CN101806599A - Intelligent blind-guiding method - Google Patents
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- CN101806599A CN101806599A CN 201010118105 CN201010118105A CN101806599A CN 101806599 A CN101806599 A CN 101806599A CN 201010118105 CN201010118105 CN 201010118105 CN 201010118105 A CN201010118105 A CN 201010118105A CN 101806599 A CN101806599 A CN 101806599A
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Abstract
The invention discloses an intelligent blind-guiding method, which includes the following steps that: a voice identification module receives voice information inputted by a user, which contains destination address information; a radio frequency identification module identifies address information in radio frequency identification labels prearranged on a blind sidewalk; according to the destination address information in the voice information and the address information in the radio frequency identification labels, path information is matched for a user; a voice processing module carries out voice synchronization for the path information, and the path information is outputted to the user in the form of voice. The implementation of the embodiment can more conveniently provide guide for blind people, so that blind users can avoid waling longer distance and bumping into barriers, and therefore can quickly reach destinations.
Description
Technical field
The invention belongs to the Automatic Detection and Control technical field.Specifically, relate to a kind of technology such as radio-frequency (RF) identification, phonetic synthesis of utilizing and realized blind-guiding method in the family room.
Background technology
People's most information in life process all obtains by vision, and the blind person has lost vision, and this work to them, life, study etc. have brought inconvenience.Need the auxiliary of blind-guide device when therefore, the blind person walks alone.Wherein, the simplest the most frequently used device is a blind man's stick, knock ground by it and judge the landform of position of process and whether dangerous, the electronics blind man's stick had appearred again afterwards, it utilizes infrared sensing electronic technology and ultrasonic technology to prolong investigative range, but the scope of their energy perception is all very limited, still can not play the effect of guiding.In addition, be layered on the road surface by the blind-guide brick that some is had protrusion, the blind person can lean on the sense of touch of sole to walk according to the secure path of appointment, but also can't point out to determine the path effectively.
Along with the development of technology, various (Global Positioning System, blind-guide device GPS) arises at the historic moment based on Global Positioning System (GPS).It is to rely on satellite to determine user's present located position, and cooperates corresponding algorithm to provide the suitable path of user.But because the distance on satellite and ground differs greatly, and people's traveling distance is compared with it and can be ignored sometimes, so the bearing accuracy of this device is not very high, especially can't tell the user by environment on every side.In the time of in the user is in family room, because the complicacy of environmental change, gps signal is intercepted and not have specially at indoor factors such as GPS map, and this blind-guide device is cisco unity malfunction just.
Domestic most blind-guide device all is at outdoor large area space at present, and these install indoor and inapplicable.Therefore need a kind ofly can judge that indoor whether the place ahead has obstacle and whether can pass through, and can provide the intelligent blind guiding system of more home environments and terrain information again to the blind person.
Summary of the invention
The purpose of this invention is to provide a kind of based on intelligent blind-guiding method in the family room of REID, can not only provide detailed landform and complaint message on every side to blind users, and can be so that the blind person under the help that does not have other people, can arrive the designated destination safely, accurately and rapidly.
In order to realize foregoing invention, the embodiment of the invention provides a kind of intelligent blind-guiding method, and described method comprises:
Receive the voice messaging that the user imports by sound identification module, contain destination address information in the described voice messaging;
Set in advance address information in the RFID tag on the sidewalk for visually impaired people by radio frequency identification module identification;
Mate routing information according to the address information in destination address information in the described voice messaging and the described RFID tag for the user;
By carrying out phonetic synthesis, and give the user with described routing information by voice output by speech processing module.
Correspondingly, describedly mate routing information according to the address information in destination address information in the described voice messaging and the described RFID tag for the user and comprise: when matching mulitpath according to the address information in destination address information in the described voice messaging and the described RFID tag, computing is carried out in described path, the routing information that mate as the user in the path of the best of selection.
Correspondingly, described method also comprises: after the address information that identifies by radio frequency identification module in the RFID tag that sets in advance on the sidewalk for visually impaired people, judge that the address information in the described RFID tag is consistent with destination address information; If judge address information in the described RFID tag when consistent, then finish this intelligent blind-guiding with destination address information; If judge address information in the described RFID tag and destination address information when inconsistent, then mate routing information for the user according to the address information in destination address information in the described voice messaging and the described RFID tag.
Blind guiding system in the embodiment of the invention is stored in a certain fixed point and environmental information on every side thereof in the RFID tag that is placed on this point, when being equipped with within the radio-frequency region that blind man's stick that radio frequency sets module enters each RFID tag when the blind users band, the main control module just can receive the information that sends over from radio frequency identification module.The main control module is converted into voice signal by speech processing module with information and exports the user to after information is handled, and the landform that the user should be located by perception of sound changes and object on every side, just can judge the environmental area at user self place this moment.After the information of main control module reception from RFID tag and sound identification module, indoor environment and structural information according to the data that obtain and storage itself, again in conjunction with path optimization's algorithm, obtain optimal path scheme between a current location and the destination and the sequence label in this path, send the main control module to certain data layout then.Use the optimized choice in path, make blind users avoid away more distance and run into barrier, carry out to arrive the destination apace.Owing to adopt speech-sound synthesizing function among the embodiment, can be converted into the voice of standard smoothness from any Word message that control module sends in real time, phonetic synthesis module in the native system can be carried out linguistics, the rhythm and acoustic treatment with the indoor information of complexity and routing information and is converted into voice messaging clearly, and complicated and object variation often is put and terrain environment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the realization intelligent blind guiding system in the embodiment of the invention.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
Accordingly, realizing the method for intelligent blind-guiding in the embodiment of the invention, mainly is the voice messaging that receives user's input by sound identification module, contains destination address information in this voice messaging; Set in advance address information in the RFID tag on the sidewalk for visually impaired people by radio frequency identification module identification; Mate routing information according to the address information in destination address information in the described voice messaging and the described RFID tag for the user; By carrying out phonetic synthesis, and give the user with described routing information by voice output by speech processing module.
Further, when matching mulitpath, need carry out computing, the routing information that mate as the user in the path of the best of selection to described path according to the address information in destination address information in the voice messaging and the described RFID tag.
Further, after the address information that identifies by radio frequency identification module in the RFID tag that sets in advance on the sidewalk for visually impaired people, judge that the address information in the described RFID tag is consistent with destination address information; If judge address information in the described RFID tag when consistent, then finish this intelligent blind-guiding with destination address information; If judge address information in the described RFID tag and destination address information when inconsistent, then mate routing information for the user according to the address information in destination address information in the described voice messaging and the described RFID tag.
Concrete, Fig. 1 shows the concrete processing flow chart in the embodiment of the invention, is that example describes with the home intelligent guide here, may further comprise the steps:
S401: beginning;
S402: each module initialization;
After whole intelligent blind guiding system powers up, each module is carried out initialization;
S403: the RFID tag that radio-frequency module identification is nearest, sound identification module read the instruction of customer objective ground;
Concrete, reader in the radio frequency identification module sends the radiofrequency signal of certain frequency towards periphery by emitting antenna, reader in the radio frequency identification module reads the address information of nearest label storage, carry out the demodulation sign indicating number and be sent to the main control module, in this step, the user can send the destination instruction by sound identification module, and this module receives phonetic order information and is translated into the text identification sign indicating number through a series of treatment step, and is sent to the main control module.Need to prove that radio frequency identification module identification address information and user are not have sequencing by sound identification module reception destination instruction in this step, can be by carrying out; Also can be the address information of obtaining the user place earlier, receive the destination instruction again; Or receive the destination instruction earlier, obtain the address information at user place again.
S404: address information in the main control module received RF identification label and the destination address information in the sound identification module;
In this step, read nearest label in the reader of main control module from radio frequency identification module, and be this label initial node, read the destination information in the sound identification module simultaneously, do then suitably to handle.
S405: calculating path information;
In this step, the main control module is extracted family room's inner structure and the environmental data that is stored in this machine data storehouse according to original tag information and destination information, and the path is calculated.
S406: obtain optimal path, obtain method of advance;
These information of main control module synthesis are utilized path optimal selection algorithm, obtain an optimal path scheme to the destination, and in the path the sequence label of process, each place, label place therein, the optimal path scheme all has a method of advancing.After obtaining optimal path, main control module synthesis position label and optimal path scheme, whether correct, analyze the method for advance at this label position place on the other hand if checking loca on the one hand, comprise concrete direction and distance etc.If loca is correct, just the method for advance of this label information and this position is sent to the phonetic synthesis module with text mode, otherwise with miscue and herein the information of label write text, and issue the phonetic synthesis module equally.
S407: carry out phonetic synthesis;
In this step, speech processing module receives after the text data, is converted into the mandarin pronunciation signal of standard through linguistics, metrics and acoustic treatment.
S408: voice output;
In this step, speech processing module is amplified voice signal according to the fitness of environment at scene after obtaining synthesized voice signal, and it is sent to blind users by earphone or loudspeaker, blind users is after obtaining voice suggestion, and beginning is walked forward according to fixed route.
S409: radio frequency identification module receives next label data and transfers to the main control module parses;
In this step, when blind users arrived in the radio-frequency region of next label, label was activated, and reader receives the information of this label, and sends the main control module to.The main control module judges at first whether this label position is the destination, if not, change S406 over to, otherwise finish this guide flow process.
S410: finish.
Blind guiding system in the embodiment of the invention is stored in a certain fixed point and environmental information on every side thereof in the RFID tag that is placed on this point, when being equipped with within the radio-frequency region that blind man's stick that radio frequency sets module enters each RFID tag when the blind users band, the main control module just can receive the information that sends over from radio frequency identification module.The main control module is converted into voice signal by speech processing module with information and exports the user to after information is handled, and the landform that the user should be located by perception of sound changes and object on every side, just can judge the environmental area at user self place this moment.After the information of main control module reception from RFID tag and sound identification module, indoor environment and structural information according to the data that obtain and storage itself, again in conjunction with path optimization's algorithm, obtain optimal path scheme between a current location and the destination and the sequence label in this path, send the main control module to certain data layout then.Use the optimized choice in path, make blind users avoid away more distance and run into barrier, carry out to arrive the destination apace.Owing to adopt speech-sound synthesizing function among the embodiment, can be converted into the voice of standard smoothness from any Word message that control module sends in real time, phonetic synthesis module in the native system can be carried out linguistics, the rhythm and acoustic treatment with the indoor information of complexity and routing information and is converted into voice messaging clearly, and complicated and object variation often is put and terrain environment.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (3)
1. a method that realizes intelligent blind-guiding is characterized in that, comprising:
Receive the voice messaging that the user imports by sound identification module, contain destination address information in the described voice messaging;
Set in advance address information in the RFID tag on the sidewalk for visually impaired people by radio frequency identification module identification;
Mate routing information according to the address information in destination address information in the described voice messaging and the described RFID tag for the user;
By carrying out phonetic synthesis, and give the user with described routing information by voice output by speech processing module.
2. method according to claim 1 is characterized in that, describedly mates routing information according to the address information in destination address information in the described voice messaging and the described RFID tag for the user and comprises:
When matching mulitpath, computing is carried out in described path, the routing information that mate as the user in the path of the best of selection according to the address information in destination address information in the described voice messaging and the described RFID tag.
3. the method for claim 1 is characterized in that, described method also comprises:
After the address information that identifies by radio frequency identification module in the RFID tag that sets in advance on the sidewalk for visually impaired people, judge that the address information in the described RFID tag is consistent with destination address information;
If judge address information in the described RFID tag when consistent, then finish this intelligent blind-guiding with destination address information; If judge address information in the described RFID tag and destination address information when inconsistent, then mate routing information for the user according to the address information in destination address information in the described voice messaging and the described RFID tag.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010118105 CN101806599A (en) | 2010-02-26 | 2010-02-26 | Intelligent blind-guiding method |
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| CN 201010118105 CN101806599A (en) | 2010-02-26 | 2010-02-26 | Intelligent blind-guiding method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103417363A (en) * | 2013-07-26 | 2013-12-04 | 张晶 | Walking stick |
| CN104335012A (en) * | 2012-06-05 | 2015-02-04 | 苹果公司 | Voice instructions during navigation |
| CN104655127A (en) * | 2015-01-16 | 2015-05-27 | 深圳市前海安测信息技术有限公司 | Indoor blind guiding system based on electronic tags and indoor blind guiding method based on electronic tags |
| CN106482725A (en) * | 2015-09-02 | 2017-03-08 | 杨小虎 | Augmented reality navigation system for blinds |
| CN108387231A (en) * | 2017-12-19 | 2018-08-10 | 广州华途信息科技有限公司 | Indoor blind guiding system based on Bluetooth technology and method |
| CN109991592A (en) * | 2019-04-11 | 2019-07-09 | 上海山流智能科技有限公司 | A kind of navigation system for blinds and air navigation aid |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101076841A (en) * | 2004-12-10 | 2007-11-21 | L·凯特斯 | Management and navigation system for blind |
-
2010
- 2010-02-26 CN CN 201010118105 patent/CN101806599A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101076841A (en) * | 2004-12-10 | 2007-11-21 | L·凯特斯 | Management and navigation system for blind |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104335012A (en) * | 2012-06-05 | 2015-02-04 | 苹果公司 | Voice instructions during navigation |
| CN103417363A (en) * | 2013-07-26 | 2013-12-04 | 张晶 | Walking stick |
| CN103417363B (en) * | 2013-07-26 | 2016-02-24 | 张晶 | Walking stick |
| CN104655127A (en) * | 2015-01-16 | 2015-05-27 | 深圳市前海安测信息技术有限公司 | Indoor blind guiding system based on electronic tags and indoor blind guiding method based on electronic tags |
| CN104655127B (en) * | 2015-01-16 | 2017-08-22 | 深圳市前海安测信息技术有限公司 | Indoor blind guiding system and blind-guiding method based on electronic tag |
| CN106482725A (en) * | 2015-09-02 | 2017-03-08 | 杨小虎 | Augmented reality navigation system for blinds |
| CN108387231A (en) * | 2017-12-19 | 2018-08-10 | 广州华途信息科技有限公司 | Indoor blind guiding system based on Bluetooth technology and method |
| CN109991592A (en) * | 2019-04-11 | 2019-07-09 | 上海山流智能科技有限公司 | A kind of navigation system for blinds and air navigation aid |
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Application publication date: 20100818 |