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Heart rate variability

Known as: HRV, Variability 
Heart rate variability (HRV) is the physiological phenomenon of variation in the time interval between heartbeats. It is measured by the variation in… 
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Papers overview

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Highly Cited
2016
Highly Cited
2016
Visual understanding of complex urban street scenes is an enabling factor for a wide range of applications. Object detection has… 
Review
2012
Review
2012
The fifth phase of the Coupled Model Intercomparison Project (CMIP5) will produce a state-of-the- art multimodel dataset designed… 
Highly Cited
2009
Highly Cited
2009
  • H. Shen
  • Encyclopedia of Database Systems
  • 2009
  • Corpus ID: 2534141
The Karhunen-Lo eve basis functions, more frequently referred to as principal components or empirical orthogonal functions (EOFs… 
Highly Cited
2006
Highly Cited
2006
Guidelines for determining nonprobabilistic sample sizes are virtually nonexistent. Purposive samples are the most commonly used… 
Review
2006
Review
2006
Fast pyrolysis utilizes biomass to produce a product that is used both as an energy source and a feedstock for chemical… 
Highly Cited
2002
Highly Cited
2002
Heart rate variability (HRV), the changes in the beat-to-beat heart rate calculated from the electrocardiogram (ECG), is a key… 
Review
1998
Review
1998
Multilayer neural networks trained with the back-propagation algorithm constitute the best example of a successful gradient based… 
Highly Cited
1995
Highly Cited
1995
!, Model-based vision is firmly established as a robust approach to recognizing and locating known rigid objects in the presence… 
Highly Cited
1995
Highly Cited
1995
We examine some issues in the estimation of time-series cross-section models, calling into question the conclusions of many…