Nazarini, Siti Kaila and Luqman, Luqman (2026) KLASIFIKASI CITRA X-RAY DADA NORMAL DAN PNEUMONIA MENGGUNAKAN CNN DENSENET-121 DENGAN PENERAPAN EXPLAINABLE ARTIFICIAL INTELLIGENT (GRAD-CAM). Masters thesis, Institut Teknologi PLN.
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Abstract
Pneumonia merupakan penyakit pernapasan yang masih menjadi penyebab utama morbiditas dan mortalitas. Pemeriksaan X-ray dada banyak digunakan dalam proses diagnosis pneumonia, namun interpretasi citra secara manual masih sangat bergantung pada pengalaman tenaga medis. Perkembangan teknologi deep learning, khususnya Convolutional Neural Network (CNN) dengan pendekatan transfer learning, membuka peluang untuk meningkatkan akurasi diagnosis. Penelitian ini bertujuan mengembangkan model klasifikasi pneumonia menggunakan arsitektur DenseNet-121 yang dipadukan dengan Explainable Artificial Intelligence (XAI). Dataset yang digunakan adalah X-Chest Ray yang terdiri atas dua kelas, yaitu normal dan pneumonia. Evaluasi model dilakukan menggunakan metrik akurasi, presisi, recall, dan F1-score. Hasil pengujian menunjukkan bahwa model mencapai tingkat akurasi sebesar 94%. Selain itu, metode Grad-CAM dimanfaatkan untuk memvisualisasikan area citra yang berkontribusi terhadap keputusan model, yang menunjukkan fokus pada area paru-paru yang relevan secara klinis. Penelitian ini diharapkan dapat menjadi sistem pendukung diagnosis pneumonia yang akurat dan dapat dipercaya.
Pneumonia is a respiratory disease that remains a major cause of morbidity and mortality. Chest X-ray imaging is widely used in the diagnostic process of pneumonia however, manual interpretation of the images still relies heavily on the experience of medical professionals. Advances in deep learning technology, particularly Convolutional Neural Networks (CNNs) with a transfer learning approach, offer an opportunity to improve diagnostic accuracy. This study aims to develop a pneumonia classification model using the DenseNet-121 architecture integrated with Explainable Artificial Intelligence (XAI). The dataset used is the X-Chest Ray dataset, which consists of two classes: normal and pneumonia. Model performance is evaluated using accuracy, precision, recall, and F1-score metrics. The evaluation results show that the model achieves an accuracy of 94%. In addition, the Grad-CAM method is applied to visualize image regions that contribute to the model’s decision-making process, demonstrating a focus on clinically relevant lung areas. This study is expected to serve as an accurate and trustworthy decision-support system for pneumonia diagnosis.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Pneumonia, Convolutional Neural Network, X-Ray Dada, DenseNet-121, Explainable Artificial Intelligence Pneumonia, Convolutional Neural Network, X-Ray Dada, DenseNet-121, Explainable Artificial Intelligence |
| Subjects: | Skripsi Bidang Keilmuan > Teknik Informatika |
| Divisions: | Fakultas Telematika Energi > S1 Teknik Informatika |
| Depositing User: | Mrs Nazarini Siti Kaila |
| Date Deposited: | 05 Mar 2026 06:36 |
| Last Modified: | 05 Mar 2026 06:36 |
| URI: | https://repository.itpln.ac.id/id/eprint/5675 |
