Skip to search formSkip to main content
You are currently offline. Some features of the site may not work correctly.

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… Expand
Wikipedia

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
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… Expand
Is this relevant?
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… Expand
Is this relevant?
Highly Cited
2009
Highly Cited
2009
A software for advanced heart rate variability (HRV) analysis is presented. The software includes adaptable tools for correcting… Expand
Is this relevant?
Highly Cited
2008
Highly Cited
2008
This study measured heart-rate variability and cortisol to explore whether Compassion-Focused Imagery (CFI) could stimulate a… Expand
Is this relevant?
Highly Cited
2006
Highly Cited
2006
Guidelines for determining nonprobabilistic sample sizes are virtually nonexistent. Purposive samples are the most commonly used… Expand
  • table 1
  • figure 1
  • table 2
  • table 4
  • table 5
Is this relevant?
Highly Cited
1998
Highly Cited
1998
This preliminary study explores the use of Heart Rate Variability (HRV) as an indicator of user state. In the study, a visual… Expand
  • figure 1
  • table 1
  • figure 2
  • figure 3
Is this relevant?
Highly Cited
1997
Highly Cited
1997
Gridded fields (analyses) of global monthly precipitation have been constructed on a 2.5° latitude–longitude grid for the 17-yr… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
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… Expand
  • figure 2
  • figure 3
  • figure 4
  • figure 5
  • table 1
Is this relevant?
Highly Cited
1987
Highly Cited
1987
This paper examines the relation between stock returns and stock market volatility. We find evidence that the expected market… Expand
  • table 2
  • table 3
  • table 6
  • table 6
  • figure 2
Is this relevant?
Highly Cited
1980
Highly Cited
1980
A new and relatively simple equation for the soil-water content-pressure head curve, 8(h), is described in this paper. The… Expand
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?