Journal
JOURNAL OF CULTURAL HERITAGE
Volume 44, Issue -, Pages 185-195Publisher
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.culher.2019.12.013
Keywords
Ancient village; UAV remote sensing; Multispectral imagery; Object-Based analysis; Spatial pattern analysis
Categories
Funding
- National Natural Science Foundation of China [51608369]
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Spatial pattern of landscapes is viewed as the fabric and structure of traditional village. Accurate detection and analysis for the landscapes pattern plays key role in understanding the sociocultural milieu and human-natural relations. Current methods perceive their problems. Pedestrian survey is labor and time consuming. Meanwhile, the derived data tend to be subjective, qualitative and monotonous, which can hardly be used for further analysis. Remote sensing technique has been successfully applied in the field of heritage protection for its ability in object detection. But these methods are limited by visiting circle, spatial resolution and data richness. Therefore, the scientific methods of landscape pattern detection, documentation and analysis for the traditional village has long been under discussion. By taking Baojiatun castle village as a case study, the present paper aims to detect and analyze spatial pattern of traditional village by the geospatial data from a low altitude UAV-borne remote sensing. A four-leveled hierarchical landscape recognition scheme and the corresponding landscape category regulation were established. Based on the derived data and the established scheme, a three-level classification model was construct by using Object-Oriented Image Analysis method (OBIA) method and machine learning classifiers (Random Forest classifier and SVM classifier). The model was proven to be accurate and stable by ten-fold cross validation, and five major heritage landscape elements of the village were finally extracted. Furthermore, spatial pattern characteristics and distribution differences of targeted landscapes were unveiled based on distance statistics and clustering analysis. Lastly, further discussion is fostered, which focuses on the usefulness of remote sensing technique in the field of heritage landscape investigation, documentation and management. (C) 2020 Les Auteurs. Publie par Elsevier Masson SAS. Cet article est publie en Open Access sous licence CC BY (http://creativecommons.org/licenses/by/4.0/).
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