to described main process equipment, by the information of described main process equipment calculating shelter target, comprise centre coordinate, size and the color etc. of shelter target; This touching device also comprises display screen, and described monochromatic camera and colour imagery shot are arranged at around the display screen simultaneously, and described display screen is used for the size of shelter target correspondence and color image are shown at corresponding touch location.
The number of described monochromatic camera and colour imagery shot can be according to the actual screen size, make corresponding adjustment, for example: on original two monochromatic cameras and a colour imagery shot basis, increase by two monochromatic cameras and a colour imagery shot again, determine centre coordinate, the size of shelter target by the combination of monochromatic camera, the shelter target color is determined in the colour imagery shot combination.By increasing the number of camera, can realize more the shelter target color and the big or small identification of giant-screen.Generally can determine the number of monochromatic camera and colour imagery shot according to following principle: monochromatic camera is 2N (N=1,2,3 ...) individual; Colour imagery shot is N (N=1,2,3 ...) individual.
In order to cooperate the image detection of camera better, can make a frame at four edges of display screen, when each camera was installed, each camera need be aimed at the frame on opposite and can photograph the whole of opposite frame.
Described main control module can be single-chip microcomputer, DSP (digital signal processor), FPGA (field programmable gate array) etc.
Described monochromatic camera and colour imagery shot are meant the complete camera that comprises camera lens, ccd image sensor or cmos image sensor.
Described main process equipment can adopt computing machine, single-chip microcomputer etc.
A kind of touch identification method of being realized by above-mentioned touching device with color and size recognition function comprises the steps:
S101 takes with one or more than one colour imagery shot, obtains the shelter target colouring information;
S102 takes with two or more monochromatic camera, obtains the shooting angle that each monochromatic camera is taken shelter target respectively;
S103 collects the shelter target data that camera assembly is gathered by the main control module, calculate the information of shelter target, the centre coordinate, size and the color that comprise shelter target, and send to main process equipment, perhaps direct shelter target data with described collection send to described main process equipment, calculate the described information that stops target by described main process equipment.
The S104 display screen shows the size and the color image of shelter target correspondence at corresponding touch location.
Wherein, the concrete calculation procedure among the step S103 is as follows:
(1) screen coordinate system is set;
(2) utilize monochromatic camera to take as the big or small camera of identification, obtain the frame image of shelter target on display screen the time, the original image of frame is analyzed during with no shelter target, extracts the shooting subtended angle information of monochromatic camera according to the position of position of blocking striped that forms and camera;
(3) utilize the position data of taking subtended angle information and reaching monochromatic camera, and judge shelter target coordinate region, thereby draw shelter target centre coordinate position according to calculating;
(4) determine the touch area of shelter target by the centre coordinate of shelter target; In conjunction with the shelter target color that colour imagery shot photographs, can determine centre coordinate, size and the color of shelter target.
The utility model has following advantage and effect with respect to prior art: (1) the utility model can be discerned coordinate, size and the color of shelter target by the combination of monochromatic and colour imagery shot, because the installation of camera is relatively convenient, and its position is unfixing, can adjust according to actual needs, so the utility model apparatus structure is fairly simple, operate more flexible.Adopt monochromatic camera to discern the shelter target size, colour imagery shot is discerned shelter target color combinations mode and is mainly considered, under the same hardware condition, camera selects the resolution of monochromatic mode of operation higher 3 to 4 times than the resolution of color work pattern, so select to determine centre coordinate, the size of shelter target with monochromatic camera, improve the precision of identification, determine the color of shelter target with colored camera; This integrated mode is rational in infrastructure, and with respect to prior art, the effect of centre coordinate, size and the color of identification shelter target obviously improves; (2) the utility model can be made corresponding adjustment at the actual screen size, as increasing the quantity of camera, to guarantee all have higher identification accuracy for the screen of different size, so its applicability is strong, degree of accuracy is high; (3) the utility model can be handled at different situation intellectualities, so its intelligent degree height, hommization is stronger.
Description of drawings
Fig. 1 is the structural representation of the utility model touching device.
Fig. 2 is the operational flowchart by the touch identification method of device realization shown in Figure 1.
Fig. 3 is the calculating synoptic diagram in the touch identification method shown in Figure 2.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Fig. 1 shows the concrete structure of the utility model touching device, as seen from Figure 1, originally the touching device that has color and size recognition function comprises camera assembly, main control module, main process equipment, and camera assembly is connected with the main control module, and the main control module is connected with main process equipment; Described camera assembly comprises 1,2, colour imagery shots 3 of two monochromatic cameras; Described monochromatic camera and colour imagery shot are connected with the main control module simultaneously; The placement location of monochromatic camera 1,2 and colour imagery shot 3 can be adjusted according to actual needs, and placement location is unfixing, and aforementioned camera combination is used to gather the shelter target data; Described main control module is used to collect the shelter target data that the camera combination is gathered, calculate the information of shelter target 4, and send to main process equipment, perhaps direct data with described collection send to described main process equipment, by the information of described main process equipment calculating shelter target 4, comprise centre coordinate, size and the color etc. of shelter target 4; This touching device also comprises display screen 5, and described monochromatic camera 1,2 and colour imagery shot 3 are arranged at around the display screen 5 simultaneously, and described display screen 5 is used for the size of shelter target 4 correspondences and color image are shown at corresponding touch location.In order to cooperate the image detection of camera, make a frame 6 at four edges of display screen 5, when each camera was installed, each camera need be aimed at the frame on opposite and can photograph the whole of opposite frame.Described monochromatic camera and colour imagery shot are meant the complete camera that comprises camera lens, ccd image sensor or cmos image sensor; Described main process equipment is a computing machine.Described main control module is a single-chip microcomputer.
The touch identification method of being realized by above-mentioned touching device with color and size recognition function comprises the steps: as shown in Figure 2
S101 takes with colour imagery shot 3, obtains shelter target 4 colouring informations;
S102 takes with two monochromatic cameras 1,2, obtains the shooting angle of taking shelter target 4 respectively;
S103 collects the shelter target data that camera assembly is gathered by the main control module, calculate the information of shelter target 4, the centre coordinate, size and the color that comprise shelter target 4, and send to main process equipment, perhaps direct shelter target data with described collection send to described main process equipment, calculate the described information that stops target 4 by described main process equipment.
Wherein, the concrete computation process among the S103 following (present embodiment calculates by shelter target 4 is touched area approximation and invents round calculating):
(1) screen coordinate system is set; As shown in Figure 3, the lower left corner of screen is set at the initial point O (0,0) of coordinate system.
(2) two monochromatic cameras 1,2 are taken as the big or small camera of identification.
(3) obtain the frame image of shelter target on display screen the time, the original image of frame is analyzed during with no shelter target, extract the shooting subtended angle information of two monochromatic cameras 1,2 according to the position of position of blocking striped that forms on the frame and camera, by subtended angle bisector AC and BC, as shown in Figure 3, extract angle θ
1, θ
2, ω
1, ω
2
(4) with θ
1, θ
2, ω
1, ω
2And the position coordinates a (a of the distance L between length camera 1 and the camera 2, camera 1
1, a
2), the position coordinates b (b of camera 2
1, b
2) formula group (1) below the substitution respectively:
[Lsinω
1/sin(θ
1+ω
1)]
2＝(x-a
1)
2+(y-a
2)
2
[Lsinθ
1/sin(θ
1+ω
1)]
2＝(x-b
1)
2+(y-b
2)
2
If solving one group separates, then can determine the centre coordinate C (x of shelter target C
1, y
1);
If solve two groups and separate, then with two groups of formula (2) of separating below the substitution respectively:
Q＝(y-a
2)×(b
1-a
1)-(x-a
1)×(b
2-a
2)
By line display screen is divided into two zones, as A district among Fig. 3 and B district with camera 1 and camera 2.If operation result Q can be judged as coordinate in the A district greater than 0, but if operation result Q drops on the B district less than 0 judged result coordinate.By geometric analysis as can be known, separate substitution formula (2) for two groups, can determine one group and separate and drop on the A district, another group is separated and is dropped on the B district.Take the zone that the subtended angle angular bisector drops on according to camera again, determine to block the coordinate points region, thereby draw the centre coordinate position of shelter target C, in this specific embodiment, because two monochromatic cameras are placed on respectively on two angles, can be directly by judging that two belong in the screen coordinate scope that in separating and separate centre coordinate into shelter target, i.e. C (x
1, y
1).
(5) center C (x of shelter target
1, y
1) respectively to each camera wherein a line that blocks stripe edge line and camera make vertical line, as shown in Figure 3, make vertical line CD and CE.
(6) with the centre coordinate C (x of shelter target
1, y
1) and θ
2, ω
2Formula group (3) below the substitution:
S
1＝πsinθ
2[(y
1-a
2)
2+(x
1-a
1)
2]
S
2＝πsinω
2[(y
1-b
2)
2+(x
1-b
1)
2]
(7) by asking for S
1And S
2Mean value determine the touch area of shelter target, perhaps directly choose S
1And S
2One of them value is as the touch area of shelter target.
In conjunction with the shelter target color that colour imagery shot 3 photographs, can determine centre coordinate, size and the color of shelter target.
Can also further increase following operation steps after the above-mentioned steps: camera 3 and camera 2 or 1 are made up shooting, and then repeat above-mentioned steps (3), (4), (5), (6), the shelter target that obtains touches area, again the result of calculation of itself and described step (7) is averaged, thereby obtain the accurate size of shelter target.
In the present embodiment touching device except that following characteristics with embodiment 1: on original two monochromatic cameras and a colour imagery shot basis, increase by two monochromatic cameras and a colour imagery shot again, determine centre coordinate, the size of shelter target by the combination of monochromatic camera, the shelter target color is determined in the colour imagery shot combination.By increasing the number of camera, can realize more shelter target color and the size and the identification of giant-screen.Present embodiment touch identification method operation steps is close with embodiment 1.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (6)
1, a kind of touching device with color and size recognition function comprises camera assembly, main control module, main process equipment, and camera assembly is connected with the main control module, and the main control module is connected with main process equipment; It is characterized in that: described camera assembly comprises two or more monochromatic camera, one or more than one colour imagery shot; Described monochromatic camera and colour imagery shot are connected with the main control module simultaneously; Also comprise display screen, described monochromatic camera and colour imagery shot are arranged at around the display screen simultaneously, and described display screen shows the size and the color image of shelter target correspondence at corresponding touch location.
2, the touching device with color and size recognition function according to claim 1 is characterized in that: the quantity of described monochromatic camera is 2N, N=1,2,3 Described colour imagery shot is N, N=1,2,3 ...
3, the touching device with color and size recognition function according to claim 1, it is characterized in that: four edges at display screen make a frame, when each camera was installed, each camera was aimed at the frame on opposite and can be photographed the whole of opposite frame.
4, the touching device with color and size recognition function according to claim 1 is characterized in that: described monochromatic camera and colour imagery shot are meant the complete camera that comprises camera lens, ccd image sensor or cmos image sensor.
5, the touching device with color and size recognition function according to claim 1 is characterized in that: described main process equipment is computing machine or single-chip microcomputer.
6, the touching device with color and size recognition function according to claim 1 is characterized in that: described main control module is single-chip microcomputer, DSP or FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201893812U CN201331749Y (en) | 2008-08-29 | 2008-08-29 | Touch device with color and size recognition functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201893812U CN201331749Y (en) | 2008-08-29 | 2008-08-29 | Touch device with color and size recognition functions |
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| Publication Number | Publication Date |
|---|---|
| CN201331749Y true CN201331749Y (en) | 2009-10-21 |
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ID=41225132
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|---|---|---|---|
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047593A (en) * | 2011-10-11 | 2013-04-17 | 现代自动车株式会社 | Organic electro-luminescence lighting device for vehicle |
| CN106067937A (en) * | 2015-04-23 | 2016-11-02 | 聚晶半导体股份有限公司 | Camera lens module array, image sensering device and digital zooming image interfusion method |
| CN112506361A (en) * | 2020-11-23 | 2021-03-16 | 北京建筑大学 | Man-machine interaction method and system based on light-emitting pen and double cameras |
-
2008
- 2008-08-29 CN CNU2008201893812U patent/CN201331749Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047593A (en) * | 2011-10-11 | 2013-04-17 | 现代自动车株式会社 | Organic electro-luminescence lighting device for vehicle |
| CN106067937A (en) * | 2015-04-23 | 2016-11-02 | 聚晶半导体股份有限公司 | Camera lens module array, image sensering device and digital zooming image interfusion method |
| CN112506361A (en) * | 2020-11-23 | 2021-03-16 | 北京建筑大学 | Man-machine interaction method and system based on light-emitting pen and double cameras |
| CN112506361B (en) * | 2020-11-23 | 2023-02-28 | 北京建筑大学 | Man-machine interaction method and system based on light-emitting pen and double cameras |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20120829 |