CN103914546B - Data-updating method and its device - Google Patents
Data-updating method and its device Download PDFInfo
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- CN103914546B CN103914546B CN201410140455.3A CN201410140455A CN103914546B CN 103914546 B CN103914546 B CN 103914546B CN 201410140455 A CN201410140455 A CN 201410140455A CN 103914546 B CN103914546 B CN 103914546B
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- streetscape
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/235—Update request formulation
Abstract
The invention discloses a kind of data-updating method and its device, wherein, method includes：Image is obtained, and obtains the character area in image；Obtain the current data in character area；Processing is compared in current data and pre-stored data, the information to be updated of pre-stored data is obtained；And according to information updating pre-stored data to be updated.The data-updating method of the embodiment of the present invention, by the way that the current data in the character area got and pre-stored data are compared into processing, and obtain the information to be updated of pre-stored data, and according to information updating pre-stored data to be updated, make the pre-stored data after renewal more accurate, the efficiency being updated to pre-stored data is substantially increased, the Consumer's Experience using map application is improved.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of data-updating method and its device.
Background technology
POI（Point of Interest, information point）Data are most important class data in map datum.Due to POI
The multinomial service of data and map application（For example：Map search, public bus network, navigation etc. of driving）Correlation, therefore POI numbers
According to accuracy directly influence user use map application experience.But existing POI data is not united due to source
One, cause the POI data for generating substantial amounts of repetition and mistake.
At present, the existing POI data to map is corrected and renewal is artificial operation.First, artificial screening goes out doubtful
Like the POI data of mistake, after understanding check gauge then, every POI data is verified one by one.For example：Manual search is related
Information, be compared using other competing product information, interviewing, the mode such as phone confirmation are verified to POI data.Most
The artificial POI data to missing or mistake is corrected and updated afterwards.
But, in process of the present invention is realized, inventor has found that at least there are the following problems in the prior art：By artificial
Mode is corrected and updated to the POI data of missing or mistake, because workload is big, it is therefore desirable to substantial amounts of artificial to be tested
Card, the consuming time is long, and to checking regular understanding, there is any discrepancy due to individual, therefore causes the quality of checking variant, leads
Cause efficiency low.User is in the map application using the POI data comprising missing or mistake, because the information of offer is not enough
Or mistake, cause poor user experience.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, first purpose of the present invention is to propose a kind of data-updating method, this method can be improved after renewal
Pre-stored data accuracy, improve the efficiency that is updated to pre-stored data, lifting using map application user's body
Test.
Second object of the present invention is to propose a kind of data update apparatus.
For up to above-mentioned purpose, embodiment proposes a kind of data-updating method according to a first aspect of the present invention, including：Obtain
Image, and obtain the character area in described image；Obtain the current data in the character area；By the current data with
Processing is compared in pre-stored data, obtains the information to be updated of the pre-stored data；And according to the information updating to be updated
The pre-stored data.
The data-updating method of the embodiment of the present invention, by by the current data in the character area got and prestoring number
According to processing is compared, and the information to be updated of pre-stored data is obtained, and according to information updating pre-stored data to be updated, made more
Pre-stored data after new is more accurate, substantially increases the efficiency being updated to pre-stored data, improves and use map application
The Consumer's Experience of program.
Second aspect of the present invention embodiment proposes a kind of data update apparatus, including：First acquisition module, for obtaining
Image, and obtain the character area in described image；Second acquisition module, for obtaining the current number in the character area
According to；Comparing module, for the current data and pre-stored data to be compared into processing, obtains the to be updated of the pre-stored data
Information；And update module, for the pre-stored data according to the information updating to be updated.
The data update apparatus of the embodiment of the present invention, by by the current data in the character area got and prestoring number
According to processing is compared, and the information to be updated of pre-stored data is obtained, and according to information updating pre-stored data to be updated, made more
Pre-stored data after new is more accurate, substantially increases the efficiency being updated to pre-stored data, improves and use map application
The Consumer's Experience of program.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the flow chart of the data-updating method according to one embodiment of the invention.
Fig. 2 is the effect diagram for obtaining the character area in image according to one embodiment of the invention.
Fig. 3 is the schematic diagram of the POI data information according to one embodiment of the invention.
Fig. 4 is the schematic diagram of the information to be updated of the acquisition pre-stored data according to one embodiment of the invention.
Fig. 5 is the flow chart of the data-updating method according to a specific embodiment of the invention.
Fig. 6 is the structure chart of the data update apparatus according to one embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings the data-updating method and its device of the embodiment of the present invention described.
Fig. 1 is the flow chart of the data-updating method according to one embodiment of the invention.As shown in figure 1, the data update
Method includes：
S101, obtains image, and obtain the character area in image.
Specifically, image to be analyzed can be first obtained, then the image is pre-processed, to obtain exactly in image
Character area.Wherein, pretreatment may include noise reduction process, the processing of enhancing contrast and histogram equalization etc..Such as Fig. 2 institutes
Show, after being pre-processed to image, can be obtained by rim detection mode, texture analysis mode, region segmentation mode etc.
Character area in image.
S102, obtains the current data in character area.
Specifically, OCR can be carried out to character area by relevant matches rule（Optical character identification）Analysis, obtains and works as
Preceding data.Wherein, relevant matches rule may include position correlation, scale correlations, perceptual property correlation, semantic correlation
Property etc..
S103, processing is compared by current data and pre-stored data, obtains the information to be updated of pre-stored data.
In an embodiment of the present invention, current data and pre-stored data may include POI（Information point）Data message, prestore number
According to can be the POI data information that pre-saves.For example：Shown in Fig. 3, the POI data information of Kui Ke Science and Technology Buildings not only may include
Title, street view image, address information, phone information of Kui Ke Science and Technology Buildings etc., may also include a variety of related services, for example：Look into
Hotel, restaurant, bank, hospital, bus station for looking near Kui Ke Science and Technology Buildings etc., or search the road of Kui Ke Science and Technology Buildings
Line etc..
Specifically, after the current data in obtaining character area, current data and pre-stored data can be compared and
Duplicate removal processing, then obtains the information to be updated of pre-stored data.For example, as shown in figure 4, current data includes StoreFront trick
Board information " I likes my family ", but do not found " I likes my family " in the pre-stored data in the position place, therefore can be by " I
Love my family " is used as information to be updated.
Again for example：Place name is same or analogous, and geographical position is simultaneously differed, therefore produces error message.POI data information
In similar " the wooden slippers garden " and " Muxidi " of title, " wooden slippers garden ", in Pekinese South 3rd Ring Road, " Muxidi " is in Pekinese west two
, may if the POI data information flag in " wooden slippers garden " is the POI data information of " Muxidi " in pre-stored data near ring
Error message can be provided the user.Therefore this error message can be regard as information to be updated.
S104, according to information updating pre-stored data to be updated.
, can be according to information updating pre-stored data to be updated after the information to be updated of pre-stored data is obtained.For example：Such as Fig. 4
Shown, current data includes Storefront sign information " I likes my family ", but in pre-stored data corresponding with the position place simultaneously
Do not find " I likes my family ", therefore Storefront sign information " I likes my family " can be added into pre-stored data, to complete to prestore
The renewal of data.
The data-updating method of the embodiment of the present invention, by by the current data in the character area got and prestoring number
According to processing is compared, and the information to be updated of pre-stored data is obtained, and according to information updating pre-stored data to be updated, made more
Pre-stored data after new is more accurate, substantially increases the efficiency being updated to pre-stored data, improves and use map application
The Consumer's Experience of program.
Due to including abundant street Storefront sign information in street view image, and Storefront sign is to obtain correspondence position place
POI data information most accurate one of source, therefore can be by extracting and analyzing Storefront sign information to map application journey
POI data information in sequence is corrected and updated.Another data-updating method is proposed for this present invention.
Fig. 5 is the flow chart of the data-updating method according to a specific embodiment of the invention.As shown in figure 5, the data
Update method includes：
S501, obtains street view image.
Wherein, the position corresponding with the street view image of the Storefront sign in street view image is data message comprising POI.As schemed
Shown in 4, Storefront sign " I likes my family " may include the POI data information such as the specific address of " I likes my family ", telephone number.
S502, image preprocessing.
Image can be pre-processed by operations such as noise reduction process, the processing of enhancing contrast and histogram equalizations.
S503, text detection is with extracting.
Because street view image is view data, word therein can not be used directly, therefore by based on edge, based on line
Manage, the word in image is detected based on methods such as regions, then demarcate the position of word appearance in the picture, that is, obtain
Storefront sign in street view image etc..
S504, OCR Text region.
After character area is obtained, word can be identified by OCR.
S505, word correlation analysis.
The word identified is analyzed for the correlation of streetscape.Wherein, can be related by position correlation, yardstick
Property, perceptual property correlation, semantic dependency etc. correlation analysis is carried out to the word identified.Position correlation and yardstick phase
Closing property judges whether word is related to the streetscape by position of the word in streetscape and font size.Perceptual property is related
Property i.e. by being judged in terms of font of the word in street view image, text color, background color.Semantic dependency passes through
The angle of natural language carries out statistical analysis.
S506, POI data information matches and processing.
According to existing POI data information and single locus data message, by natural language processing technique, with passing through figure
Handle, obtain under same position in existing POI data information with duplicate removal as the POI data information of analysis acquisition is compared
In the data message or POI data information of missing, title is similar, the point of position mark mistake.
S507, updates POI data information.
Completion missing data message, correct marked erroneous point, with complete the correction to existing POI data information and
Update.
The data-updating method of the embodiment of the present invention, by the way that the word in street view image is detected and extracted, then
Correlation analysis is identified and carried out to the word of extraction, obtains current POI data information, and according to current POI
Data message is corrected and updated to existing POI data information, improves the accurate of POI data information in map products
Property, substantially increase and be estimated efficiency with error correction for POI data information, improve the user's body using map products
Test.
Fig. 6 is the structure chart of the data update apparatus according to one embodiment of the invention.As shown in fig. 6, the data update
Device includes：First acquisition module 100, the second acquisition module 200, comparing module 300 and update module 400.
First acquisition module 100 is used to obtain image, and obtains the character area in image.
Specifically, the first acquisition module 100 can first obtain image to be analyzed, and then the image is pre-processed, with
The character area in image is obtained exactly.Wherein, pretreatment may include that noise reduction process, the processing of enhancing contrast and histogram are equal
Weighing apparatusization etc..As shown in Fig. 2 after being pre-processed to image, the first acquisition module 100 can pass through rim detection mode, line
Manage the character area in the acquisition image such as analysis mode, region segmentation mode.
Second acquisition module 200 is used to obtain the current data in character area.
Specifically, the second acquisition module 200 can carry out OCR by relevant matches rule to character area（Optical character
Identification）Analysis, obtains current data.Wherein, relevant matches rule may include position correlation, scale correlations, vision category
Property correlation, semantic dependency etc..
Comparing module 300 is used to current data and pre-stored data processing is compared, and obtains the to be updated of pre-stored data
Information.
In an embodiment of the present invention, current data and pre-stored data may include POI data information, and pre-stored data can be pre-
The POI data information first preserved.For example：Shown in Fig. 3, the POI data information of Kui Ke Science and Technology Buildings not only may include Kui Ke science and technology
Title, street view image, address information, phone information of mansion etc., may also include a variety of related services, for example：Search in Kui Ke
Hotel, restaurant, bank, hospital, bus station near Science and Technology Building etc., or search the route of Kui Ke Science and Technology Buildings etc..
Specifically, after the current data in obtaining character area, comparing module 300 can be to current data and pre-stored data
The information to be updated with duplicate removal processing, then acquisition pre-stored data is compared.For example, as shown in figure 4, in current data
Including Storefront sign information " I likes my family ", but " I likes my family " is not found in the pre-stored data in the position place,
Therefore " I likes my family " can be used as information to be updated.
Again for example：Place name is same or analogous, and geographical position is simultaneously differed, therefore produces error message.POI data information
In similar " the wooden slippers garden " and " Muxidi " of title, " wooden slippers garden ", in Pekinese South 3rd Ring Road, " Muxidi " is in Pekinese west two
, may if the POI data information flag in " wooden slippers garden " is the POI data information of " Muxidi " in pre-stored data near ring
Error message can be provided the user.Therefore this error message can be regard as information to be updated.
Update module 400 is used for according to information updating pre-stored data to be updated.
After the information to be updated of pre-stored data is obtained, update module 400 can be according to information updating pre-stored data to be updated.
For example：As shown in figure 4, current data includes Storefront sign information " I likes my family ", but it is corresponding pre- with the position place
Do not find " I likes my family ", therefore Storefront sign information " I likes my family " can be added into pre-stored data in deposit data,
To complete the renewal of pre-stored data.
The data update apparatus of the embodiment of the present invention, by by the current data in the character area got and prestoring number
According to processing is compared, and the information to be updated of pre-stored data is obtained, and according to information updating pre-stored data to be updated, made more
Pre-stored data after new is more accurate, substantially increases the efficiency being updated to pre-stored data, improves and use map application
The Consumer's Experience of program.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
1. a kind of data-updating method, it is characterised in that including：
Street view image is obtained, and obtains the character area in the street view image；
Obtain the current data in the character area；
Processing is compared in the current data and pre-stored data, the information to be updated of the pre-stored data is obtained, wherein, institute
Stating current data and the pre-stored data includes POI data information；And
The pre-stored data according to the information updating to be updated；
Wherein, the current data obtained in the character area, including：
Optical character identification OCR analyses are carried out to the character area by relevant matches rule, the current data is obtained,
The relevant matches rule includes one kind in position correlation, scale correlations, perceptual property correlation, semantic dependency
Or it is a variety of；Wherein, whether the position correlation is related to streetscape for the position judgment word by word in streetscape；Yardstick
Correlation is to judge whether word is related to streetscape by font size of the word in streetscape；Perceptual property correlation is logical
Font of the word in streetscape, text color, background color is crossed to judge whether word is related to streetscape；Semantic dependency is logical
The angle for crossing natural language carries out statistical analysis, to judge whether word is related to streetscape.
2. according to the method described in claim 1, it is characterised in that the character area obtained in the street view image, bag
Include：
The street view image is pre-processed, the character area in pretreated street view image is obtained.
3. method according to claim 2, it is characterised in that described to be pre-processed to the street view image, including：
By one or more to street view image progress in noise reduction process, the processing of enhancing contrast and histogram equalization
Pretreatment.
4. according to the method described in claim 1, it is characterised in that the character area obtained in the street view image, bag
Include：
The character area is obtained based on the one or more in rim detection mode, texture analysis mode, region segmentation mode.
5. according to the method described in claim 1, it is characterised in that described that the current data and pre-stored data are compared
Processing, obtains the information to be updated of the pre-stored data, including：
The current data and the pre-stored data are compared and duplicate removal is handled, the letter to be updated of the pre-stored data is obtained
Breath.
6. a kind of data update apparatus, it is characterised in that including：
First acquisition module, for obtaining street view image, and obtains the character area in the street view image；
Second acquisition module, for obtaining the current data in the character area；
Comparing module, for the current data and pre-stored data to be compared into processing, obtains treating more for the pre-stored data
Fresh information, wherein, the current data and the pre-stored data include POI data information；And
Update module, for the pre-stored data according to the information updating to be updated；
Wherein, second acquisition module, specifically for：
Optical character identification OCR analyses are carried out to the character area by relevant matches rule, the current data is obtained,
The relevant matches rule includes one kind in position correlation, scale correlations, perceptual property correlation, semantic dependency
Or it is a variety of；Wherein, whether the position correlation is related to streetscape for the position judgment word by word in streetscape；Yardstick
Correlation is to judge whether word is related to streetscape by font size of the word in streetscape；Perceptual property correlation is logical
Font of the word in streetscape, text color, background color is crossed to judge whether word is related to streetscape；Semantic dependency is logical
The angle for crossing natural language carries out statistical analysis, to judge whether word is related to streetscape.
7. device according to claim 6, it is characterised in that first acquisition module, specifically for：
The street view image is pre-processed, the character area in pretreated street view image is obtained.
8. device according to claim 7, it is characterised in that first acquisition module, specifically for：
By one or more to street view image progress in noise reduction process, the processing of enhancing contrast and histogram equalization
Pretreatment.
9. device according to claim 6, it is characterised in that first acquisition module, specifically for：
The character area is obtained based on the one or more in rim detection mode, texture analysis mode, region segmentation mode.
10. device according to claim 6, it is characterised in that the comparing module, specifically for：
The current data and the pre-stored data are compared and duplicate removal is handled, the letter to be updated of the pre-stored data is obtained
Breath.
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| CN201410140455.3A CN103914546B (en) | 2014-04-09 | 2014-04-09 | Data-updating method and its device |
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| CN201410140455.3A CN103914546B (en) | 2014-04-09 | 2014-04-09 | Data-updating method and its device |
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| CN104239567B (en) * | 2014-09-28 | 2018-04-06 | 北京国双科技有限公司 | Dimension treating method and apparatus in data warehouse |
| CN104990555B (en) * | 2015-02-17 | 2018-07-03 | 上海安吉四维信息技术有限公司 | The method of work of real scene navigation system |
| CN106294458A (en) * | 2015-05-29 | 2017-01-04 | 北京四维图新科技股份有限公司 | A kind of map point of interest update method and device |
| CN105930391B (en) * | 2016-04-14 | 2019-06-07 | 京东方科技集团股份有限公司 | Update method and image server of the supersolution as image sample data library in system |
| CN107436906A (en) * | 2016-05-27 | 2017-12-05 | 高德信息技术有限公司 | A kind of information detecting method and device |
| CN107784012B (en) * | 2016-08-30 | 2022-03-08 | 北京四维图新科技股份有限公司 | Method and device for updating interest points of digital map |
| CN106886593A (en) * | 2017-02-21 | 2017-06-23 | 百度在线网络技术（北京）有限公司 | Information processing method, device and server |
| CN110609879B (en) * | 2018-06-14 | 2022-11-01 | 百度在线网络技术（北京）有限公司 | Interest point duplicate determination method and device, computer equipment and storage medium |
| CN109062988B (en) * | 2018-06-29 | 2019-10-25 | 百度在线网络技术（北京）有限公司 | The update method and device of street view image |
| CN109710705A (en) * | 2018-12-04 | 2019-05-03 | 百度在线网络技术（北京）有限公司 | Map point of interest treating method and apparatus |
| CN111488771B (en) * | 2019-01-29 | 2023-06-30 | 阿里巴巴集团控股有限公司 | OCR hooking method, device and equipment |
| CN110457705B (en) * | 2019-08-14 | 2023-04-18 | 百度在线网络技术（北京）有限公司 | Method, device, equipment and storage medium for processing point of interest data |
| CN110516094A (en) * | 2019-08-29 | 2019-11-29 | 百度在线网络技术（北京）有限公司 | De-weight method, device, electronic equipment and the storage medium of class interest point data |
| CN112750204B (en) * | 2019-10-30 | 2022-04-05 | 广东致创数字科技有限公司 | Data content real-time updating system |
| CN111507355B (en) * | 2020-04-17 | 2023-08-22 | 北京百度网讯科技有限公司 | Character recognition method, device, equipment and storage medium |
| CN112129307B (en) * | 2020-09-28 | 2022-10-11 | 北京百度网讯科技有限公司 | Method and device for generating bus route information, electronic equipment and storage medium |
| CN112381090A (en) * | 2020-11-23 | 2021-02-19 | 北京百度网讯科技有限公司 | Method and device for determining telephone, electronic equipment and storage medium |
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