Abstract
In order to overcome the problems of low precision of landscape feature extraction and high planning cost in traditional landscape plant landscape planning methods, a hierarchical planning method of landscape plant landscape space under the concept of sustainable development was proposed. This paper analyses the characteristics and risks of the sustainable development of landscape architecture, calculates the planning risks and extracts the planning features, calculates the design conditions of the plant landscape area under the constraints of the basic requirements of the spatial hierarchical planning and design of the garden plant landscape, and completes the spatial hierarchical planning of the garden plant landscape under the concept of sustainable development. The experimental results show that the proposed landscape spatial hierarchical planning method has a high accuracy of landscape feature extraction, the highest extraction accuracy can reach 98%, effectively reduce the planning cost, and the highest reduction is 19.01 thousand yuan.
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