A geometric accuracy and currency evaluating method for areal water of multi-source vector spatial data

doi:10.13474/j.cnki.11-2246.2022.0097

Abstract

Abstract: Evaluating methods for multi-source vector spatial data have been few and defective until now.Expert decision is a frequently-used method,but it relies on artificial participation,which means high-subjectivity and low-efficiency.And expert decision method is not convenient for common users.The paper puts forward an evaluating method for areal water of multi-source vector spatial data,which can evaluate geometric accuracy and currency quantitatively.And the visualization expression of evaluate result is intuitive and vivid for common users.The experiments indicate that this method holds higher scientificity,efficiency and reliability.

Key words: multi-source vector spatial data;invariant moment;geometric accuracy evaluating;currency evaluating;areal water

CLC Number:

P208

CHEN Huanxin, WEN Bowei, ZHU Rui, CHANG Zhengyang, CHENG Mianmian, WANG Junchao, CHANG Lijun. A geometric accuracy and currency evaluating method for areal water of multi-source vector spatial data[J]. Bulletin of Surveying and Mapping, 2022, 0(3): 161-165.

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