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Journal : Journal of Robotics and Control (JRC)

The Classification of Aflatoxin Contamination Level in Cocoa Beans using Fluorescence Imaging and Deep learning Sadimantara, Muhammad Syukri; Argo, Bambang Dwi; Sucipto, Sucipto; Al Riza, Dimas Firmanda; Hendrawan, Yusuf
Journal of Robotics and Control (JRC) Vol 5, No 1 (2024)
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jrc.v5i1.19081

Abstract

Aflatoxin contamination in cacao is a significant problem in terms of trade losses and health effects. This calls for the need for a non-invasive, precise, and effective detection strategy. This research contribution is to determine the best deep-learning model to classify the aflatoxin contamination level in cocoa beans based on fluorescence images and deep learning to improve performance in the classification. The process involved inoculating and incubating Aspergillus flavus (6mL/100g) to obtain aflatoxin-contaminated cocoa beans for 7 days during the incubation period. Liquid Mass Chromatography (LCMS) was used to quantify the aflatoxin in order to categorize the images into different levels including “free of aflatoxin”, “contaminated below the limit”, and “contaminated above the limit”.  300 images were acquired through a mini studio equipped with UV lamps.  The aflatoxin level was classified using several pre-trained CNN approaches which has high accuracy such as GoogLeNet, SqueezeNet, AlexNet, and ResNet50. The sensitivity analysis showed that the highest classification accuracy was found in the GoogLeNet model with optimizer: Adam and learning rate: 0.0001 by 96.42%. The model was tested using a testing dataset and obtain accuracy of 96% based on the confusion matrix. The findings indicate that combining CNN with fluorescence images improved the ability to classify the amount of aflatoxin contamination in cacao beans. This method has the potential to be more accurate and economical than the current approach, which could be adapted to reduce aflatoxin's negative effects on food safety and cacao trade losses.
Co-Authors A.A. Ketut Agung Cahyawan W Agus Jiwantoro Alvian Budhi Irianto Amin Setyo Leksono Amin Setyo Leksono Anang Lastriyanto Angky Wahyu Putranto Anik Wulandari Anung Nugroho Jayalaksono Arga Anugrahandy Arsyika Oktaviani Arta Harianti Ary Mustofa Ahmad Asdin . Atiek Iriany Aulia Rakhmawati Azhar, Wilda Aulia Bambang Guritno BAMBANG SUSILO Bambang Susilo Basri Bobby Wirasantika Budi Swastomo Chandra Satya Pujiarga Choirul Muslim Cici Damayanti Cicik Rahayu Danang Ariyanto Dewi Maya Maharani Dhanny Septimawan Sutopo Dhika Aringtyas Dian Anggianda Marpaung Dian Aris Setiawan Dian Umniyati Dian Yulianto Dikianur Alvianto Dimas Firmanda Al Riza Dina Wahyu Indriani Dinia Cholidia Dwi Setiawan Faisz Kasifalham Fara Aulia Agustin Nurhadi Farisatun Ni’mah Febriyanti Ariska Amaliyah Ferys Ika Oktavia Fiona Drefin Oktadina Firda Pramesti Puspaningarum Gracia Deborah Alfons, Gracia Deborah Gunarko Gunarko Gunomo Djojowasito Gunomo Djoyowasito Gunomo Djoyowasito Haris Ferdiansyah Irvan Adhin Cholilie ishak usman Izza, Ni'matul Izza, Sylvia Ni’matul Jannur Majesty Jatmiko Eko Witoyo Joko Prasetyo Joko Prasetyo Korleone, Jorgi Kusuma Faisal M La Choviya Hawa La Choviya Hawa Larasati, Indri Asiani Lestari, Anggi Luthfi Mubarok Malul Akbar Mantong, Jimmy Olsanaya Marhen Andan Prasetyo Maurice Andreane Mayadiana Susilowati Ningsih Moch. Bagus Hermanto Mochamad Bagus Hermanto Mochammad Bagus Hermanto Mufidah, Elya Muhamad Firdaus Muhammad Alvian Muhammad Assidiq Muhammad Fadhil Muhammad Fathussalam Mukaromah, Sintya Laylie Musthofa Lutfi Musthofa Lutfi Mustofa Lutfi Nadya Villarasty Naily Ulya Naim Irmayani Nelsy Dian Permatasari Ni'maturohmah, Eva Niken Lila Widyawati Nova Yogantoro Nugroho Nimpuno Nur Komar Nur Komar Nuraini Puji Astuti Nurfauzi, Sobirin Nurhaya Kusmiah Nurul Hidayatul Khoir Oktaria Eka Y Palupi Widiyastuti Pamungkas, Bangkit Puji Putra Perdana, Lita Puspita Rizka Rama Oktavian, Rama Ramadhan, Faisal Randy Cahya Wihandika Retno Damayanti Reydita Claudy Islami Rika Wahyuni Arsianti Rini Yulianingsih Rosyida Ayu Pratiwi Sadimantara, Muhammad Syukri Safitri Rizka Rahmawati Sandra Sandra Sellyan Lorenza Olanda Putri Shinta Rosalia Dewi Shinta Rosalia Dewi Sidauruk, Jocelyn Latreia Ronauli SIMON BAMBANG WIDJANARKO Siti Asmaniyah Mardiyani Slamet Wahyudi Souma Wiryo Pamungkas Sri Hartini Sucipto Sucipto Sudarminto Setyo Yuwono Sumardi H. S. Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Sumardi Hadi Sumarlan Susinggih Wijana Susinggih Wijana Syaifuddin Purwo Utomo Takase, Hayato Tri Priyo Utomo Turangga Bagus Setya Graha Ubaidillah Ubaidillah Ulwan Zuhdi Umi Mianadhiroh Wahyunanto Agung Nugroho Yahya Wahyu Prasetya Yusron Sugiarto Yusuf Hendrawan Yusuf Wibisono