The analysis revealed a progressive shift from contact-based ECG and pulse oximetry to camera-based photoplethysmography, thermal imaging, and AI-enhanced multimodal systems that demonstrated a strong correlation with ECG readings, rapid signal acquisition, and improved robustness against motion and lighting variabilit...
Pankaj Soni, M. K. Yadav, Shailendra Kumar et al.· World Journal of Clinical Pe...· 0 citations
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