Land utilization change analysis and prediction method and device

A technology of change analysis and prediction method, applied in the field of remote sensing information, can solve the problem of low prediction accuracy and achieve the effect of improving accuracy

Inactive Publication Date: 2019-11-15
CHINA UNIV OF GEOSCIENCES (BEIJING)
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[0005] To this end, the embodiment of the present invention provides a method and device for analyzing and predicting land use change to solve th

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  • Land utilization change analysis and prediction method and device
  • Land utilization change analysis and prediction method and device
  • Land utilization change analysis and prediction method and device

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[0039] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0040] figure 1 The schematic diagram of the method for analyzing and predicting land use change provided by the embodiment of the present invention, such as figure 1 As shown, the embodiment of the present invention provides a method for analyzing and predicting land use change, the execution subject of which is a device for analyzing and predicting land use change, and the method includes:

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Abstract

Embodiments of the invention disclose a land utilization change analysis and prediction method and device. The method comprises the steps of obtaining land remote sensing image data of a plurality ofhistorical years; extracting land types in the land remote sensing image data of the historical years by utilizing a human-computer interaction interpretation method, and drawing a classification vector diagram; according to the classification vector diagram, calculating the land change amplitude, the dynamic attitude and the spatial change, further analyzing the dynamic change of the land in different periods, and concluding the land utilization space-time change characteristics and rules in historical years; selecting a plurality of driving factors to construct a Markov-CA prediction model;and according to the land utilization space-time change characteristics and rules of the historical years, utilizing a Markov-CA prediction model to obtain a land utilization space pattern of a futuretarget year. According to the land utilization change analysis and prediction method and device disclosed by the embodiment of the invention, the Markov-CA prediction model is constructed by introducing the driving factors for different land types, so that the precision of land utilization change analysis and prediction is improved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of remote sensing information, and in particular to a method and device for analyzing and predicting land use changes. Background technique [0002] Land use monitoring is the use of remote sensing and telemetry technology to monitor and measure the dynamic changes of land use in a country or region on a regular or irregular basis. Its purpose is to provide accurate land use change information for relevant national and regional departments, facilitate timely land use data update and comparative analysis, and compile land use change maps, etc. It is an indispensable basic work for predicting land use dynamic changes, crop yield forecasting, natural disaster prevention and rational organization of land use, and strengthening land management and protection. [0003] In the existing technology, space remote sensing technology is usually used to analyze land use. Space remote sensing techno...

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Application Information

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IPC IPC(8): G06Q10/04
CPCG06Q10/04
Inventor 张宏睿张庆现刁习
Owner CHINA UNIV OF GEOSCIENCES (BEIJING)
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