J. Nolan, Prospective Study of Heart Rate Variability and Mortality in Chronic Heart Failure : Results of the United Kingdom Heart Failure Evaluation and Assessment of Risk Trial (UK-Heart), Circulation, vol.98, issue.15, pp.1510-1516, 1998.
DOI : 10.1161/01.CIR.98.15.1510

T. Makikallio, Fractal analysis and time- and frequency-domain measures of heart rate variability as predictors of mortality in patients with heart failure, The American Journal of Cardiology, vol.87, issue.2, pp.178-182, 2001.
DOI : 10.1016/S0002-9149(00)01312-6

K. Kiyono, Non-Gaussian heart rate as an independent predictor of mortality in patients with chronic heart failure, Heart Rhythm, vol.5, issue.2, pp.261-268, 2008.
DOI : 10.1016/j.hrthm.2007.10.030

S. Akselrod, Power spectrum analysis of heart rate fluctuation: a quantitative probe of beat-to-beat cardiovascular control, Science, vol.213, issue.4504, pp.220-222, 1981.
DOI : 10.1126/science.6166045

D. Bansal, M. Khan, and A. K. Salhan, A Review of Measurement and Analysis of Heart Rate Variability, 2009 International Conference on Computer and Automation Engineering, pp.243-246, 2009.
DOI : 10.1109/ICCAE.2009.70

A. Rajendra, Heart rate variability: a review, Medical & Biological Engineering & Computing, vol.63, issue.1, pp.1031-51, 2006.
DOI : 10.1007/s11517-006-0119-0

M. Kobayashi and T. Musha, 1/f Fluctuation of Heartbeat Period, BME-29, pp.456-457, 1982.
DOI : 10.1109/TBME.1982.324972

C. K. Peng, Long-range anticorrelations and non-Gaussian behavior of the heartbeat, Physical Review Letters, vol.70, issue.9, pp.1343-1346, 1993.
DOI : 10.1103/PhysRevLett.70.1343

Y. Yamamoto and R. L. Hughson, On the fractal nature of heart rate variability in humans: effects of data length and ?-adrenergic blockade, Am. J. Physiol, vol.266, issue.1, pp.40-49, 1994.

C. K. Peng, S. Havlin, H. E. Stanley, and A. L. Goldberger, Quantification of scaling exponents and crossover phenomena in nonstationary heartbeat time series, Chaos: An Interdisciplinary Journal of Nonlinear Science, vol.5, issue.1, pp.82-87, 1995.
DOI : 10.1063/1.166141

P. C. Ivanov, Multifractality in human heart rate dynamics, Nature, vol.399, issue.6735, pp.461-465, 1999.
DOI : 10.1038/20924

L. A. Amaral, Behavioral-Independent Features of Complex Heartbeat Dynamics, Physical Review Letters, vol.86, issue.26, pp.6026-6029, 2001.
DOI : 10.1103/PhysRevLett.86.6026

K. Kiyono, Critical Scale Invariance in a Healthy Human Heart Rate, Physical Review Letters, vol.93, issue.17, p.178103, 2004.
DOI : 10.1103/PhysRevLett.93.178103

K. Kiyono, Z. R. Struzik, N. Aoyagi, and Y. Yamamoto, Multiscale Probability Density Function Analysis: Non-Gaussian and Scale-Invariant Fluctuations of Healthy Human Heart Rate, IEEE Transactions on Biomedical Engineering, vol.53, issue.1, pp.95-102, 2006.
DOI : 10.1109/TBME.2005.859804

J. Hayano, Increased Non-Gaussianity of Heart Rate Variability Predicts Cardiac Mortality after an Acute Myocardial Infarction, Frontiers in Physiology, vol.2, p.65, 2011.
DOI : 10.3389/fphys.2011.00065

R. Leonarduzzi, Extending multifractal analysis to negative regularity: P-exponents and P-leaders, 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2014.
DOI : 10.1109/ICASSP.2014.6853607

URL : https://hal.archives-ouvertes.fr/hal-01147322

S. Jaffard and C. Melot, Wavelet Analysis of Fractal Boundaries. Part 1: Local Exponents, Communications in Mathematical Physics, vol.109, issue.3, pp.513-565, 2005.
DOI : 10.1007/s00220-005-1354-1

URL : https://hal.archives-ouvertes.fr/hal-01071366

S. Jaffard, Wavelet techniques in multifractal analysis, Fractal Geometry and Applications: A Jubilee of Beno??tBeno??t Mandelbrot, M. Lapidus et M. van Frankenhuijsen Eds Proceedings of Symposia in Pure Mathematics, pp.91-152, 2004.
DOI : 10.1090/pspum/072.2/2112122

R. Lopes and N. Betrouni, Fractal and multifractal analysis: A review, Medical Image Analysis, vol.13, issue.4, pp.634-683, 2009.
DOI : 10.1016/j.media.2009.05.003

M. Doret, Multifractal Analysis of Fetal Heart Rate Variability in Fetuses with and without Severe Acidosis during Labor, American Journal of Perinatology, vol.28, issue.04, pp.259-266, 2011.
DOI : 10.1055/s-0030-1268713

URL : https://hal.archives-ouvertes.fr/inria-00537788

S. Jaffard, P. Abry, and H. Wendt, Irregularities and Scaling in Signal and Image Processing: Multifractal Analysis, Benoit Mandelbrot: A Life in Many Dimensions, M. Frame World scientific publishing, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00798427

J. F. Muzy, E. Bacry, and A. Arneodo, THE MULTIFRACTAL FORMALISM REVISITED WITH WAVELETS, International Journal of Bifurcation and Chaos, vol.04, issue.02, pp.245-302, 1994.
DOI : 10.1142/S0218127494000204

H. Wendt, P. Abry, and S. Jaffard, Bootstrap for Empirical Multifractal Analysis, IEEE Signal Processing Magazine, vol.24, issue.4, pp.38-48, 2007.
DOI : 10.1109/MSP.2007.4286563

S. Mallat, A Wavelet Tour of Signal Processing, 1998.

B. Castaing, Y. Gagne, and M. Marchand, Log-similarity for turbulent flows?, Physica D: Nonlinear Phenomena, vol.68, issue.3-4, pp.387-400, 1993.
DOI : 10.1016/0167-2789(93)90132-K