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All Journal G-Tech : Jurnal Teknologi Terapan
Edrick Hansel Limantoro
Sampoerna University, Indonesia
Computer Science & IT Decision Sciences, Operations Research & Management Energy Engineering

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Enhancing Respiratory Disease Diagnosis through FMCW Radar and Machine Learning Techniques Ariana Tulus Purnomo; Raffy Frandito; Edrick Hansel Limantoro; Rafie Djajasoepena; Muhammad Agni Catur Bhakti; Ding-Bing Lin
G-Tech: Jurnal Teknologi Terapan Vol 8 No 1 (2024): G-Tech, Vol. 8 No. 1 Januari 2024
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33379/gtech.v8i1.3693

Abstract

Respiratory diseases require early diagnosis and continuous monitoring, but existing methods involve risky physical contact. This study proposes a new system that uses FMCW radar and machine learning to monitor breathing without contact. FMCW radar can detect respiratory movements in real-time, while machine learning can classify respiratory waveforms. This study evaluates the system with cross-validation Shuffle Split, K-fold, and Stratified K-fold. The results show that Random Forest has the highest accuracy of 94.6% and Naïve Bayes has the shortest time of 0.055 seconds. Shuffle Split performs best overall. This study shows the feasibility and potential of the system for the detection, response, and tracking of respiratory diseases in emergencies.
Unleashing the Power of Deep Learning: Revolutionizing Facial Recognition with GhostFaceNets Ariana Tulus Purnomo; Edrick Hansel Limantoro; Muhammad Nafis Aimanurrohman
G-Tech: Jurnal Teknologi Terapan Vol 9 No 1 (2025): G-Tech, Vol. 9 No. 1 January 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/gtech.v9i1.6459

Abstract

Facial recognition technology has advanced significantly due to the development of deep learning algorithms. This paper explores deep learning, a branch of machine learning that employs multi-layered neural networks to simulate human decision-making processes in facial recognition. It provides a brief literature review of significant works in various deep learning architectures, including Convolutional Neural Networks (CNN) and Long Short-Term Memory (LSTM) networks. The core of the study is the implementation of the GhostFaceNets model, an enhancement of GhostNets, which is specifically designed for efficient and accurate facial recognition. By using Ghost Modules, this model reduces computational redundancy in generating additional feature maps through linear operations. An integrated attention mechanism is used in this study to emphasize critical facial features. Additionally, this study also employs the ArcFace loss function to improve class separation accuracy. The VGG2-FP dataset was used to train and evaluate this model and achieved an accuracy of 94.45%. This study contributes to the evolution of facial recognition systems, particularly in constrained computational environments.
Co-Authors Ariana Tulus Purnomo Ding-Bing Lin Muhammad Agni Catur Bhakti Muhammad Nafis Aimanurrohman Raffy Frandito Rafie Djajasoepena