CN108961478B - Irregular electronic fence generation method of intelligent identification system for vehicle - Google Patents
Irregular electronic fence generation method of intelligent identification system for vehicle Download PDFInfo
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- CN108961478B CN108961478B CN201710377824.4A CN201710377824A CN108961478B CN 108961478 B CN108961478 B CN 108961478B CN 201710377824 A CN201710377824 A CN 201710377824A CN 108961478 B CN108961478 B CN 108961478B
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- electronic fence
- irregular
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Abstract
The invention relates to an irregular electronic fence generation method of an intelligent identification system for a vehicle, which comprises the following steps: s1: positioning a positioning point on a map by utilizing a GPS according to the selection of a client; s2: finding out the existing electronic fence of the positioning point, and forming an irregular polygonal electronic fence set by the existing electronic fence; s3: the irregular polygonal electronic fence is sequentially assembled into a character string to be stored, and the irregular polygonal electronic fence is generated. The irregular electronic fence can be accurate to the meter level, can only cover city streets and does not need to cover cells beside the streets and the like; the equipment based on the positioning system is convenient to monitor and alarm, and the area to which the equipment belongs is standardized; the fixed-point maintenance of the equipment by the operation and maintenance personnel of the equipment can be improved.
Description
Technical Field
The invention relates to an irregular electronic fence generation method of an intelligent identification system for a vehicle, and belongs to the technical field of electronic fence generation methods.
Background
A geofence is essentially a virtual boundary that is delineated around a certain geographic area in the real world, meaning that a user can only obtain information about the area if they physically appear in the area within a particular geofence. Once a user leaves the geo-fenced area where a point is located, they cannot obtain this information.
Nowadays, the number of motor vehicles is increasing, but effective management is not achieved all the time, so that under many conditions and the efficiency of working motor vehicles is low, the vehicles do not exert due values, not only waste properties, but also waste a large amount of time, for example, taxis are detoured, and the working vehicles use the authority to handle private matters during working hours.
In the prior art, an electronic fence for a vehicle usually uses a certain point as a circle center and a certain length as a radius, so that the electronic fence has a great defect in a real environment, for example, when the electronic fence is arranged on a long and narrow sidewalk on the side of a road, the fence is not required to be arranged opposite to the road, the circle can only be drawn by using a target point as the circle center and using the maximum required length as a diameter, and as a result, a large part of the area is not required to be included.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the problems, the irregular electronic fence generation method of the intelligent identification system for the vehicle is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an irregular electronic fence generation method of an intelligent recognition system for a vehicle comprises the following steps:
s1: positioning a positioning point on a map by utilizing a GPS according to the selection of a client;
s2: finding out the existing electronic fence of the positioning point, and forming an irregular polygonal electronic fence set by the existing electronic fence;
s3: and assembling the irregular polygon electronic fence set into a character string in sequence, and storing to generate an irregular polygon electronic fence.
Preferably, the method further comprises the step S4: and when detecting whether the positioning equipment is in the irregular polygon electronic fence, comparing whether P (ng 1 and lat1) falls into the irregular polygon electronic fence according to the longitude and latitude P (ng 1 and lat1) of GPS data reported by the positioning equipment.
Preferably, the existing electronic fence near the positioning point is found out through a Geohash algorithm.
Preferably, the number of the points of the polygon of the irregular polygon electronic fence is not more than 10, and the distance between any two points of the polygon cannot exceed 5 km.
The invention has the beneficial effects that: the invention solves the problems that in actual application, a circular area covers a plurality of unnecessary areas, and the areas are inaccurate. And the irregular electronic fence can be accurate to the meter level, can only cover city streets and does not need to cover cells beside the streets and the like. The equipment based on the positioning system is convenient to monitor and alarm, and the area to which the equipment belongs is standardized; the fixed-point maintenance of the equipment by the operation and maintenance personnel of the equipment can be improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of one embodiment of the present invention;
FIG. 2 is a schematic diagram of one embodiment of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Example 1
The invention relates to a method for generating an irregular electronic fence of an intelligent identification system for a vehicle, which is shown in fig. 1, and comprises the following steps:
s1: positioning a positioning point on a map by utilizing a GPS according to customer selection, specifically according to the time available for customer selection, or directly selecting on the map, wherein the map can be called and used from third-party software;
s2: finding out the existing electronic fence of the positioning point, and forming an irregular polygon electronic fence set { N1, N2, …, N7}, by using the existing electronic fence; as shown in fig. 2;
s3: and sequentially assembling the irregular polygon electronic fence set { N1, N2, … and N7} into a character string, and storing the character string to generate an irregular polygon electronic fence.
The invention solves the problems that in actual application, a circular area covers a plurality of unnecessary areas, and the areas are inaccurate. And the irregular electronic fence can be accurate to the meter level, can only cover city streets and does not need to cover cells beside the streets and the like. The equipment based on the positioning system is convenient to monitor and alarm, and the area to which the equipment belongs is standardized; the fixed-point maintenance of the equipment by the operation and maintenance personnel of the equipment can be improved.
In a preferred embodiment, the method further comprises step S4: and when detecting whether the positioning equipment is in the irregular polygon electronic fence, comparing whether P (ng 1 and lat1) falls into the irregular polygon electronic fence according to the longitude and latitude P (ng 1 and lat1) of GPS data reported by the positioning equipment.
In a preferred embodiment, the existing electronic fence near the positioning point is found out through a Geohash algorithm (which is a method of converting longitude and latitude coordinate data into a one-dimensional character string for indexing), and the response speed can be effectively improved by adopting the algorithm.
In a preferred embodiment, the number of the polygon points of the irregular polygon electronic fence is not more than 10, and the distance between any two points of the polygon is not more than 5km, which is a preferred value, because too many points and too large distance may cause the circumscribed circle corresponding to the center of the polygon to be too large, which is not favorable for displaying the surrounding electronic fence on the map.
The generation method provided by the invention is used for optimizing the ray algorithm, and on the premise of ensuring accuracy, the purposes of high efficiency, less time consumption, less memory occupation and the like are achieved. The generation method requires that the electronic fence is preprocessed before monitoring so as to improve the efficiency of a subsequent generation method, when monitoring is carried out in real time, only a small part of position points need to be subjected to a ray algorithm, and the rest of position points can directly judge whether the electronic fence is surpassed or not and are finally realized on a handheld intelligent terminal.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. An irregular electronic fence generation method of an intelligent recognition system for a vehicle is characterized by comprising the following steps:
s1: positioning a positioning point on a map by utilizing a GPS according to the selection of a client;
s2: finding out the existing electronic fence of the positioning point, and forming an irregular polygonal electronic fence set by the existing electronic fence;
s3: assembling the irregular polygon electronic fence set into a character string in sequence, and storing to generate an irregular polygon electronic fence;
the number of the points of the polygon of the irregular polygon electronic fence is not more than 10, and the distance between any two points of the polygon is not more than 5 km.
2. The irregular electronic fence generating method for intelligent recognition system of vehicle as claimed in claim 1, further comprising step S4: and when detecting whether the positioning equipment is in the irregular polygon electronic fence, comparing whether P (ng 1 and lat1) falls into the irregular polygon electronic fence according to the longitude and latitude P (ng 1 and lat1) of GPS data reported by the positioning equipment.
3. The irregular electronic fence generation method of intelligent identification system for vehicles as claimed in claim 1, wherein the existing electronic fence near the anchor point is found out by Geohash algorithm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710377824.4A CN108961478B (en) | 2017-05-19 | 2017-05-19 | Irregular electronic fence generation method of intelligent identification system for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710377824.4A CN108961478B (en) | 2017-05-19 | 2017-05-19 | Irregular electronic fence generation method of intelligent identification system for vehicle |
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| Publication Number | Publication Date |
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| CN108961478A CN108961478A (en) | 2018-12-07 |
| CN108961478B true CN108961478B (en) | 2021-03-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112770261B (en) * | 2021-01-11 | 2022-12-27 | 浙江航芯科技有限公司 | Irregular electronic fence positioning system and method |
| CN113313620B (en) * | 2021-06-10 | 2023-04-18 | 平安国际智慧城市科技股份有限公司 | Method, device and equipment for detecting vehicle and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105528384A (en) * | 2014-10-27 | 2016-04-27 | 阿里巴巴集团控股有限公司 | An information push method and device |
| CN105766007A (en) * | 2013-11-28 | 2016-07-13 | 微软技术许可有限责任公司 | Geofence compositions |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8903426B2 (en) * | 2011-03-01 | 2014-12-02 | Nexstar Broadcasting, Inc. | Geotargeted news and advertisement delivery system |
| CN106488400B (en) * | 2015-08-31 | 2019-10-22 | 中国电信股份有限公司 | Generate the method and device of geography fence |
| CN106652756A (en) * | 2015-11-03 | 2017-05-10 | 圆通速递有限公司 | Polygon accurate drawing method based on electronic map and application method thereof |
| CN106504563A (en) * | 2016-11-02 | 2017-03-15 | 四川长虹电器股份有限公司 | Automotive electronics fence detecting system and method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766007A (en) * | 2013-11-28 | 2016-07-13 | 微软技术许可有限责任公司 | Geofence compositions |
| CN105528384A (en) * | 2014-10-27 | 2016-04-27 | 阿里巴巴集团控股有限公司 | An information push method and device |
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Effective date of registration: 20230306 Address after: No. 2, No. 50, Chunjiang Road, Heqiao town industrial concentration zone, Yixing City, Wuxi City, Jiangsu Province, 214000 Patentee after: Aiqu Electric Technology (Wuxi) Co.,Ltd. Address before: 214000 Room 502, 18 intelligent road, Huishan Economic Development Zone, Wuxi, Jiangsu (Development Zone) Patentee before: JIANGSU LIEBA TECHNOLOGY CO.,LTD. |