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Journal : Emerging Science Journal

Metaheuristic Hyperparameter Optimization and Explainable Deep Learning for Baggage Threat Detection Maseleno, Andino; Huda, Miftachul; Fudholi, Ahmad; Ratanamahatana, Chotirat Ann
Emerging Science Journal Vol. 10 No. 1 (2026): February
Publisher : Ital Publication

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28991/ESJ-2026-010-01-06

Abstract

The American Statistical Association reports that Bangkok, the capital and largest city of Thailand, holds the top spot as the most visited city worldwide in 2023. X-ray imaging for security screening plays a crucial role in upholding transportation security by detecting a diverse range of threats or prohibited items carried by passengers. This study introduces an advanced deep learning model leveraging YOLOv8, renowned for its enhanced efficiency in automating baggage detection processes. To enhance the model's hyperparameters and adjust them finely during the training process using the baggage dataset, the system utilized a metaheuristic optimization algorithm known as Evolutionary Genetic Algorithm, which is based on evolutionary principles. Incorporating explainable artificial intelligence techniques such as Local Interpretable Model-Agnostic Explanations (LIME) and Gradient-weighted Class Activation Mapping (Grad-CAM) allows for visual interpretation of predictions, aiding operators in utilizing the model effectively. We trained and tested the baggage dataset, which included 8,312 images and five classes: gun, knife, pliers, scissors, and wrench. The YOLOv8 model achieved the following metrics for the detection of prohibited objects in baggage inspection: an overall precision of 90.5%, recall of 83.3%, mAP50 of 91.3%, and mAP50-95 of 67%. The proposed method can fully automate the recognition of prohibited objects during baggage inspection. This approach is beneficial for designing an integrated, automatic, and non-destructive X-ray image-based classification system.
Co-Authors - Andasuryani Abrar Ridwan Abu Bakarr Momodu Bangura Achmad, Alamsyah Adepradana, Cintopa Satria Adnan Ibrahim Agus Junaedi Agus Risdiyanto Agus Risdiyanto Ahmad Fazlizan Abdullah Ahmad Rajani Ahmad Rajani Ahmad Rajani Ahmad, Nasarudin Ahmed Mohamed Omer Abdulmula Ahyar Ahmad Amanda Halim Amiral Aziz Andino Maseleno Andri Joko Purwanto Andri Setiawan Andria, Agus Anjar Susatyo Anjar Susatyo Ant. Ardath Kristi Ant. Ardath Kristi Anwar Anwar Anwar Muqorobin Apriwandi . Ari Pani Desvina Ari Pani Desvina Arief Sudarmaji Arief Wisaksono Arifin, Muhammad Subhan Asep Rachmat, Asep Awaludin Martin Azizatun Nikmah, Nur Sani Bahtiar Bahtiar Bahtiar, Bahtiar Bambang Susanto Bambang, Muhammad Refo Bangura, Abu Bakarr Momodu Banowati, Lies Bisono, Damawidjaya Budi Mulyati, Budi Budi Prawara Budi Prawara Burhanuddin, Fachrurrazi Chan Hoy Yen Cheku Nurul Aisyah Chitraningrum, Nidya Cipta Endyana Dalila Mat Said Dalmasius Ganjar Subagio Damayanti, Isniwana Darussalam, Rudi David Setiawan Desy Kartina Devita Utami Mardiani Dewi Jannati, Eidelwei Dian Andriani Erie Martides Erman Taer Erwin Susanto Fachry Abda El Rahman Faisal Mahfud Farishi, Salman Fazleena Musthafa, Mariyam Fitrotun Aliyah Galih R, Sayid Ghalya Pikra Goh Li Jin Hadi Sirad, Mochammad Apriyadi Hanny Hafiar Hardani, H Harjono P. Santosa Harningsih Karim Hartono Hartono Hartono Hartono Haryadi Haryadi Hasna Rifdah Khairunnisa Hasnah Natsir Hazim Moria Haznan Abimanyu Haznan Abimanyu Hendri Maja Saputra Herawati Budiastuti Herdiana, Dina Hernimawati Hernimawati Husam Abdulrasool Hasan Indah Raya Indra Sakti Intan Noviantari Manyoe Irfandi, Rizal Irfansyah, Ade Ishak, Iskandar Shah Ismail, Kamarulafizam Isniwana Damayanti Ivan Taslim Izza Anshory Jalal Assadeg Jamaaluddin Jayawarsa, A.A. Ketut Julnaidi, Julnaidi Junaedi, Agus Kadek Heri Sanjaya Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kamaruzzaman Sopian Kechik, Mohd Awang Khairiah Khairiah Kholidil Amin Komarudin, Udin Koswara, Engkos Koto, Arthur Gani Kristi, Ant. Ardath Lady Silk Moonlight Lalu Ahmad Didik Meiliyadi Lalu Darmawan Bakti, Lalu Darmawan Lia Afriyanti Nasution Lim Chin Haw Majid Khan Bin Majahar Ali Majid Khan Bin Majahar Ali Majid Khan Majahar Ali Mardiansah, Fajril Mariyam Fazleena Musthafa Mariyam Fazleena Musthafa Mat Said, Dalila Mawaddah, Hajar Merita Ayu Indrianti Miftachul Huda Moch. Rifai Mohammad Hossein Yazdi Mohd Hafidz Ruslan Mohd Hafidz Ruslan Mohd Hafidz Ruslan Mohd Yusof Othman Mohd-Zawawi, Fazila Mohd. Tahir Ismail Muchtar, Kahlil Muh. Wahyudi Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri Muhammad Zohri, Muhammad Mukhtar Mukhtar Mulianti Muslizainun Mustapha Mustaji Mustaji, Mustaji Mustapha, Muslizainun Nasarudin Ahmad Naseem Akhtar Nilofar Asim Nira Aulia Hanifah Nofialdi, Nofialdi Nofialdi, Nofialdi Noorden, Zulkarnain Ahmad Noviadi A. Rachman Noviadi Arief Rachman Novita Vindri Harini Nugroho, Muhammad Very Nur Farhana Mohd Razali Nur Farhana Mohd Razali Nurato Nurato Nurul Shahirah Binti Rukman Nurul Shahirah Binti Rukman Nurul Shahirah Binti Rukman Nurul Shahirah Rukman Nurul Syakirah Nazri PERDANA PUTERA Pierre Damien Uwitije Piseno, Wirawan Pola Risma Prakoso, Aji Putro Prastawa, Andhika Prastowo , Ari Agung Putri Adia Utari Putri, Rahma Lia Putu Yudhistira Budhi Setiawan Radiansah, Yadi Rahmadeni Rahmadeni Rajani, Ahmad Rakhmad Indra Pramana Ratanamahatana, Chotirat Ann RD Kusumanto Rezavidi, Arya Ridho Hantoro Ridho Hantoro Ridwan Abdurrahman Ridwan Arief Subekti Ridwan Arief Subekti Ridwan Arief Subekti Ridwan Arief Subekti rifa'i, Muhammad Rifai, Moch. Rika Taslim Rohman, Fikri Nur Rudi Darussalam Rusdianasari Rusdianasari Rusdianasari Rusdianasari Rusman Rusman Sa'adah, Nila Saefudin, Deny Bayu Sakuraba, Takahiro Saleem H. Zaidi Santi Santi Santosa Santosa Santosa Santosa Sapari, Norazliani MD Saprizal Hadisaputra Saputra, Huzair Sastra Kusuma Wijaya Satibi Satibi Setiyo Setiyo Sevia Mahdaliza Idrus Sohif Mat Sohrab Mirsaeidi Soleh, Asep Muhamad Somwong, M. Khadafi Sopian, Kamaruzzaman Sri Aulia Novita Stephen Phillips Subagyo Subagyo Subakir Salnus Sudibyo, Henny sudirman palaloi sudrajat sudrajat Suhanto, Suhanto Sukarwoto Surya Dailiati Susatyo, Anjar Syamsiar, Syamsiar Syamsul Kurniawan Tinton Dwi Atmaja Tinton Dwi Atmaja Tinton Dwi Atmaja Tresna Dewi Tri Suyono Uce Lestari Uce Lestari Usman Usman Uwitije, Pierre Damien Wahid, Mazlan Abdul Wahyudi, Muh. Wan Nurlaila Mat Desa Wan Nurlaila Yusra Mat Desa Yasin, Mohd Fairus Mohd Yendra, Rado Yurni Oktarina Yusof Othman, Mohd Yuyun Suprapto Zahira Yaakob Zainal Ahnur Zauhari, Azi Zeki Ahmed Darwish Zulfatri Aini Zurhalki, Muhammad