CN204360383U - A kind of bar code recognizing apparatus of high pixel image processing - Google Patents
A kind of bar code recognizing apparatus of high pixel image processing Download PDFInfo
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- CN204360383U CN204360383U CN201420813991.0U CN201420813991U CN204360383U CN 204360383 U CN204360383 U CN 204360383U CN 201420813991 U CN201420813991 U CN 201420813991U CN 204360383 U CN204360383 U CN 204360383U
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Abstract
The utility model relates to a kind of bar code recognizing apparatus of high pixel image processing, comprising: image capture module, decoder module, control module and storage unit; Described image capture module is connected with decoder module communicativeness; Decoder module is connected with control module communicativeness; Described storage unit communicativeness connects described control module; Described image capture module obtains view data, comprises at least one bar code symbol in described view data; View data described in described decoder module process, obtains bar code symbol and decoding bar code sign obtains barcode data; Described cell stores barcode data and view data.This equipment can obtain and store view data, and the multiple bar codes automatically accurately obtained in view data, can by bar code symbol decoder, and the decoded data obtaining bar code symbol stores, this process, not by the restriction of bar code number, reduces the decoding of artificial Multiple-Scan.
Description
Technical field
The present invention relates to bar code image identifying processing field, particularly relate to a kind of bar code recognizing apparatus of high pixel image processing.
Background technology
Along with the development of science and technology, in the daily life that the application of barcode technology has progressively been deep into us and work, Quick Response Code can comprise the encoding schemes such as QR code, DM code, Chinese letter co, after Error Correction of Coding is carried out to information such as character, word, images, the two-dimensional code symbol that the two-dimentional code stream obtained is expressed as, be widely used in the aspects such as certification recognition, logistics and electronic data interchange at present, barcode technology major function of the prior art have acquisition of information, website redirect, false proofly to trace to the source, preferential sales promotion, member management and mobile-phone payment etc.
The principal feature of bar code application prevailing in the market concentrates on black and white, independent bat code, the function of decoding, also namely obtains bar code image by image acquisition equipment, and by image decoding.But in the industry that some are special, need in application as many in bank, insurance, industry and commerce, the tax, education etc. that electronization is carried out to the document of various paper and file, need again the digitized information of paper document.In these special industries, present equipment only possesses the function of being carried out by original image scanning or taking, or only shooting decoding process is carried out to bar code wherein, its major defect is that the data of barcode data process and image electronic information are preserved and carried out step by step, treatment effeciency is low, easily make mistakes, as height claps the image picking-up apparatus such as instrument, scanner, technical characteristics is the scanning, the shooting file function that only possess original image; As bar code scan rifle, it is exactly mainly that taking module adds decoder module, can only meet the needs of bar code scan and decoding, not store original high-definition image; The image picking-up apparatus of other band decoding function, height as part manufacturer is clapped the image picking-up apparatus such as instrument and is also possessed decoding function, but the bar code image obtained mainly is carried out software decode by supporting Software tool by it, decoding quality is usually lower, and decoding software is higher to software running platform dependence.
Along with the high speed development of Internet of Things, some important informations are more and more carried by Quick Response Code, traditional single Quick Response Code can not meet the application demand of some special industry, and the information must expanding Quick Response Code by applying multiple Quick Response Code with figure carries.
China Patent Publication No. CN202632312 U, name is called " system based on acquisition process multiple bar code information while of image recognition technology ".This system comprises industrial computer, display, industrial camera and image recognition display structure, and described industrial computer is provided with Special bar code identification software, and technical scheme disclosed in this patent can once read multiple bar code.But must adopt special bar-code identification software in this system, and this system is suitable for commercial Application, is unfavorable for popularization and the application in common market, its speed of employing software decode, effect all cannot reach the requirement of expection.
China Patent Publication No. CN101853365A, name is called " once gathering the method that multiple bar code realizes rapid data collection ".Openly will stick arranging according to X, Y-axis of the box body rule of bar code in the method, the multiple bar codes read functions distinguishing facility by single line grating or omnidirectional, identifies bar code; By recognition facility, the data message that the bar code recognized represents is processed, completes the collection of data.In the method, only can read for regularly arranged bar code, the bar code on high pixel image processing cannot be read, complete described bar code information being decoded cannot be guaranteed, and easily cause repeatedly repeatedly decoding, increase the redundancy of system.
Utility model content
The purpose of this utility model is to obtain high pixel image processing data, and automatically reads the barcode data information on high pixel image processing, can automatically correctly identify, disposable acquisition barcode data for the bar code on high pixel image processing.
Have employed following technical scheme to solve the problems of the technologies described above the utility model, a kind of bar code recognizing apparatus of high pixel image processing being provided, comprising: image capture module, decoder module, control module and storage unit; Described image capture module is connected with decoder module communicativeness; Decoder module is connected with control module communicativeness; Described storage unit communicativeness connects described control module; Described image capture module obtains view data, comprises at least one bar code symbol in described view data; View data described in described decoder module process, obtains bar code symbol and decoding bar code sign; Bar code symbol and view data described in described cell stores.
Wherein, described image capture module is connected with storage unit standardization of application interface communication with control module, control module with decoder module, decoder module.
Wherein, described standard interface is serial bus interface or parallel bus interface.
Wherein, described image capture module is connected by camera special purpose interface communicativeness with decoder module.
Wherein, described storage unit comprises dynamic storage, flash memory or nonvolatile memory.
Wherein, described image capture module is connected with control module communicativeness; Described control module controls image capture module.
Wherein, described decoder module is special decoding chip.
Wherein, the arrangement mode of described bar code symbol is matrix form, linear formula or random alignment.
Wherein, described image capture module is for comprising: camera, camera or scanner.
The beneficial effects of the utility model are: the bar code recognizing apparatus of the high pixel image processing described in employing can catch the image of any pixel, and store this view data, to realize in this view data of direct access the function of described information, can meet that all trades and professions document files application demand; Described decoder module is by image data processing, and automatic analysis obtains the bar code symbol in view data, and the bar code symbol in view data can all extract by this module, reduces and scans extraction manually, avoid the cumbersome procedure of artificial secondary operation; Described control module controls the work of decoder module, reduces the redundancy of effort of decoder module, improves the work efficiency of system.This equipment accurately obtains multiple bar code automatically, can by all bar code symbol decoders extracted, and the decoded data obtaining bar code symbol stores, this process is not by the restriction of bar code number, thus reduce the decoding of artificial Multiple-Scan, avoid artificial careless omission, guarantee the Overall Acquisition of information.
Accompanying drawing explanation
Figure 1 shows that the structured flowchart of an embodiment of the bar code recognizing apparatus of high pixel image processing of the present utility model;
Label declaration:
Image capture module 200 decoder module 201 control module 202 storage unit 203
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Consult Fig. 1, a kind of bar code recognizing apparatus of high pixel image processing, comprise image capture module 200, decoder module 201, control module 202 and storage unit 203; Described image capture module 200 is connected with decoder module 201 communicativeness; Decoder module 201 is connected with control module 202 communicativeness; Described storage unit 203 communicativeness connects described control module 202; Described image capture module 200 obtains view data, comprises at least one bar code symbol in described view data; Described decoder module 201 processes described view data, obtains bar code symbol and decoding bar code sign; Described storage unit 203 stores described bar code symbol and view data.
In present embodiment, described image capture module 200 catches view data, and view data is directly stored in described storage unit 203, comprises at least one bar code symbol in wherein said view data; One preferred embodiment in, the arrangement mode of at least one described bar code symbol is matrix form, linear formula or random alignment mode arbitrarily, and various different arrangement mode all can not affect the follow-up extraction of bar code symbol and decoding effort.The substrate of described view data carrying 1D or 2D bar code symbol and text string, the mark that a part for document or document or other machines can be distinguished, wherein comprise at least one bar code symbol in view data, described bar code symbol can comprise very large to extra small code 128, Codebar, code 93, code 11, code 39, UPC, ENC, MSI etc., the type of at least one bar code symbol can be combination that is identical or multiple different bar code, concrete barcode types can comprise 2D:PDF417, DataMatrix, QR code, maxicode, the 2D bar code symbols such as Aztec, 1D:EAN-13 (can extra-code be with), EAN-8 (can extra-code be with), UPC-A (can extra-code be with), UPC-E (can extra-code be with), ISSN, ISBN, Codebar, Code 128 (comprises FNC1, FNC2, FNC3 subset), Code 93, ITF-6, ITF-14, Interleaved 2of 5, Industrial 2of 5, Standard 2of 5, Matrix 2of 5, GS1Databar (RSS-Expand, RSS-Limited, RSS-14), Code 39 (comprising Code 39FULL ASCI I), Code 11, MSI-Plessey, Plessey etc.The equipment that the seizure that image capture module 200 carries out view data can adopt scanning, picture shooting etc. to possess camera module carries out, any image-capturing apparatus can be adopted to carry out continuity or uncontinuity seizure image, described continuous also referred to as continuous sweep pattern, continuous flow type transmission mode, streaming transmission mode, leap scan pattern, rapidly scan pattern or presentation modes, continuity catches view data, thus increases work efficiency.Image capture module 200 can be such as existing mobile device: hand-held scanner, portable data terminals, personal digital assistant PDA, mobile phone, can also be the equipment such as height bat instrument, camera, the scanner of the onsite application such as existing hospital, warehouse, freight house, this equipment can catch the image of each pixel, has wide range of applications.In addition, the equipment for image acquisition also possesses imaging steering logic such as focusing control, light filling control, spectrum assignment etc., and have the data-interface that efficient data bus and transmission collect, abundant control interface can meet the application demand of different field simultaneously.Catch after view data and described view data stored, existing enterprise can be met, demand that public institution files for paper document, the storage unit 203 that the storage of view data can adopt image capture device to carry or high in the clouds storage.
Described image capture module 200 can also adopt camera module, camera, scanner, optical scanner etc., described image capture module 200 can adopt combination that is multiple, multiple hardwares equipment, and the assemblys of one or at least two formation can be adopted to be connected with described decoder module 201.Preferably, image capture module 200 can be 1D image sensor module or the 2D image sensor modules such as many pixel image sensors assembly, CCD or CMOS.Image sensor module can comprise imageing sensor, and imageing sensor comprises many pixel image sensors array, and this many pixel image sensors array has pixel, column circuits and the row circuit etc. that arrange with pixel column and pixel column.What be connected with imageing sensor can also be amplifier circuit and analog-digital converter, and the image information that simulating signal can be converted to digital signal form by analog-digital converter carries out data processing for described decoder module 201.
Described image capture module 200 can also possess the functions such as imaging control such as focusing control, light filling control, spectrum assignment.One preferred embodiment in, described image capture module 200 is connected with control module 202 communicativeness, and described control module 202 controls image capture module 200.In the present embodiment, described control module 202 does not possess the function of data processing, only for realizing the object controlled.Control module 202 controls described image capture module 200 and carries out picture catching, focusing, light filling, exposure etc., thus makes image capture module 200 can obtain high-quality view data.The mode that control module 202 can adopt bus to connect with the connection of described image capture module 200, also can use other modes to connect.
Described decoder module 201 processes described view data, obtains bar code symbol and decoding bar code sign.Image capture module 200 transfers to decoder module 201 and carries out data processing after obtaining view data.Preferably, described decoder module 201 can adopt special decoding chip, as decoding chip can adopt IOTC0370, IOTC0390, described decoder module possesses the bar code processing function of superpower large high pixel image processing, possesses decoding, the function such as bar code identifies automatically, Bar code positioning.In present embodiment, can determine whether carry out gradation of image process by the mode of artificial interpretation, if the view data gathered is black white image data, then pass through manual control, described control module 202 sends instruction and controls decoder module 201 and extract bar code symbol in view data, if the view data gathered is color image data, then control decoder module 201 and carry out gradation of image process, view data is become gray level image, and the position of positioning strip code sign, extract the bar code symbol in view data.In addition, also can not by the mode process said process of artificial interpretation, described decoder module 201 can carry out the color detection of view data automatically, and communicates with control module 202, determines whether the gray proces carrying out view data.Concrete steps are as follows: the gray-scale value analyzing described view data, if described gray-scale value is between 0-255, then adopt special image processing techniques that described view data is carried out gray proces.The gray-scale value of such as extracted view data is 50,80 or 200, automatically carries out gray proces to each image by Operation system setting, and directly automatically extracts the bar code symbol in view data.Extracted bar code symbol is stored the purposes in order to bar code decoding.The mode that the extraction of decoder module 201 pairs of bar code symbols can be extracted one by one also can carry out the extraction of multiple bar code the same time.
Control module 202 controls described decoder module 201 by extracted bar code symbol decoder, is stored in storage unit 203 by the barcode data after bar code symbol decoder.By described bar code symbol decoder, directly obtain the decoded data that bar code symbol carries, described decoded data can be the data such as Microsoft Excel, WORD text, coloured image, photo, text image, data, website links.If bank clerk is by obtaining decoded data by bar code symbol decoder, application decoder data can realize directly obtaining high definition, can the object of editing data, and need not to make by spended time again for data such as electrical forms, greatly to save the working time.In present embodiment, described decoder module 201 also possess obtain extract the function of the anchor point information of bar code symbol, described anchor point information is carried out permutation and combination and forms at least one permutation and combination body, judge whether described permutation and combination body meets the structure of setting, if so, then to decode the bar code symbol that extracts; If not, then all locating information are restarted permutation and combination by decoder module 201.Concrete, described anchor point information can be the bar code characteristic informations such as buphthalmos, starting character, full stop, if the image caught only exists a bar code symbol, then only form a permutation and combination body, if described image exists plural bar code symbol, then can form multiple permutation and combination body, the number of bar code is identical with the number of permutation and combination, as being extracted A, B, C tri-QR codes, the buphthalmos of QR code A is respectively A
1, A
2, A
3, the buphthalmos of QR code B is respectively B
1, B
2, B
3, the buphthalmos of QR code c is respectively C
1, C
2, C
3, the correct buphthalmos of three QR code formation is combined as A
1-A
2-A
3, B
1-B
2-B
3, C
1-C
2-C
3if the buphthalmos combination carrying out permutation and combination formation is correct, then the structure of all buphthalmos assemblys formed is " L " shape, i.e. A
1-A
2-A
3define first " L " shape structure, B
1-B
2-B
3define second " L " shape structure, C
1-C
2-C
3define the 3rd " L " shape structure.All buphthalmos combinations all meet the structure of setting, then judge that the combination of this buphthalmos correctly can carry out the decoding of bar code symbol.If described buphthalmos is combined as A
1-B
2-B
3, C
1-A
2-A
3, C
1-B
2-C
3, then cannot be combined to form " L " type structure of setting, be not correct buphthalmos combination, then return and re-start permutation and combination until the buphthalmos combination formed can meet the structure of setting.In the present embodiment, be described for described QR code, the bar code symbol of different bar code characteristic information is possessed for DM code, CODE39 etc., the structure of described setting is not limited to " L " shape, set different structures according to different bar code symbols, thus meet the demand of practical application.
In present embodiment, described decoder module 201 carries out the decoding of bar code symbol, and its decoding order can adopt the mode of parallel decoding, successively decoding or random decoding.If image data extraction A, B, C tri-barcode datas, then A, B, C tri-barcode datas can be adopted according to the correct permutation and combination formed to carry out the mode of parallel decoding when decoding simultaneously, obtain decoded data fast; Or according to the sequencing that bar code symbol extracts, first A is decoded, then B is decoded, finally C is decoded; Or adopt random mode, according to the decoding carrying out three bar codes that the situation of system cloud gray model is random, decoding order as three barcode datas is A, B, C or B, C, A or C, A, B etc., in addition, also not decoded the decoding carrying out B or C that Shi Yike walks abreast at A, any decoding may order all be included in of the present invention can within practical range.In addition, described bar code symbol is by obtaining the characteristic information of each bar code symbol, the bar code symbol after having decoded is destroyed according to described characteristic information, wherein said characteristic information can comprise the locating information, starting character, full stop, central seperating character, marginal information etc. of each bar code symbol, after obtaining the above-mentioned characteristic information of bar code, carry out after each bar code decoding completes destroying and realize can not distinguishing of bar code, identify each bar code symbol accurately by the characteristic information of each bar code symbol.The described destruction that can not distinguish can adopt the technology of image wipe in the image of a tonal range 0-255, the erasing of described image refers to and the gray-scale value of certain appointed area is set to full 0 or complete 255, becoming entirely black or entirely white pattern by bar code symbol makes bar code symbol to distinguish again, and described destruction only can destroy part or all of bar code symbol.Line can also be adopted to destroy the mode of bar code, described bar code is carried out line and destroy its locating information, starting character or full stop etc., make it distinguish again.The destructiveness process of described bar code symbol comprises above-mentioned two kinds of embodiments but is not limited to above-mentioned two kinds of modes and realizes.By by the process of bar code symbol destructiveness, avoid the defect being repeated by barcode data to distinguish, reduce system redundancy work, prevent from repeatedly accessing repeating data, reduce the work such as the follow-up Data selection arrangement of staff.To be slipped decoding to prevent bar code symbol, adopt in the bar code symbol extracted described in cycle detection and whether there is decodable bar code symbol, can not distinguish again because decoded bar code symbol all have employed destructive process, if not decoded symbol still exists, then above for employing identical mode is decoded again, thus obtain decoded data and preserve.Adopt above-mentioned scheme, can ensure that all bar code symbols are all decoded, all barcode datas not by the acquisition repeated, and can ensure to obtain complete barcode data, ensure that the integrality of information, colleges and universities' property of obtaining information.The application demand of social efficiency operation now can be met.
One preferred embodiment in, described image capture module 200 is connected with storage unit 203 standardization of application communication interface with control module 202, control module 202 with decoder module 201, decoder module 201.Described Standardization Communication interface can adopt the general-purpose interfaces such as USB interface, bus interface, MIPI interface, adopts Standardization Communication interface to make different modules more general, and the connection between modules is used not by the restriction of type.
One preferred embodiment in, described image capture module 200 adopts serial bus interface or parallel bus interface with control module 202, control module 202 with the connection of storage unit 203 with decoder module 201, decoder module 201.Preferably, communicativeness between decoder module 201 with image capture module 200 is connected can adopt camera special purpose interface, the view data adopting this interface that image capture module is caught directly can be sent to decoder module, participate in without the need to master controller, direct acquisition view data, control module 202 can adopt peripheral bus interface with the connection of decoder module 201, and control module 202 can adopt bus interface with the connection of storage unit 203.
One preferred embodiment in, the storage unit 203 of the bar code recognizing apparatus of described high pixel image processing is for memory stick code data and view data, and it can adopt dynamic storage SDRAM, non-volatile memory cells 203NOR Flash or flash memory etc.Described storage unit 203 can adopt the memory block be combined into of polytype storer, and several storer can use simultaneously together.With reference to accompanying drawing 1, described storer comprises dynamic storage SDRAM, this dynamic storage is connected with control module 202 communicativeness by rambus, described dynamic storage SDRAM is used for storing decoding chip by the decoded data after bar code symbol decoder, and view data is also stored in this dynamic storage by the control of control module by it; Also comprise non-volatile memory cells 203NOR Flash, this non-volatile memory cells 203 is connected with control module 202 by peripheral bus, described non-volatile memory cells is used for the control command of storage control unit and configuration order.
One preferred embodiment in, described control module 202 can according to the specific event of specific command triggers, required state of a control can be chosen by the control of external command, as the decoder module 201 as described in controlling carries out the operations such as decoding, control decoder module 201 by decode data transmissions to storage unit 203.In present embodiment, described control module 202 does not possess calculation function, only triggers the corresponding time according to certain condition.Concrete, state machine can be adopted to realize, or adopting S3C2451 to realize, S3C2451 is a MCU based on ARM926EJ core, and it is based on 65nm technique, low-power consumption, simply, graceful and full Static Design is particularly suitable for the application of cost and sensitive power consumption, comprises abundant Peripheral Interface in it, such as USB, camera, NAND flash, UART etc., effectively can reduce the cost of integral product.
The bar code recognizing apparatus of the high pixel image processing described in employing can catch the image of any pixel, and stores this view data, to realize in this view data of direct access the function of described information, can meet that all trades and professions document files application demand; Described decoder module is by image data processing, and automatic analysis obtains the bar code symbol in view data, and the bar code symbol in view data can all extract by this module, reduces and scans extraction manually, avoid the cumbersome procedure of artificial secondary operation; Described control module controls the work of decoder module, reduces the redundancy of effort of decoder module, improves the work efficiency of system.This equipment accurately obtains multiple bar code automatically, can by all bar code symbol decoders extracted, and the decoded data obtaining bar code symbol stores, this process is not by the restriction of bar code number, thus reduce the decoding of artificial Multiple-Scan, avoid artificial careless omission, guarantee the Overall Acquisition of information.
The embodiment of the utility model first-aid dressing is only described in upper; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a bar code recognizing apparatus for high pixel image processing, is characterized in that, comprising: image capture module, decoder module, control module and storage unit;
Described image capture module is connected with decoder module communicativeness; Decoder module is connected with control module communicativeness; Described storage unit communicativeness connects described control module;
Described image capture module obtains view data, comprises at least one bar code symbol in described view data;
View data described in described decoder module process, obtains bar code symbol and decoding bar code sign obtains barcode data;
Described cell stores barcode data and view data.
2. the bar code recognizing apparatus of high pixel image processing according to claim 1, is characterized in that:
Described image capture module is connected with storage unit standardization of application interface communication with control module, control module with decoder module, decoder module.
3. the bar code recognizing apparatus of high pixel image processing according to claim 2, is characterized in that: described standard interface is serial bus interface or parallel bus interface.
4. the bar code recognizing apparatus of high pixel image processing according to claim 2, is characterized in that:
Described image capture module is connected by camera special purpose interface communicativeness with decoder module.
5. the bar code recognizing apparatus of the high pixel image processing according to claim 3 or 4, is characterized in that: described storage unit comprises dynamic storage, flash memory or nonvolatile memory.
6. the bar code recognizing apparatus of high pixel image processing according to claim 1, is characterized in that: described image capture module is connected with control module communicativeness; Described control module controls image capture module.
7. the bar code recognizing apparatus of high pixel image processing according to claim 1, is characterized in that: described decoder module is special decoding chip.
8. the bar code recognizing apparatus of high pixel image processing according to claim 1, is characterized in that: the arrangement mode of described bar code symbol is matrix form, linear formula or random alignment.
9. the bar code recognizing apparatus of high pixel image processing according to claim 1, is characterized in that: described image capture module is for comprising: camera, camera or scanner.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108256933A (en) * | 2018-01-15 | 2018-07-06 | 合肥盈云信息科技有限公司 | Quickly folk prescription method is opened based on what is taken pictures |
| CN109388985A (en) * | 2017-08-10 | 2019-02-26 | 广州三码物联科技有限公司 | A kind of bimodulus two-dimensional code scanning device |
| CN109416780A (en) * | 2016-07-29 | 2019-03-01 | 惠普发展公司，有限责任合伙企业 | The calculating equipment of workflow authorization authenticates |
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2014
- 2014-12-19 CN CN201420813991.0U patent/CN204360383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109416780A (en) * | 2016-07-29 | 2019-03-01 | 惠普发展公司，有限责任合伙企业 | The calculating equipment of workflow authorization authenticates |
| CN109388985A (en) * | 2017-08-10 | 2019-02-26 | 广州三码物联科技有限公司 | A kind of bimodulus two-dimensional code scanning device |
| CN108256933A (en) * | 2018-01-15 | 2018-07-06 | 合肥盈云信息科技有限公司 | Quickly folk prescription method is opened based on what is taken pictures |
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Address after: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee after: New Continent Digital Technology Co., Ltd. Address before: 350000 No. 1 Rujiangxi Road, Mawei District, Fuzhou City, Fujian Province Patentee before: Fujian Newland Computer Co., Ltd. |