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Method and device for evaluating contact demand compactness among functional areas of city

A functional area and compactness technology, which is applied in the field of assessing the tightness of connection demand between various functional areas in a city, can solve the problem of insufficient consideration of the influencing factors of regional connections, and achieve the effect of improving regional economic development

Active Publication Date: 2019-10-01
BEIJING UNIV OF POSTS & TELECOMM
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  • Application Information

AI Technical Summary

Problems solved by technology

These studies all started from a single aspect, and did not fully consider the factors affecting regional linkages, and the data used were traditional static data, and the description of interregional linkages was one-sided.

Method used

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  • Method and device for evaluating contact demand compactness among functional areas of city
  • Method and device for evaluating contact demand compactness among functional areas of city
  • Method and device for evaluating contact demand compactness among functional areas of city

Examples

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Effect test

Embodiment 1

[0017] Embodiments of the present invention provide a method for assessing the degree of connection demand tightness between various functional areas of a city, please refer to figure 1 , including the following steps:

[0018] Step 101: Determine the data set for urban area division;

[0019] Step 102: According to the characteristics of the time series of base station traffic, determine the functional area where the base station is located through a clustering algorithm;

[0020] Step 103: Clustering the base stations through the functional area data set where the base station is located and the geographical location data set of the base station, to obtain the division results of each functional area in the city;

[0021] Step 104: Based on the Newtonian gravitational model of population activity for the population immigration, emigration, and distance between each divided functional area, evaluate the index of the connection demand density between each functional area.

...

Embodiment 2

[0094] Embodiments of the present invention provide a device for assessing the tightness of connection requirements between various functional areas of a city, please refer to Figure 6. The device includes a parameter set setting module 601 , a data set acquisition and preprocessing module 602 , a division model module 603 and a connection closeness calculation module 604 . The internal structure and connection relationship of the device will be further introduced below in conjunction with the working principle of the device.

[0095] Parameter set setting module 601, used to set the parameter set of the clustering algorithm;

[0096] The data set acquisition and preprocessing module 602 is used to obtain the base station traffic time series and preprocess it into a base station characteristic data set;

[0097] The division model module 603 is used to use the processed feature data set as an input and use a clustering algorithm to obtain a final division result.

[0098] ...

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Abstract

The invention discloses a method and device for evaluating contact demand compactness among functional areas of a city. The method comprises the following steps: determining a data set divided by theurban areas; determining a functional area where the base station is located through a clustering algorithm according to the characteristics of the base station flow time sequence; clustering the basestations through the functional area data set of the base stations and the geographic position data set of the base stations to obtain a division result of each functional area of the city; and for the divided population immigration quantity and emigration quantity of each functional region and the distance between the regions, evaluating the contact demand compactness index between the functional regions based on a population activity Newtonian gravity model.

Description

technical field [0001] The invention relates to the field of urban planning, in particular to a method and a device for assessing the tightness of connection requirements among various functional areas of a city. Background technique [0002] Urban regional division is the most important link in urban planning, and reasonable regional division is crucial to urban development. Toole J L et al. used the new dynamic data generated by mobile phones to measure the temporal and spatial changes of population, and used machine learning algorithms to identify areas with the same function and measure the unevenness of land use [1] . Tao P et al. restored user activities from mobile phone data, mined social functional characteristics, combined with the physical characteristics of urban land itself, and used the method of fuzzy clustering to obtain the functional types of urban land [2] . Wang M et al. established a linear regression model to predict the traffic flow in Beijing, expl...

Claims

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Application Information

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IPC IPC(8): G06F16/29G06K9/62G06Q10/06G06Q50/26G06Q50/30
CPCG06F16/29G06Q10/0639G06Q50/26G06F18/23213G06Q50/40
Inventor 崔鸿雁周裕杰
Owner BEIJING UNIV OF POSTS & TELECOMM
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