CN109542276A - A kind of touch point identification method and device and display equipment - Google Patents
A kind of touch point identification method and device and display equipment Download PDFInfo
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- CN109542276A CN109542276A CN201811399723.8A CN201811399723A CN109542276A CN 109542276 A CN109542276 A CN 109542276A CN 201811399723 A CN201811399723 A CN 201811399723A CN 109542276 A CN109542276 A CN 109542276A
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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
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
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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
- G06F3/0412—Digitisers structurally integrated in a display
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The embodiment of the present invention provides a kind of touch point identification method and device and display equipment, it is related to electronic technology field, the identification of be blocked scanning optical path and the scanning optical path progress touch point not being blocked can be utilized simultaneously, be able to ascend accuracy and the discrimination of touch point identification.This method, comprising: driving touch screen completes a scan period, includes n scanning angle on vertical edge direction, includes m scanning angle on horizontal edge direction, and n and m are integer, and n >=1, m >=1；The intersection point for the optical path that is blocked is obtained, intersection point set is formed；Any intersection point in antinode set is as datum mark, under each scanning angle, determine the optical path not being blocked of datum mark two sides first, it obtains n+m group and touches borderline region, under any scanning angle, the region between the scanning optical path not being blocked of two sides first is put on the basis of touch borderline region；N+m group is touched into the intersection of borderline region as quasi- touch point；Touch point is determined according to quasi- touch point.
Description
Technical field
The embodiment of the present invention is related to electronic technology field more particularly to a kind of touch point identification method and device and display
Equipment.
Background technique
Touch screen is the electronic system that can detecte the presence and touch location that touch in display area, its letter
Man-machine interaction method is changed.In current touch technology, infrared touch technology has strong environmental suitability, longer life expectancy, can recognize
Touch the advantages such as more of counting.Infrared touch panel appearance is a rectangular configuration, by a long side transmitting side and its corresponding one
A long receiving while, a short side transmitting side and its corresponding one short receiving while composition.Have in transmitting side several infrared
Ballistic device is corresponding with several infrared receiver devices on correspondingly received side, generallys use 1 pair of multimode and be scanned, i.e., and one
Ballistic device shines, and the multiple receiving devices in opposite receive simultaneously, and light net is consequently formed, and is touching according to light net and is not touching situation
Under the different shape being blocked judge touch behavior.
Existing infrared touch panel is in rectangular configuration, and traditional infrared point location algorithm is just being swept in direction according to long short side and hidden
Light-blocking road is orthogonal to obtain touch point.In the industry in representative multiple point touching, mainly considers that each touch point position is blocked and scan light
Road carries out point location, exists and is easy for multiple points to be identified as a point, true point is abandoned and vacation point is determined as true, Yi Jiji
Calculation amount is big, response speed is slow and it is at high cost the problems such as, cause touch point identify accuracy and discrimination it is low.
Summary of the invention
The embodiment of the present invention provides a kind of touch point identification method and device and display equipment, in the embodiment of the present invention
The identification of be blocked scanning optical path and the scanning optical path progress touch point not being blocked is utilized simultaneously, is able to ascend touch point
The accuracy of identification and discrimination.
In a first aspect, providing a kind of touch point identification method, the touch point for touch screen is identified, wherein the touch screen
Be respectively arranged with optical path emitting structural and optical path on two opposite horizontal edge directions and receive structure, the touch screen it is opposite two
It is respectively arranged with optical path emitting structural on a vertical edge direction and optical path receives structure；Drive the horizontal edge direction of touch screen and vertical
Optical path emitting structural on edge direction completes a scan period, wherein including n scanning angle, institute on the vertical edges direction
Stating includes m scanning angle on horizontal edge direction, and wherein n and m is integer, and n >=1, m >=1；Obtain the scanning optical path being blocked
Intersection point, formed intersection point set；To any intersection point in the intersection point set as datum mark, under each scanning angle, really
The fixed scanning optical path not being blocked of the datum mark two sides first obtains n+m group and touches borderline region, it is any described in sweep
It retouches under angle, the region for touching borderline region between the scanning optical path not being blocked of the datum mark two sides first；
The n+m group is touched into the intersection of borderline region as quasi- touch point；The touch point is determined according to the quasi- touch point.It is above-mentioned
In scheme, since in a scan period, the intersection point that touch point identification device can be formed in conjunction with any scanning optical path is in office
The scanning optical path not being blocked of the two sides of the intersection point first under one scanning angle obtains n+m group and touches borderline region, then will
N+m group touches the intersection of borderline region as quasi- touch point, finally determines touch point according to quasi- touch point.Compared to existing skill
Art is utilized in the embodiment of the present invention simultaneously and is blocked scanning optical path and the scanning optical path that is not blocked carries out touch point
Identification is able to ascend accuracy and the discrimination of touch point identification.
Second aspect provides a kind of touch point identification device, and the touch point for touch screen identifies, wherein the touch screen
Be respectively arranged with optical path emitting structural and optical path on two opposite horizontal edge directions and receive structure, the touch screen it is opposite two
It is respectively arranged with optical path emitting structural on a vertical edge direction and optical path receives structure；The device includes:
Drive module, for driving the optical path emitting structural on the horizontal edge direction of touch screen and vertical edge direction to complete one
Scan period includes m scanning angle on the horizontal edge direction wherein including n scanning angle on the vertical edges direction,
Wherein n and m is integer, and n >=1, m >=1；
Module is obtained, for obtaining the intersection point for the scanning optical path being blocked, forms intersection point set；
Processing module, any intersection point in the intersection point set for being obtained to the acquisition module as datum mark,
Under each scanning angle, the scanning optical path not being blocked of the datum mark two sides first is determined, obtain n+m group and touch boundary
Region, under any scanning angle, the touch borderline region datum mark two sides first are not blocked
Region between scanning optical path；
The processing module is also used to the n+m group touching the intersection of borderline region as quasi- touch point；According to described
Quasi- touch point determines the touch point.
The third aspect provides a kind of touch point identification device, including communication interface, processor, memory, bus；It is described
Memory is for storing computer executed instructions, and the processor is connect with the memory by the bus, when the touching
When control point identification device operation, the processor executes the computer executed instructions of the memory storage, so that the touch-control
Point identification device executes above-mentioned touch point identification method.
Fourth aspect provides a kind of computer storage medium, including instruction, when described instruction is run on computers,
So that the computer executes above-mentioned touch point identification method.
5th aspect, provides a kind of display equipment, comprising: touch screen and any of the above-described touch point identification device.
It is to be appreciated that any touch point identification device of above-mentioned offer, computer storage medium or display equipment are equal
For executing the corresponding method of first aspect presented above, therefore, the attainable beneficial effect of institute can refer to above the
The beneficial effect of corresponding scheme in the method and following detailed description of one side, details are not described herein again.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of flow diagram for touch point identification method that the embodiment of the present invention provides；
Fig. 2 is the structural schematic diagram for the touch screen that the embodiment of the present invention provides；
Fig. 3 provides a kind of schematic diagram of scanning direction on horizontal edge direction for the embodiment of the present invention；
Fig. 4 provides a kind of schematic diagram of scanning direction on vertical edge direction for the embodiment of the present invention；
Fig. 5 provides the schematic diagram of scanning direction and angle on a kind of vertical edge direction for the embodiment of the present invention；
Fig. 6 provides the schematic diagram of scanning direction and angle on a kind of horizontal edge direction for the embodiment of the present invention；
Fig. 7 provides a kind of schematic diagram for touching borderline region for the embodiment of the present invention；
Fig. 8 provides a kind of schematic diagram of scanning optical path that is blocked for the embodiment of the present invention；
Fig. 9 provides a kind of schematic diagram for touching borderline region for another embodiment of the present invention；
Figure 10 is a kind of schematic diagram for quasi- touch point that the embodiment of the present invention provides；
Figure 11 is a kind of schematic diagram for intersection point set that the embodiment of the present invention provides；
Figure 12 is a kind of schematic diagram for determining quasi- touch point X that the embodiment of the present invention provides；
Figure 13 is a kind of schematic diagram for determining quasi- touch point Y that the embodiment of the present invention provides；
Figure 14 is a kind of schematic diagram for determining quasi- touch point Z that the embodiment of the present invention provides；
Figure 15 is a kind of schematic diagram for determining quasi- touch point U that the embodiment of the present invention provides；
Figure 16 is a kind of structural schematic diagram for touch point identification device that the embodiment of the present invention provides；
Figure 17 is a kind of structural schematic diagram for touch point identification device that another embodiment of the present invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Shown in referring to Fig.1, the embodiment of the present invention provides a kind of touch point identification method, and the touch point for touch screen is known
Not, a kind of structure of touch screen as shown in Figure 2 is wherein respectively arranged with optical path hair on two opposite horizontal edge directions of touch screen
Penetrate structure and optical path and receive structure, be respectively arranged on two opposite vertical edge directions of the touch screen optical path emitting structural with
Optical path receives structure.
Specifically, which includes the following steps:
101, the optical path emitting structural on the horizontal edge direction of touch screen and vertical edge direction is driven to complete a scan period.
Wherein, include n scanning angle on vertical edge direction, include m scanning angle on horizontal edge direction, wherein n and m
For integer, and n >=1, m >=1.In above-mentioned steps 101, in 1 couple of n (n >=1) scanning mode, for specific optical path emitting structural
Every scanning optical path possesses different angles for (such as infrared discharge lamps)；Optical path emitting structural specific for one, institute
Each angle of corresponding n optical path, referred to as a scanning direction.Therefore, 1 pair of n scanning mode will have n scanning side
To each scanning direction is made of one group of parallel light path with slope.Specifically, the scanning angle on vertical edge direction is vertical
Optical path and the angle of vertical edge direction of optical path emitting structural transmitting on straight flange direction, wherein the transmitting of vertical edge direction glazing road
Structure forms one group of parallel scanning optical path with the optical path that the same scanning angle emits, as shown in figure 3,1 on vertical edge direction
To in 2 scanning modes, there are two corresponding two scanning directions of scanning angle for tool；Scanning angle on horizontal edge direction is level
The optical path of optical path emitting structural transmitting on edge direction and the angle of horizontal edge direction, wherein horizontal edge direction glazing road emitter junction
Structure forms one group of parallel scanning optical path with the optical path that the same scanning angle emits, as shown in figure 4,1 pair 2 on horizontal edge direction
In scanning mode, there are two corresponding two scanning directions of scanning angle for tool.It here will be in the horizontal direction and in vertical direction
Each optical path emitting structural all emits an optical path on each scanning direction with certain sequence and is defined as a scan period,
Specific scanning sequency is here without limitation, exemplary, can be first on horizontal edge direction from left to right successively to each
An optical path transmitting is completed in scanning direction, successively completes one to each scanning direction from top to bottom on vertical edge direction later
Secondary optical path transmitting；Can certainly only first on vertical edge direction carry out aforesaid operations after above-mentioned behaviour is carried out on horizontal edge direction
Make.In a step 101, it is also possible that the quantity of scanning direction and the angle of each scanning direction on configuration level edge direction；Configuration
The quantity of scanning direction and the angle of each scanning direction on vertical edge direction.Illustratively, referring to Fig. 5, horizontal edge direction X-axis
Upper includes 3 scanning directions, and the angle of the first scanning direction is θ, and the angle of the second scanning direction is pi/2, third scanning direction
Angle be π-θ；The angle of each scanning direction is all made of on horizontal edge direction indicates with the angle of X-direction；Reference Fig. 6,
It include 3 scanning directions in vertical edge direction Y-axis, the angle of the first scanning direction is ε, and the angle of the second scanning direction is pi/2,
The angle of third scanning direction is π-ε, and the angle of each scanning direction is all made of the angle table with Y direction on vertical edge direction
Show.
102, the intersection point for the scanning optical path being blocked is obtained, intersection point set is formed.
Wherein, it is empty intersection point set C that init state can also be arranged in a step 101, is held in a scan period
After the scanning of the corresponding scanning direction of n+m scanning angle of row, the scanning optical path being blocked under each scanning direction is counted, is calculated
The intersection point (for example, being indicated with the position coordinates (X, Y) of focus) for the scanning optical path being respectively blocked is sequentially stored into intersection point set C.
103, any intersection point in antinode set is as datum mark, under each scanning angle, determines datum mark two sides
First scanning optical path not being blocked obtains n+m group and touches borderline region.
Under any scanning angle, touch borderline region on the basis of point the scanning optical path not being blocked of two sides first it
Between region.For example, corresponding to one group of parallel sweep optical path a specific scanning direction as described above；It is sent out having to touch
When raw, each contact can shelter from continuous several in these parallel sweep optical paths, claim these optical paths that are continuously blocked
The scanning optical path that the scanning optical path and latter item that previous item is not blocked are not blocked a touch side under scanning direction thus
Battery limit (BL) domain, as shown in Fig. 7.Wherein L1 indicates the scanning optical path that is blocked, and first scanning optical path L1's being blocked is previous
Scanning optical path L3 (not being blocked) touches the beginning boundary of borderline region thus, the last one is blocked under scanning optical path L2
One scanning optical path L4 (not being blocked) is to terminate boundary (certainly, to define and be blocked according to sequence from left to right in example
Scanning optical path, naturally it is also possible to be defined according to sequence from right to left).
In conjunction with step 103, when intersection point set C is not sky, appoints from intersection point set C and take an intersection point, be with this intersection point
Datum mark traverses the corresponding scanning direction of n+m scanning angle one by one, using Current Scan direction slope as benchmark slope, calculates
It is closest to be found respectively forward, backward on the basis of this scanning optical path by scanning optical path of this datum mark under this scanning direction
One scanning optical path not being blocked touches the start-stop boundary of borderline region in Current Scan direction as this datum mark, until n
The corresponding scanning direction of+m scanning angles all complete by processing, just obtains n+m group relevant to this datum mark in this way and touches side
Battery limit (BL) domain.Specifically, being illustrated by taking 1 pair of 2 scanning mode as an example on horizontal edge direction and vertical edge direction, such as Fig. 8
Shown, datum mark blocks scanning optical path La, Lb；Then as shown in figure 9, then determining one group of touch frontier district on first scanning direction
Domain (as shown in figure 9, region between La1 and La2)；Determine one group of touch borderline region (such as Fig. 9 institute on second scanning direction
Show, the region between Lb1 and Lb2), determine on third scanning direction one group of touch borderline region (as shown in figure 9, Lc1 and
Region between Lc2).
104, n+m group is touched into the intersection of borderline region as quasi- touch point.
Being superimposed out quasi- touch point using this n+m group touch borderline region, (wherein the quasi- touch point has certain area, example
Such as the quasi- touch point F in Figure 10) and it is stored in touch point set D, wherein it is empty that init state can be arranged in a step 101
Touch point set D.Simultaneously calculate this quasi- touch point covers which intersection point in intersection point set C, by these capped intersection points from
It is rejected in intersection point set C；All intersection points in method circular treatment intersection point set C according to this determine in focus set C again
Another datum mark, and another quasi- touch point is determined according to another datum mark, until focus set C is sky, institute has just been obtained in this way
There are quasi- touch point, i.e. touch point set D.As shown in figure 11, when in C there are when 4 intersection point a, b, c and d, root in the manner described above
Determined according to intersection point a delete after quasi- touch point X one intersection point a of point (if quasi- touch point X is also covered with other intersection points certainly, can also be with
Delete) as shown in figure 12；One intersection point b of point is deleted after determining quasi- touch point Y according to b, as shown in figure 13；So when according to c
One intersection point c of point is deleted after determining quasi- touch point Z, as shown in figure 14；Point one is finally deleted after determining quasi- touch point U according to d
A intersection point d, as shown in figure 15.
105, touch point is determined according to quasi- touch point.
Specifically, touched in point set D to improve, the accuracy of quasi- touch point, it can also be to the standard touched in point set D
Touch point carries out deceitful point processing, rejects the false touch point touched in point set.In addition, standard can also be arranged in a step 101
The area threshold t of touch point can also will then touch quasi- touch point of the area less than area threshold t in point set D and reject.Example
Such as, touch screen supports the felt pen that minimum diameter is 1mm to carry out touch-control, then t can be set as 1mm2.Finally, to point set is touched
The quasi- touch point for closing D carries out track following and smooth algorithm process, and is directed at touch point and carries out the quasi- touch point of coordinate conversion output
Position coordinates, so that it is determined that touch point.
In above scheme, since in a scan period, touch point identification device can combine any scanning optical path shape
At intersection point, the scanning optical path not being blocked of two sides first of the intersection point under a scanning angle in office obtains n+m group touch side
Battery limit (BL) domain, the intersection that n+m group is then touched borderline region finally determine touch point according to quasi- touch point as quasi- touch point.
Compared with the prior art, be blocked scanning optical path and the scanning optical path that is not blocked is utilized in the embodiment of the present invention simultaneously
The identification for carrying out touch point is able to ascend accuracy and the discrimination of touch point identification.
Referring to Fig.1 shown in 6, a kind of touch point identification device is provided, the touch point for touch screen identifies, wherein the touching
Control, which is shielded, is respectively arranged with optical path emitting structural and optical path reception structure on two opposite horizontal edge directions, the touch screen is opposite
Two vertical edge directions on be respectively arranged with optical path emitting structural and optical path and receive structure；The device includes:
Drive module 21, for driving the optical path emitting structural on the horizontal edge direction of touch screen and vertical edge direction to complete one
A scan period includes m scan angle on the horizontal edge direction wherein including n scanning angle on the vertical edges direction
Degree, wherein n and m is integer, and n >=1, m >=1；
Module 22 is obtained, for obtaining the intersection point for the scanning optical path being blocked, forms intersection point set；
Processing module 23, any intersection point in the intersection point set for obtaining to the acquisition module 22 is as benchmark
Point determines the scanning optical path not being blocked of the datum mark two sides first under each scanning angle, obtains n+m group and touches
Borderline region, under any scanning angle, the touch borderline region is that the datum mark two sides first are not hidden
Region between the scanning optical path of gear；
The processing module 23 is also used to the n+m group touching the intersection of borderline region as quasi- touch point；According to institute
It states quasi- touch point and determines the touch point.
In a kind of illustrative scheme, the processing module 23 is also used to reject the standard in the intersection point set
The intersection point of touch point covering；When the intersection point set is not sky, another datum mark is determined in the focus set again, and
Another quasi- touch point is determined according to another datum mark.
In a kind of illustrative scheme, the processing module 23, specifically for the quasi- touch point touched in point set
Deceitful point processing is carried out, the false touch point touched in point set is rejected and/or is less than area in the touch point set
It rejects the quasi- touch point of area threshold.
Using integrated module, touch point identification device includes: storage unit, processing unit and interface
Unit.Processing unit is for carrying out control management to the movement of touch point identification device, for example, processing unit is for supporting touch-control
Point identification device executes the process 101-104 in Fig. 1；Interface unit is used to support the letter of touch point identification device and other equipment
Breath interaction.Storage unit, for storing the program code and data of touch point identification device.
Wherein, using processing unit as processor, storage unit is memory, and interface unit is for communication interface.Wherein,
Touch point identification device is referring to Fig.1 shown in 7, including communication interface 301, processor 302, memory 303 and bus 304, leads to
Letter interface 301, processor 302 are connected by bus 304 with memory 303.
Processor 302 can be a general central processor (Central Processing Unit,
CPU), microprocessor, application-specific integrated circuit (Application-Specific Integrated
Circuit, ASIC), or it is one or more for controlling the integrated circuit of application scheme program execution.
Memory 303 can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (Random Access Memory, RAM) or letter can be stored
The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to
Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this.
Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.
Wherein, memory 303 is used to store the application code for executing application scheme, and is controlled by processor 302
System executes.Communication interface 301 is used to carry out information exchange with other equipment.Processor 302 stores in memory 303 for executing
Application code, to realize method described in the embodiment of the present application.
In addition, a kind of calculating storage media (or medium) is also provided, including carrying out in above-described embodiment when executed
The instruction for the method operation that touch point identification device executes.In addition, also providing a kind of computer program product, including above-mentioned calculating
It stores media (or medium).
The embodiment of invention provides a kind of display equipment, comprising: touch screen and touch point provided by the above embodiment are known
Other device.The display equipment can be with are as follows: Electronic Paper, mobile phone, tablet computer, television set, display, laptop, digital phase
Any products or components having a display function such as frame, navigator.
Wherein, all related contents for each step that above method embodiment is related to can quote corresponding function module
Function description, effect details are not described herein.
It should be understood that in various embodiments of the present invention, magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of equipment or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (full name in English: read-only memory, English letter
Claim: ROM), random access memory (full name in English: random access memory, English abbreviation: RAM), magnetic disk or light
The various media that can store program code such as disk.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of touch point identification method, which is characterized in that the touch point for touch screen identifies, wherein the touch screen is opposite
Two horizontal edge directions on be respectively arranged with optical path emitting structural and optical path and receive structure, opposite two of the touch screen are hung down
It is respectively arranged with optical path emitting structural on straight flange direction and optical path receives structure；
The optical path emitting structural on the horizontal edge direction of touch screen and vertical edge direction is driven to complete a scan period, wherein described
Include n scanning angle on vertical edge direction, includes m scanning angle on the horizontal edge direction, wherein n and m is integer, and
N >=1, m >=1；
The intersection point for the scanning optical path being blocked is obtained, intersection point set is formed；
To any intersection point in the intersection point set as datum mark, under each scanning angle, the datum mark two sides are determined
First scanning optical path not being blocked obtains n+m group touch borderline region, under any scanning angle, the touching
Touch region of the borderline region between the scanning optical path not being blocked of the datum mark two sides first；
The n+m group is touched into the intersection of borderline region as quasi- touch point；
The touch point is determined according to the quasi- touch point.
2. touch point identification method according to claim 1, which is characterized in that further include that the n+m group is being touched side
After the intersection in battery limit (BL) domain is as quasi- touch point:
The intersection point of the quasi- touch point covering is rejected in the intersection point set；
When the intersection point set is not sky, another datum mark is determined in the focus set again, and according to described another
Datum mark determines another quasi- touch point.
3. touch point identification method according to claim 1 or 2, which is characterized in that described true according to the quasi- touch point
Determining the touch point includes:
Deceitful point processing carried out to the quasi- touch point touched in point set, reject the false touch point touched in point set and/
Or the quasi- touch point that area is less than area threshold in the touch point set is rejected.
4. a kind of touch point identification device, which is characterized in that the touch point for touch screen identifies, wherein the touch screen is opposite
Two horizontal edge directions on be respectively arranged with optical path emitting structural and optical path and receive structure, opposite two of the touch screen are hung down
It is respectively arranged with optical path emitting structural on straight flange direction and optical path receives structure；The device includes:
Drive module, for driving the optical path emitting structural on the horizontal edge direction of touch screen and vertical edge direction to complete a scanning
Period includes m scanning angle on the horizontal edge direction wherein including n scanning angle on the vertical edges direction, wherein
N and m is integer, and n >=1, m >=1；
Module is obtained, for obtaining the intersection point for the scanning optical path being blocked, forms intersection point set；
Processing module, any intersection point in the intersection point set for obtaining to the acquisition module is as datum mark, every
Under a scanning angle, the scanning optical path not being blocked of the datum mark two sides first is determined, obtain n+m group and touch frontier district
Domain, under any scanning angle, the borderline region that touches is the sweeping of not being blocked of the datum mark two sides first
Retouch the region between optical path；
The processing module is also used to the n+m group touching the intersection of borderline region as quasi- touch point；According to the quasi- touching
Touch a determining touch point.
5. touch point identification device according to claim 4, which is characterized in that
The processing module is also used to reject the intersection point of the quasi- touch point covering in the intersection point set；When the intersection point
When set is not empty, another datum mark is determined in the focus set again, and is determined according to another datum mark another
Quasi- touch point.
6. touch point identification device according to claim 4 or 5, which is characterized in that the processing module, be specifically used for pair
The quasi- touch point touched in point set carries out deceitful point processing, rejects the false touch point touched in point set and/or by institute
It states and touches the quasi- touch point rejecting that area in point set is less than area threshold.
7. a kind of touch point identification device, which is characterized in that including communication interface, processor, memory, bus；The storage
Device is for storing computer executed instructions, and the processor is connect with the memory by the bus, when the touch point
When identification device is run, the processor executes the computer executed instructions of the memory storage, so that the touch point is known
Other device executes touch point identification method as described in any one of claims 1-3.
8. a kind of computer storage medium, including instruction, which is characterized in that when described instruction is run on computers, so that
The computer executes touch point identification method as described in any one of claims 1-3.
9. a kind of display equipment characterized by comprising touch screen, and such as the described in any item touch points of claim 4-7
Identification device.
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