CN105512597A - Dot matrix identification method - Google Patents
Dot matrix identification method Download PDFInfo
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- CN105512597A CN105512597A CN201511022810.8A CN201511022810A CN105512597A CN 105512597 A CN105512597 A CN 105512597A CN 201511022810 A CN201511022810 A CN 201511022810A CN 105512597 A CN105512597 A CN 105512597A
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- dot matrix
- interface
- recognition device
- code
- terminal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
Abstract
The embodiment of the invention relates to a dot matrix identification method comprising steps that an identification device establishes connection with a terminal by means of a unique ID code; when detecting a pressure signal, the identification device determines whether a pressure value is greater than a preset first threshold value, if yes, acquires dot matrix image data of a dot matrix area passed by the identification device within the duration of the current pressure value, and generates and sends a data packet to the terminal; the terminal extracts the ID code of the header of the data packet, determines whether the ID code is valid, and if yes, analyzes the data packet to obtain the image data; and the terminal identifies the image data to obtain the identification information of the dot matrix area passed by the identification device. The dot matrix identification method is easy to use and high in identification accuracy.
Description
Technical field
The present invention relates to automatic identification technology field, particularly relate to a kind of dot matrix recognition methods.
Background technology
Automatic identification technology applies certain recognition device, by being identified the close activity between article and recognition device, automatically obtain and be identified the relevant information of article, and the computer processing system being supplied to backstage is to complete a kind of technology of relevant subsequent process.
The bar code scanning system in market is exactly a kind of typical automatic identification technology.Shop-assistant, by the bar code of scanner scanning commodity, obtains title, the price of commodity, and input quantity, backstage POS system can calculate the price of this batch of commodity, thus completes the clearing of client.
Recognition methods of the prior art is identified by scanning bar code, is easily disturbed, and accuracy of identification is low, often occurs the situation of not sweeping code.
Summary of the invention
The object of this invention is to provide a kind of dot matrix recognition methods, be easily disturbed to solve recognition methods of the prior art, the problem that accuracy of identification is low.
For achieving the above object, the invention provides a kind of dot matrix recognition methods, described method comprises:
Recognition device is associated with terminal by unique ID code;
When pressure signal being detected, judging whether described force value is greater than default first threshold, if so, then gathering the dot matrix image data in the dot matrix region that described recognition device moves across in the current pressure values duration, generate Packet Generation to terminal;
Described terminal extracts the ID code of described packet header, judges that whether described ID code is legal, if so, then resolves described packet, obtain view data;
Described view data is carried out identifying processing, obtain described recognition device the identifying information in dot matrix region of process.
Further, described recognition device to be associated with terminal by unique ID code and specifically to comprise:
Described recognition device sends login request message to described terminal, and described login request message comprises unique ID code;
Receive the response message that described terminal returns.
Further, the dot matrix image data in the dot matrix region that described recognition device moves across in described collection current pressure values duration section, generate Packet Generation and specifically comprise to terminal:
Current pressure values is greater than in the duration section of described first threshold, and described recognition device is by the dot matrix image data in the dot matrix region of built-in camera collection process, and the processor sending to described recognition device built-in;
After described dot matrix image data are converted to digital signal by described processor, after adding timestamp, generate packet;
After the packet header of described packet being added the ID code of described recognition device, send to described terminal by data-interface.
Further, described data-interface is specially wired data interface or wireless data interface; Described wired data interface is specially USB interface, MiniUSB interface, MicroUSB interface, parallel port, serial ports; Described wireless data interface is specially blue tooth interface, infrared interface, Wifi interface, 2.4-5.0GHz wave band interface or wireless communication interface.
Further, described method also comprises:
Described terminal extracts the ID code of described packet header, judges that whether described ID code is legal, if not, then points out warning message.
Further, described described view data is carried out identifying processing, obtain described recognition device the identifying information in dot matrix region of process specifically comprise:
Described view data is carried out identifying processing, obtains the movement locus of described recognition device motion according to time series;
Display device is utilized to show described movement locus.
Further, described described view data is carried out identifying processing, obtain described recognition device the identifying information in dot matrix region of process specifically comprise:
Described view data is identified as function information;
Corresponding function event is performed according to described function information.
Further, described dot matrix region specifically comprises:
The electronic display of the writing paper with dot pattern, the blank with dot pattern, display dot pattern.
The dot matrix recognition methods that the embodiment of the present application provides, gathers dot matrix image data by recognition device, sends to terminal, obtain identifying information after terminal processes, and method realizes simple, and without interruption, accuracy of identification is high.
Accompanying drawing explanation
The process flow diagram of the dot matrix recognition methods that Fig. 1 provides for the embodiment of the present invention;
The schematic diagram in the dot matrix region that Fig. 2 provides for the embodiment of the present invention;
The schematic diagram of the dot matrix coding that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Terminal in the present invention comprises the terminal device that mobile phone, panel computer, notebook computer, desktop computer etc. have processing power.Recognition device is the dot matrix digital pen with dot matrix recognition function, is built-in with pressure transducer, processor, camera, storer and communication module etc.
The process flow diagram of the dot matrix recognition methods that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the dot matrix recognition methods of the embodiment of the present invention comprises:
Step 101, recognition device is associated with terminal by unique ID code.
Particularly, recognition device sends login request message to terminal, and login request message comprises unique ID code, after terminal receives request message, is registered by the ID code that recognition device sends, sends response message after succeeding in registration.
Wherein, the sequence number etc. that ID code is specially recognition device uniquely can confirm the information of recognition device.
Step 102, when pressure signal being detected, judge whether described force value is greater than default first threshold, if, then gather the dot matrix image data in the dot matrix region that described recognition device moves across in the current pressure values duration, generate Packet Generation to terminal.
Particularly, when recognition device moves on the carrier of unlike material with dot pattern, such as paper, blank, electronic display etc., preset different threshold values, current pressure values is greater than default threshold value for the moment, in the duration section of current pressure values, recognition device is by the dot matrix image data in the dot matrix region of built-in camera collection process, and the processor sending to recognition device built-in; After dot matrix image data are converted to digital signal by processor, after adding timestamp, generate packet; After the packet header of packet being added the ID code of recognition device, send to terminal by data-interface.
Wherein, dot matrix region is made up of several points, according to the regularly arranged composition of particular algorithm, as shown in Figure 2.Such as, every 36 points, permutation and combination becomes a dot matrix.Mean distance between 2 is 0.3mm.The size of each dot matrix is 1.8mm × 1.8mm.Dot matrix, by special coded system, represents special co-ordinate position information.After each coding in dot matrix, obtain dot matrix coded sequence, as shown in Figure 3.Camera is high-speed camera head, can with the speed of 100 per second to harvester the dot matrix of process take pictures.
Data-interface is wired data interface or wireless data interface; Wired data interface is specially USB interface, MiniUSB interface, MicroUSB interface, parallel port, serial ports; Wireless data interface is specially blue tooth interface, infrared interface, Wifi interface, 2.4-5.0GHz wave band interface or wireless communication interface.
Step 103, described terminal extracts the ID code of described packet header, judges that whether described ID code is legal, if so, then resolves described packet, obtain view data.
Particularly, after terminal receives the data of recognition device transmission, extract the ID code of packet header, and whether the ID code of verification msg handbag head is legal, or whether be registered ID code, if legal or registered, then packet is resolved, the ID code obtaining dot matrix image data, gather the temporal information of dot matrix image, gather the page of dot matrix image data; If ID code is illegal, or without registration, then point out warning message.
Step 104, carries out identifying processing by described view data, obtain described recognition device the identifying information in dot matrix region of process.
Particularly, view data is carried out identifying processing, obtain coordinate or the coding of the dot matrix that recognition device moves across according to time series, thus obtain movement locus, utilize display device to show movement locus.
In addition, can arrange feature capability icon in dot matrix region, function comprises: record/continue, suspend, preserve, all erasings, person's handwriting-thin, person's handwriting-in, person's handwriting-thick, self-defined person's handwriting color, page up, lower one page etc.
When the view data corresponding function icon that recognition device collects, view data is identified as function information, terminal performs corresponding function event according to function information.
The dot matrix recognition methods that the embodiment of the present application provides, gathers dot matrix image data by recognition device, sends to terminal, obtain identifying information after terminal processes, and method realizes simple, and without interruption, accuracy of identification is high.
Professional should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a dot matrix recognition methods, is characterized in that, described method comprises:
Recognition device is associated with terminal by unique ID code;
When pressure signal being detected, judging whether described force value is greater than default first threshold, if so, then gathering the dot matrix image data in the dot matrix region that described recognition device moves across in the current pressure values duration, generate Packet Generation to terminal;
Described terminal extracts the ID code of described packet header, judges that whether described ID code is legal, if so, then resolves described packet, obtain view data;
Described view data is carried out identifying processing, obtain described recognition device the identifying information in dot matrix region of process.
2. dot matrix recognition methods according to claim 1, is characterized in that, described recognition device to be associated with terminal by unique ID code and specifically to comprise:
Described recognition device sends login request message to described terminal, and described login request message comprises unique ID code;
Receive the response message that described terminal returns.
3. dot matrix recognition methods according to claim 1, is characterized in that, the dot matrix image data in the dot matrix region that described recognition device moves across in described collection current pressure values duration section, generates Packet Generation and specifically comprises to terminal:
Current pressure values is greater than in the duration section of described first threshold, and described recognition device is by the dot matrix image data in the dot matrix region of built-in camera collection process, and the processor sending to described recognition device built-in;
After described dot matrix image data are converted to digital signal by described processor, after adding timestamp, generate packet;
After the packet header of described packet being added the ID code of described recognition device, send to described terminal by data-interface.
4. dot matrix recognition methods according to claim 3, is characterized in that, described data-interface is specially wired data interface or wireless data interface; Described wired data interface is specially USB interface, MiniUSB interface, MicroUSB interface, parallel port, serial ports; Described wireless data interface is specially blue tooth interface, infrared interface, Wifi interface, 2.4-5.0GHz wave band interface or wireless communication interface.
5. dot matrix recognition methods according to claim 1, is characterized in that, described method also comprises:
Described terminal extracts the ID code of described packet header, judges that whether described ID code is legal, if not, then points out warning message.
6. dot matrix recognition methods according to claim 1, is characterized in that, described described view data is carried out identifying processing, obtain described recognition device the identifying information in dot matrix region of process specifically comprise:
Described view data is carried out identifying processing, obtains the movement locus of described recognition device motion according to time series;
Display device is utilized to show described movement locus.
7. dot matrix recognition methods according to claim 1, is characterized in that, described described view data is carried out identifying processing, obtain described recognition device the identifying information in dot matrix region of process specifically comprise:
Described view data is identified as function information;
Corresponding function event is performed according to described function information.
8. dot matrix recognition methods according to claim 1, is characterized in that, described dot matrix region specifically comprises:
The electronic display of the writing paper with dot pattern, the blank with dot pattern, display dot pattern.
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| CN201511022810.8A CN105512597A (en) | 2015-12-31 | 2015-12-31 | Dot matrix identification method |
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| CN201511022810.8A CN105512597A (en) | 2015-12-31 | 2015-12-31 | Dot matrix identification method |
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Cited By (5)
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| CN108667787A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | A kind of data transmission method |
| CN108664152A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | digital pen |
| CN108664965A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | The generation method and generating means of position encoded information |
| CN108667788A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | Data flow control method and device |
| CN108664202A (en) * | 2017-04-02 | 2018-10-16 | 田雪松 | A kind of record generation method, medium and input equipment |
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Effective date of registration: 20180604 Address after: 100029 Beijing Chaoyang District Beichen West Road 69, Junfeng Huating D block 1012 Applicant after: Beijing Chi Lu Management Consulting Co., Ltd. Address before: 100098 Haidian District, Beijing, North Third Ring Road 18, 2, building 803-3. Applicant before: Tian Xuesong |
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