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Respiratory sound can be measured using a microphone placed either close to the respiratory airways or over the throat to detect the variation of sound. Then a frequency analysis and estimation of the loudness of the sound can be carried out. A respiratory sounds measurement system to detect sleep apnea in infants. The system depended on recording a signal derived from breathing sounds from the nose. This method was applied to eight premature infants. Snorting, speaking, crying, coughing etc had a negative effect on the operation of the system. A problem with airflow measurement is that some patients may not feel comfortable with the sensor. The collector can also affect respiratory activity by increasing dead space. The existing method worked well when the subject breathed through the nose (not mouth) and the mouth remained closed. The Non-Contact Respiratory Monitoring System with advanced nasal-mandible tracking algorithm along with ROI. In this work the Inspiration, Expiration, Respiratory rate and Pulse rate values are calculated. The existing mean value 2.4 and 78.1 and the proposed value is 9.7 and 81.3.

An Implementation of Non-Contact Respiratory Monitoring System with Advanced Nasal-Mandible Tracking Algorithm with Roi