CN111815960A - Vehicle information display method based on big data - Google Patents
Vehicle information display method based on big data Download PDFInfo
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- CN111815960A CN111815960A CN202010600111.1A CN202010600111A CN111815960A CN 111815960 A CN111815960 A CN 111815960A CN 202010600111 A CN202010600111 A CN 202010600111A CN 111815960 A CN111815960 A CN 111815960A
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- license plate
- vehicle
- data
- image data
- plate number
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/625—License plates
Abstract
The invention relates to a vehicle information display method based on big data, and belongs to the technical field of data processing. The license plate number picture shot by the high-speed camera is subjected to picture module processing, picture information is stored in a data mode, the picture content is extracted through an OCR (optical character recognition) with a high recognition rate and is corrected with a historical database, association of the license plate number picture and historical passing data of a vehicle to which the license plate belongs is achieved, timestamps are added, dragging type movement checking data of a front time sequence and a back time sequence is achieved, the running track of the vehicle can be displayed, association matching of the structured data and the unstructured data is achieved, and the vehicle running information displaying method is more visual.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to the technical field of vehicle information acquisition and display methods, and specifically relates to a vehicle information display method based on big data.
Background
In the prior art, most of vehicle data visualization adopts structured data statistical result chart display, the display forms are 2D and 3D, and the portable dragging simple analysis is supported. However, such a presentation method cannot perform historical data tracing on unstructured data recorded by the high-speed device before cleaning, and cannot realize association matching between structured data and unstructured data (such as license plate pictures), so that it is inconvenient for association presentation.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a vehicle information display method which associates an image with license plate information and is based on big data.
In order to achieve the above object, the big data-based vehicle information display method of the present invention includes the steps of:
(1) acquiring vehicle image data by using a camera device;
(2) identifying a license plate number in the vehicle image data;
(3) associating the vehicle image data with the identified license plate number, and collecting a plurality of vehicle image data of the same license plate number;
(4) the plurality of vehicle image data of the same license plate number are displayed in the form of a draggable time axis.
In the vehicle information display method based on the big data, the vehicle image data are photos or videos, and the photos and the videos both comprise time information.
In the vehicle information display method based on big data, the step (2) is specifically as follows:
and extracting the license plate number in the vehicle image data by using OCR with high recognition rate.
In the vehicle information display method based on big data, the step (3) is specifically as follows:
and storing the vehicle image data in a database by taking the identified license plate number as an index.
In the vehicle information display method based on big data, the step (4) is specifically as follows:
a plurality of vehicle image data stored under the same license plate index are displayed in the form of a draggable time axis.
In the vehicle information display method based on big data, the photos, the videos and the position information are included.
In the vehicle information display method based on big data, the database also stores position information corresponding to the vehicle image data.
In the vehicle information display method based on big data, the step (4) is specifically as follows:
and displaying the running track of the vehicle corresponding to one license plate number on the map by using the position information and the position information.
By adopting the big data-based vehicle information display method, the license plate number picture shot by the high-speed camera is subjected to picture module processing, the picture information is stored in a data mode, meanwhile, the picture content is extracted through OCR with high recognition rate and is corrected and matched with a historical database, association among the license plate number, the license plate picture and historical passing data of a vehicle to which the license plate belongs is realized, time stamps are added, dragging type movement viewing data of front and back time sequences are realized, the vehicle running track can be displayed, and therefore association matching of the structured data and the unstructured data is realized, and the more visual vehicle running information display method is provided.
Drawings
Fig. 1 is a flow chart illustrating steps of a big data-based vehicle information display method according to the present invention.
Fig. 2 is a schematic flow chart of the implementation of the big data-based vehicle information display method in practical application.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following examples are given in detail.
Fig. 1 is a flowchart illustrating steps of a big data-based vehicle information displaying method according to the present invention.
In one embodiment, the big data-based vehicle information presentation method comprises the following steps:
(1) acquiring vehicle image data by using a camera device;
(2) identifying a license plate number in the vehicle image data;
(3) associating the vehicle image data with the identified license plate number, and collecting a plurality of vehicle image data of the same license plate number;
(4) the plurality of vehicle image data of the same license plate number are displayed in the form of a draggable time axis.
In a preferred embodiment, the vehicle image data is a photograph or a video, and both the photograph and the video include time information.
The step (2) is specifically as follows: and extracting the license plate number in the vehicle image data by using OCR with high recognition rate.
The step (3) is specifically as follows: and storing the vehicle image data in a database by taking the identified license plate number as an index.
The step (4) is specifically as follows: a plurality of vehicle image data stored under the same license plate index are displayed in the form of a draggable time axis.
In a more preferred embodiment, said photo and said video sum comprises position information. The database also stores position information corresponding to the vehicle image data. The step (4) is specifically as follows: and displaying the running track of the vehicle corresponding to one license plate number on the map by using the position information and the position information.
In practical application of the invention, as shown in fig. 2, firstly, image data including a license plate is obtained through high-speed equipment, then, OCR is used for recognizing the license plate, then, the highway entrance and exit data related to the license plate is related according to the license plate related attribution data, and then, longitude and latitude information is related through the serial number of the entrance and exit data, so that track points and track lines can be related on a GIS map, a time axis is loaded, high-speed driving data related to the license plate can be generated, and at the moment, the time axis is dragged, and data of a specified vehicle in a certain period of time can be superposed and displayed on the GIS map. Through the processing of the process, the vehicle data can be visually and dynamically displayed on the map, a plurality of vehicles can be displayed simultaneously, the driving route of the vehicle in the designated time period can be completely played back, and a more visual data display mode for a user is provided.
By adopting the big data-based vehicle information display method, the license plate number picture shot by the high-speed camera is subjected to picture module processing, the picture information is stored in a data mode, meanwhile, the picture content is extracted through OCR with high recognition rate and is corrected and matched with a historical database, association among the license plate number, the license plate picture and historical passing data of a vehicle to which the license plate belongs is realized, time stamps are added, dragging type movement viewing data of front and back time sequences are realized, the vehicle running track can be displayed, and therefore association matching of the structured data and the unstructured data is realized, and the more visual vehicle running information display method is provided.
In this specification, the invention has been described with reference to specific embodiments thereof. It will, however, be evident that various modifications and changes may be made thereto without departing from the broader spirit and scope of the invention. The specification and drawings are, accordingly, to be regarded in an illustrative rather than a restrictive sense.
Claims (8)
1. A vehicle information display method based on big data is characterized by comprising the following steps:
(1) acquiring vehicle image data by using a camera device;
(2) identifying a license plate number in the vehicle image data;
(3) associating the vehicle image data with the identified license plate number, and collecting a plurality of vehicle image data of the same license plate number;
(4) the plurality of vehicle image data of the same license plate number are displayed in the form of a draggable time axis.
2. The big data based vehicle information presentation method according to claim 1, wherein the vehicle image data is a photograph or a video, and both the photograph and the video include time information.
3. The big data-based vehicle information display method according to claim 2, wherein the step (2) is specifically as follows:
and extracting the license plate number in the vehicle image data by using OCR with high recognition rate.
4. The big data-based vehicle information display method according to claim 3, wherein the step (3) is specifically as follows:
and storing the vehicle image data in a database by taking the identified license plate number as an index.
5. The big data-based vehicle information display method according to claim 4, wherein the step (4) is specifically as follows:
a plurality of vehicle image data stored under the same license plate index are displayed in the form of a draggable time axis.
6. The big data based vehicle information presentation method of claim 5, wherein the photo and the video sum comprise location information.
7. The big data based vehicle information presentation method according to claim 6, wherein the database further stores position information corresponding to the vehicle image data.
8. The big data-based vehicle information display method according to claim 6, wherein the step (4) is specifically as follows:
and displaying the running track of the vehicle corresponding to one license plate number on the map by using the position information and the position information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600111.1A CN111815960A (en) | 2020-06-28 | 2020-06-28 | Vehicle information display method based on big data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010600111.1A CN111815960A (en) | 2020-06-28 | 2020-06-28 | Vehicle information display method based on big data |
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| CN111815960A true CN111815960A (en) | 2020-10-23 |
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| CN202010600111.1A Pending CN111815960A (en) | 2020-06-28 | 2020-06-28 | Vehicle information display method based on big data |
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Cited By (1)
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Application publication date: 20201023 |
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