CN106055169B - False-touch prevention method and its intelligent express delivery cabinet based on test point density value - Google Patents
False-touch prevention method and its intelligent express delivery cabinet based on test point density value Download PDFInfo
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- CN106055169B CN106055169B CN201610616089.3A CN201610616089A CN106055169B CN 106055169 B CN106055169 B CN 106055169B CN 201610616089 A CN201610616089 A CN 201610616089A CN 106055169 B CN106055169 B CN 106055169B
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- 238000012360 testing method Methods 0.000 title claims abstract description 229
- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000002265 prevention Effects 0.000 title claims abstract description 42
- 241000255925 Diptera Species 0.000 claims abstract description 51
- 238000001514 detection method Methods 0.000 claims description 146
- 210000001015 abdomen Anatomy 0.000 claims description 32
- 238000007689 inspection Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 8
- 238000007639 printing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000029264 phototaxis Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 210000004905 finger nail Anatomy 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
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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
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/10—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property
- G07F17/12—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property comprising lockable containers, e.g. for accepting clothes to be cleaned
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Abstract
The present invention provides a kind of false-touch prevention methods based on test point density value, including obtaining the test point density value on target position；And judge whether touch is effectively to touch；When being judged as effective touch, the corresponding control instruction of touch screen Generate Target Position.The present invention also provides a kind of intelligent express delivery cabinet based on this method, including touch recognition module, main control module, wireless module, execution module.Intelligent express delivery cabinet provided by the present invention based on false-touch prevention method, when touch screen is touched, can intelligent recognition and judge user touch with mosquito touch, and then execute user and touch selected operation, efficiently solve the problems, such as accidentally touching caused by adhering on intelligent express delivery cabinet touch screen due to mosquito.Express delivery person and addressee person can be more in mosquito outdoor zone, still normally send part and pickup, improve the usage experience of user.
Description
Technical field
The present invention relates to a kind of electronic technology fields, in particular to the false-touch prevention method based on test point density value and its intelligence
It can express delivery cabinet.
Background technique
With progressing greatly for touch-control sensing technology, more and more intelligence express delivery cabinets are using touch screen as input tool.
Capacitive touch screen plates long and narrow electrode on four side of touch screen, and a low-voltage AC electric field is formed in electric conductor.?
When touching screen, due to human body electric field, finger and conductor interlayer will form a coupled capacitor, the electric current meeting that four side electrodes issue
Contact is flowed to, and electric current power is directly proportional at a distance from finger to electrode, the controller positioned at touch screen backstage will calculate electricity
The ratio and power of stream, the accurate position for calculating touch point.Relative to resistive touch screen, the use of capacitive touch screen is more
Convenient, what it is for screen needs is organism (finger meat), rather than finger nail presses energetically, would not leave on such screen
Ugly scratches trace, and is quick on the draw, and is that resistance touch screen institute is inaccessiable.And capacitance plate is compared with touch screens power saving
One trend of touch screen, therefore be widely used in a variety of applications.
Currently, the intelligent express delivery cabinet in China is generally all placed in open air, and outdoor mosquito is relatively more, and the phototaxis of mosquito is led
It is caused to be liable to stick on the relatively bright touch screen of intelligent express delivery cabinet.Send part person and addressee using intelligent express delivery cabinet
When, it is easy because adhering to mosquito on screen and causing accidentally to touch, to send part person and addressee to bring inconvenience.And mosquito
Attachment will cause touch screen and persistently incude and feed back, and lead to the service performance and user experience decline of touch screen.It is many existing
False-touch prevention method, contribute to prevent the biggish object of the contact surfaces area such as trouser pocket, card from touching to the mistake of touch screen, some
Complicated Outdoor Scene, such as the place etc. that some mosquitoes are more, can not bring user's user experience of smoothness instead.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of false-touch prevention method of touch screen and based on the intelligence of this method
Express delivery cabinet, the touch screen can accidentally touching be touched with user with intelligent recognition mosquito, is only touched and is fed back to user, thus effectively
Solve the problems, such as the mosquito of phototaxis be attached to touch screen and caused by mistaken touch.
The present invention to achieve the above object, uses following technical scheme:
In a first aspect, the present invention provides a kind of false-touch prevention methods based on the detection of test point density value, including walk as follows
It is rapid:
Obtain all test point coordinates in target position；
The center point coordinate of the target position is obtained, and generates inspection centered on the center point coordinate of the target position
Survey region；
Calculate the test point density value in the detection zone；
Test point density thresholds are preset when the test point density value in the detection zone is not less than, then are judged as effective touching
It touches；
Wherein, when the target position is that target object is contacted with touch screen, touch screen is according to the touch operation sensed
The specific location of calculated touch；The target object includes finger and/or mosquito；The size of the detection zone is
The touch area that the Fingers outside of belly and touch screen reach when normally contacting；The test point is the minimum sample coordinate of touch screen
Point；The detection dot density that the Fingers outside of belly and touch screen that the default test point density thresholds are people reach when normally contacting
Value.
In an embodiment of the present invention, when being judged as effective touch, control instruction corresponding with target position is generated.
In an embodiment of the present invention, when the test point density value in the detection zone is close less than the default test point
Bottom valve value is then judged as invalid touch.
Further, in an embodiment of the present invention, it when being judged as invalid touch, does not generate corresponding with target position
Control instruction.
In an embodiment of the present invention, a kind of false-touch prevention method based on the detection of test point density value further include: obtain
Take touch point operation information；Wherein, the touch point operation information includes the touch manner on the target position.
Further, in an embodiment of the present invention, it when being judged as effective touch, generates and the target position and institute
State the corresponding control instruction of touch point operation information.
In an embodiment of the present invention, the false-touch prevention method based on the detection of test point density value, further includes:
All test point coordinates in the target position are obtained, the area value of the target position is calculated；
When the test point density value in the detection zone is not less than default test point density thresholds, and the target position
Area value be not less than preset area threshold values when, then be judged as effective touch；
Wherein, the area value that the Fingers outside of belly and touch screen that the preset area threshold values is people reach when normally contacting.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When the area value of value or the target position is less than the preset area threshold values, then it is judged as invalid touch.
In another embodiment of the present invention, the false-touch prevention method based on the detection of test point density value further includes
Obtain the pressure value on the target position；
When the test point density value in the detection zone is not less than default test point density thresholds, and the target position
On pressure value be not less than the preset pressure threshold values when, then be judged as effective touch；
Wherein, the pressure value that the Fingers outside of belly and touch screen that the preset pressure threshold values is people reach when normally contacting.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When pressure value in value or the target position is less than the preset pressure threshold values, then it is judged as invalid touch.
Second aspect, the present invention also provides a kind of intelligent express delivery cabinets of false-touch prevention based on test point density value, comprising:
Touch recognition module, main control module；
Wherein, the main control module is connected with the touch recognition module；
The touch recognition module, for obtaining the center point coordinate of the target position, and with the target position
Detection zone is generated centered on center point coordinate；It is also used to obtain all test point coordinates in the target position, and calculates institute
State the test point density value in detection zone；It is also used to be not less than default test point density thresholds when test point density value, then sentences
Break effectively to touch, and the target position is sent to the main control module；
The main control module is used for when being judged as effective touch, is generated and the target position and the target position pair
The control instruction answered；
Wherein, when the target position is that target object is contacted with touch screen, touch screen is according to the touch operation sensed
The specific location of calculated touch；The target object includes finger and/or mosquito；The size of the detection zone is
The touch area that the Fingers outside of belly and touch screen reach when normally contacting；The test point is the minimum sample coordinate of touch screen
Point.
In an embodiment of the present invention, the touch recognition module includes obtaining module and identification module；
The acquisition module is sat for obtaining all test point coordinates and the central point of target position in the target position
Mark, the acquisition module are also used to calculate the test point density value in the detection zone, and by the target position, the mesh
Test point density value in the center point coordinate of cursor position and the detection zone is sent to the identification module；
The identification module centered on the center point coordinate of the target position for generating detection zone, the identification
Module is also used to for the test point density value in the detection zone being compared with the default test point density thresholds, works as institute
The test point density value in detection zone is stated not less than the default test point density thresholds, then is judged as effective touch, by institute
It states target position and is sent to the main control module.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When value, then the touch recognition module is judged as invalid touch.
In an embodiment of the present invention, when the touch recognition module is judged as invalid touch, the main control module is not
Generate control instruction corresponding with target position.
In an embodiment of the present invention, the touch recognition module also with obtain touch point operation information；Wherein, described
Touch point operation information include include touch manner on the target position.
Further, in an embodiment of the present invention, when being judged as effective touch, the main control module generate with it is described
Target position and the corresponding control instruction of the touch point operation information.
In an embodiment of the present invention, a kind of intelligent express delivery cabinet of false-touch prevention based on test point density value further includes
Wireless module；The wireless module is used to receive the control instruction of terminal, and the control instruction is sent to the master control mould
The state of intelligent express delivery cabinet is fed back to terminal by block；Wherein the wireless module and the main control module connect.
In an embodiment of the present invention, the main control module includes single-chip microcontroller or central processing unit.
In an embodiment of the present invention, the wireless module includes WiFi wireless communication module, zigbee radio communication mold
Any one of block, 430MHz wireless communication module, 2.4GHz wireless communication module.
In an embodiment of the present invention, a kind of intelligent express delivery cabinet of false-touch prevention based on number of contacts detection further includes
Execution module；The control instruction that the execution module is used to be generated according to the main control module carries out corresponding operation；Wherein, institute
Execution module is stated to be connected with the main control module.
In an embodiment of the present invention, the execution module include electric control lock, bar code and reader for two-dimension code, camera,
Alarm, bill printing module.
In an embodiment of the present invention, the touch recognition module is also used to calculate the area value of the target position,
It is also used to the area value of test point density value and the target position in the detection zone and default detection dot density valve
Value and preset area threshold values are compared；When the test point density value in the detection zone is close not less than the default test point
Bottom valve value, and the area value of the target position be not less than the preset area threshold values when, then be judged as effective touch；Wherein,
The area value that the Fingers outside of belly and touch screen that the preset area threshold values is people reach when normally contacting.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When the area value of value or the target position is less than the preset area threshold values, then the touch recognition module is judged as invalid touching
It touches.
In another embodiment of the present invention, the touch recognition module is also used to obtain pressure on the target position
Value, and the test point density value in the detection zone is compared with default test point density thresholds, being also used to will be described
The pressure value and default test point density thresholds and default pressure on test point density value and the target position in detection zone
Power threshold values is compared；Test point density thresholds are preset when the test point density value in the detection zone is not less than, and described
When pressure value on target position is not less than the preset pressure threshold values, then it is judged as effective touch；Wherein, the preset pressure
The pressure value that the Fingers outside of belly and touch screen that threshold values is people reach when normally contacting.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When pressure value in value or the target position is less than the preset pressure threshold values, then the touch recognition module is judged as invalid
It touches.
Beneficial effects of the present invention:
Touch screen false-touch prevention method provided by the present invention and intelligent express delivery cabinet based on this method, are touched in touch screen
When touching, intelligent recognition and it can judge that user touches and accidentally touched with mosquito, and then execute user and touch selected operation, effectively
Ground solves the problems, such as on intelligent express delivery cabinet due to missing touching caused by mosquito attachment.Express delivery person and pickup person can be in mosquitoes
More outdoor zone still normally sends part and pickup, improves the usage experience of user.
Detailed description of the invention
Fig. 1 is the operation principle schematic diagram that touch screen determines touch position coordinates in the prior art；
Fig. 2 is the schematic diagram of contact described in one embodiment of the invention；
Fig. 3 is the schematic diagram of contact described in another embodiment of the present invention；
Fig. 4 is a kind of false-touch prevention method first embodiment based on the detection of test point density value provided by the present invention
Flow chart；
Fig. 5 is a kind of false-touch prevention method second embodiment based on the detection of test point density value provided by the present invention
Flow chart；
Fig. 6 is a kind of false-touch prevention method third embodiment based on the detection of test point density value provided by the present invention
Flow chart；
Fig. 7 is a kind of the 4th embodiment of false-touch prevention method based on the detection of test point density value provided by the present invention
Flow chart
Fig. 8 is a kind of module frame chart of intelligent express delivery cabinet based on the detection of test point density value provided by the present invention.
Specific embodiment
Embodiments of the present invention will be described below with reference to the accompanying drawings.It is described in an attached drawing of the invention or a kind of embodiment
Elements and features can be combined with elements and features illustrated in one or more other drawings or embodiments.It answers
When note that in order to understand purpose, being omitted in attached drawing and explanation unrelated to the invention, known to persons of ordinary skill in the art
The expression and description of component and processing, embodiment are only used for the purpose of illustration, do not limit the scope of the invention, while this field is general
The obvious change and modification that logical technical staff is made according to the present invention are also contained within the scope of the invention.
By taking capacitive touch screen as an example, it will be appreciated by persons skilled in the art that capacitance plate mould group includes touch screen (hand
The transparent part of touch operation) and touch IC (when hand touches capacitance plate, the position coordinates of contact are parsed by touching IC).Tool
Body, if Fig. 1 capacitive touch screen determines shown in the operation principle schematic diagram of touch position coordinates, when target object (including hand
Refer to and/or mosquito) with touch screen contact when, screen incude current touch location, and through processor obtain touch initial data,
Initial data calculates the specific location of touch after denoising, which in the present invention, is denoted as " target position "；
Minimum sample coordinate point on capacitive touch screen, i.e. lattice in Fig. 1 are denoted as " test point " in the present invention.The mesh
Contact point in cursor position is denoted as " contact " as shown in circle in Fig. 2 and Fig. 3.
Fig. 4 is a kind of first embodiment of false-touch prevention method based on test point density value of the invention, including with
Lower step:
S110: all test point coordinates in target position are obtained；
S120: obtaining the center point coordinate of the target position, the center point coordinate of the target position and with the mesh
Detection zone is generated centered on the center point coordinate of cursor position；Wherein, the size of the detection zone is the Fingers outside of belly
The maximum touch area reached when normally being contacted with touch screen；
S130: the test point density value in the detection zone is calculated；
S140: test point density thresholds are preset when the test point density value in the detection zone is not less than, then are judged as
Effectively touch；Wherein, what the Fingers outside of belly and touch screen that the default test point density thresholds are people reached when normally contacting
Test point density value.
In an embodiment of the present invention, the default test point density thresholds are calculated by differential evolution algorithm
Numerical value, the minimum reached when normally contacting for common people's Fingers outside of belly with touch screen preset test point density value.
In an embodiment of the present invention, when being judged as effective touch, control instruction corresponding with target position is generated.
In an embodiment of the present invention, when the test point density value in the detection zone is close less than the default test point
Bottom valve value is then judged as invalid touch.
Further, in an embodiment of the present invention, it when being judged as invalid touch, does not generate corresponding with target position
Control instruction.
In an embodiment of the present invention, a kind of false-touch prevention method based on the detection of test point density value further include: obtain
Take touch point operation information；Wherein, the touch point operation information includes the touch manner on the target position, such as click,
Sliding, gesture etc..
Further, in an embodiment of the present invention, it when being judged as effective touch, generates and the target position and institute
State the corresponding control instruction of touch point operation information.
Wherein, the inspection that the Fingers outside of belly and touch screen that the default test point density thresholds are people reach when normally contacting
Site density value.
In a concrete application scene of the invention, when target object contacts touch screen, touch screen can obtain the target
Position simultaneously forms multiple test points, obtains all test point coordinates in the target position, and calculate the multiple detection dot
At region central point, and generate detection zone centered on the central point, obtain all detections in the target position
Point coordinate, calculates the test point density value in the detection zone；When test point density value is not less than in advance in the detection zone
If test point density thresholds are then judged as effective touch；Otherwise, then it is judged as invalid touch；
When user uses touch screen, as shown in figure 3, due to user's finger pulp morphosis, the detection zone
Interior test point density value is not less than default test point density thresholds, therefore is judged as effective touch, and generates and the target
Position and the corresponding control instruction of the touch point operation information；
When mosquito adheres on the touchscreen, as shown in Fig. 2, due to mosquito morphosis, the detection zone
The often below default test point density thresholds of interior test point density value, therefore it is judged as invalid touch, it does not generate and the mesh
The corresponding any control instruction of cursor position.Therefore this method is by counting the test point density value in the detection zone
It calculates, and then identifies whether as finger manipulation, to prevent maloperation of the mosquito to touch screen.
Fig. 5 is a kind of second embodiment of false-touch prevention method based on test point density value of the invention, including following
Step:
S210: all test point coordinates in target position are obtained, the area value of the target position is calculated；
S220: obtaining the center point coordinate of the target position, calculates the center point coordinate of the target position and with institute
It states and generates detection zone centered on the center point coordinate of target position；
S230: the test point density value in the detection zone is calculated；Wherein, the size of the detection zone is hand
Refer to the maximum touch area reached when finger pulp face and touch screen normally contact；
S240: when the test point density value in the detection zone is not less than default test point density thresholds, and the mesh
When the area value of cursor position is not less than the preset area threshold values, then it is judged as effective touch；Wherein, the default test point is close
The test point density value that the Fingers outside of belly and touch screen that bottom valve value is people reach when normally contacting；The preset area threshold values is
The area value that the Fingers outside of belly and touch screen of people reach when normally contacting.
In an embodiment of the present invention, the default test point density thresholds and preset area threshold values are by differential evolution
The numerical value that algorithm is calculated, it is close that the minimum reached when normally contacting for common people's Fingers outside of belly with touch screen presets test point
Angle value and minimal face product value.
In an embodiment of the present invention, when being judged as effective touch, control instruction corresponding with target position is generated.
In an embodiment of the present invention, when the test point density value in the detection zone is close less than the default test point
When the area value of bottom valve value or the target position is less than the preset area threshold values, then it is judged as invalid touch；
In an embodiment of the present invention, a kind of false-touch prevention method based on the detection of test point density value further include: obtain
Take touch point operation information；Wherein, the touch point operation information includes the touch manner on the target position, such as click,
Sliding, gesture etc..
Further, in an embodiment of the present invention, it when being judged as effective touch, generates and the target position and institute
State the corresponding control instruction of touch point operation information.
When being judged as invalid touch, control instruction corresponding with target position is not generated.
In a concrete application scene of the invention, when target object is contacted with touch screen, touch screen obtains the target
All test point coordinates in position, calculate the area value of the target position and the center point coordinate of the target position, and with
Detection zone is generated centered on the center point coordinate of the target position, the area value of the target position is calculated, and calculate institute
State the test point density value in detection zone；When the test point density value in the detection zone is not less than default detection dot density
Threshold values, and the area value of the target position be not less than the preset area threshold values when, then be judged as effective touch；Otherwise, sentence
Break to touch in vain.
When user uses touch screen, as shown in figure 3, due to user's finger pulp morphosis, the detection zone
Interior test point density value is not less than default test point density thresholds and the area value of the target position is default not less than described
Area-limit, therefore it is judged as effective touch, and generate control corresponding with the target position and the touch point operation information
System instruction；
When mosquito adheres on the touchscreen, as shown in Fig. 2, due to mosquito morphosis, mosquito and the touching
The test point density value touched in the detection zone formed when screen contact is less than default test point density thresholds and the target
The area value of position is less than the preset area threshold values, therefore is judged as invalid touch, does not generate any control instruction.Therefore originally
Method is calculated by the area value to test point density value and the target position in the detection zone, and then is identified
It whether is finger manipulation, to prevent maloperation of the mosquito to touch screen.
Fig. 6 is a kind of third embodiment of the false-touch prevention method based on test point density value of the present invention, including is walked as follows
It is rapid:
S310: the pressure value on target position is obtained；Wherein, the pressure value on the target position is on target position
Maximum pressure value
S320: all test point coordinates in the target position are obtained, the center point coordinate of the target position is calculated；
S330: generating detection zone centered on the center point coordinate of the target position, calculates in the detection zone
Test point density value；Wherein, the size of the detection zone is that the Fingers outside of belly reaches when normally contacting with touch screen
Maximum touch area；
S340: when the test point density value in the detection zone is not less than default test point density thresholds, and the mesh
When pressure value in cursor position is not less than preset pressure threshold values, then it is judged as effective touch；Wherein, the default detection dot density
The test point density value that the Fingers outside of belly and touch screen that threshold values is people reach when normally contacting；The preset pressure threshold values is behaved
The Fingers outside of belly and the pressure value that reaches when normally contacting of touch screen.
In one embodiment of the invention, the preset pressure threshold values and the default test point density thresholds be by difference into
Change the numerical value that is calculated of algorithm, the minimum pressure values that reach when normally contacting for common people's Fingers outside of belly and touch screen and most
Small test point density value.
In an embodiment of the present invention, when being judged as effective touch, control instruction corresponding with target position is generated.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
It is worth or when the pressure value on the target position is less than the preset pressure threshold values, is then judged as invalid touch；
Further, in an embodiment of the present invention, it when being judged as invalid touch, does not generate corresponding with target position
Control instruction.
In an embodiment of the present invention, a kind of false-touch prevention method based on the detection of test point density value further include: obtain
Take touch point operation information；Wherein, the touch point operation information includes the touch manner on the target position.
Further, in an embodiment of the present invention, it when being judged as effective touch, generates and the target position and institute
State the corresponding control instruction of touch point operation information.
In a concrete application scene of the invention, when target object contacts touch screen, touch screen obtains the target position
The pressure value set, and obtain and obtain all test point coordinates in the target position, calculate the central point of the target position
Coordinate, and detection zone is generated centered on the center point coordinate of the target position, calculate the detection in the detection zone
Dot density value；When the test point density value in the detection zone is not less than default test point density thresholds or the target position
On pressure value be not less than the preset pressure threshold values when, then be judged as effective touch；
When user uses touch screen, as shown in Fig. 2, due to user's finger pulp morphosis, the detection zone
Interior test point density value is not less than the pressure value on default test point density thresholds and the target position not less than described pre-
If pressure threshold value, therefore be judged as and effectively touch and generate control corresponding with the target position and the touch point operation information
System instruction；
When mosquito adheres on the touchscreen, as shown in figure 3, due to mosquito morphosis, the often detection
Test point density value in region is less than the pressure value on the default test point density thresholds or the target position and is less than institute
Preset pressure threshold values is stated, therefore is judged as invalid touch, does not generate any control instruction.Therefore this method passes through to the detection
The pressure value on the target position on test point density value and the target position in region is calculated, and then is identified
It whether is finger manipulation, to prevent maloperation of the mosquito to touch screen.
Fig. 7 is a kind of 4th embodiment of the false-touch prevention method based on test point density value of the present invention, including is walked as follows
It is rapid:
S410: the pressure value on target position is obtained；
S420: all test point coordinates in the target position are obtained, the area value of the target position is calculated；
S430: generating detection zone centered on the center point coordinate of the target position, calculates in the detection zone
Test point density value；
Wherein, the size of the detection zone is the maximum touching reached when the Fingers outside of belly and touch screen normally contact
Touch area；
S440: when the test point density value in the detection zone is not less than default test point density thresholds, and the mesh
The area value of cursor position is not less than the preset area threshold values, and the pressure value on the target position is not less than the default pressure
When power threshold values, then it is judged as effective touch；Wherein, the default test point density thresholds are the Fingers outside of belly and touch screen of people
The test point density value reached when normal contact；The preset area threshold values is that the Fingers outside of belly of people is normally contacted with touch screen
When the area value that reaches；The pressure that the Fingers outside of belly and touch screen that the preset pressure threshold values is people reach when normally contacting
Value.
In an embodiment of the present invention, the default test point density thresholds, preset area threshold values and preset pressure threshold values
It is the numerical value being calculated by differential evolution algorithm, reaches most when normally being contacted for common people's Fingers outside of belly with touch screen
Small test point density value, minimal face product value and minimum pressure values.
In an embodiment of the present invention, when being judged as effective touch, control instruction corresponding with target position is generated.
In an embodiment of the present invention, when the test point density value in the detection zone is close less than the default test point
The pressure value that the area value of bottom valve value or the target position is less than on the preset area threshold values or the target position is less than
When the preset pressure threshold values, then it is judged as invalid touch；
Further, when being judged as invalid touch, control instruction corresponding with target position is not generated.
In an embodiment of the present invention, a kind of false-touch prevention method based on the detection of test point density value further include: obtain
Take touch point operation information；Wherein, the touch point operation information includes the touch manner on the target position.
Further, in an embodiment of the present invention, it when being judged as effective touch, generates and the target position and institute
State the corresponding control instruction of touch point operation information.
In a concrete application scene of the invention, when target object is contacted with touch screen, touch screen obtains target position
On pressure value, obtain all test point coordinates in the target position and calculate center point coordinate and the institute of the target position
The area value for stating target position generates detection zone centered on the center point coordinate of the target position, calculates the target
The area value of position, and calculate the test point density value in the detection zone；When the detection dot density in the detection zone
Value is not less than default test point density thresholds, and when the area value of the target position is not less than the preset area threshold values, then
It is judged as effective touch；Otherwise, it is judged as invalid touch；
When user uses touch screen, as shown in figure 3, due to user's finger pulp morphosis, the detection zone
Interior test point density value is not less than default test point density thresholds, and the pressure value on the target position is not less than described pre-
If pressure threshold value, and the area value of the target position is not less than the preset area threshold values, therefore is judged as effective touch, and
Generate control instruction corresponding with the target position and the touch point operation information；
When mosquito adheres on the touchscreen, as shown in Fig. 2, due to mosquito morphosis, mosquito and the touching
The test point density value touched in the detection zone formed when screen contact is less than the default test point density thresholds or described
Pressure value on target position is less than the preset pressure threshold values or the area value of the target position is less than the preset area
Threshold values, therefore it is judged as invalid touch, control instruction corresponding with the target position is not generated.Therefore this method passes through to institute
State the test point density value in detection zone, the area value of the target position is calculated, and then identify whether for
Finger manipulation, to prevent maloperation of the mosquito to touch screen.
The intelligent express delivery cabinet for the touch screen false-touch prevention method based on test point density value that the present invention also provides a kind of, at this
Invent in an embodiment, as shown in Figure 8, comprising: touch recognition module 10, main control module 20, wherein touch recognition module 10 with
Main control module 20 is connected, which further includes wireless module 30, execution module 40；
Wherein, the main control module 20 is connected with the wireless module 30 and the execution module 40 respectively；
The touch recognition module 10 calculates the target for obtaining all test point coordinates in the target position
The center point coordinate of position, the center point coordinate of the target position are simultaneously raw centered on the center point coordinate of the target position
At detection zone, the test point density value in the detection zone is calculated, when test point density value is close not less than default test point
Bottom valve value is then judged as effective touch, and the target position is sent to the main control module 20；Wherein, the default detection
The test point density value that the Fingers outside of belly and touch screen that dot density threshold values is people reach when normally contacting；
The main control module 20 is used for when being judged as effective touch, is generated control corresponding with the target position and is referred to
It enables；And it is sent to the execution module 40, the main control module 20 is also used to generate status feedback information, and is sent to the nothing
Wire module 30；
The wireless module 30 is used to receive the control instruction of terminal, and control instruction is sent to the main control module
20, the status feedback information for being also used to receive is sent to terminal；
The execution module 40 is used to execute corresponding operation according to the control instruction that receives, as ON/OFF electric control lock,
The equipment such as ON/OFF bar code and reader for two-dimension code, ON/OFF camera, ON/OFF alarm, ON/OFF bill printing module.
Specifically, the touch recognition module 10 includes obtaining module 11 and identification module 12, the acquisition module 11 is used
In obtaining all test point coordinates in the target position, the center point coordinate of the target position, the acquisition module are calculated
11 are also used to calculate the test point density value in the detection zone, and by the target position, the center of the target position
Test point density value in point coordinate and the detection zone is sent to the identification module 12；
The identification module 12 centered on the center point coordinate of the target position for generating detection zone, the knowledge
Other module 12 is also used to for the test point density value in the detection zone being compared with the default test point density thresholds,
When the test point density value in the detection zone be not less than the default test point density thresholds, then be judged as effective touch,
The target position is sent to the main control module 20.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When value, then 10 pieces of the touch recognition mould is judged as invalid touch.
In an embodiment of the present invention, when the touch recognition module 10 is judged as invalid touch, the main control module
20 do not generate control instruction corresponding with target position.
In an embodiment of the present invention, the touch recognition module 10 also with obtain touch point operation information；Wherein, institute
Stating touch point operation information and including includes touch manner on the target position.
Further, in an embodiment of the present invention, when being judged as effective touch, the main control module 20 generates and institute
State target position and the corresponding control instruction of the touch point operation information.
In an embodiment of the present invention, the touch recognition module 10 is also used to calculate the area of the target position
Value, is also used to the area value of test point density value and the target position in the detection zone and the default test point
Density thresholds and the preset area threshold values are compared；When the test point density value in the detection zone is not less than default inspection
Site density threshold values, and the area value of the target position be not less than the preset area threshold values when, then be judged as effective touch；
Wherein, the area value that the Fingers outside of belly and touch screen that the preset area threshold values is people reach when normally contacting.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When the area value of value or the target position is less than the preset area threshold values, then the touch recognition module 10 is judged as invalid
It touches.
In an embodiment of the present invention, the touch recognition module 10 is also used to obtain pressure on the target position
Value, is also used to for the pressure value on the target position being compared with the preset pressure threshold values, when in the detection zone
Test point density value be not less than the default test point density thresholds, and the pressure value on the target position is not less than described
When preset pressure threshold values, then it is judged as effective touch；Wherein, the preset pressure threshold values is the Fingers outside of belly and touch screen of people
The pressure value reached when normal contact.
In an embodiment of the present invention, when the test point density value in the detection zone is less than default detection dot density valve
When pressure value in value or the target position is less than the preset pressure threshold values, then the touch recognition module 10 is judged as nothing
Effect touches.
Further, in an embodiment of the present invention, the touch recognition module 10 includes capacitance pressure transducer, when
When user presses touch screen, the distance between two capacitor plates of capacitive pressure transducer reduce, and then change capacitor.
One: C=ε S/4 π kd of formula, wherein the dielectric constant of ε medium between pole plate, S are polar plate area, and d is between pole plate
Distance, C be capacity cell capacitance.
According to formula one it is found that capacitor increases when the distance of two pole plates of capacitor reduces.
In one implementation, the variable quantity of capacitor is converted to the variable quantity of voltage value.
Formula two: q=Cu, wherein q is the quantity of electric charge on capacitor plate；C is the capacitance of capacity cell；U is capacitor
Both end voltage.
According to formula two and formula one it is found that when the quantity of electric charge on capacitor plate is constant, user presses the power of touch screen
Amount is bigger, and the distance between two pole plates of capacitor is smaller, and capacitance is bigger, and the corresponding voltage value of capacitance is smaller.Therefore, pass through
Formula one and formula two can obtain the pressure on the target position of pressing touch screen according to the variable quantity of the voltage value at capacitor both ends
Pressure value on power target position.
It should be noted that there may be differences for the data that different pressure sensors is got for identical pressure value
It is different, and it is not concerned in automation process the unit of numerical value, therefore the difference of the pressure sensor according to selection, it obtains
The numerical value arrived is also different.The present invention only needs to distinguish relative pressure, while the present invention has differentiation mosquito and user's finger pressure
Susceptibility.Such as: the pressure value that user applies is 10 Ns, and the pressure value that pressure sensor A is obtained is 1, and pressure sensor B is obtained
The pressure value obtained is 10, and the pressure value that pressure sensor C is obtained is 100.
Specifically, the acquisition module 11 includes capacitive touch screen.
Specifically, the acquisition module 11 is also used to obtain the touch point operation information on target position；Wherein, the touching
Touching an operation information includes the touch manner on target position, such as is clicked, sliding, gesture.
Specifically, the main control module 20 includes single-chip microcontroller or central processing unit.
Specifically, the wireless module 30 include WiFi wireless communication module, zigbee wireless communication module, 430MHz without
Any one of line communication module, 2.4GHz wireless communication module.
It is embodied in scene in the present invention one, by the false-touch prevention provided by the present invention based on the detection of test point density value
The intelligent express delivery cabinet of method is placed at the more open air of mosquito, when target object contacts touch screen, 11 meeting of acquisition module
Multiple test points are formed, and calculate the central point in the region that the multiple test point is formed, and is raw centered on the central point
At detection zone, the test point coordinate on the target position is obtained, shown identification module 12 is according in the detection zone
The test point coordinate, calculates test point density value, according to the test point density value in the detection zone to determine whether
Effectively to touch.
When mosquito adheres on the touchscreen, as shown in figure 3, due to mosquito morphosis itself, the detection
Test point density value in region is commonly greater than default test point density thresholds, therefore the identification module 12 is judged as invalid touching
It touches, the main control module 20 does not generate any control instruction according to the target position of mosquito；
When user's finger is in contact with touch screen, as shown in Fig. 2, the original of the finger pulp loss morphosis due to user
Cause, the number of contacts of user's finger only one, therefore the identification module 12 is judged as effective touch, and by the mesh
Cursor position is sent to the main control module 20, and the main control module 20 generates control instruction corresponding with the target position, and
The execution module 40 is sent by the control instruction, the execution module 40 is after receiving control instruction, execution and institute
State control and execute corresponding operation, including ON/OFF electric control lock, ON/OFF bar code and reader for two-dimension code, ON/OFF camera, open/
Close the operation of the equipment such as alarm, ON/OFF bill printing module.The wireless module 30 can be by the use feelings of intelligent express delivery cabinet
Condition is sent to terminal by wifi wireless network or mobile network, and terminal can also pass through wifi wireless network or mobile network
The wireless module 30 is sent by system instruction, then the main control module 20 is transferred to by the wireless module 30, it is fast to intelligence
It passs cabinet and assigns control instruction.
It is embodied in scene in the present invention one, by the false-touch prevention method provided by the present invention based on test point density value
Intelligent express delivery cabinet be placed at the more open air of mosquito, when target object contact touch screen when, the acquisition module 11 will form
Multiple test points, and the central point in the region that the multiple test point is formed is calculated, and inspection is generated centered on the central point
Region is surveyed, the test point coordinate on the target position is obtained, the identification module 12 is sat according to the test point on target position
Mark calculates the area value of the target position；The identification module 12 is sat according to the test point in the detection zone
Mark, calculates the test point density value in the detection zone；And according in the detection zone test point density value and institute
The area value of target position is stated to determine whether effectively to touch；
When mosquito adheres on the touchscreen, as shown in figure 3, due to mosquito morphosis itself, the detection
Test point density value in region is often below the default test point density thresholds or the area value of the target position is less than
The preset area threshold values, therefore the identification module 12 is judged as invalid touch, the main control module 20 is not according to mosquito
The target position generates any control instruction；
When user's finger is in contact with touch screen, as shown in Fig. 2, the original of the finger pulp loss morphosis due to user
Cause, often the test point density value in the detection zone is not less than the default test point density thresholds and the target position
Area value be not less than the preset area threshold values, therefore the identification module 12 is judged as effective touch, and by the target
Position is sent to the main control module 20, and the main control module 20 generates and phase according to the touch point operation information received
The control instruction answered, and the execution module 40 is sent by the control instruction, the execution module 40 is receiving control
After instruction, execution operation corresponding with the control execution, including ON/OFF electric control lock, ON/OFF bar code and reader for two-dimension code,
The operation of the equipment such as ON/OFF camera, ON/OFF alarm, ON/OFF bill printing module.The wireless module 30 can be by intelligence
The service condition of express delivery cabinet is sent to terminal by wifi wireless network or mobile network, and terminal can also be wireless by wifi
Network or mobile network, which instruct system, is sent to the wireless module 30, then is transferred to the master control mould by the wireless module 30
Block 20 assigns control instruction to intelligent express delivery cabinet.
It is embodied in scene in the present invention one, by the intelligence of the false-touch prevention provided by the present invention based on test point density value
Energy express delivery cabinet is placed at the more open air of mosquito, and when target object contacts touch screen, the acquisition module 11 obtains target position
The central point set, and detection zone is generated centered on the central point, and obtain the pressure value on the target position, and obtain
All test point coordinates in the target position are taken, the test point density value in the detection zone, shown identification module are calculated
12 judge whether it is effective touch according to the pressure value on the test point density value and the target position in the detection zone；
When mosquito attachment on the touchscreen when, as shown in figure 3, due to mosquito morphosis itself, often mosquito
The detection zone in test point density value be less than the pressure value on the test point density thresholds or the target position
Less than the preset pressure threshold values, therefore the identification module 12 is judged as invalid touch, and the main control module 20 is not according to mosquito
The target position of worm generates any control instruction；
When user's finger is in contact with touch screen, as shown in Fig. 2, the original of the finger pulp loss morphosis due to user
Cause, the test point density value in the detection zone of user's finger are not less than the test point density thresholds, and the target
Pressure value on position is not less than the preset pressure threshold values, therefore the identification module 12 is judged as effective touch, and by institute
It states target position and is sent to the main control module 20, the main control module 20 generates and phase according to the target position received
The control instruction answered, and send the execution module 40 for the control instruction, the execution module 40 receive it is described
After control instruction, operation corresponding with the control execution is executed, including ON/OFF electric control lock, ON/OFF bar code and two dimensional code are read
The operation of the equipment such as device, ON/OFF camera, ON/OFF alarm, ON/OFF bill printing module.The wireless module 30 can be by intelligence
Can express delivery cabinet service condition, terminal is sent to by wifi wireless network or mobile network, terminal can also by wifi without
Gauze network or mobile network, which instruct system, is sent to the wireless module 30, then is transferred to the master control by the wireless module 30
Module 20 assigns control instruction to intelligent express delivery cabinet.
It is embodied in scene in the present invention one, by the false-touch prevention method provided by the present invention based on test point density value
Intelligent express delivery cabinet be placed at the more open air of mosquito, when target object contacts touch screen, the acquisitions module 11 acquisition institute
The pressure value on target position is stated, the acquisition module 11 also will form multiple test points, and calculate the multiple detection dot
At region central point, and generate detection zone centered on the central point, obtain the test point on the target position
Coordinate, the identification module 12 calculate the area value of the target position according to the test point coordinate on target position；It is described
Identification module 12 calculates test point density value according to the test point coordinate in the detection zone；And according to the detection zone
The area value of pressure value on test point density value, the target position in domain and the target position is to determine whether to have
Effect touches；
When mosquito adheres on the touchscreen, as shown in figure 3, due to mosquito morphosis itself, the institute of mosquito
State the area that the test point density value in detection zone is often below the default test point density thresholds or the target position
Value is less than the pressure value on the preset area threshold values or the target position and is less than the preset pressure threshold values, therefore the knowledge
Other module 12 is judged as invalid touch, and the main control module 20 does not generate any control according to the touch point operation information of mosquito and refers to
It enables；
When user's finger is in contact with touch screen, as shown in Fig. 2, the original of the finger pulp loss morphosis due to user
Cause, often the test point density value in the detection zone is not less than the default test point density thresholds, and the target position
The area value set is not less than the preset area threshold values, and the pressure value on the target position is not less than the pressure threshold value,
Therefore the identification module 12 is judged as effective touch, and the target position is sent to the main control module 20, the master
Control module 20 sends institute for the control instruction according to the target position generation received and corresponding control instruction
Execution module 40 is stated, the execution module 40 executes operation corresponding with the control execution, packet after receiving control instruction
Include ON/OFF electric control lock, ON/OFF bar code and reader for two-dimension code, ON/OFF camera, ON/OFF alarm, ON/OFF bill printing mould
The operation of the equipment such as block.The service condition of intelligent express delivery cabinet can be passed through wifi wireless network or movement by the wireless module 30
Network is sent to terminal, and terminal can also send the wireless module for system instruction by wifi wireless network or mobile network
30, then the main control module 20 is transferred to by the wireless module 30, control instruction is assigned to intelligent express delivery cabinet.
Obviously, above-described embodiment is lifted made by the method flow of technical solution of the present invention just for the sake of more clearly expressing
Example, rather than the restriction to embodiment of the present invention.It to those skilled in the art, on the basis of the above description can be with
It makes other variations or changes in different ways, without departing from the inventive concept of the premise, these belong to guarantor of the invention
Protect range.Therefore the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of false-touch prevention method based on test point density value, which comprises the steps of:
Obtain all test point coordinates in target position；
Obtain the center point coordinate of the target position, the center point coordinate of the target position and in the target position
Detection zone is generated centered on heart point coordinate；
Calculate the test point density value in the detection zone；
Test point density thresholds are preset when the test point density value in the detection zone is not less than, then are judged as effective touch；
Wherein, when the target position is that target object is contacted with touch screen, touch screen is calculated according to the touch operation sensed
The specific location of touch out；The target object includes finger and/or mosquito；The size of the detection zone is finger
The touch area that finger pulp face and touch screen reach when normally contacting；The test point is the minimum sample coordinate point of touch screen；Institute
State the test point density value reached when the Fingers outside of belly that default test point density thresholds are people is normally contacted with touch screen.
2. a kind of false-touch prevention method based on test point density value as described in claim 1, which is characterized in that further include:
All test point coordinates in the target position are obtained, the area value of the target position is calculated；
When the test point density value in the detection zone is not less than default test point density thresholds, and the face of the target position
When product value is not less than preset area threshold values, then it is judged as effective touch；
Wherein, the area value that the Fingers outside of belly and touch screen that the preset area threshold values is people reach when normally contacting.
3. a kind of false-touch prevention method based on test point density value as described in claim 1, which is characterized in that further include:
Obtain the pressure value on the target position；
Test point density thresholds are preset when the test point density value in the detection zone is not less than, and on the target position
When pressure value is not less than the preset pressure threshold values, then it is judged as effective touch；
Wherein, the pressure value that the Fingers outside of belly and touch screen that the preset pressure threshold values is people reach when normally contacting.
4. the false-touch prevention method based on test point density value as described in any one of claim 1-3, which is characterized in that also
Include:
When being judged as effective touch, control instruction corresponding with the target position is generated.
5. the false-touch prevention method based on test point density value as described in any one of claim 1-3, which is characterized in that also
Include:
Obtain touch point operation information；Wherein, the touch point operation information includes the touch manner on the target position.
6. as claimed in claim 5 based on the false-touch prevention method of test point density value, which is characterized in that further include:
When being judged as effective touch, control instruction corresponding with the target position and the touch point operation information is generated.
7. a kind of intelligent express delivery cabinet of false-touch prevention based on test point density value characterized by comprising touch recognition module,
Main control module；
Wherein, the main control module is connected with the touch recognition module；
The touch recognition module, for obtaining all test point coordinates in target position；It is also used to obtain the target position
Center point coordinate, and generate detection zone centered on the center point coordinate of the target position；It is also used to calculate the inspection
Survey the test point density value in region；It is also used to be not less than default test point density thresholds when test point density value, is then judged as
It effectively touches, and the target position is sent to the main control module；
The main control module is used for when being judged as effective touch, generates control instruction corresponding with the target position；
Wherein, when the target position is that target object is contacted with touch screen, touch screen is calculated according to the touch operation sensed
The specific location of touch out；The target object includes finger and/or mosquito；The size of the detection zone is finger
The touch area that finger pulp face and touch screen reach when normally contacting；The test point is the minimum sample coordinate point of touch screen；Institute
State the area value reached when the Fingers outside of belly that preset area threshold values is people is normally contacted with touch screen.
8. a kind of intelligent express delivery cabinet of the false-touch prevention based on test point density value as claimed in claim 7, which is characterized in that
The touch recognition module is also used to calculate the area value of the target position, is also used to the inspection in the detection zone
The area value of site density value and the target position is compared with default test point density thresholds and preset area threshold values；When
Test point density value in the detection zone is not less than default test point density thresholds, and the area value of the target position is not
When less than the preset area threshold values, then it is judged as effective touch；Wherein, the preset area threshold values is the Fingers outside of belly of people
The area value reached when normally being contacted with touch screen.
9. a kind of intelligent express delivery cabinet of the false-touch prevention based on test point density value as claimed in claim 7, which is characterized in that
The touch recognition module is also used to obtain the pressure value on the target position, and being also used to will be on the target position
Pressure value is compared with the preset pressure threshold values, when the test point density value in the detection zone is not less than default detection
Dot density threshold values, and the pressure value on the target position be not less than the preset pressure threshold values when, then be judged as effective touch；
Wherein, the pressure value that the Fingers outside of belly and touch screen that the preset pressure threshold values is people reach when normally contacting.
10. a kind of intelligent express delivery cabinet of false-touch prevention based on test point density value as described in any one of claim 7-9,
It is characterized in that,
The touch recognition module also with obtain touch point operation information；Wherein, the touch point operation information includes described
Touch manner on target position.
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| CN102331872A (en) * | 2011-05-30 | 2012-01-25 | 广州视睿电子科技有限公司 | Method and device for realizing mouse middle key effect on touch screen |
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| CN104516555A (en) * | 2013-09-27 | 2015-04-15 | 天津富纳源创科技有限公司 | Method for preventing error touch of touch panel |
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| CN102498456A (en) * | 2009-07-23 | 2012-06-13 | 惠普发展公司，有限责任合伙企业 | Display with an optical sensor |
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