THE GENERAL HOSPITAL CORPORATION;Pavitra KRISHNASWAMY;Patrick L. PURDON
发明人:
Pavitra Krishnaswamy,Patrick L. Purdon
申请号：
US14782479
公开号：
US20160038091A1
申请日:
2014.04.10
申请国别(地区):
US
年份:
2016
代理人:
摘要：
Systems and a method for reducing periodic artifacts in an electrophysiologic signal are provided. The method includes receiving a time-series electrophysiologic signal acquired from a subject and providing a regression model that defines an interference signal caused by periodic artifacts using a harmonic representation. The method also includes applying the regression model using the time-series electrophysiologic signal to define a cost function and performing an iterative optimization process to estimate regression parameters that minimize the cost function. The method further includes determining, using the regression parameters, the interference signal, and generating a corrected time-series electrophysiologic signal by reducing the interference signal.
