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Systems and methods for identifying pulse rates
专利权人:
Paul Stanley Addison
发明人:
Paul Stanley Addison,James Nicholas Watson
申请号:
US12249087
公开号:
US08285352B2
申请日:
2008.10.10
申请国别(地区):
US
年份:
2012
代理人:
摘要:
According to embodiments, techniques for using continuous wavelet transforms and spectral transforms to identify pulse rates from a photoplethysmographic (PPG) signal are disclosed. According to embodiments, candidate pulse rates of the PPG signal may be identified from a wavelet transformed PPG signal and a spectral transformed PPG signal. A pulse rate may be determined from the candidate pulse rates by selecting one of the candidate pulse rates or by combining the candidate pulse rates. According to embodiments, a spectral transform of a PPG signal may be performed to identify a frequency region associated with a pulse rate of the PPG signal. A continuous wavelet transform of the PPG signal at a scale corresponding to the identified frequency region may be performed to determine a pulse rate from the wavelet transformed signal.
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