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Method, device and terminal equipment of track point optimization of driving track and medium

A technology of driving trajectory and optimization method, applied in special data processing applications, instruments, electrical digital data processing and other directions, can solve the problems of large memory overhead, large bandwidth consumption, large amount of transmitted data, etc. Speed, the effect of optimizing the trajectory data

Inactive Publication Date: 2018-10-19
广州北斗物联网有限公司
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  • Application Information

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Problems solved by technology

[0003] In the process of realizing the embodiment of the present invention, the inventor found that: with the development of the times, in addition to the increasing requirements for the display effect of the vehicle's driving track and whether the actual driving of the vehicle is appropriate, the transmission speed, the reduction of memory, and the reduction of The requirements for bandwidth, server cost reduction, etc. are getting higher and higher, and the existing methods need to collect a large number of data points and persist them, which increases the burden on the server and database; secondly, the amount of transmitted data is large, the transmission speed is slow, and the bandwidth consumption is large; and APP and web pages have a large number of drawing points and a large memory overhead

Method used

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  • Method, device and terminal equipment of track point optimization of driving track and medium
  • Method, device and terminal equipment of track point optimization of driving track and medium
  • Method, device and terminal equipment of track point optimization of driving track and medium

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no. 2 example

[0054] On the basis of the first embodiment of the present invention, after S15, it also includes:

[0055] Obtain a coordinate point saved before the second coordinate point from the position information table as a third coordinate point.

[0056] Calculate angle offsets between the first coordinate point and the second coordinate point and the third coordinate point.

[0057] When the angle offset is smaller than a preset angle threshold, delete the second coordinate point from the position information table.

[0058] In the embodiment of the present invention, please refer to image 3 , the terminal device obtains the coordinate point saved before the second coordinate point from the position information table as a third coordinate point, and then calculates the first coordinate point and the second coordinate point and The angle offset between the third coordinate points, if the offset is less than a preset angle threshold, discard the second coordinate point, delete the...

no. 3 example

[0060] On the basis of the first embodiment of the present invention, it also includes:

[0061] The position information table is transmitted to the track drawing device, so that the track drawing device draws the driving track according to the coordinate points in the position information table.

[0062] In the embodiment of the present invention, the terminal device transmits the screened location information table storing valid coordinate points to the APP or webpage, so that the device where the APP or webpage is located can perform a driving trajectory according to the coordinate points in the location information table. Drawing, using optimized trajectory data to draw the same effect of car driving trajectory, reducing the drawing work of APP and webpage to save memory overhead, and realize the comprehensive utilization of operating resources.

[0063] see Figure 4 , the fourth embodiment of the present invention provides a track point optimization device for driving ...

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Abstract

The invention discloses a method, a device and terminal equipment of track point optimization of a driving track and a computer-readable storage medium. The method includes the following steps: receiving a first coordinate point sent by positioning equipment; obtaining a last saved coordinate point from a position information table to use the same as a second coordinate point; judging whether thedistance of the first coordinate point and the second coordinate point is less than or equal to a preset distance threshold; if yes, discarding the first coordinate point; and if not, storing the first coordinate point into the position information table to reduce burdens on a database, increase transmission speed, reduce broadband consumption, and reduce APP and webpage end drawing work to save memory overheads.

Description

technical field [0001] The invention relates to the field of vehicle positioning, in particular to a track point optimization method, device, terminal equipment and computer-readable storage medium of a driving track. Background technique [0002] Trajectory display is a basic and core capability for vehicle positioning systems. In the prior art, the drawing of vehicle driving trajectories is to collect the location data one by one at a fixed time frequency, and then directly transmit the data to the APP or webpage to draw the trajectory on the map. [0003] In the process of realizing the embodiment of the present invention, the inventor found that: with the development of the times, in addition to the increasing requirements for the display effect of the vehicle's driving track and whether the actual driving of the vehicle is appropriate, the transmission speed, the reduction of memory, and the reduction of The requirements for bandwidth, server cost reduction, etc. are g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 刘德海
Owner 广州北斗物联网有限公司
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