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A Method for Extracting Utilization Types of Inland River Shoreline Resources Based on High-Definition Remote Sensing Images

A technology of remote sensing images and extraction methods, which is applied in the fields of instruments, computing, character and pattern recognition, etc., can solve the problems of inapplicability of coastline extraction and classification technology, complex water and land interaction interface, and large interference of human activities.

Active Publication Date: 2022-02-01
NANJING INST OF GEOGRAPHY & LIMNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing schemes are mainly aimed at the coastline, and the coastline extraction technology has been obtained. However, because the inland river coastline is greatly disturbed by human activities and the water-land interaction interface is more complicated, the coastline extraction and classification technology is not suitable for the inland river coastline. At the same time, the existing coastline classification reflects the line attribute of the coastline, and lacks the reflection of the band attribute of the coastline resource.

Method used

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  • A Method for Extracting Utilization Types of Inland River Shoreline Resources Based on High-Definition Remote Sensing Images
  • A Method for Extracting Utilization Types of Inland River Shoreline Resources Based on High-Definition Remote Sensing Images
  • A Method for Extracting Utilization Types of Inland River Shoreline Resources Based on High-Definition Remote Sensing Images

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Embodiment 1

[0029] refer to figure 1 , which is the first embodiment of the present invention, provides a method for extracting resource utilization types of inland shorelines based on high-definition remote sensing images, including:

[0030] S1: Use the two-level classification system to construct a classification system for the utilization of inland river shoreline resources to divide shoreline resources. It should be noted that the divided shoreline resources include:

[0031] Natural shorelines and artificial shorelines;

[0032] Natural shorelines include natural interactive shorelines and slightly disturbed shorelines;

[0033] Artificial shorelines include port and wharf shorelines, industrial shorelines, urban life shorelines and other artificial shorelines.

[0034] Further, according to whether the coastline and the rear land area within 1 km include port terminals, industrial production and large-scale residential development and construction activities, the natural coastli...

Embodiment 2

[0060] refer to Figure 2 to Figure 5 , which is the second embodiment of the present invention, provides a test application description of a method for extracting inland shoreline resource utilization types based on high-definition remote sensing images, specifically including:

[0061] Using the coastline resource utilization type extraction of the Nanjing section of the Yangtze River to carry out the technical application of the embodiment, using the coastline resource utilization classification system and the coastline resource utilization information map, loading the remote sensing image of Zizi No. 3 satellite with a resolution of 2.0m, and establishing the ArcGIS project file Nanjinganxian. Mxd file, load L_original data, that is, the linear coastline data of the Nanjing section of the Yangtze River without classification attributes, the total length of the line is 286.4km, reflecting the length of the coastline of the Nanjing section of the Yangtze River, using the data...

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Abstract

The invention discloses a method for extracting the utilization type of inland river bankline resources based on high-definition remote sensing images, and uses a two-level classification system to construct an inland river bankline resource utilization classification system to divide the shoreline resources; build a database and work modules according to the divided shoreline resources , load remote sensing images and linear coastline data without classification attributes, unify the projected information and superimpose display on the graphic display device; use the database and working modules to establish the shoreline resource utilization type identification search area, based on the linear coastline without classification attributes The data constructs the identification buffer zone; searches for information on the utilization of shoreline resources, and draws outlines in the identification search area; converts the utilization information of shoreline resources into surface lines, and combines the principle of prioritization of shoreline development and utilization activities to search for area-shaped shoreline resources in the area. Utilize the information to project to the non-attribute linear shoreline data to obtain the utilization type attribute of the shoreline resource. The present invention solves the bottleneck of unification and difficulty in integration of surface and linear surveys of high-intensity human development in inland rivers.

Description

technical field [0001] The invention relates to the technical field of shoreline resource utilization information extraction, in particular to a method for extracting inland river shoreline resource utilization types based on high-definition remote sensing images. Background technique [0002] Shoreline resources refer to land resources combined with water and soil that occupy a certain range of water and land space. They are located in the junction of water and land. They are the space for ports, port-side industries and urban layouts. They are also the last barrier for pollutant interception and important for aquatic organisms. Habitats have important production, living and ecological functions, and play a central role in economic and social development, environmental protection improvement, and ecological security maintenance in coastal areas and even in a wider hinterland. Ecological space management and control are extremely critical areas and links. [0003] The exist...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/00
CPCG06V20/182
Inventor 段学军邹辉王晓龙梁双波闵敏
Owner NANJING INST OF GEOGRAPHY & LIMNOLOGY