CN107392778A - Plot and photographing information Self-certified method, storage medium - Google Patents
Plot and photographing information Self-certified method, storage medium Download PDFInfo
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- CN107392778A CN107392778A CN201710616352.3A CN201710616352A CN107392778A CN 107392778 A CN107392778 A CN 107392778A CN 201710616352 A CN201710616352 A CN 201710616352A CN 107392778 A CN107392778 A CN 107392778A
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- inclination angle
- media file
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- plot
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/08—Insurance
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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
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/48—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
- G06F16/487—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using geographical or spatial information, e.g. location
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
Abstract
The present invention provides a kind of plot and photographing information Self-certified method, storage medium, and method includes：The geography information in default plot, geography information include regional geography position；The media file in corresponding plot is obtained, media file includes shooting point coordinates, inclination angle and deflection；Judge to shoot point coordinates whether in regional geography position range；If it is not, the extended line of the deflection is then calculated respectively and whether the extended line at the inclination angle intersects with the regional geography position, wherein, if the inclination angle is obtuse angle, the extended line at the inclination angle calculates according to the supplementary angles at the inclination angle；If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.The present invention according to the shooting visual angle of media file judge it is acquired to should plot information it is whether authentic and valid, effectively improve the precision of effectiveness of information judgement；Simultaneously, moreover it is possible to according to information source Accurate classification, filing in order is realized, it is conveniently follow-up to use.
Description
Technical field
The present invention relates to IT application, particularly relates to Self-certified side of the plot with corresponding photographing information
Method, storage medium.
Background technology
Depth development and the national opening to business such as Rural Land Circulation, transaction, mortgage loans with financial industry,
Simultaneously in terms of the agriculture Claims Resolution of insurance, confirmation of land right etc. is required for having first hand data to the soil of peasant, present
Method generally requires to send someone to carry out investigation measurement on the spot, consumption fund and when taking a large amount of manpowers, especially small area region,
Even more cost is high.
In the prior art, gathered mostly by all kinds of geographical position collecting devices such as GPS, the Big Dipper and other alignment systems
Foundation of the geographical location information as plot certification.But error deposits in being actually used due to all kinds of geographical position collecting devices
, the error for causing geographical position to gather, what same position difference location equipment or same equipment different acquisition time obtained
It is recurrent that data, which differ 10 meters -20 meters,.
Therefore, it is existing that a kind of information comprising geographical position that can be provided informant also and had determined
Regional extent between the effective ways that are confirmed of corresponding relation, so as to judge the effective of information that informant provides
Property, the method for realizing precise information certification.
The content of the invention
The technical problems to be solved by the invention are：A kind of plot that can solve the problem that above mentioned problem and photographing information are provided
Self-certified method, storage medium, realize that high-precision certification corresponds to the validity of the information in a certain plot.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of plot and photographing information Self-certified method, including：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and it is described
Whether the extended line at inclination angle intersects with the regional geography position, wherein, if the inclination angle is obtuse angle, the extension at the inclination angle
Line calculates according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
Another technical scheme provided by the invention is：
A kind of computer-readable recording medium, is stored thereon with computer program, and the program is realized when being executed by processor
Following steps：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and it is described
Whether the extended line at inclination angle intersects with the regional geography position, wherein, if the inclination angle is obtuse angle, the extension at the inclination angle
Line calculates according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
The beneficial effects of the present invention are：The present invention (is inclined according to the shooting visual angle of media file by shooting point coordinates, shooting
Angle and shooting direction angle comprehensive analysis obtain) judge whether the media file truly corresponds to a certain plot, in this, as right
The plot carries out such as disaster Claims Resolution, the assessment of land deal, comment evidence use, so as to improve the degree of accuracy of authentification of message.
Brief description of the drawings
Fig. 1 is principle schematic of the plot with photographing information Self-certified method of the present invention；
Fig. 2 is a kind of plot of the present invention and the schematic flow sheet of photographing information Self-certified method；
Fig. 3 is schematic flow sheet of the plot with photographing information Self-certified method of the embodiment of the present invention one；
Fig. 4 is that the different shooting extended line drop points of the embodiment of the present invention one correspond to the schematic diagram of different zones scope；
Fig. 5 is that the specific of the embodiment of the present invention one uses plot and the schematic diagram of possible shooting point in scene.
Embodiment
To describe the technology contents of the present invention, the objects and the effects in detail, below in conjunction with embodiment and coordinate attached
Figure is explained.
The design of most critical of the present invention is：Shooting visual angle according to media file judges the media text in corresponding a certain plot
The validity of part.
Explanation of technical terms of the present invention:
Referring to Fig.1 and 2, the present invention provides a kind of plot and photographing information Self-certified method, including：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and it is described
Whether the extended line at inclination angle intersects with the regional geography position, wherein, if the inclination angle is obtuse angle, the extension at the inclination angle
Line calculates according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
It was found from foregoing description, the beneficial effects of the present invention are：The present invention sentences according to the shooting visual angle of media file
Whether the media file in a disconnected corresponding plot truly corresponds to a certain plot, is carried out in this, as to the plot such as disaster Claims Resolution, soil
Assessment, the comment of ground transaction etc. need to use, so as to improve the degree of accuracy of authentification of message.
Further, the geography information also includes the first altitude information；The media file, which also includes the second height above sea level, to be believed
Breath；Whether the extended line at the inclination angle intersects with the regional geography position, is specially：
According to first altitude information and the second altitude information, the shooting height of the media file is obtained；
If the inclination angle is obtuse angle, the supplementary angles at the inclination angle are calculated；According to the shooting height and described incline
The supplementary angles at angle, the coordinate of the extended line drop point at the inclination angle of the media file is calculated；
If the inclination angle is acute angle, according to the shooting height and the inclination angle, the media file is calculated
The coordinate of the extended line drop point at inclination angle；
The coordinate is judged whether in the regional geography position range, if so, then judging the extension at the inclination angle
Line intersects with the regional geography position.
Seen from the above description, algorithm corresponding to the situation offer of media file is obtained for facing upward to clap, raising judges accurate
Degree, reduce probability of miscarriage of justice.
Further, in addition to：
According to the source of the media file, it will be determined as that efficient media file is stored as third party's valid data or awarded
The side's of power valid data.
Seen from the above description, the user identity according to upload media file, the purposes of corresponding storage media file are convenient
Used in final authentication process, improve the certification degree of accuracy.
Further, shown media file includes picture and/or audio-video document.
Seen from the above description, can be to that should be taken pictures or recorded a video obtained media file in certain in plot.
Another technical scheme provided by the invention is：
A kind of computer-readable recording medium, is stored thereon with computer program, and the program is realized when being executed by processor
Following steps：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and it is described
Whether the extended line at inclination angle intersects with the regional geography position, wherein, if the inclination angle is obtuse angle, the extension at the inclination angle
Line calculates according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
Further, the geography information also includes the first altitude information；The media file, which also includes the second height above sea level, to be believed
Breath；Described program is when whether the extended line for realizing the inclination angle intersects step with the regional geography position, specially：
According to first altitude information and the second altitude information, the shooting height of the media file is obtained；
If the inclination angle is obtuse angle, the supplementary angles at the inclination angle are calculated；According to the shooting height and described incline
The supplementary angles at angle, the coordinate of the extended line drop point at the inclination angle of the media file is calculated；
If the inclination angle is acute angle, according to the shooting height and the inclination angle, the media file is calculated
The coordinate of the extended line drop point at inclination angle；
The coordinate is judged whether in the regional geography position range, if so, then judging the extension at the inclination angle
Line intersects with the regional geography position.
Further, described program can also realize following steps：
According to the source of the media file, it will be determined as that efficient media file is stored as third party's valid data or awarded
The side's of power valid data.
Further, shown media file includes picture and/or audio-video document.
Embodiment one
Fig. 1, Fig. 3 be refer to Fig. 5, the present embodiment provides a kind of plot and photographing information Self-certified method, suitable for pair
When a certain plot carries out the business such as mortgage loan, settlement of insurance claim, judge it is acquired to should the information in plot whether truly have
Effect, or whether using the information as the evidence for assessing identification the scene demand that uses.
Referring to Fig. 3, specific Self-certified process includes：The geography information in default plot, the geography information include in advance
First altitude information in the plot and regional geography position (inclusion region track data).The geography information in the plot is true
Fixed authentic and valid information, can be the effective owner in the plot or operator, or the above-mentioned effective owner or
The mechanism of operator's accreditation, individual pass through the technologies such as Boundary Recognition by mapping, satellite photo, aerial photograph, remote sensing photo etc.
Collection obtains, and preferably described geography information passes through government organs or the examination ＆ verification by its mechanism approved.
One user login services device, uploads the media file in corresponding above-mentioned plot, and the media file can be photo, regard
Frequency etc..The media file includes equipment residing latitude and longitude information when shooting obtains the media file, that is, shoot point coordinates,
Second altitude information, inclination angle, elevation information, deflection, the machine time, GPS or the Big Dipper and the system time of other alignment systems
Etc. information.
Server is authenticated to the media file, and specific verification process includes：
First, it is determined that whether the shooting point coordinates is located in the regional geography position range, if so, then directly judging
The media file is effective；
If it is not, then calculate respectively the deflection (shooting direction angle) extended line whether the regional geography with the plot
Position is intersected, and whether the extended line at the inclination angle intersects with the regional geography position；If one of them is non-intersect, sentence
The fixed media file is invalid；If both intersecting, judge that the media file is effective.
Here, for when facing upward bat, its inclination angle will be greater than 90 degree, the extended line at the inclination angle thus calculated will not necessarily with region
Geographical position range intersects, it is possible that the content of the media file be strictly to should plot situation, therefore, for this
Situation, during whether the extended line for calculating inclination angle intersects with the regional geography position, it will first judge that the inclination angle is
No to be more than 90 °, then whether the extended line at algorithm calculating inclination angle intersects with regional geography position corresponding to reselection, makes a concrete analysis of
See below.By for face upward bat situation provide corresponding to judgment mode, effectively avoid erroneous judgement, significantly improve judgement precision.
Whether the extended line at inclination angle described above with the regional geography position intersects step, and it is real to pass through following sub-step
It is existing：The first altitude information of basis for estimation first and the second altitude information, calculate the difference of the two, obtain the shooting of the media file
Highly；Judge whether the inclination angle is more than 90 ° again, if so, the supplementary angles at the inclination angle are then calculated, i.e., 180 degree-inclination angle=
The supplementary angles at inclination angle；According to the shooting height and the supplementary angles at the inclination angle, the inclination angle of the media file is calculated
The coordinate of extended line drop point；If it is not, then shooting height described in direct basis and the inclination angle, are calculated the media file
Inclination angle extended line drop point coordinate；Then, according to the shooting height and the inclination angle (or the supplementary angles at inclination angle), pass through
The length of the extended line at the inclination angle of the media file is calculated in trigonometric function, and the inclination angle is calculated by map datum
Extended line drop point on map coordinate；Finally judge whether the coordinate is located at regional geography position model corresponding to the plot
In enclosing, if so, then judging that the extended line at the inclination angle intersects with the regional geography position；If it is not, then judge the inclination angle
Extended line and the regional geography position are non-intersect.Specific shooting visual angle and the relation in plot are as shown in Figure 1.
It is assumed that a user, which is uploaded from same place, shoots obtained two parts of media files simultaneously, it is respectively
Information A and information B, plot A are the fixed plot (needing the plot assessed) of the present embodiment, according to the above-mentioned meter of the present embodiment
Calculation mode learns information A and information B shooting point not in the range of the A of plot, it is therefore desirable to continues to calculate information A and information B
Whether the drop point of extended line at corresponding shooting inclination angle falls in the A of plot, and shooting direction angle extended line whether with plot A
It is intersecting.By being calculated：The extended line at information A shooting direction angle and the extension device at inclination angle intersect with plot A, and believe
The extended line for ceasing B inclination angle falls in the B of plot, thus can determine that, information A is corresponding plot A effective information, and information B is
Invalid information.Although all it is that station is shot in same place, and original intention may need corresponding plot A to be shot,
It is that content captured by obvious information B is not crops or other articles in the A of plot, if as evidence is assessed, will influences to comment
Estimate fairness.
After the whether effective conclusion of media file is drawn, server will determine that the body for the user for uploading the multimedia file
Part, if the user is authorized user, such as effective owner or operator, or the above-mentioned effective owner or operator recognize
Can mechanism, individual；The multimedia file is then stored as this to plot valid data；If the user provides for third party, such as
Witness, then plot third party's valid data are stored as, are needed to use as assessment, comment etc..
The present embodiment can be comprehensive by the height above sea level to being included in acquired media file, inclination angle, longitude and latitude, deflection etc.
Total calculate judges, determines the information in the geographical position comprising a plot that this document supplier provides and the plot having determined
Regional extent corresponding relation, so as to judge that informant provides the validity of information, especially for small area
Block, the defects of single determination methods that site error can be avoided to bring as far as possible are present, realize low cost, few manpower, high-precision
Degree, high-timeliness, it is rapidly performed by plot and photographing information Self-certified.
There is provided corresponding the present embodiment simultaneously one specifically uses scene：
As shown in figure 5, the area coordinate in plot, which is (0,0), arrives (100,100), i.e., above-mentioned regional geography position；From A,
B, tetra- shooting points of C, D obtain media file respectively；Now need to judge the validity of media file corresponding to above-mentioned shooting point.
First, judge the coordinate of tetra- shooting points of A, B, C, D whether in the range of area coordinate respectively, it is known that, coordinate A
In the range of area coordinate, judge that media file corresponding to A shooting points is effective；Coordinate B, C, D be not in area coordinate scope
It is interior, therefore continue following judgement：
Whether the extended line of deflection intersects with regional extent corresponding to coordinates computed B, C, D points respectively, and corresponding
The extended line drop point at inclination angle is located in the range of the area coordinate in plot, thus judges the extended line and region model of the deflection of B points
Enclose non-intersect, corresponding multimedia file is invalid；The extended line drop point at inclination angle is not at the area coordinate model in plot corresponding to D points
In enclosing, corresponding multimedia file is invalid；And C points meet, corresponding multimedia file is effective.
Embodiment two
The present embodiment corresponds to embodiment one and provides a kind of computer-readable recording medium, is stored thereon with computer program,
The program realizes following steps when being executed by processor：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Shown media file can be the media file of picture or audio-video document or extended formatting.
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and it is described
Whether the extended line at inclination angle intersects with the regional geography position, wherein, if the inclination angle is obtuse angle, the extension at the inclination angle
Line calculates according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
Further, the geography information also includes the first altitude information；The media file, which also includes the second height above sea level, to be believed
Breath；Described program is when whether the extended line for realizing the inclination angle intersects step with the regional geography position, specially：
According to first altitude information and the second altitude information, the shooting height of the media file is obtained；
If the inclination angle is obtuse angle, the supplementary angles at the inclination angle are calculated；According to the shooting height and described incline
The supplementary angles at angle, the coordinate of the extended line drop point at the inclination angle of the media file is calculated；
If the inclination angle is acute angle, according to the shooting height and the inclination angle, the media file is calculated
The coordinate of the extended line drop point at inclination angle；
The coordinate is judged whether in the regional geography position range, if so, then judging the extension at the inclination angle
Line intersects with the regional geography position.
Further, described program can also realize following steps：
According to the source of the media file, it will be determined as that efficient media file is stored as third party's valid data or awarded
The side's of power valid data.
In summary, plot provided by the invention Self-certified method corresponding with photographing information, readable storage medium storing program for executing, can
Shooting visual angle according to media file is quick, the validity for judging the media file of pinpoint accuracy；Meanwhile also directed to facing upward bat feelings
Deterministic process corresponding to the erroneous judgement situation offer that condition is likely to occur, effectively improve the precision of effectiveness of information judgement；Come again, moreover it is possible to
According to information source Accurate classification, filing in order is realized, it is conveniently follow-up to use.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In the scope of patent protection of the present invention.
Claims (8)
1. a kind of plot and photographing information Self-certified method, it is characterised in that including：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and the inclination angle
Extended line whether intersect with the regional geography position, wherein, if the inclination angle is obtuse angle, the extended line at the inclination angle according to
Calculated according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
2. plot as claimed in claim 1 and photographing information Self-certified method, it is characterised in that the geography information also includes
First altitude information；The media file also includes the second altitude information；With the region whether the extended line at the inclination angle
Reason position is intersected, and is specially：
According to first altitude information and the second altitude information, the shooting height of the media file is obtained；
If the inclination angle is obtuse angle, the supplementary angles at the inclination angle are calculated；According to the shooting height and the inclination angle
Supplementary angles, the coordinate of the extended line drop point at the inclination angle of the media file is calculated；
If the inclination angle is acute angle, according to the shooting height and the inclination angle, the inclination angle of the media file is calculated
Extended line drop point coordinate；
Judge the coordinate whether in the regional geography position range, if so, then judge the extended line at the inclination angle with
Intersect the regional geography position.
3. plot as claimed in claim 1 or 2 and photographing information Self-certified method, it is characterised in that also include：
According to the source of the media file, it will be determined as that efficient media file is stored as third party's valid data or authorized party
Valid data.
4. plot as claimed in claim 1 and photographing information Self-certified method, it is characterised in that shown media file includes figure
Piece and/or audio-video document.
5. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is held by processor
Following steps are realized during row：
The geography information in default plot, the geography information include regional geography position；
The media file in the corresponding plot is obtained, the media file includes shooting point coordinates, inclination angle and deflection；
Judge the shooting point coordinates whether in the regional geography position range；
If so, then judge that the media file is effective；
If it is not, whether the extended line for then calculating the deflection respectively intersects with the regional geography position, and the inclination angle
Extended line whether intersect with the regional geography position, wherein, if the inclination angle is obtuse angle, the extended line at the inclination angle according to
Calculated according to the supplementary angles at the inclination angle；
If one is non-intersect, judge that the media file is invalid；If intersecting, judge that the media file is effective.
6. computer-readable recording medium as claimed in claim 5, it is characterised in that the geography information also includes the first sea
Pull out information；The media file also includes the second altitude information；Described program realize the inclination angle extended line whether with institute
State regional geography position intersect step when, be specially：
According to first altitude information and the second altitude information, the shooting height of the media file is obtained；
If the inclination angle is obtuse angle, the supplementary angles at the inclination angle are calculated；According to the shooting height and the inclination angle
Supplementary angles, the coordinate of the extended line drop point at the inclination angle of the media file is calculated；
If the inclination angle is acute angle, according to the shooting height and the inclination angle, the inclination angle of the media file is calculated
Extended line drop point coordinate；
Judge the coordinate whether in the regional geography position range, if so, then judge the extended line at the inclination angle with
Intersect the regional geography position.
7. the computer-readable recording medium as described in claim 5 or 6, it is characterised in that described program can also realize with
Lower step：
According to the source of the media file, it will be determined as that efficient media file is stored as third party's valid data or authorized party
Valid data.
8. computer-readable recording medium as claimed in claim 5, it is characterised in that shown media file include picture and/
Or audio-video document.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616352.3A CN107392778B (en) | 2017-07-26 | 2017-07-26 | Self-authentication method for land parcel and shooting information and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616352.3A CN107392778B (en) | 2017-07-26 | 2017-07-26 | Self-authentication method for land parcel and shooting information and storage medium |
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| Publication Number | Publication Date |
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| CN107392778A true CN107392778A (en) | 2017-11-24 |
| CN107392778B CN107392778B (en) | 2020-12-22 |
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| CN201710616352.3A Active CN107392778B (en) | 2017-07-26 | 2017-07-26 | Self-authentication method for land parcel and shooting information and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108805739A (en) * | 2018-07-09 | 2018-11-13 | 河南励创地理信息有限公司 | Rural Land Circulation manages system |
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| CN106601027A (en) * | 2016-12-27 | 2017-04-26 | 东软集团股份有限公司 | Closed or semi-closed road danger determining method and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108805739A (en) * | 2018-07-09 | 2018-11-13 | 河南励创地理信息有限公司 | Rural Land Circulation manages system |
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