SIMILARITY CALCULATION METHOD CONSIDERING MULTIPLE FEATURES FOR MULTI-SCALE ROAD NETWORK
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Aug 22, 2024
filing date -
Aug 22, 2024
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Abstract
Disclosed in the present disclosure is a similarity calculation method considering multiple features for a multi-scale road network, which includes structural similarity calculation of skeleton lines and local feature similarity calculation of the multi-scale road network. A road network stroke is generated, skeleton lines of the road network are extracted and transformed into a structure tree, and the skeleton similarity of the road network is evaluated by calculating structural similarity of the structure tree of the multi-scale road network. Topological similarity of the multi-scale road network is calculated by using a difference matrix of a conceptual domain graph of road meshes, geometric similarity of the multi-scale road network is calculated by using a density of road meshes, and local similarity of the multi-scale road network is obtained by integrating the hierarchy of the road network into the topological and geometric similarity calculation in the form of matrices.
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