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Mapping burial mounds based on UAV-derived data in the Suusamyr Plateau, Kyrgyzstan

Sărășan, Adriana ; Ardelean, Adrian-Cristian ; Bălărie, Andrei ; Wehrheim, Ruben ; Tabaldiev, Kubatbek ; Akmatov, Kunbolot

Journal of archaeological science, 2020-11, Vol.123, p.105251, Article 105251 [Periódico revisado por pares]

Elsevier Ltd

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  • Título:
    Mapping burial mounds based on UAV-derived data in the Suusamyr Plateau, Kyrgyzstan
  • Autor: Sărășan, Adriana ; Ardelean, Adrian-Cristian ; Bălărie, Andrei ; Wehrheim, Ruben ; Tabaldiev, Kubatbek ; Akmatov, Kunbolot
  • Assuntos: Burial mounds ; Digital surface model ; Geomorphons ; Object based image analysis ; Suusamyr plateau ; Unmanned aerial vehicle
  • É parte de: Journal of archaeological science, 2020-11, Vol.123, p.105251, Article 105251
  • Descrição: Located in the northern part of the Tian Shan Mountains, at an average elevation of over 2200 m.a.s.l., the Suusamyr Plateau is home to numerous archaeological sites. Nonetheless, there is little to no information available regarding the spatial characteristics and preservation conditions of these complex burial grounds. During the recent years, unmanned aerial vehicles (UAVs) have offered the possibility of fast acquisition of high-resolution images that facilitate the identification and documentation of archaeological sites and features. Given these advantages over 1500 ha (29 individual sites) were investigated within the Suusamyr Plateau, using a DJI Phantom 4 Pro quadcopter. Based on the UAV derived dataset, over 600 burial mounds were identified via manual mapping. However, as this is a time consuming and subjective process, a new method that integrates the multi-scale topographic analysis and the geomorphons approach is introduced here for the semi-automated extraction of burial mounds. Following an object-based image analysis (OBIA) routine, the proposed methodology was developed within a single site (T1), while the transferability degree of the final model was subsequently assessed within two other investigated sites (T2, T3). The accuracy of the obtained model was determined using the F1-Score (harmonic mean of precision and recall). The highest detection rate of 100% was achieved for test site T2, while the lowest value of 87.5% was obtained for site T3. •First approach on mapping burial mounds within the Suusamyr Plateau (Kyrgyzstan).•More than 600 burial mounds have been identified by manual mapping.•UAV-derived data proved to be useful for semi-automated extraction of burial mounds using an OBIA approach.•Geomorphons have been successfully employed for defining mounds algorithmically.
  • Editor: Elsevier Ltd
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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