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All Journal Jurnal INFOTEL JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L)
Siti Rusdiana
Universitas Syiah Kuala, Indonesia
Agriculture, Biological Sciences & Forestry Computer Science & IT Electrical & Electronics Engineering Social Sciences

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Mobile Application Development for Facial Classification of Autistic Children Based on MobileNet-V3 Irsyan Ramadhan; Melinda Melinda; Yunidar Yunidar; Donata D Acula; Rizka Miftahujjannah; Siti Rusdiana; Zulfan Zainal
JURNAL INFOTEL Vol 17 No 3 (2025): August
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v17i3.1363

Abstract

Early detection of autism spectrum disorder (ASD) is crucial to support timely interventions that can improve children’s cognitive and social development. However, conventional approaches still rely on subjective observations and parental reports. This study proposes the development of a Flutter-based mobile application for face classification of autistic and non-autistic children using the MobileNetV3-Small architecture. The dataset contains 600 original facial images of children aged 4 to 14 years (300 autistic and 300 non-autistic), which were expanded to 1,860 images through augmentation techniques such as Gaussian noise addition, flipping, and contrast adjustment. The model was trained using transfer learning and optimized with the SGD optimizer and sigmoid activation function. During training, the model achieved a training accuracy of 95.27% and a validation accuracy of 97.92%, indicating effective learning with minimal overfitting. Evaluation on the test data showed perfect performance, with accuracy, precision, recall, and F1-score all reaching 100%. The model was then converted to TensorFlow Lite format to allow on-device inference on mobile platforms. The app enables users to upload photos via camera or gallery and instantly receive classification results, which are also saved to Firebase for history tracking. Testing showed a fast response time (1–2 seconds) and a smooth, user-friendly experience. These results highlight the potential of the system as a lightweight, efficient, and accessible facial image-based ASD screening tool, particularly in regions with limited access to specialized healthcare. Future work should include validation using larger and more diverse datasets across different demographics to ensure model robustness, fairness, and generalizability in real-world environments.
Robust Facial Classification of Down Syndrome using Lightweight CNNs Yunidar Wahab; Muhammad Dika Rafi Kasha; Melinda Melinda; Nurlida Basir; Siti Rusdiana
JURNAL INFOTEL Vol 18 No 1 (2026): February
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v18i1.1525

Abstract

Down Syndrome (DS) is a genetic disorder caused by trisomy 21 and is characterized by distinctive facial features that can support early screening. However, access to conventional diagnostic tools remains limited, particularly in resource-constrained regions. This study presents a comparative evaluation of two lightweight convolutional neural network (CNN) architectures, EfficientNet-B1 and MobileNetV3-Large, for facial image-based DS classification. A curated dataset of 3,030 facial images underwent quality control and image enhancement processes applied exclusively to the training data, resulting in 2,620 images. The dataset was split into training, validation, and test sets at a 70:20:10 ratio. Both models were fine-tuned using ImageNet-pretrained weights and evaluated based on accuracy, precision, recall, and F1-score. Performance robustness and statistical significance between models were assessed using five-fold cross-validation and one-way ANOVA. The experimental results demonstrate that both architectures achieved high classification performance; however, EfficientNet-B1 exhibited superior stability, more balanced class predictions, and lower fold-to-fold variability. Furthermore, Grad-CAM visualization confirmed that both models focused on clinically relevant facial regions, with EfficientNet-B1 showing more consistent and interpretable attention patterns. These findings suggest that EfficientNet-B1 is a robust and interpretable model for facial-based DS screening, offering significant potential for deployment in resource-limited healthcare settings.
Classification of H2O with HCl and H2O with NaOH Solution Images Using Otsu Segmentation and CNN Mauliza Putri; Melinda Melinda; Siti Rusdiana; Aufa Rafiki; Lailatul Qadri Zakaria
JURNAL INFOTEL Vol 18 No 2 (2026): May
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v18i2.1541

Abstract

The classification of the image of chemical solutions is crucial in laboratory automation and chemical industry applications; however, it remains challenging when solutions such as H2O with HCl and H2O with NaOH exhibit nearly identical visual characteristics under imaging conditions, particularly when their spectral fluctuation patterns are visually subtle. This study proposes an image classification framework that integrates Otsu-based segmentation in the HSV color space with convolutional neural network (CNN) models to classify High Height Fluctuation (HHF) images generated from a Multi-Scale chemical detection system (MSCS). The dataset consists of 102 HHF images, evenly distributed between the two solution classes. Transfer learning is applied using three CNN architectures, namely EfficientNetV2S, DenseNet201, and EfficientNetB0, and performance is evaluated using accuracy, precision, recall, F1-score, and confusion matrix analysis. The experimental results show that DenseNet201 achieves the best overall performance, while EfficientNetV2S provides competitive results with computational efficiency and Efficient-NetB0 yields a lighter model with lower recall. These findings indicate that combining segmentation with modern CNN architectures can effectively improve classification robustness in chemically similar solutions. This study presents a practical framework that combines Otsu-based HSV segmentation with transfer-learning CNNs to classify chemically similar solutions, providing actionable insights for deep learning-based chemical sensing applications.
Pengembangan Produk Kerajinan Serabut Kelapa Sebagai Komoditas Ekonomi Kreatif Di Gampong Lamnga Aceh Besar Rosmala Dewi; Siti Rusdiana; Andriani Lubis; Ichwana Ramli; Muhammad Haikal; M.Alfa Reza; Rafiqah Nabila Awalyani; Sufla Rukmana; Najah AlQanita
JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L) Vol 3 No 2 (2026): JURNAL PENGABDIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (JP3L): Volume 3 Nomor 2,
Publisher : LEMBAGA KAJIAN PEMBANGUNAN PERTANIAN DAN LINGKUNGAN (LKPPL)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62671/jp3l.v3i2.107

Abstract

Serabut kelapa merupakan limbah pertanian yang melimpah di Gampong Lamnga, Aceh Besar, namun belum dimanfaatkan secara optimal sebagai produk bernilai ekonomi. Kegiatan pengabdian masyarakat ini bertujuan mengembangkan produk kerajinan berbahan serabut kelapa sebagai komoditas ekonomi kreatif untuk meningkatkan pendapatan dan keterampilan masyarakat. Topik ini dipilih karena tingginya ketersediaan bahan baku lokal serta peluang pasar produk ramah lingkungan. Metode pengabdian meliputi identifikasi potensi dan permasalahan, pelatihan teknik pengolahan serabut kelapa, pendampingan desain produk, serta pembinaan manajemen usaha dan pemasaran. Hasil kegiatan menunjukkan peningkatan pengetahuan dan keterampilan masyarakat dalam mengolah serabut kelapa menjadi berbagai produk kerajinan yang memiliki nilai jual, seperti keset dan hiasan rumah. Selain itu, terbentuk kesadaran masyarakat terhadap potensi ekonomi kreatif berbasis sumber daya lokal. Kegiatan ini penting sebagai upaya pemberdayaan masyarakat dan penguatan ekonomi lokal yang berkelanjutan. 
Co-Authors Andriani Lubis Aufa Rafiki Donata D Acula Ichwana Ramli Irsyan Ramadhan Lailatul Qadri Zakaria M.Alfa Reza Mauliza Putri Melinda Melinda Muhammad Dika Rafi Kasha Muhammad Haikal Najah AlQanita Nurlida Basir Rafiqah Nabila Awalyani Rizka Miftahujjannah Rosmala Dewi Sufla Rukmana Yunidar Wahab Yunidar Yunidar Zulfan Zainal