CN107993560B - Method for dynamically analyzing engineering vehicle to realize identification of newly added building - Google Patents
Method for dynamically analyzing engineering vehicle to realize identification of newly added building Download PDFInfo
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Abstract
The invention provides a method and a system for identifying a newly added building, wherein the method comprises the following steps: acquiring an engineering vehicle with a stopping behavior; marking a stopping point of the engineering vehicle; acquiring a first driving track corresponding to each engineering vehicle with the stopping behavior; acquiring a corresponding first driving track set; judging whether the phenomenon of the running track aggregation exists in the first running track aggregation or not; if so, acquiring a corresponding first driving area; judging whether the number of marked stopping points in the first driving area is greater than or equal to a preset stopping point threshold value or not; and if so, matching the first driving area with the map data to obtain the area where the newly added building is located. The newly added building information of a specific area is identified in a targeted manner according to different requirements of users; thereby providing convenience to a third party, a traffic administration, or a navigation system.
Description
The application is a divisional application of a parent application named 'identification method and system of a newly added building' with an application date of 2015-07-27 and an application number of 201510445727.5.
Technical Field
The invention particularly relates to the field of identification methods and systems of newly added buildings.
Background
The traditional method obtains the information of the newly added building by manually collecting multimedia information (news broadcasted by television, radio, newspaper and the like), thereby providing convenience for third-party operators, navigation systems or traffic administration regulation systems. But for remote or just reclaimed areas, the media is not timely and efficient to understand, which results in a lag in the message; furthermore, the traditional method of acquiring information of the newly added building by manual collection is not intelligent enough. Therefore, there is a need to provide a method and system for identifying new buildings that can solve the above problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method and the system for identifying the newly added building are provided, and the information of the newly added building is identified timely and accurately.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for identifying a newly added building comprises the following steps:
acquiring driving data of all engineering vehicles within a preset time period;
acquiring an engineering vehicle with a stopping behavior according to the driving data;
marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
acquiring a first driving track corresponding to each engineering vehicle with the stopping behavior;
acquiring a first driving track set corresponding to all engineering vehicles with stopping behaviors;
judging whether the phenomenon of the running track aggregation exists in the first running track aggregation or not to obtain a first judgment result;
if the first judgment result is yes, acquiring a corresponding first driving area according to the gathered first driving tracks;
judging whether the number of marked stopping points in the first driving area is larger than or equal to a preset stopping point threshold value or not to obtain a second judgment result;
and if the second judgment result is yes, matching the first driving area with the map data to obtain the area where the newly added building is located.
The invention provides another technical scheme as follows:
a system for identifying newly added buildings, comprising:
the first acquisition module is used for acquiring the driving data of all engineering vehicles within a preset time period;
the second acquisition module is used for acquiring the engineering vehicle with the stopping behavior according to the driving data;
the marking module is used for marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
the third acquisition module is used for acquiring a first driving track corresponding to each engineering vehicle with the stopping behavior;
the fourth acquisition module is used for acquiring the first driving track sets corresponding to all the engineering vehicles with stopping behaviors;
the first judgment module is used for judging whether the phenomenon of traffic track aggregation exists in the first traffic track set or not to obtain a first judgment result;
a fifth obtaining module, configured to, when the first determination result is yes, obtain a corresponding first driving area according to the gathered first driving trajectory;
the second judgment module is used for judging whether the number of the marked stopping points in the first driving area is greater than or equal to a preset stopping point threshold value or not to obtain a second judgment result;
and the first matching module is used for matching the first driving area with the map data to acquire the area where the newly added building is located when the second judgment result is yes.
The invention has the beneficial effects that: dynamically analyzing and processing the driving data of the engineering vehicles to obtain a first driving track set and a stopping point corresponding to all the engineering vehicles with over-stopping behaviors; and acquiring a first driving area with the clustering phenomenon, and acquiring the area where the newly added building is located according to the number of the stop points in the first driving area. The method can timely and accurately acquire the area where the newly added building is located according to the driving track of the engineering vehicle, and can provide scientific decision, prediction analysis and technical support for road planning of a traffic administration department, path planning of a navigation system and third-party operators; the practicability and accuracy of road planning and path planning are guaranteed, and a third party provides targeted services.
Drawings
FIG. 1 is a flow chart of a method for identifying a newly added building according to the present invention;
FIG. 2 is a block diagram of a first portion of a method for identifying additional buildings according to an embodiment of the present invention;
FIG. 3 is a block diagram of a second part of a method for identifying a newly added building according to an embodiment of the present invention;
FIG. 4 is a block diagram showing the construction of an identification system for a newly added building according to the present invention;
FIG. 5 is a block diagram illustrating the structure of an identification system for a newly added building, in accordance with one embodiment of the present invention;
fig. 6 is a block diagram illustrating a structural component of a second obtaining module in the identification system of the newly added building according to an embodiment of the present invention;
fig. 7 is a block diagram illustrating the structure of a marking module in an identification system for a newly added building according to an embodiment of the present invention.
Description of reference numerals:
1. a first acquisition module; 2. a second acquisition module; 3. a marking module; 4. a third obtaining module;
5. a fourth obtaining module; 6. a first judgment module; 7. a fifth obtaining module;
8. a second judgment module; 9. a first matching module; 10. a second matching module;
11. a sixth obtaining module; 12. a seventh obtaining module; 13. a decision module;
22. a first acquisition unit; 23. a second acquisition unit; 24. a first judgment unit;
25. a first recording unit; 26. a determination unit; 27. a second recording unit; 28. a second judgment unit;
31. a marking unit; 32. and a third judging unit.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: acquiring a first driving track set and stopping points corresponding to all engineering vehicles with over-stopping behaviors; and acquiring a first driving area formed by the first driving tracks with aggregation in the first driving track set, matching the first driving area with the map data, wherein the number of the stop points is more than or equal to a preset stop point threshold value, and determining the area where the newly added building is located.
The technical terms related to the invention are explained as follows:
referring to fig. 1, 2 and 3, the present invention provides a method for identifying a newly added building, including:
acquiring driving data of all engineering vehicles within a preset time period;
acquiring an engineering vehicle with a stopping behavior according to the driving data;
marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
acquiring a first driving track corresponding to each engineering vehicle with the stopping behavior;
acquiring a first driving track set corresponding to all engineering vehicles with stopping behaviors;
judging whether the phenomenon of the running track aggregation exists in the first running track aggregation or not to obtain a first judgment result;
if the first judgment result is yes, acquiring a corresponding first driving area according to the gathered first driving tracks;
judging whether the number of marked stopping points in the first driving area is larger than or equal to a preset stopping point threshold value or not to obtain a second judgment result;
and if the second judgment result is yes, matching the first driving area with the map data to obtain the area where the newly added building is located.
From the above description, the beneficial effects of the present invention are: dynamically analyzing and processing the driving data of the engineering vehicle to obtain the driving track and the main stopping point of the engineering vehicle, and determining the area of the newly added building through judgment; the method can realize timely updating of accurate information of the newly added building, and has the following advantages:
(1) providing technical support for road planning of traffic administration departments;
(2) providing a basis for path navigation for road planning of a navigation system;
(3) the system provides convenience for third parties such as household merchants, electric appliance merchants or building material merchants and provides targeted services in time.
Further, the driving data comprises the number, the speed, the time point and the position point information of the engineering vehicle;
the step of obtaining the engineering vehicle with the stopping behavior according to the driving data is specifically as follows:
according to the speed, acquiring the suspected engineering vehicle in the stopping state;
acquiring the stay time of the engineering vehicle according to the time point;
judging whether the stay time is greater than or equal to a preset stay time threshold value or not to obtain a third judgment result;
and if the third judgment result is yes, confirming that the engineering vehicle has a stopping behavior.
According to the description, whether the engineering vehicle is in the stop state or not is judged according to the speed, and the stop duration of the engineering vehicle is obtained according to the time point on the basis; determining that the engineering vehicle really has a stopping behavior when the stopping time exceeds a preset stopping time threshold value; the analysis and judgment have pertinence, and the accuracy of the analysis result can be improved.
Further, the driving data comprises the number, the speed, the time point and the position point information of the engineering vehicle; the engineering vehicle with the stopping behavior is obtained according to the driving data; marking the stopping point of the engineering vehicle according to the position point recorded by the driving data specifically comprises the following steps:
SS 1: acquiring all driving data of an engineering vehicle which are sequentially arranged according to a time axis according to the serial numbers and the time points;
SS 2: acquiring driving data;
SS 3: judging whether the speed is less than or equal to a preset speed threshold value or not to obtain a fourth judgment result; if the fourth judgment result is negative, SS4 is executed; if the fourth judgment result is yes, SS5 is executed;
SS 4: recording the driving track of the engineering vehicle, continuously acquiring the next driving data, and returning to continuously execute SS 3;
SS 5: judging that the engineering vehicle is suspected to be in a stop state;
SS 6: recording the time point, and counting the stay time;
SS 7: judging whether the stay time is greater than or equal to a preset stay time threshold value or not to obtain a fifth judgment result; if the fifth judgment result is yes, SS8 is executed;
SS 8: marking the position points as dwell points;
SS 9: judging whether all the driving data of the engineering vehicle are processed or not to obtain a sixth judgment result; if the sixth judgment result is negative, acquiring next driving data, and returning to the loop to execute SS 3-SS 9;
if the sixth judgment result is yes, the process returns to the step of executing the SS1, all the driving data of the next engineering truck are acquired, and the process loops from the SS2 to the SS 9.
According to the description, each piece of driving data of each engineering vehicle is independently subjected to dynamic analysis processing until all pieces of driving data are processed, so that the driving data are prevented from being omitted and processed; and the engineering vehicle with the stopping behavior and the stopping point determined according to the driving data can be more accurate.
Further, after the "acquiring the first driving track corresponding to each of the engineering vehicles with stopping behaviors", the method further includes:
matching the first driving track with an urban road network;
and acquiring a second driving track which cannot be coincided with the urban road network.
According to the description, the driving tracks of the known roads in the urban road network are removed, the second driving track on the newly added road is obtained, and analysis processing basis is provided for subsequently and specifically obtaining information of newly added buildings in remote areas.
Further, the step of judging whether the first driving track set has a driving track aggregation phenomenon; if so, acquiring a corresponding first driving area according to the clustered first driving tracks; judging whether the number of marked stopping points in the first driving area is greater than or equal to a preset stopping point threshold value or not; if yes, matching the first driving area with map data, and acquiring the area where the newly added building is located:
obtaining a stopping point corresponding to the second driving track;
judging whether the second driving track set has the phenomenon of driving track set or not to obtain a seventh judgment result;
if the seventh judgment result is yes, acquiring a corresponding second driving area according to the clustered second driving track;
judging whether the number of the stop points corresponding to the second driving track in the second driving area is greater than or equal to a preset stop point threshold value or not, and obtaining an eighth judgment result;
if the eighth judgment result is yes, judging that the second driving area is a building construction area;
and matching the building construction area with the map data to obtain the area where the newly added building is located.
According to the description, the second driving track which does not belong to the urban road network is analyzed and processed, and the area where the corresponding newly added building is located is obtained; the information of the newly added buildings in the undeveloped areas is acquired in a targeted manner; the problem that some newly-added buildings cannot be found in time due to being located in remote and desolate and cool areas such as suburbs is solved.
Further, after the "determining that the second driving area is the building construction area", the method further includes:
and clustering the stop points corresponding to the second driving track in the second driving area to obtain a building construction area formed after clustering.
From the above description, it can be known that clustering processing is performed on the stop points in the construction area determined as having the newly added building, so as to further reduce the range of the construction area and significantly improve the accuracy of the determined area where the newly added building is located.
Referring to fig. 4, another technical solution provided by the present invention is: a system for identifying newly added buildings, comprising:
the system comprises a first acquisition module 1, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring driving data of all engineering vehicles within a preset time period;
the second acquisition module 2 is used for acquiring the engineering vehicle with the stopping behavior according to the driving data;
the marking module 3 is used for marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
the third obtaining module 4 is configured to obtain a first driving track corresponding to each engineering vehicle with the stopping behavior;
the fourth obtaining module 5 is configured to obtain first driving track sets corresponding to all the engineering vehicles with stopping behaviors;
the first judging module 6 is configured to judge whether a phenomenon of vehicle trajectory aggregation exists in the first vehicle trajectory set, so as to obtain a first judging result;
a fifth obtaining module 7, configured to, when the first determination result is yes, obtain a corresponding first driving area according to the gathered first driving trajectory;
a second judgment module 8, configured to judge whether the number of marked stopping points in the first driving area is greater than or equal to a preset stopping point threshold value, so as to obtain a second judgment result;
and the first matching module 9 is configured to, when the second determination result is yes, match the first driving area with the map data to obtain an area where the newly added building is located.
From the above description, the beneficial effects of the present invention are: analyzing the driving data of all the engineering vehicles acquired by the first acquisition module 1 through the second acquisition module 2 to acquire the engineering vehicles with stopping behaviors; acquiring a first driving track set corresponding to all the engineering vehicles with stopping behaviors through a fourth acquisition module 5; judging whether a driving track aggregation phenomenon exists or not through a first judging module 6, and acquiring a first driving area through a fifth acquiring module 7; judging whether the number of marked stopping points in the first driving area exceeds a preset stopping point threshold value or not through a second judging module 8; and finally, the first driving area judged to be yes by the second judging module 8 is matched with the map data through the first matching module 9, and finally the area where the newly added building is located is confirmed. The method can timely and accurately acquire the area where the newly added building is located according to the driving track of the engineering vehicle, and can provide scientific decision, prediction analysis and technical support for road planning of a traffic administration department, path planning of a navigation system and third-party operators; the practicability and accuracy of road planning and path planning are guaranteed, and a third party provides targeted services.
Referring to fig. 6 and 7, further, the driving data includes the number, speed, time point and position point information of the engineering vehicle;
the second acquiring module 2 comprises a first acquiring unit 22, a second acquiring unit 23, a first judging unit 24, a first recording unit 25, a judging unit 26, a second recording unit 27 and a second judging unit 28;
the marking module 3 comprises a marking unit 31 and a third judging unit 32;
the first obtaining unit 22 is configured to obtain all driving data of an engineering vehicle arranged according to a time axis sequence according to the serial number and the time point; and the data acquisition unit is also used for acquiring all the driving data of the next engineering truck when the sixth judgment result is yes.
The second obtaining unit 23 is configured to obtain driving data; the system is also used for acquiring the next driving data when the fourth judgment result is negative or the sixth judgment result is negative;
the first judging unit 24 is configured to judge whether the speed is less than or equal to a preset speed threshold, so as to obtain a fourth judgment result;
the first recording unit 25 is configured to record the driving track of the engineering vehicle when the fourth determination result is negative;
the determination unit 26 is configured to determine that the engineering vehicle is suspected to be in a stop state;
the second recording unit 27 is configured to record the time point and count the retention time;
the second judging unit 28 is configured to judge whether the staying time is greater than or equal to a preset staying time threshold, so as to obtain a fifth judgment result;
the marking unit 31 is configured to mark the position point as a stop point when the fifth determination result is yes;
the third determining unit 32 is configured to determine whether all the driving data of the engineering vehicle have been processed, so as to obtain a sixth determining result.
As can be seen from the above description, the first judging unit 24 judges whether the engineering vehicle is in the stop state according to the speed, and on the basis, obtains the stop duration of the engineering vehicle according to the time point through the judging unit 26 and the second recording unit 27; when the second judging unit 28 judges that the stay time exceeds the preset stay time threshold, it is determined that the engineering vehicle really has stay behavior; the analysis and judgment have pertinence, and the accuracy of the analysis result can be improved.
Referring to fig. 5, further, the method further includes:
the second matching module 10 is used for matching the first driving track with an urban road network;
a sixth obtaining module 11, configured to obtain a second driving trajectory that fails to coincide with the urban road network.
As can be seen from the above description, the second matching module 10 and the sixth obtaining module 11 remove the driving tracks of the known roads in the urban road network, and obtain the second driving track on the newly added road, so as to provide an analysis basis for subsequently and specifically obtaining the information of the newly added building in the remote area.
Further, the system also comprises a seventh obtaining module 12 and a judging module 13;
the seventh obtaining module 12 is configured to obtain a stopping point corresponding to the second trajectory;
the first judging module 6 is specifically configured to judge whether a phenomenon of vehicle trajectory aggregation exists in the second vehicle trajectory set, so as to obtain a seventh judging result;
the fifth obtaining module 7 is specifically configured to, when the seventh determination result is yes, obtain a corresponding second driving area according to the clustered second driving trajectory;
the second judging module 8 is specifically configured to judge whether the number of the stopping points corresponding to the second driving trajectory in the second driving area is greater than or equal to a preset stopping point threshold value, so as to obtain an eighth judging result;
the determination module 13 is configured to determine that the second driving area is a building construction area when the eighth determination result is yes;
the first matching module 9 is specifically configured to match the building construction area with map data to obtain an area where a newly added building is located.
According to the description, the second driving track which does not belong to the urban road network is analyzed and processed, and the area where the corresponding newly added building is located is obtained; the information of the newly added buildings in the undeveloped areas is acquired in a targeted manner; the problem that some newly-added buildings cannot be found in time due to being located in remote and desolate and cool areas such as suburbs is solved.
Referring to fig. 2 and fig. 3, a first embodiment of the present invention is:
a method for identifying a newly added building comprises the following steps:
s1: acquiring the driving data of the engineering vehicle in the next month; the driving data of the engineering vehicle is obtained by periodically collecting information including an ID number, a current time point, a GPS speed, a position point and the like of the engineering vehicle in a preset time length by utilizing a vehicle-mounted positioning system loaded on the engineering vehicle according to a preset collection period T; the ID number can be a license plate number or other numbers of the engineering vehicle; and the driving data is transmitted to a data center through wireless mobile communication technologies such as a mobile cellular communication technology and the like, so that a reliable data analysis basis is provided for the subsequent statistical analysis of the driving data of the engineering vehicle by the data center. The acquisition period T can be every 10s, 30s, 40s or 60s and the like;
s2: reading a driving data;
s3: classifying the driving data according to the recorded ID number of the engineering vehicle to obtain all driving data corresponding to each engineering vehicle;
s4: storing the running data corresponding to each engineering vehicle according to the front and back sequence of a time axis according to the current time point recorded by the running data;
s5: judging whether all collected driving data sets are processed;
if not, returning to execute S2, acquiring the next driving data, and continuing to execute S3-S5;
if yes, go to S6;
s6: extracting all driving data of one engineering vehicle, such as the engineering vehicle with the ID number of 1;
s7: reading a piece of driving data;
s8: judging whether the GPS speed recorded by the driving data is less than or equal to a speed threshold value a, wherein the speed threshold value a is preferably 10 km/h;
if not, go to S9; if yes, go to S10;
s9: recording the driving track of the engineering vehicle according to the current position point; and returning to execute S7, acquiring the next driving data, and continuing to execute S8;
s10: judging the suspected stay of the engineering vehicle, and marking the current time point as a stay time point;
s11: counting the stay time T according to the stay time point, and recording the driving track of the engineering vehicle;
s12: judging whether the residence time T of the engineering vehicle is greater than or equal to a residence time threshold T, wherein T is preferably 15min-100min, and T is assumed to be 30 min; if not, executing S13; if yes, go to S14;
s13: marking is not carried out, the step returns to execute S7, the next piece of driving data is obtained, and the step continues to execute S8;
s14: confirming that the engineering vehicle really has a stopping behavior; marking a stop point;
s15: judging whether all the driving data of the engineering vehicle are processed;
if not, go to S16; if yes, go to S17;
s16: acquiring next driving data, and continuing to execute S8;
s17: judging whether all the driving data of all the engineering vehicles are processed;
if not, go to S18; if yes, go to S19;
s18: returning to execute S6, acquiring all the traveling data of the next engineering vehicle (the engineering vehicle with the ID of number 2), and continuing to execute S7;
s19: counting the stopping points of all marked engineering vehicles; acquiring a first driving track corresponding to the engineering vehicle with the stopping behavior;
s20: matching a first driving track with an urban road network, and judging whether the first driving track is superposed with the urban road network;
if yes, judging that the engineering vehicle is positioned on a known road of the urban road, and leaving the first driving track;
if not, judging that the engineering vehicle is positioned on the newly added road, and extracting a second driving track which cannot be superposed with the urban road network;
s21: acquiring a stop point of the engineering vehicle corresponding to the second driving track;
s22: judging whether a second driving track aggregation phenomenon exists in the second driving track set, wherein the aggregation phenomenon may be one place or two or three places, which indicates that three building construction points may exist at the same time;
if the aggregation phenomenon does not occur, the treatment is not carried out;
if the aggregation phenomenon occurs, acquiring a corresponding second driving area according to the dense second driving track; the second driving area is a suspected building construction area;
s23: judging whether the second driving area is substantially rectangular, if so, executing S24; if not, no processing is carried out;
s24: judging whether the number of stop points corresponding to the second driving track in the second driving area is greater than or equal to a preset stop point threshold value M, wherein M is preferably 50-200 points, and M is assumed to be 100 points;
if not, the suspected building construction area identity of the second driving area is eliminated, and no treatment is carried out;
if so, confirming that the second driving area is a building construction area;
s25: and clustering the stop points corresponding to the second driving track in the second driving area to obtain a building construction area formed after clustering, reducing the building construction area and improving the accuracy of the finally determined area where the newly added building is located.
Referring to fig. 4, fig. 6 and fig. 7, a second embodiment of the present invention is:
a system for identifying newly added buildings, comprising:
the system comprises a first acquisition module 1, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring driving data of all engineering vehicles within a preset time period; the driving data comprises the number, the speed, the time point and the position point information of the engineering vehicle;
the second acquisition module 2 is used for acquiring the engineering vehicle with the stopping behavior according to the driving data;
the marking module 3 is used for marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
the third obtaining module 4 is configured to obtain a first driving track corresponding to each engineering vehicle with the stopping behavior;
the fourth obtaining module 5 is configured to obtain first driving track sets corresponding to all the engineering vehicles with stopping behaviors;
the first judging module 6 is configured to judge whether a phenomenon of vehicle trajectory aggregation exists in the first vehicle trajectory set, so as to obtain a first judging result;
a fifth obtaining module 7, configured to, when the first determination result is yes, obtain a corresponding first driving area according to the gathered first driving trajectory;
a second judgment module 8, configured to judge whether the number of marked stopping points in the first driving area is greater than or equal to a preset stopping point threshold value, so as to obtain a second judgment result;
the first matching module 9 is configured to, when the second determination result is yes, match the first driving area with map data to obtain an area where the newly added building is located;
the second acquiring module 2 comprises a first acquiring unit 22, a second acquiring unit 23, a first judging unit 24, a first recording unit 25, a judging unit 26, a second recording unit 27 and a second judging unit 28;
the marking module 3 comprises a marking unit 31 and a third judging unit 32;
the first obtaining unit 22 is configured to obtain all driving data of an engineering vehicle arranged according to a time axis sequence according to the serial number and the time point; and the data acquisition unit is also used for acquiring all the driving data of the next engineering truck when the sixth judgment result is yes.
The second obtaining unit 23 is configured to obtain driving data; the system is also used for acquiring the next driving data when the fourth judgment result is negative or the sixth judgment result is negative;
the first judging unit 24 is configured to judge whether the speed is less than or equal to a preset speed threshold, so as to obtain a fourth judgment result;
the first recording unit 25 is configured to record the driving track of the engineering vehicle when the fourth determination result is negative;
the determination unit 26 is configured to determine that the engineering vehicle is suspected to be in a stop state;
the second recording unit 27 is configured to record the time point and count the retention time;
the second judging unit 28 is configured to judge whether the staying time is greater than or equal to a preset staying time threshold, so as to obtain a fifth judgment result;
the marking unit 31 is configured to mark the position point as a stop point when the fifth determination result is yes;
the third determining unit 32 is configured to determine whether all the driving data of the engineering vehicle have been processed, so as to obtain a sixth determining result.
Referring to fig. 5, a third embodiment of the present invention is:
a system for identifying newly added buildings, comprising:
the system comprises a first acquisition module 1, a second acquisition module and a control module, wherein the first acquisition module is used for acquiring driving data of all engineering vehicles within a preset time period; the driving data comprises the number, the speed, the time point and the position point information of the engineering vehicle;
the second acquisition module 2 is used for acquiring the engineering vehicle with the stopping behavior according to the driving data;
the marking module 3 is used for marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
the third obtaining module 4 is configured to obtain a first driving track corresponding to each engineering vehicle with the stopping behavior;
the fourth obtaining module 5 is configured to obtain first driving track sets corresponding to all the engineering vehicles with stopping behaviors;
the second matching module 10 is used for matching the first driving track with an urban road network;
a sixth obtaining module 11, configured to obtain a second driving trajectory that fails to coincide with the urban road network;
the seventh obtaining module 12 is configured to obtain a stopping point corresponding to the second trajectory;
the first judging module 6 is configured to judge whether a phenomenon of vehicle trajectory aggregation exists in the second vehicle trajectory set, so as to obtain a seventh judging result;
a fifth obtaining module 7, configured to, when the seventh determination result is yes, obtain a corresponding second driving area according to the clustered second driving trajectory;
the second judging module 8 is configured to judge whether the number of the stopping points corresponding to the second driving trajectory in the second driving area is greater than or equal to a preset stopping point threshold value, so as to obtain an eighth judging result;
the determination module 13 is configured to determine that the second driving area is a building construction area when the eighth determination result is yes;
and the first matching module 9 is used for matching the building construction area with the map data to obtain the area where the newly added building is located.
In summary, the identification method for the newly added building provided by the invention is different from the message lag caused by the mechanicalness of the newly added building information obtained in the prior art, the driving track and the main stopping point of the engineering vehicle are obtained by dynamically analyzing and processing the driving data of the engineering vehicle, and the area where the newly added building is located is determined through judgment; accurate information of the newly added building can be updated in time; furthermore, the method and the device can not only identify the information of the newly added buildings in the urban road network, but also pertinently acquire the information of the newly added buildings in the undeveloped areas, and realize the purpose of identifying the information of the newly added buildings in the specific areas according to different requirements of users; thereby providing convenience to a third party, a traffic administration, or a navigation system.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (1)
1. The method for dynamically analyzing the engineering vehicle to realize the identification of the newly added building is characterized by comprising the following steps of:
acquiring driving data of all engineering vehicles within a preset time period;
acquiring an engineering vehicle with a stopping behavior according to the driving data;
marking a stopping point of the engineering vehicle according to the position point recorded by the driving data;
acquiring a first driving track corresponding to each engineering vehicle with the stopping behavior;
acquiring a first driving track set corresponding to all engineering vehicles with stopping behaviors;
matching the first driving track with an urban road network;
acquiring a second driving track which cannot be superposed with the urban road network;
judging whether the phenomenon of the running track aggregation exists in the first running track aggregation or not to obtain a first judgment result;
if the first judgment result is yes, acquiring a corresponding first driving area according to the gathered first driving tracks;
judging whether the number of marked stopping points in the first driving area is larger than or equal to a preset stopping point threshold value or not to obtain a second judgment result;
if the second judgment result is yes, matching the first driving area with map data to obtain the area where the newly added building is located;
the driving data comprises the number, the speed, the time point and the position point information of the engineering vehicle; the engineering vehicle with the stopping behavior is obtained according to the driving data; marking the stopping point of the engineering vehicle according to the position point recorded by the driving data specifically comprises the following steps:
SS 1: acquiring all driving data of an engineering vehicle which are sequentially arranged according to a time axis according to the serial numbers and the time points;
SS 2: acquiring driving data;
SS 3: judging whether the speed is less than or equal to a preset speed threshold value or not to obtain a fourth judgment result; if the fourth judgment result is negative, SS4 is executed; if the fourth judgment result is yes, SS5 is executed;
SS 4: continuously acquiring next driving data, and returning to continuously execute SS 3;
SS 5: judging that the engineering vehicle is suspected to be in a stop state;
SS 6: recording the time point, and counting the stay time;
SS 7: judging whether the stay time is greater than or equal to a preset stay time threshold value or not to obtain a fifth judgment result; if the fifth judgment result is yes, SS8 is executed;
SS 8: marking the position points as dwell points;
SS 9: judging whether all the driving data of the engineering vehicle are processed or not to obtain a sixth judgment result; if the sixth judgment result is negative, acquiring next driving data, and returning to the loop to execute SS 3-SS 9;
if the sixth judgment result is yes, the process returns to the step of executing the SS1, all the driving data of the next engineering truck are acquired, and the process loops from the SS2 to the SS 9.
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