Motion Artifact Reduction in Photoplethysmographic Signals using Singular Value Decomposition

@article{Reddy2007MotionAR,
  title={Motion Artifact Reduction in Photoplethysmographic Signals using Singular Value Decomposition},
  author={K Ashoka Reddy and V. Jeevan Kumar},
  journal={2007 IEEE Instrumentation & Measurement Technology Conference IMTC 2007},
  year={2007},
  pages={1-4}
}
Artifact free photoplethysmographic (PPG) signals, obtained with red and infrared (IR) optical sources and detectors are necessary for non-invasive estimation of oxygen saturation (SpO2) in arterial blood. Movement of a patient corrupts the PPGs with motion artifacts, resulting in large errors in the computation of SpO2. This paper presents a novel singular value decomposition (SVD) based method to reduce motion artifacts from corrupted PPG signals. Test results on a prototype incorporating the… CONTINUE READING
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