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GIS-based basin land utilization classification method and device

A classification method and land technology, applied in neural learning methods, image analysis, data processing applications, etc., can solve problems such as error-prone and cumbersome operations, and achieve the effect of reducing error rates and reducing manual operations

Active Publication Date: 2020-09-08
HENAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing land use classification methods are generally to manually segment the collected images, and then formulate corresponding land use classification policies in combination with on-the-spot investigations, which is cumbersome and error-prone.

Method used

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  • GIS-based basin land utilization classification method and device
  • GIS-based basin land utilization classification method and device
  • GIS-based basin land utilization classification method and device

Examples

Experimental program
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Embodiment 1

[0054] Embodiment 1 of the present application provides a GIS-based watershed land use classification method, such as figure 1 shown, including:

[0055] Step 110, collect GIS data, extract the boundary contour of the watershed land to be classified according to the GIS data, and obtain the GIS boundary image of the watershed land to be classified;

[0056] Specifically, the GIS data collection system is used to collect GIS data. The collection system includes a microcontroller, a communication device, a data storage module, and a data collection device. The data collection device includes a Beidou navigation module and a Beidou receiving antenna. The Beidou navigation module is equipped with Single-frequency single-point positioning unit, single-frequency single-point positioning unit uses satellite precise ephemeris, precise clock difference and carrier phase value to perform single-point calculation, and obtains the three-dimensional coordinates of the receiver in the earth...

Embodiment 2

[0097] Embodiment 2 of the present application provides a GIS-based watershed land use classification device, such as image 3 As shown, the device includes:

[0098] GIS data collection module 310, for collecting GIS data;

[0099] The GIS boundary image contour positioning module 320 is used to extract the boundary contour of the watershed land to be classified according to the GIS data, and obtain the GIS boundary image of the watershed land to be classified;

[0100] The spectral feature value acquisition module 330 is used to obtain the spectral feature value of the land GIS boundary image of the watershed to be classified, including the average value of each band, the maximum change and the band normalized difference index between each band;

[0101] The land use classification module 340 is used to input the average value of each band, the maximum change between each band and the band normalized difference index of the GIS boundary image into the land use classifier, a...

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Abstract

The invention discloses a GIS-based basin land utilization classification method and device. The method comprises the steps of collecting GIS data, extracting a boundary contour of to-be-classified basin land according to the GIS data, and obtaining a GIS boundary image of the to-be-classified basin land; obtaining spectral characteristic values of the GIS boundary images of the to-be-classified drainage basin land, wherein the spectral characteristic values comprise an average value of each waveband, a maximum change among the wavebands and a waveband normalization difference index; and inputting the average value of each waveband of the GIS boundary image, the maximum change among the wavebands and the waveband normalization difference index into a land utilization classifier, and outputting land utilization classification of the to-be-classified drainage basin land. The GIS boundary image of the basin land is obtained through GIS data processing, then basin land utilization classification is obtained according to the spectral feature value of the GIS boundary image and the pre-trained land utilization classifier, classification of land utilization is automatically achieved, manual operation is reduced, and the error rate is reduced.

Description

technical field [0001] The present application relates to the technical field of land use, in particular to a GIS-based method and device for watershed land use classification. Background technique [0002] GIS (Geographic Information System or Geo-Information system, geographic information system) is a specific and very important spatial information system. It is a technical system that collects, stores, manages, calculates, analyzes, displays and describes the relevant geographical distribution data in the entire or part of the earth's surface (including the atmosphere) space with the support of computer hardware and software systems. [0003] Watershed land use refers to the use status of watershed land or the social and economic attributes of land. It includes not only the way of using the biophysical characteristics of the land, but also the intention hidden under the control of the biophysical characteristics of the land, that is, the purpose of using the land. Broad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/35G06T11/20G06T17/05G06K9/62G06N3/04G06N3/08G06Q10/06G06Q50/26
CPCG06T7/35G06T11/206G06T17/05G06N3/08G06Q10/0637G06Q50/26G06T2207/10032G06T2207/20081G06T2207/20084G06T2207/30184G06N3/045G06F18/24
Inventor 张鹏岩周志民秦明周宋永鹏李颜颜杨丹
Owner HENAN UNIVERSITY
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