Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Location coding map-based motion track comparison method

A motion track and map technology, applied in the direction of measuring devices, satellite radio beacon positioning systems, instruments, etc., can solve the problems of large data delay and poor user experience, and achieve the effect of increasing speed, reducing data volume, and facilitating search

Active Publication Date: 2017-07-25
XI AN JIAOTONG UNIV
View PDF4 Cites 5 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the comparison of large-scale position movement position trajectory information, there is a large data delay, and the user experience is not good

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Location coding map-based motion track comparison method
  • Location coding map-based motion track comparison method
  • Location coding map-based motion track comparison method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] To achieve the acquisition of the most traveled trajectory of 800 targets in the map module within the same period of time, the specific process is as follows:

[0035] Step 1, get the target map module, such as figure 1 As shown, four first-level equal-division map modules are divided on the map module, and then all the first-level equal-division map modules are encoded according to the order of the quadrants, and the first-level coding information 0, 1 corresponding to the first-level equal division map module is obtained , 2 and 3; if figure 2 As shown, continue to divide each first-level equal-division map module in the same way, and obtain the second-level equal-division map module accordingly, and then use the same coding method to encode the second-level equal-division map in each first-level equal-division map module The module is coded to obtain the corresponding two-level code information; similarly, the map module is divided into eight-level equal division ...

Embodiment 2

[0042] To realize the coded map module of a certain location that determines the most passing targets in the map module, the specific process is as follows:

[0043] Step 1, such as image 3 As shown, divide 9 first-level equal-division map modules on the target map module, and then encode all the first-level equal-division map modules in sequence, and obtain the first-level coding information corresponding to the first-level equal-division map modules as 0 -8; then divide each first-level equal-division map module in the same way, and correspondingly obtain the second-level coding information corresponding to the divided second-level equal-division map module; similarly divide the map module into four-level equal division modules ; Each seven-level equally divided map module can be represented by 4 digits of 9-digit data, and finally a map module with the above-mentioned location coding information is obtained.

[0044] Step 2. The target obtains its own location data inform...

Embodiment 3

[0049] To achieve the acquisition of the movement trajectories of two targets in the map module within the same period of time, and to obtain the location and time point where the movement trajectories deviate, the specific process is as follows:

[0050] Step 1: Obtain a square target map module, divide 16 first-level equal-division map modules on the map module, and then encode all first-level equal-division map modules in order to obtain a corresponding first-level equal-division map module Level coding information 0-15; continue to divide each first-level equal division map module in the same way, and obtain a second-level equal division map module accordingly, and then use the same encoding method to divide each first-level equal division map module. The map module is coded to obtain the corresponding two-level coding information; similarly, the map module is divided into four-level equal-division modules; each eight-level equal-division map module can be represented by 4-...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention discloses a location coding map-based motion track comparison method. The method includes the steps of 1, acquiring a target map module and obtaining a map module provided with the location coding information, wherein the map module is rectangular and is internally provided with the location coding information; 2, matching the acquired target location data information with the location coding map module to obtain location coding data corresponding to the location data information; 3, repeating the above step 2 to obtain continuous location coding data, namely a continuous motion track; 4, storing the motion track and comparing the motion track with other motion tracks. The above method reduces the occupied space of stored map location data, and improves the transmission and identification of location data. Therefore, the motion track data of a user can be quickly and completely obtained. Based on the above information, the big data analysis is conducted.

Description

technical field [0001] The invention belongs to the technical field of geographic location, and relates to a method for comparing motion trajectories on a geographic location, in particular to a method for comparing motion trajectories based on a location-coded map. Background technique [0002] With the continuous development of network mobility, various sports social apps and smart bracelets have begun to enter people's lives. There are more and more applications of various LBS (geographic location-based scene services), and the comparison of motion trajectories is one of the important technologies for location information mining. [0003] At present, when location providers provide location information, they use coordinate data determined by GPS or Beidou Global Positioning System. This type of data is represented by longitude and latitude, such as: 121.2394E, 80.7901N. This kind of data occupies a large space when stored, and occupies a large amount of memory when trans...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G01S19/42
CPCG01S19/42
Inventor 赵玺邹建华刘欢
Owner XI AN JIAOTONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com