Author

Nita Merlina

2 papers indexed here

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Open access Sep 2026

ARRHYTHMIA DETECTION FROM IMBALANCED ECG DATA USING CNN, FOCAL LOSS, AND RR INTERVAL FEATURES WITH INTER-PATIENT EVALUATION

Detection of arrhythmias from electrocardiogram (ECG) signals is crucial for early diagnosis of heart rhythm disorders. However, the imbalanced distribution of arrhythmia classes poses challenges for classification models. This study proposes a Convolutional Neural Network (CNN) model combined with Focal Loss and RR fe...

Ilham Maulana, Nita Merlina · Jurnal Riset Informatika · 0 citations

Open access Jul 2026

Integrating MLOps for Monitoring, Drift Detection, and Adaptive Retraining in Sensor Systems

This study presents an integrated MLOps framework that combines performance monitoring, distribution-based drift detection, and adaptive retraining within a unified production pipeline and demonstrates that integrating MLOps practices into sensor-based machine learning systems is essential for improving robustness and...

Novia Heriyani, Nita Merlina · Computer Science (CO-SCIENCE... · 0 citations