CN102798388A - Blind person supermarket shopping auxiliary device based on DSP (Digital Signal Processor) - Google Patents
Blind person supermarket shopping auxiliary device based on DSP (Digital Signal Processor) Download PDFInfo
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- CN102798388A CN102798388A CN2012102058949A CN201210205894A CN102798388A CN 102798388 A CN102798388 A CN 102798388A CN 2012102058949 A CN2012102058949 A CN 2012102058949A CN 201210205894 A CN201210205894 A CN 201210205894A CN 102798388 A CN102798388 A CN 102798388A
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Abstract
The invention provides a blind person supermarket shopping auxiliary device based on a DSP (Digital Signal Processor), comprising a capturing unit, a DSP processing unit and a prompting unit, wherein the capturing unit is used for capturing environment information in a supermarket and converting the environment information into a digital signal; the DSP processing unit is used for processing the digital signal corresponding to the environment information to obtain a processing signal corresponding to the environment information; and the prompting unit is used for sending out a prompt to a blind person according to the processing signal to help the blind person to shop. The DSP is used as a main judging processor of a supermarket environment. Compared with the traditional embedded type processor, the DSP has the special advantages on a signal processing aspect and the complicated supermarket environment can be rapidly and effectively judged, so that the calculation speed and the instantaneity of the system are enhanced.
Description
Technical field
The present invention relates to the blind-guide device in a kind of detection technique field, relate in particular to the shopping servicing unit of assisting blind accessible independent shopping in large supermarket.
Background technology
The external information that the ordinary people obtains through vision accounts for more than 80%, because vision suffers damage, blind person's life exists many restrictions.Estimate have in the world at present to surpass 4,000 ten thousand blind person according to the World Health Organization (WHO), wherein the overwhelming majority can't be cured through medicine or operation method.For helping the blind person to overcome the blind difficulty of bringing, improve the blindman quality, numerous scientists endeavour the exploitation of blind person's supplementary instrument.Paying attention to blind person's difficulty in life and make great efforts solution, expressed the humanistic care of society to disadvantaged group, also is socially harmonious embodiment.
Along with urbanization, development of modernization, the supermarket becomes the important place of people's shopping because type of merchandize is abundant, and picking commodities freely makes things convenient for.Traditional blind person guiding device of walking mainly is to walk to provide auxiliary to the blind person in comparatively spacious road, and in the supermarket, using has certain limitation.Blind man's stick use meeting in the supermarket causes comparatively frequent collision to shelf and commodity; And seeing-eye dog is kept outside of the door by most supermarket owing to many considerations such as health and safety.For the blind person, in bigger spatial dimension and various commodity, pick out the commodity that oneself need, independently accomplish shopping, be unusual difficulty.
All there is certain limitation in the solution of existing assisting blind supermarket shopping.Be called in " supermarket blindmen intelligent shopping guide system " No. 200710046018.5 scheme that Chinese patent disclosed like name, need carry out a large amount of transformation in early stage, on the ground in supermarket, lay black line, greatly define blind person's action route the supermarket.And for example name No. 200910045063.8 Chinese patent being called " based on the blind in supermarket shopping guide method and the device of bar code identification " proposed the scheme of using bar code to discern as sign, only solved the problem that the approximate region of commodity is judged.Scheme that has even the sign that need add special assisting blind identification for each commodity, as far as the supermarket, manpower and resources costs are very high, are difficult to promote the use of.
To sum up, the solution that does not still have the independent shopping in large supermarket of perfect assisting blind at present.
Summary of the invention
The present invention is directed to the problem of " shopping is difficult " that present blind person runs in the supermarket, provide a cover omnibearing solution, help to solve the problem that the blind person possibly run in the supermarket, make that the blind person is independent to carry out supermarket shopping without barrier and become possibility.
In order to reach above-mentioned purpose, the invention provides a kind of blind in supermarket shopping servicing unit based on DSP, comprise capture unit, it catches the environmental information of blind person in the supermarket, and converts said environmental information into digital signal; The DSP processing unit, it is handled with the corresponding digital signal of environmental information said, to obtain and the corresponding processing signals of said environmental information; Tip element, it sends prompting according to said processing signals to the blind person, to help its shopping.
Among some embodiment, said capture unit is a range finder module, in the preset range in its place ahead of said range finder module judgement, whether barrier is arranged; And said Tip element is a vibrating device; It can vibrate according to said DSP processing unit control; Wherein when having barrier in the preset range in its place ahead of said range finder module judgement; This result of determination is sent to said DSP processing unit, and said DSP processing unit controls said vibrating device according to this result of determination and vibrates, so that the blind person is pointed out.
Among some embodiment, said range finder module is infrared or the supersonic sounding module.
Among some embodiment, said capture unit is an image capture module, its catch be provided with in advance with the corresponding image identification of said environmental information to generate the image identification digital signal; Said Tip element is a voice suggestion equipment; It can send voice according to the control of said DSP processing unit; Wherein capture said image identification with after generating the image identification digital signal when said image capture module; Said image identification digital signal is sent to said DSP processing unit; And said DSP processing unit converts said image identification digital signal into voice signal according to predefined definition, and controls and saidly send and the corresponding voice of said voice signal with the voice prompt facility, so that the blind person is pointed out.
Among some embodiment; Can said supermarket be divided into different zones, and make said image identification corresponding, thus with each zone; The information that said color fringe comprised can be the territorial classification information of commodity, or representes the indicative sign of feature locations such as outlet.
Among some embodiment, said image identification comprises characteristic image, so that the image energy that image capture module is obtained is judged the position whether the color-bar sign exists and belong to rapidly.
Among some embodiment, said capture unit is infrared bar code scanning module, and it catches bar code on commodity forming the bar code number signal, and said signal is sent to said DSP processing unit; Said Tip element is a voice alerting unit; It can send voice according to the control of said DSP processing unit; Wherein, When said infrared bar code scanning module captures said bar code with after generating the bar code number signal, said bar code number signal is sent to said DSP processing unit, and said DSP processing unit converts said bar code signal into voice signal according to predefined information of goods information data storehouse; And control and saidly send and the corresponding voice of said voice signal with the voice prompt facility, so that the blind person is pointed out.
Among some embodiment, said information of goods information data library storage perhaps in the server in supermarket, conducts interviews via wireless network for said DSP processing unit in said DSP processing unit.
Among some embodiment, comprise aforementioned capture unit and Tip element.
Among some embodiment, said capture unit, the DSP processing unit, and said Tip element can divide and is arranged.
With the main decision processor of DSP as the supermarket environment.Compare traditional flush bonding processor, DSP has its distinctive advantage aspect signal Processing, can carry out the supermarket environment of complicacy effectively judging rapidly, has strengthened the arithmetic speed and the real-time of system.
In conjunction with accompanying drawing, can know other aspects of the present invention and advantage according to the description of passing through example description purport of the present invention of hereinafter.
Description of drawings
In conjunction with accompanying drawing, through the detailed description of stating of hereinafter, can more be expressly understood above-mentioned and other feature and advantage of the present invention, wherein:
Fig. 1 is the calcspar according to blind in supermarket shopping servicing unit of the present invention;
Fig. 2 is the structural representation according to capture unit of the present invention;
Fig. 3 is the structural representation according to Tip element of the present invention;
Fig. 4 is the user mode synoptic diagram according to blind in supermarket shopping servicing unit of the present invention.
Embodiment
Referring to the accompanying drawing that the embodiment of the invention is shown, hereinafter will be described the present invention in more detail.Yet the present invention can be with many multi-form realizations, and should not be construed as the restriction of the embodiment that receives in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes the technician in present technique field understand scope of the present invention fully.In these accompanying drawings, for clarity sake, possibly amplify the size and the relative size in layer and zone.
Description is described the embodiment according to the blind in supermarket shopping servicing unit based on DSP according to the present invention in detail.
As shown in Figure 1, comprise capture unit according to the blind in supermarket of embodiment of the invention shopping servicing unit, it catches the environmental information of blind person in the supermarket, and converts said environmental information into digital signal.Capture unit can be caught blind person's at one's side environmental information in the supermarket, and converts environmental information into digital signal, handles for DSP and handles (hereinafter will detail) according to said digital signal.
Blind in supermarket shopping servicing unit also comprises the DSP processing unit, and it is handled with the corresponding digital signal of environmental information said, to obtain and the corresponding processing signals of said environmental information.The present invention is based on the comprehensive supermarket assisting blind shopping solution of digital signal processing (Digital Signal Processor is called for short DSP).Use the core processor of DSP, accomplish I/O management and allotment signal as system.
Blind in supermarket shopping servicing unit also comprises Tip element, and it sends prompting according to said processing signals to the blind person, to help its shopping.Said Tip element can be pointed out the blind person in many ways, does shopping to help it.
The capture unit of blind in supermarket shopping servicing unit comprises in order to keeping away the range finder module of barrier, in order to catching the image capture module of image identification, and/or in order to the infrared bar code scanning module of scan items information.Hereinafter will detail.
The Tip element of blind in supermarket shopping servicing unit comprises the voice suggestion equipment that can send voice according to the vibrating device that vibration takes place in said DSP processing unit control according to the control of said DSP processing unit.Hereinafter will detail
In the present embodiment, said capture unit is a range finder module, in the preset range in its place ahead of said range finder module judgement, whether barrier is arranged.Said Tip element is a vibrating device, and it can vibrate according to said DSP processing unit control.When having barrier in the preset range in its place ahead of said range finder module judgement; This result of determination is sent to said DSP processing unit; And said DSP processing unit is controlled said vibrating device according to this result of determination and is vibrated, so that the blind person is pointed out.
Particularly, said range finder module comprises infrared or the supersonic sounding module.Can settle ultrasonic or infrared distance measurement module at the shopping cart front end, when the distance of the barrier in shopping cart the place ahead and range finder module arrives certain threshold value, range finder module will send signal to DSP, and DPS points out the user through the vibration of controlling handrail then.
Among another embodiment, said capture unit is an image capture module, its catch be provided with in advance with the corresponding image identification of said environmental information to generate the image identification digital signal.Said Tip element voice suggestion equipment, it can send voice according to the control of said DSP processing unit.When said image capture module captures said image identification with after generating the image identification digital signal; Said image identification digital signal is sent to said DSP processing unit; And said DSP processing unit converts said image identification digital signal into voice signal according to predefined definition; And control and saidly send and the corresponding voice of said voice signal with the voice prompt facility, so that the blind person is pointed out.
In the preferred embodiment, can said supermarket be divided into different zones, and make said image identification corresponding with each zone.Thus, the information that said color fringe comprised can be the territorial classification information of commodity, or representes the indicative sign of feature locations such as outlet.
In the preferred embodiment, said image identification comprises characteristic image, so that the image energy that image capture module is obtained is judged the position whether the color-bar sign exists and belong to rapidly.
In the commodity subregion of supermarket, add image identification in advance; Image capture module through being integrated on the helmet is obtained image, through the processing of DSP, extracts the eigenwert of image identification; Definition through in advance converts voice signal into, uses the residing commodity partition information of earphone prompting user.
Among another embodiment, said capture unit also comprises infrared bar code scanning module, and it catches bar code on commodity forming the bar code number signal, and said signal is sent to said DSP processing unit.Said Tip element is a voice alerting unit, and it can send voice according to the control of said DSP processing unit.When said infrared bar code scanning module captures said bar code with after generating the bar code number signal; Said bar code number signal is sent to said DSP processing unit; And said DSP processing unit converts said bar code signal into voice signal according to predefined information of goods information data storehouse; And control and saidly send and the corresponding voice of said voice signal with the voice prompt facility, so that the blind person is pointed out.For example, can convert the pairing trade name of bar code into voice messaging through literal-speech conversion.
In the preferred embodiment, said information of goods information data library storage perhaps in the server in supermarket, conducts interviews via wireless network for said DSP processing unit in said DSP processing unit.
The restriction of the embodiment that said capture unit of the present invention does not receive preceding text and proposed, but can specifically be provided with according to practical application.One skilled in the art will understand that said capture unit of the present invention can comprise range finder module, image capture module, reach in the infrared bar code scanning module, perhaps their combination.In other words; The capture unit of said blind in supermarket shopping servicing unit can comprise in order to keep away the range finder module of barrier; In order to catching the image capture module of image identification, and/or one or more, as shown in Figure 2 in order in the infrared bar code scanning module of scan items information.And said capture unit also can be the equipment of other any capture ring environment informations.
Said prompting of the present invention does not receive the restriction of preceding text, but can specifically be provided with according to practical application.But one skilled in the art will understand that in said prompting involving vibrations device of the present invention and the voice suggestion equipment, perhaps their combination.In other words, but the capture unit involving vibrations device of said blind in supermarket shopping servicing unit can send one or more in the voice suggestion equipment of voice according to the control of said DSP processing unit, and is of Fig. 3.And said prompting also can be other any equipment that can point out.
As previously mentioned, said capture unit, the DSP processing unit, and said Tip element can divide and is arranged.For example, can the carrier that adopt the shopping cart and the supporting helmet to unite as said blind in supermarket shopping servicing unit be integrated in shopping cart with main part, place the video image capture module at helmet place.Through the DSP calculation process, the information that input system is obtained is converted into sound and vibration signal, passes to the user.
Refer now to Fig. 4 the instance of statement according to the said blind in supermarket shopping servicing unit of the embodiment of the invention is detailed.
As shown in Figure 4, consider in the overall design that system core part itself has certain weight, therefore main part (comprise the DSP processing unit, bar code is swept module) is integrated on the shopping cart in supermarket and carries out, reduce the pressure in user's heavy burden.In this instance, the main part of integrated dsp processor and infrared ray bar code module is represented with label 2, should be understood that it comprises a plurality of modules.
The equipment that weight is lighter (comprising camera, earphone) then is integrated in the light helmet 4.The helmet 4 can avoid collision that blind person's head is caused damage, camera is integrated in the helmet 4 can makes the blind person can scan environment on every side through simple rotary head.
Ultrasonic or the infrared distance measurement module 1 that use is installed in the front end of shopping cart detects the pedestrian and the barrier in blind person the place ahead.When range finder module 1 detects when in the 1m barrier being arranged, send alarm signal to the DSP processing unit at once, after the DSP processing unit received alarm signal, the slight vibration of the vibration unit 3 at control shopping cart handle place notified the blind person in time to stop.Both avoided the infringement of the collision of blind person and barrier, and also avoided blind person's shopping cart to collide other clients, for other clients' shopping impacts the blind person.
Use image identification and video capture module (not shown) to cooperate, point out the blind person residing environment.At first the full position in the commodity subregion in supermarket is puted up the color fringe that comprises the good information of predefine, and the information that color fringe comprises can be the territorial classification information of commodity, also can be the indicative sign that the expression outlet waits feature locations.When the blind person is equipped with this system and in the supermarket, walks; Video capturing device on the helmet 4 is constantly sent the image that collects into the DSP processing unit and is analyzed; When the DSP processing unit detects the characteristic area that comprises color fringe in the image; Extract the condition code of this striped, and with in advance definition contrast.When finding qualified colour barcode, the partition information of this colour barcode representative is informed the user through earphone.
Use comprehensive infrared scan module, the information of target commodity is analyzed.Built-in comprehensive infrared scan platform on shopping cart can not need to scan the bar code that obtains commodity under the situation of accurately aiming at.After the user picks up commodity, can put it on the scanning platform, the infrared scan platform is through the condition code of the commodity of reading bar code acquisition, and the database in connection supermarket, obtains the concrete title of commodity, and necessary informations such as price are informed the user through earphone.
Whole shopping auxiliary system makes blind person's accessible walking under this complex environment of supermarket become possibility, helps the blind person to carry out location, identification and the identification of commodity simultaneously.Make the blind person independently do shopping and become possibility in the supermarket.
The present invention has following advantage.
(1) will the do shopping main body of servicing unit of the present invention is integrated on the shopping cart; The blind person only need wear the lighter helmet of weight can use whole system; And the helmet can play the effect of protection blind person head simultaneously, and whole system does not hinder acting on one's own of blind person is basic.
(2) use the main decision processor of DSP as the supermarket environment.Compare traditional flush bonding processor, DSP has its distinctive advantage aspect signal Processing, can carry out the supermarket environment of complicacy effectively judging rapidly, has strengthened the arithmetic speed and the real-time of system.
(3) the present invention can not bring the extra work amount for the supermarket.The supermarket only need be equipped with the design's the shopping cart and the helmet, and is that the commodity zone adds image identification in advance once, can accomplish the configuration of whole system.Avoided increasing the huge workload of blind person's specific identity, and because most of commodity are not to be bought by the blind person, these workloads are invalid probably for each part commodity.
(4) use existing mature infrared bar code scanning system to obtain the bar code of commodity,, can guarantee that the commodity that the blind person puts into shopping cart are correct with this final decision information as commodity.
Because of should be understood that the present invention, the technician in present technique field can realize not breaking away from the spirit or scope of the present invention with many other concrete forms.Although described embodiments of the invention already, the present invention should be understood and these embodiment should be restricted to, the technician in present technique field can like enclosed to make within the spirit and scope of the invention that claims define and change and revise.
Claims (10)
1. the blind in supermarket shopping servicing unit based on DSP is characterized in that, comprising:
-capture unit, it catches the environmental information of blind person in the supermarket, and converts said environmental information into digital signal;
-DSP processing unit, it is handled with the corresponding digital signal of environmental information said, to obtain and the corresponding processing signals of said environmental information;
-Tip element, it sends prompting according to said processing signals to the blind person, to help its shopping.
2. servicing unit according to claim 1 is characterized in that, said capture unit is a range finder module, in the preset range in its place ahead of said range finder module judgement, whether barrier is arranged; And said Tip element is a vibrating device; It can vibrate according to said DSP processing unit control; Wherein when having barrier in the preset range in its place ahead of said range finder module judgement; This result of determination is sent to said DSP processing unit, and said DSP processing unit controls said vibrating device according to this result of determination and vibrates, so that the blind person is pointed out.
3. servicing unit according to claim 2 is characterized in that, said range finder module is infrared or the supersonic sounding module.
4. servicing unit according to claim 1 is characterized in that, said capture unit is an image capture module, its catch be provided with in advance with the corresponding image identification of said environmental information to generate the image identification digital signal; Said Tip element is a voice suggestion equipment; It can send voice according to the control of said DSP processing unit; Wherein capture said image identification with after generating the image identification digital signal when said image capture module; Said image identification digital signal is sent to said DSP processing unit; And said DSP processing unit converts said image identification digital signal into voice signal according to predefined definition, and controls and saidly send and the corresponding voice of said voice signal with the voice prompt facility, so that the blind person is pointed out.
5. servicing unit according to claim 4; It is characterized in that; Can said supermarket be divided into different zones, and make said image identification corresponding, thus with each zone; The information that said color fringe comprised can be the territorial classification information of commodity, or representes the indicative sign of feature locations such as outlet.
6. according to each described servicing unit in the claim 4～5, it is characterized in that said image identification comprises characteristic image, so that the image energy that image capture module is obtained is judged the position whether the color-bar sign exists and belong to rapidly.
7. servicing unit according to claim 1 is characterized in that, said capture unit is infrared bar code scanning module, and it catches bar code on commodity forming the bar code number signal, and said signal is sent to said DSP processing unit; Said Tip element is a voice alerting unit; It can send voice according to the control of said DSP processing unit; Wherein, When said infrared bar code scanning module captures said bar code with after generating the bar code number signal, said bar code number signal is sent to said DSP processing unit, and said DSP processing unit converts said bar code signal into voice signal according to predefined information of goods information data storehouse; And control and saidly send and the corresponding voice of said voice signal with the voice prompt facility, so that the blind person is pointed out.
8. servicing unit according to claim 7 is characterized in that, said information of goods information data library storage perhaps in the server in supermarket, conducts interviews via wireless network for said DSP processing unit in said DSP processing unit.
9. servicing unit according to claim 1 is characterized in that, comprises like claim 1, and 4, or 7 described capture unit and Tip elements.
10. servicing unit according to claim 1 is characterized in that, said capture unit, and the DSP processing unit, and said Tip element can divide and is arranged.
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| CN2012102058949A CN102798388A (en) | 2012-06-20 | 2012-06-20 | Blind person supermarket shopping auxiliary device based on DSP (Digital Signal Processor) |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104268497A (en) * | 2014-09-18 | 2015-01-07 | 国家电网公司 | Information prompt device allowing the blind to do shopping conveniently in supermarket |
| CN104535059A (en) * | 2014-12-04 | 2015-04-22 | 上海交通大学 | Indoor positioning system specific to totally blind population |
| CN106289254A (en) * | 2016-07-18 | 2017-01-04 | 乐视控股（北京）有限公司 | Air navigation aid and device |
| CN107307691A (en) * | 2017-08-25 | 2017-11-03 | 刘建军 | A kind of supermarket's blindmen intelligent shopping guide system |
| TWI606412B (en) * | 2016-07-28 | 2017-11-21 | 馮嘉慧 | Autonomic shopping system for visually impaired |
| CN107454964A (en) * | 2016-12-23 | 2017-12-08 | 深圳前海达闼云端智能科技有限公司 | A kind of commodity recognition method and device |
| CN107479559A (en) * | 2017-09-22 | 2017-12-15 | 中国地质大学（武汉） | A kind of market blindmen intelligent shopping guide system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101427969A (en) * | 2008-12-18 | 2009-05-13 | 苏州莱迪斯特电子有限公司 | Blind guiding system and method based on Chinese character recognition |
| CN101474020A (en) * | 2009-01-08 | 2009-07-08 | 上海交通大学 | Shopping guide method and apparatus for blind in supermarket based on bar code identification |
| CN101524220A (en) * | 2009-03-25 | 2009-09-09 | 胡志超 | Method for blind persons self-help shopping and device thereof |
| CN201741165U (en) * | 2010-07-15 | 2011-02-09 | 唐科琼 | Wrist type self-help shopping device for blind person |
-
2012
- 2012-06-20 CN CN2012102058949A patent/CN102798388A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101427969A (en) * | 2008-12-18 | 2009-05-13 | 苏州莱迪斯特电子有限公司 | Blind guiding system and method based on Chinese character recognition |
| CN101474020A (en) * | 2009-01-08 | 2009-07-08 | 上海交通大学 | Shopping guide method and apparatus for blind in supermarket based on bar code identification |
| CN101524220A (en) * | 2009-03-25 | 2009-09-09 | 胡志超 | Method for blind persons self-help shopping and device thereof |
| CN201741165U (en) * | 2010-07-15 | 2011-02-09 | 唐科琼 | Wrist type self-help shopping device for blind person |
Non-Patent Citations (3)
| Title |
|---|
| KOBAYASHI, M ET AL.: "Walking guide system for the visually impaired by using three-dimensional sound", 《IEEE SMC "99 CONFERENCE PROCEEDINGS》 * |
| 林道: "盲人在超级市场购物有了好帮手", 《交电商品科技情报》 * |
| 陈美銮等: "智能盲人导行仪的设计与实现", 《电子技术应用》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104268497A (en) * | 2014-09-18 | 2015-01-07 | 国家电网公司 | Information prompt device allowing the blind to do shopping conveniently in supermarket |
| CN104535059A (en) * | 2014-12-04 | 2015-04-22 | 上海交通大学 | Indoor positioning system specific to totally blind population |
| WO2016086441A1 (en) * | 2014-12-04 | 2016-06-09 | 上海交通大学 | Indoor positioning system for totally blind population |
| CN106289254A (en) * | 2016-07-18 | 2017-01-04 | 乐视控股（北京）有限公司 | Air navigation aid and device |
| TWI606412B (en) * | 2016-07-28 | 2017-11-21 | 馮嘉慧 | Autonomic shopping system for visually impaired |
| CN107454964A (en) * | 2016-12-23 | 2017-12-08 | 深圳前海达闼云端智能科技有限公司 | A kind of commodity recognition method and device |
| WO2018112930A1 (en) * | 2016-12-23 | 2018-06-28 | 深圳前海达闼云端智能科技有限公司 | Method and device for identifying commodities |
| CN107307691A (en) * | 2017-08-25 | 2017-11-03 | 刘建军 | A kind of supermarket's blindmen intelligent shopping guide system |
| CN107479559A (en) * | 2017-09-22 | 2017-12-15 | 中国地质大学（武汉） | A kind of market blindmen intelligent shopping guide system and method |
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Application publication date: 20121128 |