CN104463393A - Speech-based agricultural product price collection method - Google Patents
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Abstract
The invention relates to a speech-based agricultural product price collection method. The speech-based agricultural product price collection method is characterized in that the method includes the following steps that: a speech command word recognition technology is realized on an embedded system; a collector inputs the names of agricultural products in the form of speech; collection equipment matches the names of more than 200 kinds of commonly-used agricultural products in a lexicon with the names of the agricultural products which are inputted in the form of speech; after the matching is completed, the equipment prompts the collector to input the prices of agricultural products; the collector inputs the prices of corresponding agricultural products; the system performs identification and broadcasting; and after the confirmation of the collector, results are sent to a center end in the form of short messages, so that requirements of the center end, for the query and display of the prices of agricultural products at a current date can be satisfied. According to the speech-based agricultural product price collection method, a stereo dual-channel noise cancellation technology is adopted, so that high-accuracy speech input in a strong noise environment can be realized, and problems brought by wrongly written or mispronounced characters in traditional handwriting and Pinyin input can be effectively solved, and at the same time, acquisition speed of price information can be improved, and the work burden of the collector can be reduced.
Description
Technical field
The present invention relates to a kind of acquisition method of voice-based agricultural product price, the detailed flow process describing this acquisition method and the groundwork of center-side and collection terminal.Collection person carries with collecting device, and phonetic entry Information Monitoring, then sends center-side to, and center-side realizes the reception of information, Storage and Processing showing by rights.
Background technology
The Ministry of Agriculture of China has carried out the collecting work of agricultural product price information already.Price collector generally uses original charting data and reports price step by step and gathers department and the public can only know agricultural product price information by instruments such as televisor, newspaper, radios in the past.But cannot meet current fast-changing market form along with the mode of traditional agricultural product price collection and acquisition of information before being on the increase of develop rapidly produce type of market for farm products.Also there is the realistic problems such as hardware backwardness, resource dispersion, information delay, specific aim and practicality are not strong in this external agricultural product price information acquisition service.Therefore propose a kind of voice-based agricultural product price acquisition method herein, collector can carry with equipment and send the pricing information gathered timely to center-side, and center-side also can send order to collector, gathers agricultural product price.
Summary of the invention
The object of the invention is to design a kind of voice-based agricultural product price acquisition method, the method can realize agricultural product price information reporting that collection terminal gathers the management of collection terminal by center-side to center-side process and displaying.
The invention provides a kind of acquisition method of voice-based agricultural product price, it is characterized in that: in embedded system, achieve voice command words recognition technology, the title of collection person's phonetic entry agricultural product, the agricultural product title that collecting device can be commonly used according to the kind more than 200 in dictionary is mated with the agricultural product title of phonetic entry, after having mated, device prompts collection person inputs the price of agricultural product, the price of the corresponding agricultural product of similarly collection person's phonetic entry, system carries out identifying and reporting, after collection person confirms, just result is sent to center-side with the form of note, meet same day center-side to the inquiry of agricultural product price and displaying, the method is by stereo binary channels noise cancellation technique simultaneously, the phonetic entry under the strong noise environment of high-accuracy can be realized, effectively overcome the wrongly written or mispronounced characters problem of traditional handwriting and Pinyin Input, also improve the picking rate of pricing information simultaneously, the work load of collection person can be alleviated.
Especially, devise an agricultural product price collecting flowchart, the collection of agricultural product price can be realized fast: collector presses " beginning " key according to this flow process, collecting device voice message: the title that please input agricultural product, collection person's phonetic entry agricultural product title, after input, system is mated, collection person presses " confirmation " key, equipment voice message: please agricultural product price be input, the agricultural product price that collection person's phonetic entry is corresponding, system identification is also reported, collection person presses " confirmation " key, whole information is sent to center-side with the form of note by equipment.
Especially, embedded system achieves voice command words recognition technology.Collection person is by the agricultural product title phonetic entry that will gather to collecting device, and the agricultural product title that the kind more than 200 in dictionary can be commonly used according to voice command recognition technology by collecting device is mated with the agricultural product title of phonetic entry.
Especially, by stereo binary channels noise cancellation technique, the phonetic entry under the strong noise environment of high-accuracy can be realized: some market sound are very assorted usually, noise is very strong, collector's phonetic entry agricultural product title in such a case, equipment may do the judgement made mistake, this method adopts stereo binary channels noise cancellation technique, even if also can make correct judgement to the agricultural product title of collector's phonetic entry at noisy environment collecting device like this, equipment can call dictionary information timely.
Especially, agricultural product price information is sent to center-side with the form of note by collecting device, and center-side is shown information.Simultaneously center-side also can the form of note to collection terminal issue an order to inquire about local agricultural product price information, the order of collector's receiving center end, gathers the pricing information of agricultural product to local market.
Especially, center-side realizes the reception of information, Storage and Processing showing by rights.Center-side system mainly contains user management, log management, knowledge base management, collection market management, collecting device management, carries out data display and inquiry, analyzes and early warning and work management etc.Wherein, data display and inquiry are mainly divided into by agricultural product name query, inquire about by acquisition time, by gathering that market is inquired about, fuzzy query and historical price show five parts.By agricultural product name query, by acquisition time inquiry, mainly realize same day collecting device report the real-time display of price data by gathering market inquiry, fuzzy query and the inquiry of historical price display module primary responsibility, display history image data; Analyze with warning module has been responsible for identical product analysis, areal is analyzed, conventional analyze, multianalysis and price expectation five part, be mainly used in by history collection price data anal yzing agricul products price changing trend; Collecting device manages: manage acquisition terminal user profile, realizes the function of newly-increased terminal user, management of end-user; Gather market management: collection market is managed, realize the function such as inquiry, location, editor, deletion gathering market.
Especially, collecting device terminal is mainly divided into data acquisition, historical query, knowledge base and system management four major part.Wherein first data acquisition sends request to server according to current longitude and latitude, and query display is all market informations in current longitude and latitude 1 kilometer range.Gather market information if necessary, then carry out data acquisition; Need the market result carrying out gathering if do not have, redirect increases the market page newly, increases this collection market information, is then saved in server.Carry out the collecting work of data afterwards, after image data, carry out data transmission.Report and submit if collection person will carry out image data first after system is opened, prompting collection person verifies by system, and after logining successfully, data will be sent to server end, if login failure, data send in the mode of note cat; Historical query: for inquiring about the historical record of the Information Monitoring between the time period; Knowledge base: check specific knowledge information, wherein show keyword, particular content etc.; System manages: system management is mainly divided into newly-increased market, market construction, Modify password, SIM card to configure four parts
The acquisition method of voice-based agricultural product price of the present invention, can realize collection person and price be reported timely center-side for the real-time query of center-side and displaying.
Accompanying drawing explanation
Fig. 1 is the center-side functional structure chart in the acquisition method of voice-based agricultural product price of the present invention.
Fig. 2 is the comprehensive inquiry use case relationship figure of the center-side work management module in the acquisition method of voice-based agricultural product price of the present invention.
Fig. 3 is the collecting device functional structure chart in the acquisition method of voice-based agricultural product price of the present invention.
Fig. 4 is the agricultural product price collecting flowchart figure of the collecting device in the acquisition method of voice-based agricultural product price of the present invention.
Embodiment
The acquisition method of voice-based agricultural product price of the present invention is described below in conjunction with accompanying drawing.
Center-side functional structure in the acquisition method of voice-based agricultural product price as shown in Figure 1.Center-side system mainly comprises user management, log management, knowledge base management, collecting device management, gathers market management, carries out data display and inquiry, analyzes and early warning and work management etc.Data display and enquiry module are made up of five parts, inquire about by name of product: undertaken inquiring about by name of product, product hierarchy and show the collection pricing information on the same day; Inquire about by acquisition time: inquire about by acquisition time, and show the collection pricing information on the same day; By collecting region, market inquiry: inquire about and the collection pricing information showing the same day; Fuzzy query: inquire about by name of product, collection date, collecting region, market, price, product hierarchy condition, and show collection agricultural product price information; Historical price is shown: inquire about by name of product, collection date, collecting region, market, price, product hierarchy condition, and shows collection agricultural product price information.
Analyze and be made up of five parts as shown in fig. 1 with warning module: identical product analysis: according to the agricultural product selecting Water demand, select the information such as collecting region, market, acquisition time, the place of production, trading volume, product hierarchy, carry out the analysis of qualified collection price data; Unified regional analysis: according to collection market, the area of selecting Water demand, select the information such as collecting region, market, acquisition time, the place of production, trading volume, product hierarchy, carry out the analysis of qualified collection price data; Conventional to analyze: the analysis condition preserved during identical product, areal are analyzed, carry out calling, rapid data analysis; Multianalysis: by information such as collecting region/market, acquisition time, the place of production, market category, product hierarchy, trading volumes, carry out qualified analysis of data collected; Price expectation: by information such as product, the place of production, title, product hierarchy, collecting region/market, market category, Forecasting Methodology, computing method, historical data scope, predicted time, degree of confidence, carry out the forecast analysis of agricultural product price future trend.
Work management module mainly comprises information interaction: the process of center-side and the mutual photos and sending messages of collection person, and the systems such as data collection task instruction issuing, software upgrading, Data Update that realized by this module commonly use renewal rewards theory.Center-side also comprises geographic information services simultaneously: for user provides concrete market orientation information, can realize amplifying, reduce, roam, full figure, preservation picture, removing, information identification, the function such as comprehensive inquiry, wherein comprehensive inquiry use case relationship figure is as shown in Figure 2: have inside function and comprise attribute query: numbering, title, address, floor area etc. according to input carry out fuzzy/exact matching; Polygon is inquired about: on map, paint polygonal region, the collection market information in inquiry polygon; Rectangle is inquired about: on map, draw rectangular area, the collection market information in inquiry rectangle; Query Result is located: the collection market in Query Result list with locus is carried out to Orientation on map and shown details etc.
Be more than the main functional modules of center-side, introduce the main functional modules of collection terminal below.
Collection terminal forms as shown in Figure 3 by four parts, and wherein system management, comprises market construction: configuration needs to carry out market and the agricultural product information of price collection; Modify password: the login password of amendment system; SIM card configures: the SIM card number of configuration the machine gathers: obtain market information according to longitude and latitude, selects to gather market, carries out agricultural product price data acquisition; Historical query: the historical record of the agricultural product price information in inquiry fixed time section; Knowledge base: carry out KnowledgeBase-query according to key word, check knowledge record.
Wherein data acquisition sends request to server according to longitude and latitude, query display is all market of farm produces information in current longitude and latitude 1 kilometer, then according to demand, look into the data message seeing if there is and will gather market, gathering if necessary is data message, then carry out the collection of data, if do not have, redirect increases the market information page newly, increases market of farm produce information in current longitude and latitude 1 kilometer, is then saved in server.Carrying out the collecting work of data, after image data, carry out the transmission of data, collection person will log in first, and after logining successfully, data will be sent to server end, if login failure, data send in the mode of note cat.
System management module is divided into market construction, Modify password, SIM card to configure three parts.Market construction: configuration needs the market and the agricultural product information that carry out price collection, bag expansion four functions: inquiry, according to the market information within the scope of longitude and latitude inquiry place administrative division, and by market category icon+market name combination display; Check, selected market name checks all agricultural product product informations in market; Increase, select market, increase agricultural product, improve market information; And delete.Modify password: the login password of amendment system; SIM card configures: the SIM card number of configuration the machine.
It is more than the major function introduction of collection terminal, mainly introduce the price collecting flowchart of the collecting device in the acquisition method of voice-based agricultural product price below, as shown in Figure 4: collector's button " beginning ", collecting device voice message: the title that please input agricultural product, collection person's phonetic entry agricultural product title, after input, it can mate with more than 200 kind of agricultural product title in dictionary by system, if the matching result of equipment is consistent with the agricultural product title of collection person's phonetic entry, then collection person presses " confirmation " key, otherwise the title of collection person presses " re-entering " key phonetic entry agricultural product is again until coupling, continue next step, equipment voice message: please agricultural product price be input, the agricultural product price that collection person's phonetic entry is corresponding, system identification is also reported, if the price of recognition of devices is consistent with the price of collector's phonetic entry, collection person presses " confirmation " key, otherwise collection person presses " re-entering " key, re-enters the price of agricultural product until recognition of devices is correct.Continue next step, first equipment produced by network and give center-side, if send unsuccessfully, equipment sends the form with note to center-side.Above this voice-based agricultural product price collecting flowchart well achieves the collection of collector to agricultural product price.
Introduce stereo binary channels noise cancellation technique below in detail.Usually some market of farm produce sound are very assorted, noise is very strong, collector's phonetic entry agricultural product title in such a case, equipment may do the judgement made mistake, or recognition of devices does not go out the title of agricultural product, in order to address this problem, this method adopts stereo binary channels noise cancellation technique, algorithm is strengthened by double-channel pronunciation, eliminate neighbourhood noise, even if so in a noisy environment, collecting device also can make correct judgement to the agricultural product title of collector's phonetic entry, and equipment can call dictionary information timely and mate.
Claims (7)
1. the acquisition method of a voice-based agricultural product price, it is characterized in that: in embedded system, achieve voice command words recognition technology, the title of collection person's phonetic entry agricultural product, the agricultural product title that collecting device can be commonly used according to the kind more than 200 in dictionary is mated with the agricultural product title of phonetic entry, after having mated, device prompts collection person inputs the price of agricultural product, the price of the corresponding agricultural product of similarly collection person's phonetic entry, system carries out identifying and reporting, after collection person confirms, just by result to send to center-side by the form of network or note, meet same day center-side to the inquiry of agricultural product price and displaying, the method is by stereo binary channels noise cancellation technique simultaneously, the phonetic entry under the strong noise environment of high-accuracy can be realized, effectively overcome the wrongly written or mispronounced characters problem of traditional handwriting and Pinyin Input, also improve the picking rate of pricing information simultaneously, the work load of collection person can be alleviated.
2. method according to claim 1, it is characterized in that: devise an agricultural product price collecting flowchart, the collection of agricultural product price can be realized fast: collector presses " beginning " key according to this flow process, collecting device voice message: the title that please input agricultural product, collection person's phonetic entry agricultural product title, after input, system is mated, collection person presses " confirmation " key, equipment voice message: please agricultural product price be input, the agricultural product price that collection person's phonetic entry is corresponding, system identification is also reported, collection person presses " confirmation " key, whole information is sent to center-side with the form of note by equipment.
3. method according to claim 1, is characterized in that: in embedded system, achieve voice command words recognition technology.Collection person is by the agricultural product title phonetic entry that will gather to collecting device, and the agricultural product title that the kind more than 200 in dictionary can be commonly used according to voice command recognition technology by collecting device is mated with the agricultural product title of phonetic entry.
4. method according to claim 1, it is characterized in that: by stereo binary channels noise cancellation technique, the phonetic entry under the strong noise environment of high-accuracy can be realized: some market sound are very assorted usually, noise is very strong, collector's phonetic entry agricultural product title in such a case, equipment may do the judgement made mistake, this method adopts stereo binary channels noise cancellation technique, even if also correct judgement can be made to the agricultural product title of collector's phonetic entry at noisy environment collecting device like this, equipment can call dictionary information timely.
5. method according to claim 1, is characterized in that: collecting device is by agricultural product price information to send to center-side by network or with the form of note, and center-side is shown information.Simultaneously center-side also can the form of note to collection terminal issue an order to inquire about local agricultural product price information, the order of collector's receiving center end, gathers the pricing information of agricultural product to local market.
6. method according to claim 1, is characterized in that: center-side realizes the reception of information, Storage and Processing showing by rights.Center-side system mainly contains user management, log management, knowledge base management, collection market management, collecting device management, carries out data display and inquiry, analyzes and early warning and work management etc.Wherein, data display and inquiry are mainly divided into by agricultural product name query, inquire about by acquisition time, by gathering that market is inquired about, fuzzy query and historical price show five parts.By agricultural product name query, by acquisition time inquiry, mainly realize same day collecting device report the real-time display of price data by gathering market inquiry; Fuzzy query and historical price display module primary responsibility are inquired about, display history image data; Analyze with warning module has identical product analysis, areal is analyzed, conventional analyze, multianalysis and price expectation five part, be mainly used in by history collection price data anal yzing agricul products price changing trend; Collecting device manages: manage acquisition terminal user profile, realizes the function of newly-increased terminal user, management of end-user; Gather market management: collection market is managed, realize the function such as inquiry, location, editor, deletion gathering market.
7. method according to claim 1, is characterized in that: collecting device terminal is mainly divided into data acquisition, historical query, knowledge base and system to manage four bulks.Wherein first data acquisition sends request to server according to current longitude and latitude, and query display is all market informations in current longitude and latitude 1 kilometer range.Gather market information if necessary, then carry out data acquisition; Need the market result carrying out gathering if do not have, redirect increases the market page newly, increases this collection market information, is then saved in server.Carry out the collecting work of data afterwards, after image data, carry out data transmission.Report and submit if collection person will carry out image data first after system is opened, prompting collection person verifies by system, and after logining successfully, data will be sent to server end, if login failure, data send in the mode of note cat; Historical query: for inquiring about the historical record of the Information Monitoring between the time period; Knowledge base: check specific knowledge information, wherein show keyword, particular content etc.; System manages: system management is mainly divided into newly-increased market, market construction, Modify password, SIM card to configure four parts.
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| CN109783681A (en) * | 2019-01-18 | 2019-05-21 | 中国农业科学院农业信息研究所 | A kind of agricultural product price information collection and processing unit and method |
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