KR101673803B1 - Information code recognition method and system in wide distance range - Google Patents

Information code recognition method and system in wide distance range Download PDF

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KR101673803B1
KR101673803B1 KR1020150125689A KR20150125689A KR101673803B1 KR 101673803 B1 KR101673803 B1 KR 101673803B1 KR 1020150125689 A KR1020150125689 A KR 1020150125689A KR 20150125689 A KR20150125689 A KR 20150125689A KR 101673803 B1 KR101673803 B1 KR 101673803B1
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information
codes
code
information code
product
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KR1020150125689A
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Korean (ko)
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문준호
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재단법인 다차원 스마트 아이티 융합시스템 연구단
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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
    • G06K7/1417—2D bar codes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
    • G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding

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Abstract

A method of generating an information code according to an exemplary embodiment includes: extracting product information on a product; Generating a plurality of information codes having different sizes and patterns based on the product information; And arranging the generated plurality of information codes based on a predetermined criterion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and system for recognizing information codes in a wide range,

The following description relates to a method and system for providing an extended range of information codes.

A traditional bar code is a combination of black and white bars of different thicknesses for easy computer readability, and is called a linear or one-dimensional bar code. It mainly prints the unique number of the item on the wrapping paper of the product in the form of barcode and plays an important role in automating the logistics management.

Since this one-dimensional bar code can not contain much information, a two-dimensional code has appeared. The most widely used two-dimensional information code in recent years is a QR code (Quick Response Code). In addition, Aztec codes, a data matrix, PDF417, a maxicode, and a micro tag are main secondary codes.

These codes are usually printed on one corner of the wrapping paper in a small size, so it is inconvenient to read them close to the reader. In addition, since codes printed on various articles are not recognized at the same time, they need to be read one at a time, so that it takes much time to read various articles.

For example, information codes such as barcodes printed on items sold in a supermarket are printed in a certain size on a wrapping paper so that the reader is close enough to be readable, and it is troublesome to read them separately for each code. In addition, these codes generally print at the wavelength band of visible light, which is visible to the naked eye. Making the code too large is not good for the code printing to occupy a large portion of the wrapping paper. In addition, weakening the advertisement function of the wrapping paper that induces the purchase of the article may cause serious consequences, so it is difficult to actually print the information code to a certain extent or place it in a position where people are well aware of it. Because of this problem, information codes such as barcodes are usually printed small in size at a few centimeters in the corner of the article packaging.

Also, in the case of an advertisement or a poster attached to a wall, if the information pattern is printed too large, it may interfere with an advertisement originally intended for an advertisement or a poster. Therefore, the information code is generally arranged in a small size on one side.

The preceding documents are as follows. KR10-0946673B1 describes a configuration for generating and recognizing an infrared code through an infrared display device of a digital device. JP 3016582U discloses a structure relating to a publication having an infrared ray absorbing bar code pattern layer. JP1994-106875 discloses a configuration relating to a book having a barcode mark capable of infrared reading.

In addition, A. Dabrowski, et al., QR Incepthon: Barcode-in-barcode attacts, SPSM'14 Proceedings of the 4th ACM Workshop on Security and Privacy in Smartphones & Mobile Devices, (Nov. 7, 2014) A configuration in which another information code is inserted in the information code is described. The document is related to a method for reducing the problem caused by, for example, a technique of inserting and hacking an Aztec code, a data matrix, or another QR code in a QR code.

However, the related art has proposed a configuration for recognizing an information code pattern at a close distance and there is a problem that the recognition range of the information code is limited.

An information code system according to an embodiment provides a method of structurally arranging a plurality of information codes having different sizes and patterns to generate an information code.

An information code system according to an embodiment provides a method of selecting and recognizing at least one information code among a plurality of information codes having different sizes and patterns.

According to an embodiment, a method of generating an information code includes: extracting product information on a product; Generating a plurality of information codes having different sizes and patterns based on the product information; And arranging the generated plurality of information codes based on a predetermined criterion.

According to one aspect of the present invention, the step of generating a plurality of information codes having different sizes and patterns based on the product information may include the steps of generating the first information code and the second information code, And enlarging or reducing the second information code by a magnification factor to generate the second information code.

According to another aspect of the present invention, the step of arranging the plurality of generated information codes based on a predetermined criterion may include arranging the plurality of information codes such that a part of the plurality of information codes overlaps, And the like.

According to another aspect, the step of arranging the generated plurality of information codes on the basis of a predetermined criterion may include arranging a part of the plurality of information codes so as to overlap or arranging the plurality of information codes adjacent to each other, And expanding the recognition distance of the image.

According to another aspect, the step of arranging the generated plurality of information codes on the basis of a predetermined criterion may further include a step of, based on at least one of a minimum distance, a maximum distance or a reading position for recognizing the information codes, And determining a layout structure of the codes.

According to another aspect of the present invention, the information code has self similarity or circularity so that a similar shape and pattern can be formed by changing the size of the information code.

According to one embodiment, a method of recognizing an information code comprises: sensing a code area comprising a plurality of information codes having different sizes and patterns; Selecting at least one information code among the plurality of information codes based on a preset reference; Extracting product information corresponding to the selected at least one information code; And accessing the extracted product information.

According to an aspect of the present invention, the step of detecting a code area including a plurality of information codes having different sizes and patterns may include displaying a preset phrase at a pattern center position with respect to the plurality of information codes included in the product Thereby informing that the plurality of information codes are included.

According to another aspect of the present invention, the step of detecting a code region including a plurality of information codes having different sizes and patterns may include the step of, when the wavelength band in which the plurality of information codes are used is the infrared region, The product codes of the plurality of information codes are provided in a visible form and the plurality of product codes are displayed invisibly on the product when the wavelength band in which the plurality of information codes are used is a visible light range can do.

According to another aspect, the step of accessing the extracted product information may include a step of accessing the web page associated with the product information as the product information is accessed.

According to one embodiment, a system for generating an information code includes: an extracting unit for extracting product information on a product; A generating unit for generating a plurality of information codes having different sizes and patterns based on the product information; And an arrangement unit arranged to arrange the generated plurality of information codes based on a predetermined criterion.

According to an embodiment, a system for recognizing an information code includes: a sensing unit for sensing a code area including a plurality of information codes having different sizes and patterns; A selection unit for selecting at least one information code among the plurality of information codes based on a preset reference; An extracting unit for extracting product information corresponding to the selected at least one information code; And an access unit for accessing the extracted product information.

The information code system according to the embodiment can extend the recognition distance by disposing and providing a plurality of information codes having different sizes and patterns.

The information code system according to an embodiment can induce a user to re-purchase a commodity by providing the commodity with a plurality of information codes having different sizes and patterns.

1 is a diagram for explaining a conventional information code.
Figs. 2 to 4 are diagrams for explaining an example of arranging a plurality of information codes in the information code system according to one embodiment. Fig.
5 is a view for explaining an example in which a plurality of information codes generated in an information code system according to an embodiment are included in a product.
6 is a diagram for explaining the general operation of an information code system according to an embodiment.
7 is a block diagram for explaining a configuration for generating an information code in an information code system according to an embodiment.
8 is a block diagram for explaining a configuration for recognizing an information code in an information code system according to an embodiment.
9 is a diagram for explaining an example of recognizing an information code in an information code system according to an embodiment.
10 is a flowchart for explaining a method of generating an information code in an information code system according to an embodiment.
11 is a flowchart for explaining a method of recognizing an information code in an information code system according to an embodiment.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings.

1 is a diagram for explaining a conventional information code.

Figures 1 (a) and 1 (b) show the typical bar code and QR code, respectively. Generally, such information codes are printed in a size of several centimeters, for example, in a wrapping material or a handbill, so that they can be visually recognized. Information codes of this size can be recognized when the reader is brought close to the reader, but are difficult to recognize at distances of several tens of cm or several meters.

Accordingly, a description will be given of a method of recognizing an information code at a distance of several tens of centimeters or several meters or more from below.

2 is a diagram for explaining an example of arranging a plurality of information codes in the information code generation system according to one embodiment.

The information code generation system may arrange a part of a plurality of information codes so as to overlap or a plurality of information codes adjacent to each other without overlapping. The information code may mean a code including information such as a barcode or a QR code. By having self-similarity or circularity, a similar shape and pattern can be formed by changing the size of the information code.

Referring to FIG. 2A, the information code generation system is an O-type code in which patterns are repeated with reference to the center, and FIG. 2B is a C-type code in which patterns are repeated with reference to the right. The plurality of information codes may include a U-shaped code in which a pattern is repeated with respect to the upper side as required, a ⊃-shaped code in which a pattern is repeated with respect to the left side,

Figure 112015086363354-pat00001
Type code. Through this, the information code generation system can generate information codes having various patterns.

The information code generating system may structurally arrange the information codes having the same information at various sizes while maintaining the form of the information codes used in the past even if the plurality of information codes do not have a repeated pattern. Referring to FIG. 3, a pattern arrangement of information codes formed based on the center is shown. Here, since the existing form of the QR code is maintained, at least one of the plurality of QR codes can be read through image processing.

Referring to FIG. 4, an example in which bar codes are arranged is shown. Fig. 4A shows a bar code arranged on the basis of the center, and Fig. 4B shows a bar code arranged on the basis of the upper bar.

5 is a view for explaining an example in which a plurality of information codes generated in an information code system according to an embodiment are included in a product.

The information code system can form and print information codes that are readable over a wide range of ranges on the wrapper of the article. The information code system can generate a plurality of information codes having the same pattern of different sizes, and the information code system can arrange the generated plurality of information codes based on preset criteria.

The information code system may use an infrared region or a visible light region for a plurality of information codes. At this time, the information code system is not limited to a certain area band in which a plurality of information codes are used, and is applicable to any wavelength band.

If the wavelength band in which the plurality of information codes are used is the infrared region, a plurality of product codes may be displayed invisible to the product as shown in the first drawing of FIG. In this case, although it is not visible in the visible light region, if the camera is photographed with an infrared ray, the information code can be recognized as shown in the second drawing of FIG. Or when the wavelength band in which the plurality of information codes are used is the visible light region, a plurality of product codes may be displayed on the product in a visible manner. At this time, the information code of the visible light region visible to the eye is very similar to the package design of the general article. However, in order to recognize whether or not the information code is invisible to the eye, for example, in the center of the pattern of the information code,

Figure 112015086363354-pat00002
It is possible to notify that there is an information code.

6 is a diagram for explaining the general operation of an information code system according to an embodiment.

The information code system 600 and the user terminal 610 can send and receive data over the network 620 and the configuration of the network includes more or fewer components, ≪ / RTI >

The network 620 may be a medium used to provide communication links between data processing systems, computers, servers, and various devices. Network 620 is a collection of networks and gateways that use the TCP / IP suite of protocols to communicate with each other between the information code system 600 and the user terminal 610. [ Lt; / RTI > In some instances, the network 620 may include or be part of an intranet, a local area network (LAN), or a wide area network (WAN). In some instances, the network 620 may be part of the Internet.

The user terminal 610 may be a PC, a notebook, a smart phone, a tablet, a wearable computer, or the like, for accessing a web / mobile site related to the information code system 600, May refer to all terminal devices capable of being installed and executed. At this time, the user terminal 610 can perform the service-wide operation such as service screen configuration, data input, data transmission / reception, and data storage under the control of the web / mobile site or the dedicated application.

The information code system 600 may be implemented on an information code platform that provides an information code service and may provide an environment for recognizing an information code to a user terminal 610 that is a client using an information code service .

The information code system 600 may be implemented in a form of being included in a platform of an information code server (not shown) that provides an information code service, but is not limited thereto. The information code system 600 may be constructed as a separate system from the information code server, It is also possible to realize the information code in a form that recognizes the information code in cooperation with the information code. Also, the information code system 600 is implemented in the form of an application in which at least some components are installed on the user terminal 610, or in a form that is included in a platform that provides services in a client-server environment It is possible.

7 is a block diagram for explaining a configuration for generating an information code in an information code system according to an embodiment.

The information code system 700 is for generating an information code, and may include an extracting unit 710, a generating unit 720, and a arranging unit 730.

The extracting unit 710 can extract the product information about the product. At this time, the product information may include the name of the product, the price of the product, the manufacturer of the product, the date of manufacture of the product, and may include an online link.

The generating unit 720 may generate a plurality of information codes having different sizes and patterns based on the product information. In generating the first information code and the second information code, the generating unit 720 may generate the second information code by enlarging or reducing the first information code at a preset magnification.

The arrangement unit 730 can arrange the generated plurality of information codes based on a preset reference. The arrangement unit 730 may arrange a part of the plurality of information codes so as to overlap or arrange a plurality of information codes adjacent to each other. The arrangement section 730 can expand the recognition range of the information code by arranging a part of the plurality of information codes to overlap or by arranging the plurality of information codes adjacent to each other. The arrangement unit 730 can determine the arrangement structure of the information codes based on at least one of a minimum distance, a maximum distance, and a reading position for recognizing the information codes.

8 is a block diagram for explaining a configuration for recognizing an information code in an information code system according to an embodiment.

The information code system is for recognizing an information code, and may include a sensing unit 810, a selecting unit 820, an extracting unit 830, and an access unit 840.

The sensing unit 810 may sense a code area including a plurality of information codes having different sizes and patterns. The sensing unit 810 can notify that a plurality of information codes are included by displaying a predetermined phrase at a pattern centered position of the plurality of information codes included in the product. When the wavelength band in which the plurality of information codes are used is an infrared region, the sensing unit 810 provides a plurality of product codes to the product so that they are displayed invisible, and the wavelength band in which the plurality of information codes are used is a visible ray region , A plurality of product codes may be displayed on the product in a visible manner.

The selection unit 820 can select at least one information code among a plurality of information codes based on a preset reference.

The extracting unit 830 can extract the product information corresponding to the selected at least one information code.

The access unit 840 can access the extracted product information. The access unit 840 may be connected to a web page associated with the merchandise information as the merchandise information is accessed.

9 is a diagram for explaining an example of recognizing an information code in an information code system according to an embodiment.

Assume that merchandise 921 is displayed in the store 920 of the store. Here, it is assumed that the user 911 recognizes a plurality of information codes included in each product 921 through the user terminal 910. The user terminal 910 may obtain a plurality of information codes included in the article 921. [ At this time, as a plurality of information codes are obtained from the user terminal 910, the server 900 can sense a code region including a plurality of information codes having different sizes and patterns. At this time, the server 900 can select at least one information code among a plurality of information codes based on the quality of the plurality of information codes in the sensed image. The server 900 may extract a product code corresponding to at least one selected information code. The server 900 can access the extracted product information. At this time, the server 900 may provide the extracted product information to the user terminal 910. The user 911 can view the goods information output through the user terminal 910. [ At this time, the server 900 may connect a web page providing product information to the user terminal 910. The user 911 can provide product information, such as product name, price of the product, manufacturer of the product, date of manufacture of the product, etc., through the web page.

Or, for example, a plurality of information codes having different sizes and the same pattern can be inserted into a luxury bag or clothes. At this time, the information codes inserted in the luxury bag and the clothes are not displayed because the infrared codes are used in the infrared region. When the user likes the luxury bag, the user can recognize the information codes included in the luxury bag through the terminal that detects the infrared region. The server 900 may select at least one information code of the plurality of information codes based on the quality of the information code in the image recognized by the user terminal. The server 900 may extract product information corresponding to at least one selected information code and provide the extracted product information to the user terminal 910 of the user 911. [ The user terminal 910 may display the price of the luxury bag, the name of the manufacturer, the name of the product, or the like so that the luxury bag can be purchased. Or an electronic device such as a notebook computer or a computer.

Or may include a plurality of information codes having different sizes and patterns in a window, for example. The user 911 can recognize the information code through the user terminal 910. [ The server 900 may sense a code area including a plurality of information codes having different sizes and patterns and may select at least one information code among a plurality of information codes. The server 900 may output the advertisement image corresponding to the information code to the user terminal 910. [

Or, for example, the advertisement poster may include a plurality of information codes having different sizes and the same pattern. At this time, the information codes can be recognized through the user terminal 910. The server 900 can detect a code area including a plurality of information codes having different sizes and patterns. The server 900 may extract information about the advertisement poster by selecting and recognizing at least one information code among a plurality of information codes. The server 900 may provide information to the user terminal 910 about the advertisement poster.

The information code system according to an exemplary embodiment may induce a user to re-purchase a product by providing the product information corresponding to the information code to the user.

The information code system according to an embodiment can provide information codes having different sizes and patterns so that the information codes can be recognized without requiring the user to approach the goods through the user terminal. By providing such information codes, the recognition distance can be extended.

10 is a flowchart for explaining a method of generating an information code in an information code system according to an embodiment.

In step 1010, the information code system may extract product information for a product. At this time, the product information may include a product name, a price of the product, a manufacturer of the product, a date of manufacture of the product, and may include an online link related to the product.

In step 1020, the information code system may generate a plurality of information codes having different sizes and patterns based on the product information. The information code system may generate the second information code by enlarging or reducing the first information code at a preset magnification. For example, the information code system may generate a second information code by scaling up or down to a preset magnification, such as twice or 1/2 times the size of the first information code. Through this, a plurality of information codes can be generated.

In step 1030, the information code system may place the generated plurality of information codes based on predetermined criteria. The information code system may be arranged such that some of the plurality of information codes overlap or adjacent to each other.

The information code system according to one embodiment can extend the recognition distance of the information code by overlapping or adjacently arranging a part of the plurality of information codes.

11 is a flowchart for explaining a method of recognizing an information code in an information code system according to an embodiment.

In step 1110, the information code system may sense a code region containing a plurality of information codes having different sizes and patterns. The information code system can notify that a plurality of information codes are included by displaying a predetermined phrase at a pattern centered position with respect to a plurality of information codes included in the goods. When the wavelength band in which the plurality of information codes are used is an infrared region, the information code system is provided in such a manner that a plurality of commodity codes are displayed invisibly on the commodity, and when the wavelength band in which the plurality of information codes are used is a visible light region , And a plurality of commodity codes may be displayed on the commodity in a visible manner.

In step 1120, the information code system may select at least one information code from among a plurality of information codes based on predetermined criteria. For example, the information code system can select at least one information code among a plurality of information codes according to the quality of the information code in the sensed image.

In step 1130, the information code system may extract product information corresponding to the selected at least one information code.

In step 1140, the information code system may access the extracted product information. The information code system may be linked to a web page associated with merchandise information as it accesses merchandise information.

The apparatus described above may be implemented as a hardware component, a software component, and / or a combination of hardware components and software components. For example, the apparatus and components described in the embodiments may be implemented within a computer system, such as, for example, a processor, a controller, an arithmetic logic unit (ALU), a digital signal processor, a microcomputer, a field programmable gate array (FPGA) , A programmable logic unit (PLU), a microprocessor, or any other device capable of executing and responding to instructions. The processing device may execute an operating system (OS) and one or more software applications running on the operating system. The processing device may also access, store, manipulate, process, and generate data in response to execution of the software. For ease of understanding, the processing apparatus may be described as being used singly, but those skilled in the art will recognize that the processing apparatus may have a plurality of processing elements and / As shown in FIG. For example, the processing unit may comprise a plurality of processors or one processor and one controller. Other processing configurations are also possible, such as a parallel processor.

The software may include a computer program, code, instructions, or a combination of one or more of the foregoing, and may be configured to configure the processing device to operate as desired or to process it collectively or collectively Device can be commanded. The software and / or data may be in the form of any type of machine, component, physical device, virtual equipment, computer storage media, or device , Or may be permanently or temporarily embodied in a transmitted signal wave. The software may be distributed over a networked computer system and stored or executed in a distributed manner. The software and data may be stored on one or more computer readable recording media.

The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.

Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.

Claims (12)

A method for generating an information code,
Extracting product information for a product;
Generating a plurality of information codes having different sizes and patterns based on the product information; And
Arranging the generated plurality of information codes based on a preset reference
Lt; / RTI >
The step of arranging the generated plurality of information codes based on a preset reference
Placing the plurality of information codes adjacent without being overlapped
And generating an information code. The method according to claim 1,
And generating a plurality of information codes having different sizes and patterns based on the product information,
Generating the first information code and the second information code by enlarging or reducing the first information code at a preset magnification,
And generating an information code. delete The method according to claim 1,
Wherein the step of arranging the plurality of generated information codes based on a preset reference comprises:
Expanding the recognition distance of the information code by arranging the plurality of information codes adjacent to each other
And generating an information code. The method according to claim 1,
Wherein the step of arranging the plurality of generated information codes based on a preset reference comprises:
Determining a layout structure of the information codes based on at least one of a minimum distance, a maximum distance or a reading position for recognizing the information codes;
And generating an information code. The method according to claim 1,
The information code includes:
Self similarity or circularity so as to form similar shapes and patterns by changing the size of the information code
And generating the information code. In a method for recognizing an information code,
Detecting a code region including a plurality of information codes having different sizes and the same pattern, the plurality of information codes being disposed adjacent to each other without overlapping;
Selecting at least one information code among the plurality of information codes based on a preset reference;
Extracting product information corresponding to the selected at least one information code; And
Accessing the extracted product information
The information code identification method comprising: 8. The method of claim 7,
Wherein the step of detecting a code area including a plurality of information codes having different sizes and the same pattern includes:
Notifying that the plurality of information codes are included by displaying a predetermined phrase at a pattern centered position of the plurality of information codes included in the product
The information code identification method comprising: 9. The method of claim 8,
Wherein the step of detecting a code area including a plurality of information codes having different sizes and the same pattern includes:
When the wavelength band in which the plurality of information codes are used is an infrared region, the plurality of commodity codes are provided in a form invisible to the commodity, and when the wavelength band in which the plurality of information codes are used is a visible light region , Wherein the plurality of product codes are visibly displayed on the product
The information code identification method comprising: 8. The method of claim 7,
Wherein the step of accessing the extracted product information comprises:
Accessing the product information and linking to a web page associated with the product information
The information code identification method comprising: A system for generating an information code,
An extracting unit for extracting product information on a product;
A generating unit for generating a plurality of information codes having different sizes and patterns based on the product information; And
And arranging the generated plurality of information codes based on a preset reference,
Lt; / RTI >
The arrangement
And arranges the plurality of information codes adjacent to each other without being overlapped. A system for recognizing an information code,
A sensing unit for sensing a code region including a plurality of information codes having different sizes and the same pattern, the plurality of information codes being disposed adjacent to each other without overlapping;
A selection unit for selecting at least one information code among the plurality of information codes based on a preset reference;
An extracting unit for extracting product information corresponding to the selected at least one information code; And
An access unit for accessing the extracted product information
The information code recognition system comprising:
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050089809A (en) * 2005-06-03 2005-09-08 실버브룩 리서치 피티와이 리미티드 Rotationally symmetric tags
JP2005301656A (en) * 2004-04-12 2005-10-27 Sakae Shibusawa Information recording method, device therefor, and multilayer code

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005301656A (en) * 2004-04-12 2005-10-27 Sakae Shibusawa Information recording method, device therefor, and multilayer code
KR20050089809A (en) * 2005-06-03 2005-09-08 실버브룩 리서치 피티와이 리미티드 Rotationally symmetric tags

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