CN110134284A - A kind of object identification method based on touch screen touch point - Google Patents
A kind of object identification method based on touch screen touch point Download PDFInfo
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- CN110134284A CN110134284A CN201910427567.XA CN201910427567A CN110134284A CN 110134284 A CN110134284 A CN 110134284A CN 201910427567 A CN201910427567 A CN 201910427567A CN 110134284 A CN110134284 A CN 110134284A
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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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- 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
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/048—Indexing scheme relating to G06F3/048
- G06F2203/04808—Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses a kind of object identification method and device based on touch screen touch point, wherein this method includes the touch information for receiving touch screen and issuing；B touch point is chosen from A touch point；Calculate the side length information between the B touch point；It is separately encoded to side length information progress, a syllabified code is formed, that is, forms D syllabified code corresponding with the side length information between the C touch point；Code data packet is packaged into the D syllabified code；Code data, which is wrapped, reaches host computer；Host computer is decoded code data packet, and decoded information is the characteristic information of object to be identified (TAG)；The characteristic information of the object to be identified is compared with a variety of object features information in database and is matched, matching is completed then to identify object success.The object identification method and device based on touch screen touch point, the composition of device is extremely simple, and deployment is convenient, while low in cost, is suitble to promote large-scale use.
Description
Technical field
The present invention relates to touch screen touch point object recognition technique field, specially a kind of object based on touch screen touch point
Body recognition methods.
Background technique
Multi-contact touch screen supports multiple contacts to input simultaneously, and by the feature of the point of touch screen, carrying out object identification is
One mature technology, hereinafter referred to as object identification are TAG identification.
With the maturation of touch screen technology, the points that touch screen can report are more and more, and the position of point is also more and more accurate,
The method for doing object identification by touching point feature, starts in the fields such as education, display and demonstration large-scale application, therefore is badly in need of wanting
A kind of deployment is convenient, low-cost solution.
Summary of the invention
The purpose of the present invention is to provide a kind of object identification methods based on touch screen touch point, to solve above-mentioned background
The maturation with touch screen technology is proposed in technology, the points that touch screen can report are more and more, and the position of point is also more and more smart
Really, the method for doing object identification by touching point feature starts to be badly in need of wanting in the fields such as education, display and demonstration large-scale application
The problem of a kind of deployment is convenient, low-cost solution.
To achieve the above object, the invention provides the following technical scheme: a kind of object identification based on touch screen touch point
Method, comprising:
The touch information that touch screen issues is received, amounting in touch information has A touch point, and A corresponding with A touch point
The coordinate information of a touch point；
B touch point is chosen from A touch point, wherein A >=3, A >=B, A and B are the integer more than or equal to 3；
The side length information between the B touch point is calculated, total side length information having between C touch point；
Separately encoded, independent side length information one syllabified code of formation, i.e. formation and institute are carried out to the side length information
The corresponding D syllabified code of side length information between C touch point is stated, wherein the quantity of D and C is identical；
The D syllabified code is packaged, code data packet is generated；
The code data, which is wrapped, reaches host computer；
The host computer is decoded code data packet, is decoded into the information that host computer can identify, the information is
The characteristic information of object (TAG) to be identified；
The characteristic information of the object to be identified is compared with a variety of object features information in database and is matched, is matched
Completion then identifies object success.
Preferably, described that B touch point is chosen from A touch point, a figure is constituted by the endpoint of B touch point
Shape, as B=3, the endpoint of touch point then constitutes triangle to be identified.
Preferably, the selection of the touch point is carried out by selection module, and the side length between touch point is carried out by computing module
It calculates, the coding of side length information is completed as the system software built in touch screen, and object to be identified passes through matching module and database
In a variety of object features information complete comparison matching.
Preferably, a variety of object features information in the database include the characteristic information of object to be identified.
Preferably, the touch screen mainly uses multipoint capacitive screen and Multi-point infrared screen, especially multipoint capacitive screen.
Preferably, pass through the TAG of the multiple point touching HID protocol of standard and customization between the code data packet and host computer
HID protocol is interacted with hardware.
A kind of object identification device based on touch screen touch point, including USB host interface module, USB device interface mould
Block, object identification processing module and multipoint capacitive screen, USB host interface module, USB device interface module, object identification processing
Module and multipoint capacitive screen are electrically connected by cable.
Preferably, the USB host interface module is used for and is communicated using the touch screen of USB interface, completes touch screen
Configuration and the reading for touching point coordinate data, particular for the touching for following Windows HID standard multidrop descriptor reported data
Touch the hardware communication of screen.
Preferably, the USB device interface module, is used for and dataphone, by HID interface report touch data and
TAG data, while the optional function of completing bootloader, completion set the parameter of the matched parameter setting of TAG and touch
It sets.
Preferably, the data processing module is used for according to preset matching rule and algorithm, from the original of touch screen
In initial point, the touch point for meeting TAG feature is matched, generates the information that reports of TAG, and track and identify using traditional Multi-point point
Scheduling algorithm, and data processing module mainly includes receiving module, chooses module, comprising modules, computing module and matching module.
Compared with prior art, the beneficial effects of the present invention are: should object identification method based on touch screen touch point and
Device arbitrarily chooses B from A touch point by choosing module by receiving the location information of A touch point on touch screen
B touch point is formed certain figure by comprising modules by a touch point, by computing module calculate each touch point it
Between side length, then it is separately encoded at a byte to single side length, finally multiple codings are carried out to be packaged into code data packet, and
It is transmitted to host computer, host computer carries out being decoded code data packet again, decodes the information that can be identified, this information is
The characteristic information of object to be identified finally matches the characteristic information of object to be identified with the information in database, matching
Completion then identifies success, and the composition of the device is extremely simple, and deployment is convenient, while low in cost, is suitble to promote large-scale use.
Detailed description of the invention
Fig. 1 is flow diagram of the present invention；
Fig. 2 is present system structural schematic diagram；
Fig. 3 is data processing module schematic diagram of the present invention.
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.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of object identification side based on touch screen touch point
Method, comprising:
The touch information that touch screen issues is received, amounting in touch information has A touch point, and A corresponding with A touch point
The coordinate information of a touch point；
B touch point is chosen from A touch point, wherein A >=3, A >=B, A and B are the integer more than or equal to 3；
The side length information between B touch point is calculated, total side length information having between C touch point；
Opposite side long message carries out separately encoded, and individual side length information forms a syllabified code, that is, formed with C touch point it
Between the corresponding D syllabified code of side length information, wherein the quantity of D and C is identical；
Pair D syllabified code be packaged, generate code data packet；
Code data, which is wrapped, reaches host computer；
Host computer is decoded code data packet, is decoded into the information that host computer can identify, information be object to be identified
The characteristic information of body (TAG)；
By the characteristic information of object to be identified compare and match with a variety of object features information in database, matching is completed
Then identify object success.
Further, B touch point is chosen from A touch point, and a figure is constituted by the endpoint of B touch point,
As B=3, the endpoint of touch point then constitutes triangle to be identified, is convenient for identifying.
Further, the selection of touch point is carried out by selection module, and the side length between touch point is counted by computing module
It calculates, the coding of side length information is completed as the system software built in touch screen, and object to be identified passes through in matching module and database
A variety of object features information complete comparison matching, by the cooperation between modules, convenient for being identified to object.
Further, a variety of object features information in database include the characteristic information of object to be identified, pass through setting
Database, convenient for comparing identification to object to be identified.
Further, touch screen mainly uses multipoint capacitive screen and Multi-point infrared screen, especially multipoint capacitive screen, multiple spot capacitor
Screen touches while can detecte at multiple and the location coordinate information of multiple points, and detection is accurate.
Further, pass through the TAG of the multiple point touching HID protocol of standard and customization between code data packet and host computer
HID protocol is interacted with hardware, convenient for the output for the code data packet that touch point is formed.
A kind of object identification device based on touch screen touch point, including USB host interface module, USB device interface mould
Block, object identification processing module and multipoint capacitive screen, USB host interface module, USB device interface module, object identification processing
Module and multipoint capacitive screen are electrically connected by cable.
Further, USB host interface module is used for and is communicated using the touch screen of USB interface, completes matching for touch screen
The reading for setting and touching point coordinate data, particular for the touch for following Windows HID standard multidrop descriptor reported data
The hardware communication of screen, convenient for the acquisition of touch point.
Further, USB device interface module, is used for and dataphone, computer are internally provided with application software, pass through
HID interface reports touch data and TAG data, while the optional function of completing bootloader, completes to the matched ginseng of TAG
Parameter settings number setting and touched, parameter by being artificially configured, can by the auxiliary tool interface of system to parameter into
The update of row setting and program.
Further, data processing module is used for according to preset matching rule and algorithm, from the original of touch screen
In point, the touch point for meeting TAG feature is matched, generates the information that reports of TAG, and track and identify using traditional Multi-point point
Algorithm, and data processing module mainly includes receiving module, chooses module, comprising modules, computing module and matching module, data
Processing module is built-in with program, is successively received, is chosen by touch point information of the program to object, forming figure, meter
Side length, opposite side long message coding and decoding are calculated, match cognization object is finally carried out, matching is completed, i.e. identification is completed.
It is that can lead to it will be understood by those skilled in the art that realizing all or part of the process in above-described embodiment method
Computer program is crossed to instruct relevant hardware and complete, program can be stored in computer-readable storage medium, wherein deposit
Storage media can be magnetic disk, CD, random access memory, flash memory, hard disk or solid state hard disk etc., and the storage medium is also
It may include the combination of the memory of mentioned kind.
Finally it should be noted that the above content is merely illustrative of the technical solution of the present invention, rather than the present invention is protected
The limitation of range, the simple modification or equivalent replacement that those skilled in the art carry out technical solution of the present invention,
All without departing from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of object identification method based on touch screen touch point characterized by comprising
The touch information that touch screen issues is received, amounting in touch information has A touch point, and A corresponding with A touch point
The coordinate information of a touch point；
B touch point is chosen from A touch point, wherein A >=3, A >=B, A and B are the integer more than or equal to 3；
The side length information between the B touch point is calculated, total side length information having between C touch point；
Separately encoded, independent side length information one syllabified code of formation, i.e. formation and institute are carried out to the side length information
The corresponding D syllabified code of side length information between C touch point is stated, wherein the quantity of D and C is identical；
The D syllabified code is packaged, code data packet is generated；
The code data, which is wrapped, reaches host computer；
The host computer is decoded code data packet, is decoded into the information that host computer can identify, the information is
The characteristic information of object (TAG) to be identified；
The characteristic information of the object to be identified is compared with a variety of object features information in database and is matched, is matched
Completion then identifies object success.
2. a kind of object identification method based on touch screen touch point according to claim 1, it is characterised in that: it is described from
B touch point is chosen in A touch point, and a figure, as B=3, the endpoint of touch point are constituted by the endpoint of B touch point
Then constitute triangle to be identified.
3. a kind of object identification method based on touch screen touch point according to claim 1, it is characterised in that: the touching
The selection touched a little is carried out by selection module, and the side length between touch point is calculated by computing module, the coding of side length information by
System software built in touch screen is completed, and object to be identified is complete by matching module and a variety of object features information in database
In contrast with match.
4. a kind of object identification method based on touch screen touch point according to claim 1, it is characterised in that: the number
It include the characteristic information of object to be identified according to a variety of object features information in library.
5. a kind of object identification method based on touch screen touch point according to claim 1, it is characterised in that: the touching
Screen is touched mainly using multipoint capacitive screen and Multi-point infrared screen, especially multipoint capacitive screen.
6. a kind of object identification method based on touch screen touch point according to claim 1, it is characterised in that: the generation
It is interacted by the multiple point touching HID protocol of standard and the TAG HID protocol of customization with hardware between code data packet and host computer.
7. a kind of object identification device based on touch screen touch point, it is characterised in that: set including USB host interface module, USB
Standby interface module, object identification processing module and multipoint capacitive screen, USB host interface module, USB device interface module, object
Recognition processing module and multipoint capacitive screen are electrically connected by cable.
8. a kind of object identification device based on touch screen touch point according to claim 7, it is characterised in that: described
USB host interface module is used for and is communicated using the touch screen of USB interface, is completed the configuration of touch screen and is touched point coordinate data
Reading, particular for the hardware communication for the touch screen for following Windows HID standard multidrop descriptor reported data.
9. a kind of object identification device based on touch screen touch point according to claim 7, it is characterised in that: described
USB device interface module, is used for and dataphone, reports touch data and TAG data by HID interface, while optional complete
At the function of bootloader, the parameter setting to TAG matched parameter setting and touch is completed.
10. a kind of object identification device based on touch screen touch point according to claim 7, it is characterised in that: described
Data processing module, for matching and meeting from the original point of touch screen according to preset matching rule and algorithm
The touch point of TAG feature generates the information that reports of TAG, and tracks and identifies scheduling algorithm, and data processing using traditional Multi-point point
Module mainly includes receiving module, chooses module, comprising modules, computing module and matching module.
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| CN201910427567.XA CN110134284A (en) | 2019-05-22 | 2019-05-22 | A kind of object identification method based on touch screen touch point |
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| CN201910427567.XA CN110134284A (en) | 2019-05-22 | 2019-05-22 | A kind of object identification method based on touch screen touch point |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719046A (en) * | 2009-11-30 | 2010-06-02 | 广东威创视讯科技股份有限公司 | Multi-point touch-based image operation interaction system and multi-point touch-based image operation interaction method |
| CN102722335A (en) * | 2012-06-08 | 2012-10-10 | 深圳Tcl新技术有限公司 | Touch equipment-based remote slide input method and device |
| CN107765978A (en) * | 2017-09-26 | 2018-03-06 | 张超 | A kind of method and recognizing apparatus for object top layer marker location information |
| CN108804016A (en) * | 2018-06-29 | 2018-11-13 | 江苏特思达电子科技股份有限公司 | Object identification method based on touch screen, device and electronic equipment |
-
2019
- 2019-05-22 CN CN201910427567.XA patent/CN110134284A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719046A (en) * | 2009-11-30 | 2010-06-02 | 广东威创视讯科技股份有限公司 | Multi-point touch-based image operation interaction system and multi-point touch-based image operation interaction method |
| CN102722335A (en) * | 2012-06-08 | 2012-10-10 | 深圳Tcl新技术有限公司 | Touch equipment-based remote slide input method and device |
| CN107765978A (en) * | 2017-09-26 | 2018-03-06 | 张超 | A kind of method and recognizing apparatus for object top layer marker location information |
| CN108804016A (en) * | 2018-06-29 | 2018-11-13 | 江苏特思达电子科技股份有限公司 | Object identification method based on touch screen, device and electronic equipment |
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