QR code-marked braille block for guiding visually impaired person and visually impaired person information guide system using same

Abstract

The present invention relates to a QR code-marked braille block for guiding a visually impaired person and an information guide system using same. More specifically, the present invention relates to a QR code-marked braille block for guiding a visually impaired person and a visually impaired person information guide system using same, wherein more accurate next movement information can be provided to the visually impaired person on the basis of the path of movement of the visually impaired person analyzed by recognizing the QR code included in braille blocks, and the direction of entry into the current braille block. Particularly, the system analyzes whether the visually impaired person has moved to the braille block as guided, compared with the guided movement information, or whether the visually impaired person has entered in the accurate direction, thereby analyzing and handling any need to correct the position of the braille block or to correct the QR code information included in the braille block. In addition, on the basis of information analyzed / provided with regard to a specific visually impaired person, information customized to the visually impaired person can be selected from information included in the QR code or content provided through the central server and then provided.

Description

Braille blocks displaying QR codes for guidance to the visually impaired and an information guidance system using the same

[0001] The present invention relates to a Braille block for guiding a visually impaired person with a QR code displayed thereon and an information guidance system using the same, and more specifically, to a Braille block for guiding a visually impaired person with a QR code displayed thereon, which can more accurately guide the visually impaired person with next movement information based on the movement path of the visually impaired person and the current direction of entry into the Braille block analyzed through recognition of a QR code included in the Braille block, and in particular, by analyzing whether the visually impaired person actually moved to the guided Braille block or entered in the correct direction compared to the guided movement information, it can analyze and provide information that requires correction to the location of the Braille block or correction related to QR code information included in the Braille block, and further, based on information analyzed and provided for a specific visually impaired person, it can select and provide customized information suitable for the visually impaired person from among the information included in the QR code or content provided through the central server.

[0002] Braille blocks are installed on both sides of the road to guide the visually impaired. There are two main types of Braille blocks: linear blocks that guide the direction of the walkway, the direction of crossing at crosswalks, and the direction of entry at entrances and exits, and dot-shaped blocks that are installed at the start and end of crosswalks, underpasses, overpasses, and stairs to guide people to stop at the correct location.

[0003] Meanwhile, QR codes are being applied in many areas of life, such as attaching QR codes to buildings or streetlights, and connecting to the corresponding Internet service by capturing the QR code with a smartphone. Therefore, the majority of smartphone users are installing QR code-related apps (also recognized by the default camera program) and utilizing them.

[0004] However, since the Braille blocks installed and used on pedestrian walkways can only provide limited information, there are many difficulties for the visually impaired to move to the desired location or reach the destination using only the information on these Braille blocks.

[0005] <Patent Document>

[0006] Domestic Patent No. 10-2444954 (announced on September 21, 2022) "Paving Block with QR Code"

[0007] The above-mentioned prior art <patent document> discloses a pedestrian sidewalk block with a QR code implemented, which implements a QR code on the sidewalk block so that pedestrians can scan it on the spot with a smart phone to receive various information, and by engraving a QR code on the surface of the sidewalk block by CNC machining, pedestrians can receive various information as desired with the smart phone they are carrying at their location.

[0008] That is, the above-mentioned prior <patent document> only implements the pavement block itself as a QR code to provide necessary information, and is completely unrelated to implementing a QR code on a Braille block for the visually impaired to provide various information, such as accurate route guidance, to the visually impaired.

[0009] The present invention has been devised to solve the above problems.

[0010] The purpose of the present invention is to provide a Braille block for the visually impaired with a QR code displayed thereon, which enables the visually impaired to accurately identify the direction in which the Braille block is entered by forming a QR code formed on the Braille block in a section other than the exact center when the square Braille block is divided into square sections of the same size.

[0011] Another object of the present invention is to provide an information guidance system for the visually impaired using a Braille block for guidance for the visually impaired with a QR code displayed on it, which can more accurately provide the visually impaired with next movement information based on the movement path of the visually impaired person and the current direction of entry into the Braille block analyzed through recognition of the QR code included in the Braille block.

[0012] Another object of the present invention is to provide a visually impaired information guidance system using a Braille block for guidance of the visually impaired, which analyzes whether an actual visually impaired person has moved to the guided Braille block or entered in the correct direction compared to the guided movement information, and analyzes and provides information that requires correction of the location of the Braille block or correction of QR code information included in the Braille block.

[0013] Another object of the present invention is to provide a visually impaired information guidance system using a Braille block for guidance of the visually impaired, which can select and provide customized information suitable for the visually impaired person among the information included in the QR code or the content provided through the central server based on the information analyzed and provided for a specific visually impaired person.

[0014] In order to achieve the above-mentioned purpose, the present invention is implemented by an embodiment having the following configuration.

[0015] According to one embodiment of the present invention, a Braille block for guiding a visually impaired person with a QR code according to the present invention includes a QR code display unit on which a QR code containing various information is displayed on the surface of the Braille block, and the QR code display unit is characterized in that it is formed on a part of the Braille block.

[0016] According to another embodiment of the present invention, the QR code display portion is characterized in that it is formed in a section other than the exact center when a square Braille block is divided into square sections of the same size, or in the center section of one side.

[0017] According to another embodiment of the present invention, the QR code display unit is characterized in that it is formed by printing a QR code on a separate member attached on a Braille block.

[0018] According to another embodiment of the present invention, a visually impaired information guidance system using a Braille block for guiding the visually impaired with a QR code according to the present invention comprises: a Braille block; a visually impaired guidance device that is carried by a visually impaired person and includes a camera capable of recognizing a QR code displayed on the surface of the Braille block; and a central server that provides content linked to various information included in the QR code.

[0019] According to another embodiment of the present invention, the guidance device for the visually impaired further includes an information processing unit that analyzes information included in a QR code recognized by the camera to provide various information to the visually impaired, and the information processing unit is characterized in that it includes a route guidance unit that analyzes information included in the QR code to guide the visually impaired person to a route to a destination.

[0020] According to another embodiment of the present invention, the path guidance unit in the present invention is characterized by including an entry direction analysis module that distinguishes an entry direction of a visually impaired person based on where a QR code recognized by the camera is located on a Braille block, a movement path analysis module that distinguishes a movement path of a visually impaired person based on the order of QR codes recognized by the camera, and a movement information guidance module that guides the visually impaired person to next movement information based on the movement path analyzed by the movement path analysis module and the entry direction to the current Braille block analyzed by the entry direction analysis module.

[0021] According to another embodiment of the present invention, the movement information guidance module in the present invention is characterized in that, when calculating a route to guide the next movement information to the destination for the visually impaired person, the difference between the GPS location value among the QR code information recognized by the camera and the GPS location value received from the guidance device for the visually impaired is corrected to precisely calculate the route.

[0022] According to another embodiment of the present invention, the central server in the present invention includes a Braille block feedback unit that analyzes and provides matters requiring correction related to the Braille block based on feedback information of the path guidance unit, and the Braille block feedback unit is characterized by including a Braille block position feedback module that analyzes whether an actual visually impaired person has moved to the guided Braille block or entered in the correct direction through the entry direction analysis module or the movement path analysis module compared to the movement information provided through the movement information guidance module, and provides matters requiring correction to the position of the Braille block, and a QR code information feedback module that analyzes the movement path of an actual visually impaired person through the movement path analysis module compared to the movement information provided through the movement information guidance module, and provides matters requiring correction related to QR code information included in the Braille block.

[0023] According to another embodiment of the present invention, the information processing unit in the present invention is characterized by further including a customized information providing unit that provides customized information for the visually impaired person based on information related to the visually impaired person and information included in the QR code or content provided through the central server.

[0024] According to another embodiment of the present invention, the customized information providing unit in the present invention is characterized by including an input information analysis module that analyzes information provided by a visually impaired person, such as tastes or interests, a user analysis module that analyzes information of interest to the visually impaired person based on information of destinations frequently visited by the visually impaired person through the route guidance unit, and a customized information providing module that selects and provides customized information suitable for the visually impaired person from among information included in the QR code or content provided through the central server based on information analyzed and provided through the input information analysis module and the user analysis module.

[0025] The present invention can obtain the following effects through the combination and use of the configuration described above and the following examples.

[0026] The present invention has the effect of enabling the visually impaired to accurately identify the direction in which the Braille block is entered by forming a QR code formed on a Braille block for the visually impaired, particularly in a section other than the exact center when the square Braille block is divided into square sections of the same size.

[0027] The present invention has the effect of more accurately providing next movement information to a visually impaired person based on the movement path of the visually impaired person and the current direction of entry into the Braille block, which are analyzed through recognition of a QR code included in a Braille block.

[0028] The present invention has the effect of analyzing whether an actual visually impaired person has moved to the guided Braille block or entered in the correct direction compared to the guided movement information, and analyzing and providing information on whether corrections are needed for the location of the Braille block or for QR code information included in the Braille block.

[0029] The present invention has the effect of being able to select and provide customized information suitable for a specific visually impaired person from among the information contained in the QR code or the content provided through the central server based on the information analyzed and provided for the specific visually impaired person.

[0030] Figure 1 is a reference drawing showing an example of a Braille block for guiding the visually impaired with a QR code according to the present invention.

[0031] Figure 2 is a main configuration diagram of an information guidance system for the visually impaired according to the present invention.

[0032] Figure 3 is a detailed configuration diagram of a guidance device for the visually impaired.

[0033] Figure 4 is a detailed configuration diagram of the central server.

[0034] * Explanation of symbols used in drawings

[0035] 10: Braille block 110: QR code display area

[0036] 30: Guide device for the visually impaired 310: Camera

[0037] 320: Information Processing Department 321: Route Guidance Department

[0038] 3211: Entry direction analysis module 3212: Movement path analysis module

[0039] 3213: Mobile Information Guidance Module 322: Customized Information Provision Unit

[0040] 3221: Input information analysis module 3222: User analysis module

[0041] 3223: Customized Information Provision Module 50: Central Server

[0042] 510: Braille block feedback section 511: Braille block position feedback module

[0043] 512: QR Code Information Feedback Module

[0044] Hereinafter, preferred embodiments of a Braille block for guiding the visually impaired with a QR code according to the present invention and an information guidance system for the visually impaired using the same will be described in detail with reference to the attached drawings. It should be noted that identical components are represented by the same symbols wherever possible throughout the drawings. Unless otherwise defined, all terms in this specification have the same general meaning as those terms understood by a person skilled in the art to which the present invention pertains, and if there is a conflict with the meaning of a term used in this specification, the definitions used in this specification shall apply. Throughout the specification, when a part is said to "include" a certain component, this does not mean that other components are excluded, but that other components may be further included, unless specifically stated otherwise. In addition, terms such as "... part" and "... module" described in the specification mean a unit that processes at least one function or operation, and this may be implemented by hardware, software, or a combination of hardware and software.

[0045]

[0046] Referring to FIG. 1, a Braille block (10) for guiding the visually impaired with a QR code according to one embodiment of the present invention includes a QR code display unit (110) on the surface of which a QR code containing various information is displayed; and the QR code display unit (110) is characterized in that it is formed in a section portion other than the exact center when a part of the Braille block (10), particularly a square Braille block (10), is divided into square sections of the same size.

[0047] The above Braille block (10) is a block constructed to guide the walking of a visually impaired person on a pedestrian walkway, and as previously explained, it is a concept that includes both linear blocks that guide the direction of walking on a pedestrian walkway, the direction of crossing a crosswalk, and the direction of entry into an entrance and exit, and dot-shaped blocks that are installed at the start and end points of crosswalks, underpasses, overpasses, and stairs to guide the person to stop at an accurate location.

[0048] The above QR code display unit (110) refers to a portion where a QR code containing various information is displayed on the surface of the Braille block, and the QR code contains various information such as the current location, surrounding buildings, and surrounding related content, and can be displayed in various forms such as being displayed in an engraved or raised form on the surface of the Braille block, being attached in the form of a separate film, or being formed by printing the QR code on a separate member attached on the Braille block.

[0049] In particular, the present invention is characterized in that the QR code display portion (110) is formed in a section other than the center when a portion of a Braille block (10), particularly a square Braille block (10), is divided into square sections of the same size. That is, when the QR code display unit (110) is formed on the entire Braille block (10) or is formed at the exact center of the Braille block (10), when approaching the Braille block (10) and recognizing the QR code of the QR code display unit (110) formed on the Braille block (10), it is impossible to discern the direction of approach from which the visually impaired person approached the Braille block (10). On the contrary, as in the embodiment illustrated in FIG. 1, when the QR code display unit (110) is formed in one of the four-divided sections of the square Braille block (10) (see (1) of FIG. 1) or is formed in the lower central section of the nine-divided section (formed in the central section of one side of the Braille block) (see (2) of FIG. 1), when recognizing the QR code of the QR code display unit (110) formed on the Braille block (10) from the direction of approaching the Braille block (10), Depending on where the QR code display unit (110) is located on the screen where the camera (310) described later recognizes the Braille block (10) (i.e., for example, in (1) of FIG. 1, when a visually impaired person approaches from the left to the right and recognizes the QR code, the QR code display unit (110) is located on the upper right side on the screen where the camera (310) recognizes the Braille block (10), and when a visually impaired person approaches from the right to the left and recognizes the QR code, the QR code display unit (110) is located on the lower left side on the screen where the camera (310) recognizes the Braille block (10), the approach direction can be clearly distinguished.

[0050]

[0051] Meanwhile, referring to FIGS. 2 to 4, a visually impaired information guidance system using a Braille block for guiding the visually impaired with a QR code according to another embodiment of the present invention may include a Braille block (10); a visually impaired guidance device (30) that is carried by a visually impaired person and includes a camera (310) that can recognize a QR code displayed on the surface of the Braille block (10); and a central server (50) that provides content linked to various information included in the QR code.

[0052] The above-mentioned guidance device (30) for the visually impaired is configured to be carried by the visually impaired person and to recognize the QR code displayed on the surface of the Braille block (10) and provide various analysis information accordingly. Typically, a smart cane (capable of implementing a camera, GPS, and analysis function) carried by the visually impaired person can be utilized, but a smartphone carried by the visually impaired person can also be utilized, and various types of smart devices can be utilized as long as they can capture forward images or receive separate GPS locations or have information analysis functions. More specifically, the guidance device (30) for the visually impaired person can include a camera (310) and an information processing unit (320) that analyzes information included in a QR code recognized by the camera (310) and provides various information to the visually impaired person.

[0053] The above camera (310) is configured to recognize a QR code displayed on the surface of the Braille block (10), and is formed in front of the visually impaired guide device (30) to recognize an approaching Braille block (10) and photograph it, thereby recognizing the QR code formed on the surface of the Braille block (10) and providing corresponding information. The camera (310) can be utilized in various forms, such as a form in which a function for recognizing a QR code and providing information is implemented in a general CCD module.

[0054] The above information processing unit (320) is configured to analyze information included in a QR code recognized through the camera (310) and provide various information to the visually impaired person. To this end, more specifically, the information processing unit (320) may include a route guidance unit (321) that analyzes information included in the QR code and provides guidance to the visually impaired person on a route to a destination, and a customized information provision unit (322) that provides customized information to the visually impaired person based on information related to the visually impaired person and information included in the QR code or content provided through the central server (50).

[0055] The above-mentioned route guidance unit (321) is configured to analyze the information included in the QR code and guide the visually impaired person to the route to the destination. To this end, more specifically, the route guidance unit (321) may include an entry direction analysis module (3211) that distinguishes the entry direction of the visually impaired person based on where the QR code (QR code display unit (110)) recognized by the camera (310) is located on the Braille block (10), a movement path analysis module (3212) that distinguishes the movement path of the visually impaired person based on the order of the QR codes (QR code display unit (110)) recognized by the camera (310), and a movement information guidance module (3213) that guides the visually impaired person to the next movement information based on the movement path analyzed by the movement path analysis module (3212) and the entry direction to the current Braille block (10) analyzed by the entry direction analysis module (3211).

[0056] The above entry direction analysis module (3211) is configured to distinguish the entry direction of a visually impaired person based on the location of the Braille block (10) in which the QR code (QR code display unit (110)) recognized by the camera (310) is located. As described above, the Braille block (10) applied to the present invention has the QR code display unit (110) formed on its surface formed in a sectioned section rather than the exact center when the square Braille block (10) is divided into square sections of the same size. Therefore, depending on the direction in which the visually impaired person enters the Braille block (10), the location of the QR code (QR code display unit (110)) recognized by the camera (310) of the visually impaired person's guidance device (30) in which section of the Braille block (10) is located varies. Based on this, the entry direction analysis module (3211) can distinguish the entry direction in which the visually impaired person entered the Braille block (10). For example, as shown in (1) of Fig. 1, in the case where a QR code (QR code display unit (110)) is formed in one of the four-divided sections of a square Braille block (10), when a visually impaired person approaches the Braille block (10) from the left to the right and recognizes the QR code, the QR code display unit (110) is located at the upper right on the screen where the camera (310) recognizes the Braille block (10), and on the other hand, when a visually impaired person approaches the Braille block (10) from the right to the left and recognizes the QR code, the QR code display unit (110) is located at the lower left on the screen where the camera (310) recognizes the Braille block (10). The entry direction analysis module (3211) distinguishes the entry direction of the visually impaired person based on which part of the Braille block (10) the QR code (QR code display unit (110)) recognized by the camera (310) is located. You will be able to clearly discern the direction of approach.

[0057] The above movement path analysis module (3212) is configured to distinguish the movement path of a visually impaired person based on the order of the QR codes (QR code display unit (110)) recognized by the camera (310). Braille blocks (10) having the QR code display unit (110) formed on the surface are positioned at specific points on the walkway. As the visually impaired person moves, the Braille blocks (10) having the QR code display unit (110) formed on the surface are sequentially recognized through the camera (310). In this way, based on the order information of the QR codes (QR code display unit (110)) of the Braille blocks (10) recognized by the camera (310) of the visually impaired person's guidance device (30) carried by the visually impaired person, the movement path analysis module (3212) can distinguish, analyze, and provide the movement path of the visually impaired person so far.

[0058] The above movement information guidance module (3213) is configured to guide the next movement information to the visually impaired person based on the movement path analyzed by the movement path analysis module (3212) and the entry direction to the current Braille block (10) analyzed by the entry direction analysis module (3211). When the visually impaired person inputs information about the destination (including a stopover, etc.) to which he or she wishes to move to the information processing unit (320) of the visually impaired guidance device (30), the information processing unit (320) guides the movement path to the destination. At this time, the movement information guidance module (3213) determines the movement information that the visually impaired person has moved so far based on the analysis information through the movement path analysis module (3212), and also determines the entry direction information about the direction from which the visually impaired person entered the specific Braille block (10) at the current location based on the analysis information through the entry direction analysis module (3211), and then, based on this information, the current location of the visually impaired person (at this time, the current location is By compensating for the difference between the GPS location value among the information of the QR code recognized by the camera (310) and the separate GPS location value received from the guidance device for the visually impaired (30), a more accurate current location can be identified) and the next movement information to the destination is analyzed and guided based on more accurate analysis information about the direction in which the user is facing. That is, in the case of a visually impaired person, if the direction of movement is slightly off at any point, even if the user has been moving well up to that point, the movement from that point onward may become completely off. Therefore, in order to provide more accurate information about the next movement for a visually impaired person, it is necessary to be able to accurately confirm the direction in which the body of the visually impaired person is currently facing.(That is, depending on the direction in which the visually impaired person's body is facing on the tactile block in front of the crosswalk at the intersection, the target crosswalk may be in front of the visually impaired person or on the right side.) Therefore, the movement information guidance module (3213) is primarily based on the information on the movement path that the visually impaired person has moved along in the past analyzed by the movement path analysis module (3212), and in particular, the information on the current entry direction toward the tactile block (10) analyzed by the entry direction analysis module (3211) (the direction in which the visually impaired person's body is facing at the current location). Therefore, it is possible to provide the visually impaired person with more accurate movement information for the next movement.

[0059] The above-mentioned customized information provision unit (322) is configured to provide customized information for the visually impaired person based on information related to the visually impaired person and information included in the QR code or content provided through the central server (50). To this end, more specifically, the customized information provision unit (322) may include an input information analysis module (3221) that analyzes information provided by the visually impaired person, such as tastes or interests, a user analysis module (3222) that analyzes information of interest to the visually impaired person based on information of frequently visited destinations by the visually impaired person through the route guidance unit (321), and a customized information provision module (3223) that selects and provides customized information suitable for the visually impaired person from among information included in the QR code or content provided through the central server (50) based on information analyzed and provided through the input information analysis module (3221) and the user analysis module (3222).

[0060] The above input information analysis module (3221) is configured to analyze information provided by a visually impaired person, such as tastes or interests, and a visually impaired person can input information in advance, such as what he or she is interested in, such as reading, music, or history, through the above-described guidance device for the visually impaired, in order to provide customized information tailored to him or her. The above input information analysis module (3221) can analyze information about tastes or interests of a visually impaired person, such as those input in this way or collected through other routes, and provide the same to a customized information provision module (3223) described later.

[0061] The above user analysis module (3222) is configured to analyze the interest information of the visually impaired person based on the destination information frequently visited by the visually impaired person through the route guidance unit (321). When the visually impaired person continuously receives guidance on the movement route through the visually impaired person guidance device (30) applied to the present invention, the route guidance unit (321) accumulates information on the destinations frequently visited by the visually impaired person (including intermediate destinations, etc.), and the user analysis module (3222) analyzes which places or facilities, such as museums, libraries, walking trails, and social welfare facilities, the visually impaired person mainly visits based on the destination (including intermediate destinations, etc.) information accumulated in this manner, and analyzes and provides the interest information of the visually impaired person.

[0062] The above-mentioned customized information provision module (3223) is configured to select and provide customized information suitable for the visually impaired person among the information included in the QR code or the content provided through the central server (50) based on the information analyzed and provided through the input information analysis module (3221) and the user analysis module (3222). The information included in the QR code or the content information provided through the central server (50) includes various types of information, but it is unnecessary to provide all of such information to a visually impaired person passing by a specific point, and providing unnecessary information to the visually impaired person may also cause fatigue. Therefore, it can be more effective to provide only customized information that the visually impaired person may be interested in among such information, and the above-mentioned customized information provision module (3223) enables such customized information provision. That is, for example, in the case of a specific visually impaired person, if the input information analysis module (3221) inputs that the person enjoys drinking coffee, and thus the interest is analyzed as 'coffee', and if the user analysis module (3222) analyzes that the person frequently visits only coffee shops of a specific brand, then the customized information provision module (3223) can select and provide only the information provided from the QR code of the Braille block (10) where the person is currently located or the content information provided through the central server (50) in conjunction therewith, if a nearby coffee shop of the specific brand is included.

[0063] The central server (50) above is configured to provide, analyze, and modify (feedback) contents linked to various information included in the QR code. Examples of contents linked to various information included in the QR code include, if the information included in the QR code is location information or information on buildings around the location, related information such as history, chronology, facilities, and events related to the location or building, or information on major facilities at the location. The central server (50) can produce, provide, analyze, and modify (feedback) the contents. More specifically, the central server (50) can include a Braille block feedback unit (510) that analyzes and provides matters requiring modification related to the Braille block based on feedback information from the path guidance unit.

[0064] More specifically, the Braille block feedback unit (510) may include a Braille block position feedback module (511) that analyzes whether an actual visually impaired person has moved to or entered in the correct direction of the guided Braille block (10) through the entry direction analysis module (3211) or the movement path analysis module (3212) in comparison with the movement information provided through the movement information guidance module (3213) and provides information on what needs to be corrected about the position of the Braille block (10), and a QR code information feedback module (512) that analyzes an actual movement path taken by an actual visually impaired person through the movement path analysis module (3212) in comparison with the movement information provided through the movement information guidance module (3213) and provides information on what needs to be corrected about the QR code information included in the Braille block (10).

[0065] The above-mentioned Braille block position feedback module (511) is configured to analyze whether an actual visually impaired person has moved to the guided Braille block (10) or entered in the correct direction through the entry direction analysis module (3211) or movement path analysis module (3212) in comparison to the movement information provided through the movement information guidance module (3213), and to analyze and provide any necessary corrections to the position of the Braille block (10). In other words, even if a visually impaired person has received guidance on the movement path, there may be frequent cases where the person moves differently from that guided. The main cause of this is often that the Braille block intended to guide the walking of the visually impaired person is incorrectly installed in the wrong position or direction. However, there are almost no cases where it is possible to confirm and determine information on such incorrectly installed Braille blocks without the active reporting of the visually impaired person. In the present invention, by comparing the information on the movement path guided by the visually impaired person (through the movement information guidance module (3213)) with the information on how the person actually moved thereafter (collectable through the movement path analysis module (3212)), through the Braille block position feedback module (511), information on locations where the visually impaired person frequently moves along the wrong path can be collected, and in particular, by merging and analyzing the information on the direction in which the visually impaired person enters a specific Braille block (10) at the time of moving along the wrong path (collectable through the entry direction analysis module (3211)), matters requiring correction, such as the installation location or installation direction of the specific Braille block, are analyzed, and feedback on the Braille block position becomes possible through the provision of such analysis information.

[0066] The above QR code information feedback module (512) is configured to analyze the actual movement path taken by a visually impaired person through the movement path analysis module (3212) in comparison with the movement information provided through the movement information guidance module (3213), and to analyze and provide the necessary corrections related to the QR code information included in the Braille block (10). As described above, even if a visually impaired person has received guidance on the movement path, the main reason for the visually impaired person moving differently is that the Braille block for guiding the walking of the visually impaired person is installed in an incorrect location or direction, in which case feedback is possible through the Braille block position feedback module (511). However, in the present invention, the movement path of the visually impaired person is guided based on information obtained through a specific Braille block (10) including a QR code. In this case, even if the information provided through the QR code itself is incorrect, it ultimately provides a cause for the visually impaired person to move along the wrong path. Accordingly, the QR code information feedback module (512) analyzes and provides information on the QR code information itself that needs to be modified. For example, even though a diagonal crosswalk has recently been installed at a crosswalk at an intersection, if the QR code of the tactile block (10) at the intersection still contains information indicating that in order to move diagonally, one must first cross the crosswalk straight ahead and then cross the crosswalk laterally, and thus visually impaired people are frequently moving along the inconvenient two-crosswalk route, the QR code information feedback module (512) analyzes the actual movement path taken by the visually impaired person through the movement path analysis module (3212) and provides information on the QR code information included in the tactile block (10) that needs to be modified.

[0067]

[0068] In the above, the applicant has described various embodiments of the present invention, but such embodiments are only examples of implementing the technical idea of ​​the present invention, and any change or modification that implements the technical idea of ​​the present invention should be interpreted as falling within the scope of the present invention.

Claims

1. Includes a QR code display section in which a QR code containing various information is displayed on the surface of the Braille block; A Braille block for the visually impaired, characterized in that the QR code display portion is formed on a part of the Braille block.

2. In paragraph 1, A Braille block for the visually impaired, characterized in that the QR code display portion is formed in a section other than the exact center when the square Braille block is divided into square sections of the same size, or in the center section of one side.

3. In paragraph 1, A Braille block for the visually impaired, characterized in that the QR code display section is formed by printing a QR code on a separate member attached to the Braille block.

4. A tactile block of any one of the above clauses 1 to 3; A guide device for the visually impaired that is carried by the visually impaired person and includes a camera that can recognize a QR code displayed on the surface of the Braille block; and A visually impaired information guidance system using a Braille block for the visually impaired with a QR code displayed thereon, characterized by including a central server that provides content linked to various information included in the QR code.

5. In paragraph 4, The above-mentioned guidance device for the visually impaired additionally includes an information processing unit that analyzes information contained in a QR code recognized by the camera and provides various information to the visually impaired. A visually impaired information guidance system using a Braille block for visually impaired guidance with a QR code displayed, characterized in that the above information processing unit includes a route guidance unit that analyzes the information contained in the QR code and guides the visually impaired person to the route to the destination.

6. In paragraph 5, The above-mentioned path guidance unit includes an entry direction analysis module that distinguishes the entry direction of a visually impaired person based on the location of the QR code recognized by the camera on the Braille block, a movement path analysis module that distinguishes the movement path of a visually impaired person based on the order of the QR codes recognized by the camera, and a movement information guidance module that guides the visually impaired person to the next movement information based on the movement path analyzed by the movement path analysis module and the entry direction to the current Braille block analyzed by the entry direction analysis module. A visually impaired information guidance system using a Braille block for guidance of the visually impaired on which a QR code is displayed.

7. In paragraph 6, The above movement information guidance module is characterized in that, when calculating a route to guide the next movement information to the destination for the visually impaired, it precisely calculates the route by correcting the difference between the GPS location value among the QR code information recognized by the camera and the GPS location value received from the visually impaired guidance device, and is a visually impaired information guidance system using a Braille block for guidance for the visually impaired with a QR code displayed thereon.

8. In paragraph 6, The above central server includes a Braille block feedback section that analyzes and provides Braille block-related modifications that need to be made based on feedback information from the above path guidance section. The Braille block feedback unit includes a Braille block position feedback module that analyzes whether an actual visually impaired person has moved to the guided Braille block or entered in the correct direction through the entry direction analysis module or the movement path analysis module in comparison with the movement information provided through the movement information guidance module, and analyzes and provides the necessary corrections to the position of the Braille block, and a QR code information feedback module that analyzes the movement path of an actual visually impaired person through the movement path analysis module in comparison with the movement information provided through the movement information guidance module, and analyzes and provides the necessary corrections to QR code information included in the Braille block. A visually impaired information guidance system using a Braille block for guiding the visually impaired with a QR code displayed thereon.

9. In paragraph 5, A visually impaired information guidance system using a Braille block for guiding the visually impaired with a QR code, characterized in that the above information processing unit additionally includes a customized information provision unit that provides customized information for the visually impaired person based on information related to the visually impaired person and information included in the QR code or content provided through the central server.

10. In paragraph 9, The above-mentioned customized information provision unit includes an input information analysis module that analyzes information provided by a visually impaired person, such as tastes or interests, a user analysis module that analyzes information of interest to the visually impaired person based on information of frequently visited destinations by the visually impaired person through the route guidance unit, and a customized information provision module that selects and provides customized information suitable for the visually impaired person from among information included in the QR code or content provided through the central server based on information analyzed and provided through the input information analysis module and the user analysis module. A visually impaired information guidance system using a Braille block for guidance to the visually impaired with a QR code displayed thereon.

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