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A permanent basic farmland delineation method based on neural network cellular automata model

A cellular automata and neural network technology, applied in the field of permanent basic farmland delineation based on the neural network cellular automata model, can solve problems such as lack of scientific technical guidance, intensified urban expansion conflicts, and irrationality

Active Publication Date: 2020-10-16
广州蓝图地理信息技术有限公司
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Problems solved by technology

[0005] The conflict between the delineation of traditional basic farmland and urban expansion has intensified, and there is a lack of scientific and technical guidance. The delineation is one-sided and unreasonable, and there are many disadvantages

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  • A permanent basic farmland delineation method based on neural network cellular automata model
  • A permanent basic farmland delineation method based on neural network cellular automata model
  • A permanent basic farmland delineation method based on neural network cellular automata model

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Embodiment Construction

[0064] The present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the accompanying drawings and the described examples are only for better understanding of the present invention, without any limiting function, and should not be construed as limitations on the technical solution of the present invention.

[0065] The research object in the present invention is located in Sihui City in the central and western part of Guangdong Province, and the total area of ​​the city is about 1163 square kilometers. The data used in this research area are: Sihui City's 2012 land use status data, 2012 agricultural land classification data, elevation data (DEM), 2012 normalized difference vegetation index (NDVI) data, solar radiation data, Precipitation data, average temperature data, etc. and other basic geographic information data, including town center, road data at all levels, etc. All regional data must be unified under the...

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Abstract

The invention provides a permanent basic farmland demarcation method based on a neural-network-based CA (cellular automaton) model. On one hand, situations of urban complicated development and expansion in the future are simulated scientifically with the method by means of the neural-network-based CA model and high-quality farmland with higher urban encroaching risk is recognized, on the other hand, influence of multiple factors of grade-determination of cultivated land is taken into consideration in the method, high-quality cultivated land meeting conditions is extracted, and permanent basic farmland areas with higher connectivity are demarcated through combination with improved fuzzy texture index. According to the method, recognition of high-quality farmland is combined with protection of high-quality farmland around cities, contradiction between urban expansion and basic farmland demarcation protection can be coordinated better, and the permanent basic farmland can be demarcated more scientifically and more reasonably. With adoption of the scientific and reasonable permanent basic farmland demarcation method, a landscape function of the farmland is further protected, and a permanent basic farmland demarcation result with higher connectivity is obtained.

Description

technical field [0001] The invention belongs to the technical field of geographic information science, and in particular relates to a method for demarcating permanent basic farmland based on a neural network cellular automata model. Factors influencing factors combined with improved fuzzy index to identify high-quality contiguous farmland, and spatially superimposed with urban expansion data to obtain high-quality farmland that is easy to be encroached around the city to solve the problem of delineating permanent farmland. Background technique [0002] Basic farmland is arable land demarcated based on the demand for agricultural products by population and socio-economic development in a certain period of time and the forecast of construction land. Compared with basic farmland, permanent basic farmland is more authoritative and restrictive. After delimitation, it will remain unchanged for a long time, and farmland use control will be implemented. However, there are many prob...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q50/02G06N3/10
CPCG06N3/10G06Q50/02
Inventor 陈广亮
Owner 广州蓝图地理信息技术有限公司
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