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All Journal AMIKOM ICT AWARD 2010 TELKOMNIKA (Telecommunication Computing Electronics and Control) Jurnal Teknologi Informasi dan Ilmu Komputer Pro Bisnis Telematika Sistemasi: Jurnal Sistem Informasi JOIV : International Journal on Informatics Visualization RABIT: Jurnal Teknologi dan Sistem Informasi Univrab Jurnal Sains dan Informatika JITK (Jurnal Ilmu Pengetahuan dan Komputer) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan ILKOM Jurnal Ilmiah RESEARCH : Computer, Information System & Technology Management JURTEKSI Jurnal Teknologi Terpadu Jurnal Pengabdian Kepada Masyarakat (Mediteg) Indonesian Journal of Electrical Engineering and Computer Science Madani : Indonesian Journal of Civil Society JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Journal of Applied Data Sciences Jurnal Algoritma Jurnal Pengabdian Mitra Masyarakat (JPMM)
Yuli Purwati
Universitas Amikom Purwokerto
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Nursing Public Health Social Sciences Other

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GAN-Enhanced Radial Basis Function Networks for Improved Landslide Susceptibility Mapping Chyntia Raras Ajeng Widiawati; Ika Maulita; Yuli Purwati; Arif Mu'amar Wahid
Journal of Applied Data Sciences Vol 7, No 1: January 2026
Publisher : Bright Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47738/jads.v7i1.1035

Abstract

Landslide susceptibility modeling is a critical task for disaster mitigation, yet it is frequently undermined by a severe class imbalance inherent in landslide datasets, where non-landslide instances vastly outnumber actual landslide events. This imbalance leads to biased machine learning models with poor predictive power for the minority (landslide) class, resulting in unreliable hazard maps. This study, focusing on the high-risk area of Malang Regency, Indonesia, addresses this challenge by proposing an innovative framework that integrates a Generative Adversarial Network (GAN) for synthetic data augmentation with a Radial Basis Function Network (RBFN) for classification. A highly imbalanced dataset with a 1:10 ratio of landslide to non-landslide points was constructed to establish a realistic baseline. On this data, the RBFN model, while theoretically powerful for capturing non-linear relationships, failed completely, achieving a Recall of 0.00 for the landslide class. The novelty of this research lies in the specific application of a GAN, trained for 15,000 epochs, to generate high-fidelity synthetic landslide data, thereby creating a perfectly balanced training set. After retraining on this augmented data and undergoing a systematic hyperparameter tuning process, the RBFN’s performance was dramatically transformed. The optimized model achieved an F1-Score of 0.9333 and a Recall of 0.8750, elevating its performance from total failure to a level competitive with the robust Random Forest benchmark. This work validates that the integrated GAN-RBFN approach is a highly effective methodology for overcoming the data imbalance problem in geospatial hazard modeling. By turning a previously unreliable classifier into a powerful predictive tool, this method has significant practical implications for developing more accurate landslide susceptibility maps, which are crucial for informed spatial planning and enhancing early warning systems.
Co-Authors Abdul Rohman Adam Prayogo Kuncoro Aji Saeful Al Fauzan, Lukman Alfazri, Rifa Anies Indah Hariyanti Arif Mu'amar Wahid Azmi, Mohd Sanusi Bafaqih, Mohamad Aqil Bagus Adhi Kusuma Baihaqi, Wiga Maulana Berlilana Berlilana Casro Casro Chyntia Raras Ajeng Widiawati Dwi Krisbiantoro Ely Purnawati, Ely Esa Damayanti Fandy Setyo Utomo Faris Labib Najmuddin Gustin Setyaningsih Hanif Hidayatulloh Ika Maulita Imung Dwi Upaya Jamie Mayliana Alyza Khoirun Nisa Limaz Morallez, Airlangga Linda Perdanawanti M. Syaiful Amin Mohamad Aqil Bafaqih Mohd Sanusi Azmi Najmuddin, Faris Labib Nandang Hermanto Nikmah Trinarsih Nurfaizah Pambudi, Aldi Setia Prasetya, Dhika Adi Prasetya Pungkas Subarkah Purbo, Yevi Septiray Putranto, Banu Dwi Ria Indriyani Rizqi Aulia Widianto Rujianto Eko Saputro Sagita, Selvi Sarmini - Sarmini Sekhudin, Sekhudin Shafira, Lulu Suliswaningsih Suliswaningsih, Suliswaningsih Tandi Kukuh Jati Laksono Trinarsih, Nikmah Utomo, Dadang Wahyu Wibowo, Nurma Budi Santoso Wiga Maulana Baihaqi