MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202641071297 A) filed by Vellore Institute Of Technology on June 08, 2026, for Reliability-Aware Blink Frequency Monitoring For Real-Time Eye Fatigue Detection.
Inventors include Dr. M. Thirunavukkarasan; and Dhinesh Kanna S.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: Reliability-Aware Blink Frequency Monitoring for Real-Time Eye Fatigue Detection The present invention relates to a reliability-aware blink frequency monitoring system for real-time eye fatigue detection in consumer mobile devices such as smartphones, tablets, and laptops. The system uses a front-facing camera to capture facial image frames and detect blink events during screen usage using eye landmark analysis. The invention further evaluates timestamp irregularity, frame drops, and variations in landmark confidence occurring during mobile-device operation to determine a reliability score for blink observation within an observation window. Based on the computed reliability score, the system determines an effective observation time and generates a corrected blink frequency that compensates for irregular frame sampling and incomplete observation conditions. Eye-fatigue reminders are generated only when the corrected blink frequency falls below a predefined threshold and the reliability score exceeds a minimum reliability level. The invention improves reliability of blink monitoring and reduces false fatigue reminders under unstable mobile operating conditions.
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