WO2005043454A1 - Procede de transmission de code bidimensionnel, systeme et terminal mobile - Google Patents

Procede de transmission de code bidimensionnel, systeme et terminal mobile Download PDF

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Publication number
WO2005043454A1
WO2005043454A1 PCT/JP2004/013423 JP2004013423W WO2005043454A1 WO 2005043454 A1 WO2005043454 A1 WO 2005043454A1 JP 2004013423 W JP2004013423 W JP 2004013423W WO 2005043454 A1 WO2005043454 A1 WO 2005043454A1
Authority
WO
WIPO (PCT)
Prior art keywords
dimensional code
character string
value
code
portable terminal
Prior art date
Application number
PCT/JP2004/013423
Other languages
English (en)
Japanese (ja)
Inventor
Yusaku Morishita
Hirotaka Shimohara
Original Assignee
Nec Mobiling, Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Mobiling, Ltd. filed Critical Nec Mobiling, Ltd.
Priority to JP2005515094A priority Critical patent/JP4063845B2/ja
Publication of WO2005043454A1 publication Critical patent/WO2005043454A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • 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
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/1095—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices the scanner comprising adaptations for scanning a record carrier that is displayed on a display-screen or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0065—Converting image data to a format usable by the connected apparatus or vice versa
    • H04N2201/0067—Converting to still picture data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
    • H04N2201/0065—Converting image data to a format usable by the connected apparatus or vice versa
    • H04N2201/0068—Converting from still picture data

Definitions

  • the present invention relates to a two-dimensional code transmission method and system for displaying a two-dimensional code on a screen by a display unit of the portable terminal such as a portable telephone by communication, and such a transmission method
  • the present invention relates to a portable terminal used for the purpose.
  • (one-dimensional) barcodes such as JAN code, ITF, and UCCZEAN 128 have been widely used in order to attach product code numbers and the like to products in machine-readable form.
  • the barcode a large number of at least two types of bars with different thicknesses are arranged in one dimension, and the difference in light reflection between the tint block and the bar in the barcode is optically scanned by the barcode reader. By detecting the bar code, it is possible to obtain a digit string or a string corresponding to the barcode.
  • ordinary barcodes can not represent so much information because they represent information based only on the arrangement of bars in one dimension.
  • the dimension code has come to draw attention. According to the two-dimensional code, in terms of area efficiency, it is possible to store an amount of information of several tens times power several hundred times that of a one-dimensional barcode.
  • the user uses a mobile phone to access the server of the company that provides the service, downloads the coupon image data from the Sano to the mobile phone, and downloads it at the store trying to use the coupon. Display the coupon on the display of the mobile phone. Then, the bar code reader of the shop (or an optical reader for a two-dimensional code) causes the coupon, which is a two-dimensional code, to be read and interlocked with a POS (point of sales) register. You can receive a discount when purchasing a product.
  • POS point of sales
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2003-248774
  • a two-dimensional code is generated at the server of the company issuing the coupon, and the user passes through the Internet. Then, the server is accessed and the image data of the two-dimensional code is downloaded from the server to its own mobile phone.
  • the image file downloaded to the mobile phone as a two-dimensional code has a certain data size.
  • charging is performed according to the amount of received data, and each time a two-dimensional code image file is downloaded, a certain amount of data is received. A burden arises.
  • the input algorithm and the code algorithm for generating the corresponding two-dimensional code are known, it is also considered to generate a two-dimensional code on the mobile phone side using the code algorithm.
  • the code-wise algorithm of two-dimensional code generation it is also possible to generate input data into dot groups so that the reader can read properly.
  • Calculation of error correction code such as cyclic redundancy code (CRC), etc., and executing such a code algorithm as an application program to be executed on a mobile phone is a point of calculation amount and program size.
  • CRC cyclic redundancy code
  • An object of the present invention is to reduce the amount of data to be transmitted without requiring excessive processing on the portable terminal when transmitting a two-dimensional code to a portable terminal such as a portable telephone.
  • the two-dimensional code transmission method of the present invention is a two-dimensional code transmission method for transmitting a two-dimensional code from a server to a portable terminal via a network, and in the server, character string data is calculated by two-dimensional code operation. , Transmitting the character string data from the server to the portable terminal, and converting the character string data into a two-dimensional code by inverse operation of the operation in the portable terminal.
  • the two-dimensional code transmission system of the present invention includes a server that transmits a two-dimensional code via a network, and the server generates two-dimensional code from information source data; And string generation operation means for generating string data from the dimensional code by an operation.
  • the portable terminal of the present invention displays a character string reverse operation means for restoring received character string data to a two-dimensional code by reverse operation, a display means, and the two-dimensional code restored on the display means.
  • display processing means for restoring received character string data to a two-dimensional code by reverse operation, a display means, and the two-dimensional code restored on the display means.
  • the image data of the two-dimensional code is converted into character string data by calculation, and the character string data is transmitted.
  • the original image data is restored to a two-dimensional code by performing the reverse operation of the operation on the server side. 2D code restored, mobile end It can be displayed on the last display unit and read by a two-dimensional code reader.
  • the amount of transmission data can be significantly reduced compared to the conventional transmission of image data. Therefore, if the user who receives data uses an Internet-connected portable terminal that is charged according to the amount of data to be received, the charge can be reduced. Even on the side of distributing the two-dimensional code, the load on the server is reduced.
  • FIG. 1 is a block diagram showing a configuration of a two-dimensional code transmission system according to an embodiment of the present invention.
  • FIG. 2A is a flowchart explaining processing on the server side in the system of FIG.
  • FIG. 2B is a flowchart for explaining the processing on the portable terminal side in the system of FIG.
  • FIG. 3 is a diagram showing an example of a two-dimensional code.
  • FIG. 4A is a flowchart showing a process of generating two-dimensional code power character string data.
  • FIG. 4B is a diagram showing a transmission template.
  • Fig. 5 is a flowchart showing the process of restoring character string data to a two-dimensional code.
  • a two-dimensional code transmission system is a server on the enterprise side that issues a two-dimensional code such as a coupon, and a mobile phone such as a portable telephone to which the two-dimensional code is distributed. It is composed of a terminal 8 and the like.
  • the server and the portable terminal 8 are connected via the Internet 6 and a cellular phone network 7.
  • the Internet 6 includes a general network including a public line and a dedicated line, and the Internet 6 and the mobile telephone network 7 are mutually connected via a gateway (not shown).
  • Mobile terminal 8 can now connect to the Internet 6!
  • the character string data is also composed of a total of 17 kinds of character strengths, which are numbers from 0 to 9, ",” (comma), and letters from A to F.
  • an information source database 1 storing coupon data and the like, and input data are converted into a two-dimensional code, and the two-dimensional code is further converted into character string data for transmission 2
  • a dimensional code processing server 2 and a web server 5 connected to the Internet 6 to receive web access from the portable terminal 8 are provided.
  • the two-dimensional code server 2 functions as a back end server of the web server 5 and generates two-dimensional code corresponding to the input data using the data acquired from the information source database 1 as the input data
  • a section 3 and a character string generation operation section 4 for converting the generated two-dimensional code into character string data according to a procedure described later are provided.
  • a portable terminal 8 has a wireless signal receiving unit 9 for receiving a wireless signal from the portable telephone network 7 and a signal that demodulates the received wireless signal to a baseband and the computer program in the portable terminal 8 can be analyzed.
  • a character string reverse operation unit 11 for restoring the character string data downloaded from the web server 5 input via the baseband processing unit 10 into the original two-dimensional code
  • a liquid crystal display panel And a two-dimensional code image display processing unit 12 that causes the display unit 13 to display the restored two-dimensional code.
  • the portable terminal 8 is also provided with a keypad for inputting a telephone number and an address on the Internet.
  • QR codes Maxi codes (Maxi Codes), data matrices (DataMatrix), etc.
  • two-dimensional codes are used. It is assumed that a QR code is used.
  • the QR code is defined in Japanese Standard Standard (JIS) X 0510 and ISO ZIEC 18004 which is an ISO standard equivalent to this.
  • JIS Japanese Standard Standard
  • ISO ZIEC 18004 ISO ZIEC 18004 which is an ISO standard equivalent to this.
  • the present invention is preferably applicable even when using a two-dimensional code other than the QR code.
  • the two-dimensional code processing server 2 receives information such as coupons stored in the information source database 1 as input data, and in step 201, the two-dimensional code generation unit 3 converts the input data into a two-dimensional code. Convert to a certain QR code. Thereafter, in step 202, the character string generation operation unit 4 of the two-dimensional code processing server 2 converts the generated QR code into character string data.
  • the two-dimensional code regards the dot sequence as a bit string for each row, regards the bit string as a character code for each appropriate number of bits, and the corresponding character By selecting and combining the characters so selected, string data is generated. Thereafter, information such as coupons converted into character string data is stored in the web server 5.
  • step 203 If web access from portable terminal 8 is accepted by web server 5 via cellular phone network 7 and the Internet 6 and there is a download request from portable terminal 8 in step 203, web server 5 receives In step 204, string data corresponding to the requested information is transmitted to the portable terminal 8. This string data arrives at the portable terminal 8 via the Internet 6 and the cellular phone network 7.
  • the portable terminal 8 When the portable terminal 8 issues a download request to the web server 5 in step 205 and receives the transmission OK from the web server 5 in step 206, the portable terminal 8 receives the OK via the internet 6 and the cellular phone network 7 in step 207.
  • Receive character string data In the mobile phone network 7, an information signal such as character string data is once transmitted as a radio signal for the mobile phone, but when it is received by the mobile terminal 8, the wireless signal receiving unit 9 and An information signal that can be processed in the portable terminal 8, ie, character string data, is demodulated via the baseband processing unit 10.
  • the received character string data is restored from the character string data to the QR code in the character string reverse operation unit 11 in step 208.
  • the restored QR code is displayed on the display unit 13 by the two-dimensional code image display processing unit 12.
  • the QR code is a square two-dimensional code formed by arranging the same number of dots in the vertical and horizontal directions as small square areas, and each dot has a binary color (for example, black and blank (white)). The information is stored by appending The dot is also called a cell.
  • the version of the QR code is determined by how many dots each side is configured. The smallest QR code is 21 dots x 21 dots in size, and then by adding 4 dots on each side, up to 177 dots x 177 dots in size are determined.
  • the number of characters that can be stored in the QR code is 7, 089 at most for numbers only, 4, 296 for English letters and numbers, at most symbols, 2, 953 for binary (8 bits), vague It is a maximum of 1,817 characters in Japanese characters.
  • FIG. 3 shows an example of the QR code.
  • the illustrated QR code 300 is a square of 25 dots vertically and 25 dots horizontally, and is about 80% the size of the entire screen of the liquid crystal display panel of a recent common mobile phone.
  • the 2D code reader When displayed with, the 2D code reader has the appropriate number of dots to read.
  • the one shown in the upper left shows the QR code actually displayed or printed, and the enlarged force of such a QR code is also shown in the lower right.
  • vertical and horizontal thin lines are described to explain the position and content of each dot. The actual QR code does not contain such thin lines.
  • the QR code to be displayed on the display unit 13 of the portable terminal 8 is transmitted from the server to the portable terminal 8, the calculation conventionally described as image file data will be described in the present embodiment. It is converted to string data by the method and sent.
  • the operation method for converting a two-dimensional code into character string data will be described in detail below using FIG. 3, FIG. 4A and FIG. 4B.
  • the two-dimensional code is a QR code 300 of 25 dots ⁇ 25 dots having the pattern shown in FIG.
  • the character string generation operation unit 2 of the two-dimensional code processing server 2 receives the top row 301 of the QR code 300, that is, the top row shown in step 401.
  • dots that are black are sequentially recognized as “1”
  • dots that are blank (white) are recognized as “0”
  • a bit string consisting of “1” and “0” Generate Ru At the top of the illustrated QR code 300, from the left,
  • step 402 it is confirmed whether or not it is the final stage, and if it is not the final stage, the process is repeated in step 401, thereby generating a bit string for each row up to the final stage 304.
  • step 403 the bit string (25 bits in length each) of each row consisting of "0" to '1' generated in step 401-402.
  • step 403 For the left column, divide by 4 bits from the left, add 3 bits of "0" at the end, and generate a 28 bit string for each row of QR code 300.
  • bit string is obtained. Then, this bit string is expressed in binary notation. When this is converted to hexadecimal notation in step 404,
  • step 405 it is confirmed whether or not it is the final stage, and if it is not the final stage, the processing of steps 403 to 404 is repeated. Then, when the process of converting the dots of each line in the QR code into character string data is completed to the final stage, the character string generation operation unit 4 makes data for transmission to be stored in the web server 5 in step 406. Apply the generated string data of each line to the transmission template shown in Fig. 4B.
  • step 407 check if it is the final stage and if it is not the final stage
  • the process of step 406 is repeated. In this way, the process applied to the transmission template is performed from the top stage 301 to the final stage 304, and when the process is completed, the QR code 300 is converted into the final transmission character string data, and the transmission is performed.
  • the string data of the credit is stored in the web server 5 at step 408. At this point, the processing in the character string generation and operation unit 4 is completed.
  • the QR code 300 shown in FIG. 3 is transmitted as an image file so as to be displayed in an appropriate size on the display unit 13 of the mobile terminal 8, the image file format is used.
  • the GIF Graphics Interchange Format
  • the amount of data is about 1050 bytes. Therefore, according to the present embodiment, the amount of data transmitted from the Sano to the portable terminal 8 can be approximately 50% as compared to the case of transmitting the image file.
  • the portable terminal 8 When the character string data generated as described above is received, the portable terminal 8 generates the original QR code matrix by performing the reverse operation of the above processing, and the obtained QR code is displayed on the display unit 13. Display the screen.
  • processing in the portable terminal 8 will be described in detail with reference to FIG.
  • the character string reverse operation unit 11 of the portable terminal 8 receives the character string data sent from the web server 5 in step 501, in step 502, the character string data is analyzed. Do. In the example of the present embodiment, since it is a QR code of 25 dots vertically and 25 dots horizontally, the size of the portrait is recognized first, and then data of a portion corresponding to the QR code is extracted. Since the number of dots in vertical and horizontal directions is stored at the beginning of the character string code, as described above, the QR code detects the number of dots (cells) on each side. By doing this, it is possible to recognize the horizontal size, that is, the number of dots.
  • step 503 the character string reverse operation unit 11 Convert this extracted data into binary code.
  • the number of dots in one line of the QR code indicates how many characters the character string data equivalent to one line in the QR code consists of, so each line in the QR code contains character string data. Convert to binary code.
  • step 504 it is determined whether or not the process from the top to the last stage in this process iS QR code is repeated, and if the process is finished up to the final stage, the process proceeds to step 505, and each bit converted to binary code Column power also generates 25 bits of bit string data by removing the last 3 bits. This process is performed for each line of the QR code, and it is checked in step 506 whether the process has been performed to the final stage.
  • step 507 the two-dimensional code display processing unit 12 black dots "1" in the bit string and blanks "0" (white) dots.
  • step 508 the image is displayed on the display unit 13 as a QR code.
  • the two-dimensional code such as the QR code generated by the two-dimensional code generation unit 3 on the server side is displayed on the display unit 13 of the portable terminal 8.
  • the two-dimensional code is read by a two-dimensional code reader, such as by holding it in front of the.
  • the server side transmits information on the coupon to the POS register by being read by, for example, a two-dimensional code reader connected to the POS register.
  • a relatively small QR code such as 25 dots vertically and 25 dots horizontally is used as an example, but according to the present invention, in the case of a larger QR code, the image is an image.
  • the rate of reduction of data is higher than when data is transmitted, and thus higher effects can be obtained.
  • the present invention provides a method of transmitting a two-dimensional code that is optimal for the user as well as for a corporate server that issues coupons and the like as a two-dimensional code.
  • the server can also be realized by causing a general-purpose computer to read a computer program for realizing it and executing the program.
  • a program for realizing the server is read into a computer by a recording medium such as a magnetic tape or a CD-ROM or through a network.
  • a portable terminal 8 loads a program for executing the above-described processing into a general-purpose portable computer or PDA (personal digital assistant) having a function of connecting to a cellular phone network. Can be realized by running the program.
  • PDA personal digital assistant
  • the program mounted on the portable terminal can reduce the program size because the operation of restoring the character string data to the two-dimensional code is a relatively simple algorithm. It can be written in a programming language that does not depend on the OS and platform of the software of the mobile terminal body. Therefore, the present invention has the advantage of showing high versatility and reducing the load on the CPU of the portable terminal in processing. Have points.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
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Abstract

Lorsqu'un code bidimensionnel tel qu'un code QR est transmis à partir d'un serveur vers un terminal mobile tel qu'un téléphone mobile, ce code n'est pas transmis en tant que fichier image mais converti en une suite de données caractères au moyen d'un calcul des données d'image du code bidimensionnel, ladite suite de données caractères étant transmise telle que convertie. Le terminal mobile effectue un calcul inverse au calcul du serveur pour reconstruire le code bidimensionnel original à partir de la suite de données caractères. Ce code bidimensionnel reconstruit est affiché sur une partie d'affichage du terminal mobile, ceci permettant la lecture de ce code bidimensionnel au moyen d'un lecteur de code bidimensionnel.
PCT/JP2004/013423 2003-10-30 2004-09-15 Procede de transmission de code bidimensionnel, systeme et terminal mobile WO2005043454A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005515094A JP4063845B2 (ja) 2003-10-30 2004-09-15 ２次元コード送信方法、システム、及び携帯端末

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JP2003-370275 2003-10-30
JP2003370275 2003-10-30

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Cited By (9)

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JP2009516259A (ja) * 2005-11-11 2009-04-16 株式会社カラージップメディア 動画イメージコード、動画イメージコードを生成または復号する装置及びその方法
CN105303206A (zh) * 2015-10-14 2016-02-03 北京智扬丽家商贸有限公司 智能收纳箱
CN106742400A (zh) * 2016-11-17 2017-05-31 电子科技大学 产品二维码信息采集关联系统及其关联方法与自适应方法
CN108173963A (zh) * 2018-01-19 2018-06-15 大唐终端技术有限公司 一种高效的可调度的二维码传输文件的方法
CN108718328A (zh) * 2018-04-04 2018-10-30 珠海宜心家居有限公司 一种虚拟存储的收纳方法
JP2019128677A (ja) * 2018-01-22 2019-08-01 株式会社デンソーウェーブ 情報コード生成システム
JP2019128676A (ja) * 2018-01-22 2019-08-01 株式会社デンソーウェーブ 情報コード生成システム
JP2020027317A (ja) * 2018-08-09 2020-02-20 古野電気株式会社 携帯端末、システム、文字情報取得方法、及びプログラム
JP2020062246A (ja) * 2018-10-18 2020-04-23 株式会社ユニバーサルエンターテインメント 遊技機及び遊技システム

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JP2003122875A (ja) * 2001-10-12 2003-04-25 Denso Corp モバイルチケットシステム及びそのシステム制御方法
JP2003189020A (ja) * 2001-12-20 2003-07-04 Atsushi Matsushita 画面を用いた通信方法及び通信システム

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009516259A (ja) * 2005-11-11 2009-04-16 株式会社カラージップメディア 動画イメージコード、動画イメージコードを生成または復号する装置及びその方法
JP4848427B2 (ja) * 2005-11-11 2011-12-28 株式会社カラージップメディア 動画イメージコード、動画イメージコードを生成または復号する装置及びその方法
US8447122B2 (en) 2005-11-11 2013-05-21 Colorzip Media, Inc. Animated image code, apparatus for generating/decoding animated image code, and method thereof
US8879859B2 (en) 2005-11-11 2014-11-04 Colorzip Media, Inc. Animated image code, apparatus for generating/decoding animated image code, and method thereof
CN105303206A (zh) * 2015-10-14 2016-02-03 北京智扬丽家商贸有限公司 智能收纳箱
CN106742400A (zh) * 2016-11-17 2017-05-31 电子科技大学 产品二维码信息采集关联系统及其关联方法与自适应方法
CN108173963A (zh) * 2018-01-19 2018-06-15 大唐终端技术有限公司 一种高效的可调度的二维码传输文件的方法
JP2019128677A (ja) * 2018-01-22 2019-08-01 株式会社デンソーウェーブ 情報コード生成システム
JP2019128676A (ja) * 2018-01-22 2019-08-01 株式会社デンソーウェーブ 情報コード生成システム
CN108718328A (zh) * 2018-04-04 2018-10-30 珠海宜心家居有限公司 一种虚拟存储的收纳方法
JP2020027317A (ja) * 2018-08-09 2020-02-20 古野電気株式会社 携帯端末、システム、文字情報取得方法、及びプログラム
JP7181724B2 (ja) 2018-08-09 2022-12-01 古野電気株式会社 携帯端末、システム、文字情報取得方法、及びプログラム
JP2020062246A (ja) * 2018-10-18 2020-04-23 株式会社ユニバーサルエンターテインメント 遊技機及び遊技システム
JP7045299B2 (ja) 2018-10-18 2022-03-31 株式会社ユニバーサルエンターテインメント 遊技機及び遊技システム

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