An effective edge detection technique for subsurface structural mapping from potential field data

• Autorzy: Pham Luan Thanh , Van Duong Hao , Kieu Duy Thong , Oliveira Saulo Pomponet , Lai Giau Manh , Bui Thanh Minh , Oksum Erdinc

Identyfikatory

DOI

10.1007/s11600-023-01185-3

• Języki publikacji: EN

Abstrakty

EN

Improving the horizontal boundaries of subsurface geological structures is one of the main objectives in interpreting potential fields. To solve this problem, a number of different algorithms have been introduced based on the derivatives of the field. However, these algorithms have some drawbacks, e.g., the determined edges do not match the actual boundaries. Here, we present a new algorithm based on the gradient amplitude and its derivatives which yields more precise and clear boundaries. The robustness of the proposed technique is illustrated using theoretical examples and a real example from Kon Tum province, Vietnam. Our results show that the proposed technique can produce results with better resolution and minimizes the artifacts in the pseudo-boundary map.

Słowa kluczowe

EN

horizontal gradient amplitude; Kon Tum province; boundary detection; potential field data

PL

amplituda gradientu poziomego; prowincja Kon Tum

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2024
• Tom: Vol. 72, no. 3
• Strony: 1661--1674
• Opis fizyczny: Bibliogr. 48 poz.

Twórcy

autor

Pham Luan Thanh

• Faculty of Physics, University of Science, Vietnam National University, Hanoi, Vietnam

• https://orcid.org/0000-0002-5415-8001

autor

Van Duong Hao

• VNU School of Interdisciplinary Studies, Vietnam National University, Hanoi, Vietnam

autor

Kieu Duy Thong

• Geophysics Department, Hanoi University of Mining and Geology, Hanoi, Vietnam

autor

Oliveira Saulo Pomponet

• Department of Mathematics and Graduate Program in Geology, Federal University of Parana', Curitiba, PR, Brazil

autor

Lai Giau Manh

• Union of Geophysics, 95 Chien Thang, Ha Dong, Hanoi, Vietnam

autor

Bui Thanh Minh

• Union of Geophysics, 95 Chien Thang, Ha Dong, Hanoi, Vietnam

autor

Oksum Erdinc

• Department of Geophysical Engineering, Süleyman Demirel University, Engineering Faculty, 32260 Isparta, Turkey

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