CN113076491B - Positioning method and device for high-speed monitoring point positions - Google Patents
Positioning method and device for high-speed monitoring point positions Download PDFInfo
- Publication number
- CN113076491B CN113076491B CN202110268990.7A CN202110268990A CN113076491B CN 113076491 B CN113076491 B CN 113076491B CN 202110268990 A CN202110268990 A CN 202110268990A CN 113076491 B CN113076491 B CN 113076491B
- Authority
- CN
- China
- Prior art keywords
- pile number
- number value
- coordinates
- pile
- coordinate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004364 calculation method Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000012163 sequencing technique Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/95—Retrieval from the web
- G06F16/953—Querying, e.g. by the use of web search engines
- G06F16/9537—Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
-
- 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
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/26—Government or public services
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Development Economics (AREA)
- Educational Administration (AREA)
- Data Mining & Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Economics (AREA)
- General Health & Medical Sciences (AREA)
- Human Resources & Organizations (AREA)
- Marketing (AREA)
- Primary Health Care (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a method and a device for positioning high-speed monitoring points. The method and the device acquire the coordinates of the road points through the Internet map, acquire the coordinates and the pile numbers of the kilometers piles through the road section management department, and calculate through a preset pile number conversion formula and a position information calculation method, so that the position information of the high-speed monitoring point is acquired, the quick acquisition of the position information of the high-speed monitoring point is realized, and the accuracy of the positioning of the high-speed monitoring point is ensured on the basis of greatly reducing the cost of the positioning of the high-speed monitoring point.
Description
Technical Field
The invention relates to the field of positioning of high-speed monitoring points, in particular to a method and a device for positioning the high-speed monitoring points.
Background
Along with the promotion of the construction of a visual, measurable, controllable and serviceable expressway operation monitoring system, in order to continuously improve the service capability and the supervision level and better meet the high-quality travel demands of people, the position information of videos (including bridge tunnels, service areas, toll plaza, overrun detection stations, ETC (electronic toll collection) portal frames, mobile videos and the like) along the expressway needs to be uploaded to a regional cloud platform so as to construct a rapid, comprehensive and convenient expressway operation monitoring system.
At present, the acquisition mode of the monitoring point position information of the expressway is mainly acquisition and recording through a mobile terminal APP, and then the acquired monitoring point position is rectified by utilizing a G I S map and then the monitoring point position information is derived in batches through a background system.
However, the prior art has obvious disadvantages: most of videos along the expressway lack position longitude and latitude information, and due to wide video coverage range and huge data volume, a large amount of manpower and time are required to be consumed in the traditional on-site mobile phone App acquisition mode, and therefore the method is not economical and is not efficient.
Therefore, a method and a device for locating high-speed monitoring points are urgently needed at present, so that the defects that labor time is huge and high-speed monitoring points cannot be quickly collected in the prior art are overcome on the premise of ensuring the accuracy of locating the high-speed monitoring points.
Disclosure of Invention
Aiming at the existing technical problems, the invention aims to provide a positioning method of high-speed monitoring points, which aims to solve the defects that the labor and time are wasted, the high-speed monitoring points cannot be rapidly collected in the prior art, so that the rapidity of the positioning of the high-speed monitoring points is improved and the labor cost and the time cost of the positioning of the high-speed monitoring points are greatly reduced on the premise of ensuring the accuracy of the positioning of the high-speed monitoring points.
The invention provides a method for positioning high-speed monitoring points, which comprises the following steps: acquiring first coordinates of all road points on a road section to be acquired through an internet map; according to a preset pile number conversion formula and preset second coordinates and second pile number values of all kilometers on a road section to be collected, converting the first coordinates of all road points into first pile number values; wherein the second pile number value of each kilometer pile corresponds to the second coordinate one by one; determining pile number value sequences and coordinate sequences between all road points and all kilometers piles on the road section to be acquired according to the second coordinates and the second pile number values as well as the first pile number values and the first coordinates; and calculating and acquiring the position information of the high-speed monitoring point position according to the pile number value sequence, the coordinate sequence and a third pile number value of the preset high-speed monitoring point position by a preset position information calculation method.
In one embodiment, the determining the pile number value sequence and the coordinate sequence between all road points and all kilometers piles on the road section to be collected according to the second coordinates and the second pile number value and the first coordinates specifically includes: according to the preset uplink and downlink directions, sequencing the first pile number values of all road points and the second pile number values of all kilometers piles to obtain a pile number value sequence; and sequencing the first coordinates of all road points and the second coordinates of all kilometers piles, thereby obtaining a pile number value sequence and a coordinate sequence corresponding to the pile number value sequence.
In one embodiment, the calculating, by a preset position information calculating method, the position information of the high-speed monitoring point location according to the pile number value sequence, the coordinate sequence and a third pile number value of the preset high-speed monitoring point location specifically includes: judging whether a fourth pile number value equal to a third pile number value of a preset high-speed monitoring point exists in the pile number value sequence; if so, outputting a fourth coordinate corresponding to the fourth pile number value in the coordinate sequence as position information of the expressway monitoring point position; if the position information does not exist, pile number values adjacent to the third pile number value in front of and behind the third pile number value are obtained in the pile number value sequence, third coordinates corresponding to the third pile number value are obtained through an interpolation method by combining the coordinate sequence, and the third coordinates are output to serve as position information of the expressway monitoring point.
In one embodiment, the preset pile number conversion formula is:
wherein K is i0 For the first pile number value, K i For a second pile number value of a kilometer pile adjacent to the road point corresponding to the first coordinate, S is the sum of spherical distances from the kilometer pile corresponding to the second pile number value to all adjacent road points between the road points corresponding to the first coordinate, and d j Is a spherical distance, specifically:
wherein r= 6371004, (x) 0 ,y 0 )、(x 1 ,y 1 ) Is the longitude and latitude coordinates of two adjacent road points.
In one embodiment, the interpolation method includes a linear interpolation method and a nonlinear interpolation method.
The invention also provides a positioning device of the high-speed monitoring point, which comprises a parameter acquisition module, a conversion module and a position information calculation module, wherein the parameter acquisition module is used for acquiring first coordinates of all road points on a road section to be acquired through an internet map; the conversion module is used for respectively converting the first coordinates of all road points into first pile number values according to a preset pile number conversion formula and second coordinates and second pile number values of all kilometers piles on a preset road section to be acquired; the position information calculation module is used for determining pile number value sequences and coordinate sequences between all road points and all kilometers piles on the road section to be acquired according to the second coordinates, the second pile number values, the first pile number values and the first coordinates; the position information calculation module is also used for calculating the sitting position according to the pile number value sequence by a preset position information calculation method.
In one embodiment, the location information calculation module includes a ranking unit, where the ranking unit is configured to rank, according to a preset uplink and downlink direction, first pile number values of all road points and second pile number values of all kilometers piles, and obtain a pile number value sequence; and sequencing the first coordinates of all road points and the second coordinates of all kilometers piles, thereby obtaining a pile number value sequence and a coordinate sequence corresponding to the pile number value sequence.
In one embodiment, the position information calculating module further includes a judging processing unit, an interpolation unit and an output unit, where the judging processing unit is configured to judge whether a fourth pile number value equal to a third pile number value of a preset high-speed monitoring point exists in the pile number value sequence; if yes, sending fourth coordinates corresponding to the fourth pile number value in the coordinate sequence to an output unit; if not, the third pile number value is sent to an interpolation unit; the interpolation unit is used for acquiring pile number values adjacent to the third pile number value in front of and behind the third pile number value in the pile number value sequence, acquiring a third coordinate corresponding to the third pile number value through an interpolation method by combining a coordinate sequence, and transmitting the third coordinate to the output unit; the output unit is used for outputting the third coordinate or the fourth coordinate to be used as the position information of the expressway monitoring point.
In one embodiment, the interpolation unit may employ a linear interpolation method or a nonlinear interpolation method to interpolate.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
the invention provides a method and a device for positioning a high-speed monitoring point, which are characterized in that first coordinates of all road points on a road section to be acquired are acquired from an Internet map, corresponding first pile number values are obtained through conversion, then pile number value sequences and coordinate sequences between all road points on the road section to be acquired and all kilometers piles are determined according to second coordinates and second pile number values of all kilometers piles on the road section to be acquired and the first pile number values and the first coordinates, and finally position information of the high-speed monitoring point is calculated and acquired according to the pile number value sequences, the coordinate sequences and third pile number values of the preset high-speed monitoring point.
Drawings
The invention will be further described with reference to the accompanying drawings, in which:
FIG. 1 illustrates a logic flow diagram of one embodiment of a method of locating a high-speed monitoring point in accordance with the present invention;
FIG. 2 illustrates a block diagram of one embodiment of a locating device for a high speed monitoring point in accordance with the present invention;
fig. 3 shows a block diagram of another embodiment of a locating device for high-speed monitoring of points according to the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Detailed description of the preferred embodiments
Fig. 1 shows a logic flow diagram of one embodiment of a method of locating a high-speed monitoring point according to the present invention, the method comprising the steps of:
s1, acquiring first coordinates of all road points on a road section to be acquired through an internet map.
The internet map displays to the user various road lines or points depicting the roads actually pointing to the road, each road point having a respective first coordinate, and the road points being correspondingly displayed on the internet map according to the respective first coordinates, thereby forming various roads on the internet map. The first coordinates of all the road points are longitude and latitude data of all the road points. Therefore, in the step, the longitude and latitude data of all road points on the road section to be acquired can be quickly acquired through the Internet map without manual field acquisition like a traditional acquisition mode.
S2: and respectively converting the first coordinates of all road points into first pile number values according to a preset pile number conversion formula.
In order to accurately match the monitoring points of the expressway later, the sample capacity is required to be enlarged, and the pile number data of the expressway point is increased so as to match later. The second coordinates of the kilometer piles arranged every other kilometer on the expressway can be obtained by the road section management department, and the second coordinates of the kilometer piles are longitude and latitude data of the kilometer piles; meanwhile, a second pile number value of the kilometer piles is obtained through the road section management department, so that the uplink and downlink directions are preset according to expectations.
After the uplink and downlink directions are defined, the first coordinates of all road points and the second coordinates of all kilometer piles on a preset road section to be collected are ordered along the expected direction, the accumulated spherical distance between all road points between adjacent kilometer piles is calculated, and the first pile number values of all road points on the road section to be collected are respectively calculated according to a preset pile number conversion formula. In the foregoing, the desired direction may be a preset uplink direction or a preset downlink direction, and the preset uplink direction may be, for example, a direction in which the number of kilometers piles along the traveling direction on the road section to be collected increases.
The preset pile number conversion formula is as follows:
in the above formula, K i0 For the first pile number value, K i A second pile number value d for a kilometer pile adjacent to the road point corresponding to the first coordinate j The spherical distance is the sum of spherical distances from the kilometer pile corresponding to the second pile number value to all adjacent road points between the road points corresponding to the first coordinates, and specifically:
wherein r= 6371004, (x) 0 ,y 0 )、(x 1 ,y 1 ) Is the longitude and latitude coordinates of two adjacent road points.
After the first coordinates of all the road points are converted, the first pile number values of all the road points are obtained, and obviously, the first pile number values and the first coordinates are in one-to-one correspondence.
S3: and determining pile number value sequences and coordinate sequences between all road points and all kilometer piles on the road section to be acquired according to second coordinates and second pile number values of all kilometer piles on the road section to be acquired, as well as the first pile number values and the first coordinates.
Because the high-speed monitoring points are required to be matched subsequently, after the first coordinates and the first pile number values of all road points on the road section to be acquired and the second coordinates and the second pile number values of all kilometers piles on the road section to be acquired are obtained, the whole coordinates and the whole pile number values are required to be ordered, so that a coordinate sequence and a pile number value sequence are obtained. The steps S2-S3 can know that the first coordinates of all road points on the road section to be collected correspond to the first pile number values one by one, the second coordinates of all kilometers on the road section to be collected correspond to the second pile number values one by one, and the first coordinates and the second coordinates are longitude and latitude data, so that each coordinate in the coordinate sequence also necessarily corresponds to each pile number value in the pile number value sequence one by one.
In a preferred embodiment, specifically, according to a preset uplink and downlink direction, sorting the first pile number values of all road points and the second pile number values of all kilometers piles to obtain a pile number value sequence; and sequencing the first coordinates of all road points and the second coordinates of all kilometers piles, thereby obtaining a pile number value sequence and a coordinate sequence corresponding to the pile number value sequence.
And S4, calculating and obtaining the position information of the high-speed monitoring point position according to the pile number value sequence, the coordinate sequence and a third pile number value of the preset high-speed monitoring point position through a preset position information calculation method.
After the coordinate sequence and the pile number value sequence are obtained, a third pile number value of the preset high-speed monitoring point position can be matched, and if the pile number value which is the same as the third pile number value exists in the pile number value sequence, the coordinate corresponding to the pile number value is the coordinate of the high-speed monitoring point position; if not, the coordinates of the high-speed monitoring point positions can be calculated according to the coordinates corresponding to the front and rear adjacent pile number values.
In a preferred embodiment, specifically, judging whether a fourth pile number value equal to a third pile number value of a preset high-speed monitoring point exists in the pile number value sequence; if so, outputting a fourth coordinate corresponding to the fourth pile number value in the coordinate sequence as position information of the expressway monitoring point position; if the position information does not exist, pile number values adjacent to the third pile number value in front of and behind the third pile number value are obtained in the pile number value sequence, third coordinates corresponding to the third pile number value are obtained through an interpolation method by combining the coordinate sequence, and the third coordinates are output to serve as position information of the expressway monitoring point. The interpolation method comprises a linear interpolation method and a nonlinear interpolation method, so that two result requirement trends of simplicity, effectiveness and higher accuracy are provided, and a user can select the interpolation method according to actual requirements.
The embodiment provides a positioning method of a high-speed monitoring point, which comprises the steps of obtaining first coordinates of all road points on a road section to be collected from an internet map, converting the first coordinates into corresponding first pile number values, determining pile number value sequences and coordinate sequences between all road points on the road section to be collected and all kilometers according to second coordinates and second pile number values of all kilometers on the road section to be collected and the first pile number values and the first coordinates, and finally calculating and obtaining position information of the high-speed monitoring point according to the pile number value sequences, the coordinate sequences and third pile number values of the preset high-speed monitoring point.
Second embodiment
In addition to the above method, fig. 2 shows a locating device 1 for high-speed monitoring of points according to the invention. The positioning device 1 comprises a parameter acquisition module 11, a conversion module 12 and a position information calculation module 13.
The parameter collection module 11 is configured to obtain first coordinates of all road points on a road segment to be collected through an internet map, and obtain second coordinates and second pile number values of all kilometers piles on the road segment to be collected through a road segment management department.
The conversion module 12 is configured to convert the first coordinates of all road points into first pile number values according to a preset pile number conversion formula and second coordinates and second pile number values of all kilometers piles on a preset road segment to be collected.
The position information calculating module 13 is configured to determine a pile number value sequence and a coordinate sequence between all road points and all kilometers piles on the road section to be collected according to the second coordinate and the second pile number value and the first coordinate; and the position information of the high-speed monitoring point is calculated and acquired according to the pile number value sequence, the coordinate sequence and a third pile number value of the preset high-speed monitoring point by a preset position information calculation method.
In one embodiment, as shown in fig. 3, the location information calculation module 13 further includes a sorting unit 131, a judgment processing unit 132, an interpolation unit 133, and an output unit 134.
The sorting unit 131 is configured to sort, according to a preset uplink and downlink direction, the first pile number values of all road points and the second pile number values of all kilometers piles, so as to obtain a pile number value sequence; and sequencing the first coordinates of all road points and the second coordinates of all kilometers piles, thereby obtaining a pile number value sequence and a coordinate sequence corresponding to the pile number value sequence.
The judging and processing unit 132 is configured to judge whether a fourth pile number value equal to the third pile number value of the preset high-speed monitoring point exists in the pile number value sequence, and perform corresponding processing according to the judging result.
The interpolation unit 133 is configured to obtain a pile number value adjacent to the third pile number value in the pile number value sequence, obtain a third coordinate corresponding to the third pile number value by combining the coordinate sequence through an interpolation method, and send the third coordinate to the output unit 134, where the interpolation unit 133 may perform interpolation by using a linear interpolation method or a nonlinear interpolation method.
The output unit 134 is configured to output the third coordinate or the fourth coordinate as position information of the highway monitoring point.
The positioning device 1 of the high-speed monitoring point location acquires first coordinates of all road points on a road section to be acquired from an internet map through a parameter acquisition module 11, acquires second coordinates and second pile number values of all kilometers piles on the road section to be acquired through a road section management department, after the parameters are sent to a conversion module 12, the conversion module 12 respectively converts the first coordinates of all the road points into first pile number values, and sends the first coordinates, the first pile number values, the second coordinates and the second pile number values to a position information calculation module 13, the position information calculation module 13 determines and acquires pile number value sequences and coordinate sequences between all the road points and all the kilometers piles on the road section to be acquired through a sequencing unit 131, and then judges whether fourth pile number values equal to a third pile number value of a preset high-speed monitoring point exist in the pile number value sequences through a judgment processing unit 132; if so, transmitting a fourth coordinate corresponding to the fourth pile number value in the coordinate sequence to the output unit 134; if not, the third pile number value is sent to the interpolation unit 133 to perform linear interpolation or nonlinear interpolation and then output, so that the position information of the high-speed monitoring point position is calculated and obtained.
The positioning device for the high-speed monitoring point positions not only realizes the rapid acquisition of the position information of the high-speed monitoring point positions through the coordination action of the parameter acquisition module, the conversion module and the position information calculation module, but also ensures the accuracy of the positioning of the high-speed monitoring point positions on the basis of greatly reducing the cost of the positioning of the high-speed monitoring point positions.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The method for positioning the high-speed monitoring point is characterized by comprising the following steps of:
acquiring first coordinates of all road points on a road section to be acquired through an internet map;
according to a preset pile number conversion formula and preset second coordinates and second pile number values of all kilometers on a road section to be collected, converting the first coordinates of all road points into first pile number values; wherein the second pile number value of each kilometer pile corresponds to the second coordinate one by one; the preset pile number conversion formula is as follows:
wherein K is i0 For the first pile number value, K i For a second pile number value of a kilometer pile adjacent to the road point corresponding to the first coordinate, S is the sum of spherical distances from the kilometer pile corresponding to the second pile number value to all adjacent road points between the road points corresponding to the first coordinate, and d j Is a spherical distance, specifically:
wherein r= 6371004, (x) 0 ,y 0 )、(x 1 ,y 1 ) Longitude and latitude coordinates of two adjacent road points;
determining pile number value sequences and coordinate sequences between all road points and all kilometers piles on the road section to be acquired according to the second coordinates and the second pile number values as well as the first pile number values and the first coordinates;
calculating and acquiring the position information of the high-speed monitoring point position according to the pile number value sequence, the coordinate sequence and a third pile number value of the preset high-speed monitoring point position by a preset position information calculation method; according to the pile number value sequence, the coordinate sequence and a third pile number value of a preset high-speed monitoring point position, the position information of the high-speed monitoring point position is calculated and acquired by a preset position information calculation method, specifically: judging whether a fourth pile number value equal to a third pile number value of a preset high-speed monitoring point exists in the pile number value sequence; if so, outputting a fourth coordinate corresponding to the fourth pile number value in the coordinate sequence as position information of the expressway monitoring point position; if the position information does not exist, pile number values adjacent to the third pile number value in front of and behind the third pile number value are obtained in the pile number value sequence, third coordinates corresponding to the third pile number value are obtained through an interpolation method by combining the coordinate sequence, and the third coordinates are output to serve as position information of the expressway monitoring point.
2. The method for locating high-speed monitoring points according to claim 1, wherein the determining the pile number value sequence and the coordinate sequence between all road points and all kilometers piles on the road section to be collected according to the second coordinates and the second pile number value and the first coordinates is specifically as follows:
according to the preset uplink and downlink directions, sequencing the first pile number values of all road points and the second pile number values of all kilometers piles to obtain a pile number value sequence; and sequencing the first coordinates of all road points and the second coordinates of all kilometers piles, thereby obtaining a pile number value sequence and a coordinate sequence corresponding to the pile number value sequence.
3. The method for locating high-speed monitoring points according to claim 1 or 2, wherein the interpolation method includes a linear interpolation method and a nonlinear interpolation method.
4. A positioning device for high-speed monitoring points is characterized by comprising a parameter acquisition module, a conversion module and a position information calculation module, wherein,
the parameter acquisition module is used for acquiring first coordinates of all road points on a road section to be acquired through an internet map;
the conversion module is used for respectively converting the first coordinates of all road points into first pile number values according to a preset pile number conversion formula and second coordinates and second pile number values of all kilometers piles on a preset road section to be acquired; the preset pile number conversion formula is as follows:
wherein K is i0 For the first pile number value, K i For a second pile number value of a kilometer pile adjacent to the road point corresponding to the first coordinate, S is the sum of spherical distances from the kilometer pile corresponding to the second pile number value to all adjacent road points between the road points corresponding to the first coordinate, and d j Is the spherical distance of the two surfaces of the lens,specifically:
wherein r= 6371004, (x) 0 ,y 0 )、(x 1 ,y 1 ) Longitude and latitude coordinates of two adjacent road points;
the position information calculation module is used for determining pile number value sequences and coordinate sequences between all road points and all kilometers piles on the road section to be acquired according to the second coordinates, the second pile number values, the first pile number values and the first coordinates;
the position information calculation module is further used for calculating and obtaining the position information of the high-speed monitoring point position according to the pile number value sequence, the coordinate sequence and a third pile number value of the preset high-speed monitoring point position through a preset position information calculation method; according to the pile number value sequence, the coordinate sequence and a third pile number value of a preset high-speed monitoring point position, the position information of the high-speed monitoring point position is calculated and acquired by a preset position information calculation method, specifically: judging whether a fourth pile number value equal to a third pile number value of a preset high-speed monitoring point exists in the pile number value sequence; if so, outputting a fourth coordinate corresponding to the fourth pile number value in the coordinate sequence as position information of the expressway monitoring point position; if the position information does not exist, pile number values adjacent to the third pile number value in front of and behind the third pile number value are obtained in the pile number value sequence, third coordinates corresponding to the third pile number value are obtained through an interpolation method by combining the coordinate sequence, and the third coordinates are output to serve as position information of the expressway monitoring point.
5. The positioning device for high-speed monitoring points according to claim 4, wherein the position information calculation module comprises a sequencing unit, wherein the sequencing unit is configured to sequence first pile number values of all road points and second pile number values of all kilometers piles according to a preset uplink and downlink direction, so as to obtain a pile number value sequence; and sequencing the first coordinates of all road points and the second coordinates of all kilometers piles, thereby obtaining a pile number value sequence and a coordinate sequence corresponding to the pile number value sequence.
6. The apparatus according to claim 5, wherein the position information calculating module further comprises a judgment processing unit, an interpolation unit, and an output unit, wherein,
the judging and processing unit is used for judging whether a fourth pile number value equal to a third pile number value of a preset high-speed monitoring point exists in the pile number value sequence;
if yes, sending fourth coordinates corresponding to the fourth pile number value in the coordinate sequence to an output unit;
if not, the third pile number value is sent to an interpolation unit;
the interpolation unit is used for acquiring pile number values adjacent to the third pile number value in front of and behind the third pile number value in the pile number value sequence, acquiring a third coordinate corresponding to the third pile number value through an interpolation method by combining a coordinate sequence, and transmitting the third coordinate to the output unit;
the output unit is used for outputting the third coordinate or the fourth coordinate to be used as the position information of the expressway monitoring point.
7. The device for locating high-speed monitoring points according to any one of claims 4 to 6, wherein the interpolation unit can use a linear interpolation method or a nonlinear interpolation method to perform interpolation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268990.7A CN113076491B (en) | 2021-03-12 | 2021-03-12 | Positioning method and device for high-speed monitoring point positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110268990.7A CN113076491B (en) | 2021-03-12 | 2021-03-12 | Positioning method and device for high-speed monitoring point positions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113076491A CN113076491A (en) | 2021-07-06 |
| CN113076491B true CN113076491B (en) | 2023-06-13 |
Family
ID=76612232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110268990.7A Active CN113076491B (en) | 2021-03-12 | 2021-03-12 | Positioning method and device for high-speed monitoring point positions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113076491B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279735A (en) * | 2018-01-23 | 2018-07-13 | 南京浦和数据有限公司 | The conversion method of highway ten meters of pile No. and longitude and latitude |
| CN108491479A (en) * | 2018-03-12 | 2018-09-04 | 东南大学 | Road section longitude and latitude based on map acquisition and pile No. matching process |
| CN111787480A (en) * | 2019-04-04 | 2020-10-16 | 中国路桥工程有限责任公司 | Monitoring platform and monitoring method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744532A1 (en) * | 1987-12-30 | 1989-07-13 | Bosch Gmbh Robert | START AND DESTINATION INPUTS FOR NAVIGATION SYSTEMS |
| CN105492865B (en) * | 2015-09-02 | 2018-10-02 | 薛俊华 | Interactive dynamic cloud navigation system |
| CN106126729B (en) * | 2016-07-01 | 2019-04-30 | 交通运输部路网监测与应急处置中心 | A kind of acquisition of electronic map kilometer stone data and update method |
| CN108320515B (en) * | 2018-04-04 | 2021-07-02 | 公安部交通管理科学研究所 | Automatic matching and checking method and system for road network of traffic accident site |
| CN111930865B (en) * | 2020-07-28 | 2024-04-05 | 重庆首讯科技股份有限公司 | Expressway pile number and longitude and latitude mapping method for locking key points |
-
2021
- 2021-03-12 CN CN202110268990.7A patent/CN113076491B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108279735A (en) * | 2018-01-23 | 2018-07-13 | 南京浦和数据有限公司 | The conversion method of highway ten meters of pile No. and longitude and latitude |
| CN108491479A (en) * | 2018-03-12 | 2018-09-04 | 东南大学 | Road section longitude and latitude based on map acquisition and pile No. matching process |
| CN111787480A (en) * | 2019-04-04 | 2020-10-16 | 中国路桥工程有限责任公司 | Monitoring platform and monitoring method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113076491A (en) | 2021-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10741062B2 (en) | Determination of a free-flow speed for a link segment | |
| US20230400317A1 (en) | Methods and Systems for Generating Route Data | |
| CN108932331B (en) | Map data updating method, device and system | |
| CN102147260B (en) | Electronic map matching method and device | |
| US9797740B2 (en) | Method of determining trajectories through one or more junctions of a transportation network | |
| US9830817B2 (en) | Bus station optimization evaluation method and system | |
| CN102521973B (en) | A kind of mobile phone switches the road matching method of location | |
| CN108109423B (en) | Underground parking lot intelligent navigation method and system based on WiFi indoor positioning | |
| US6975939B2 (en) | Mapping patterns of movement based on the aggregation of spatial information contained in wireless transmissions | |
| CN108168562B (en) | Method for extracting stop point of positioning track | |
| CN110796337B (en) | System for evaluating service accessibility of urban bus stop | |
| CN106604228A (en) | Fingerprint positioning method based on LET signaling data | |
| CN202134048U (en) | Scenic area visitor distribution statistical system | |
| CN102324182A (en) | Traffic road information detection system based on cellular network and detection method thereof | |
| CN114885369B (en) | Network coverage quality detection processing method and device, electronic equipment and storage medium | |
| Xing et al. | Traffic volume estimation in multimodal urban networks using cell phone location data | |
| CN108281023A (en) | A kind of method and system showing real-time road by mobile terminal | |
| CN109166336B (en) | Real-time road condition information acquisition and pushing method based on block chain technology | |
| CN108447257B (en) | Web-based traffic data analysis method and system | |
| CN112905856B (en) | Method for constructing high-speed traffic data set with space-time dependence | |
| CN101141683B (en) | System and method for implementing landmark collection of geographic information system using mobile phone | |
| CN114004950A (en) | Intelligent pavement disease identification and management method based on BIM and LiDAR technology | |
| CN113076491B (en) | Positioning method and device for high-speed monitoring point positions | |
| CN111177297B (en) | Dynamic target speed calculation optimization method based on video and GIS | |
| CN103731860A (en) | Method for computing mobile network signal coverage intensity based on vehicle-mounted terminal data |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lv Hongyan Inventor after: Peng Danmei Inventor after: Chen Jiaqi Inventor after: Liu Dian Inventor before: Lv Hongyan Inventor before: Chen Jiaqi Inventor before: Liu Dian |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |