1. Jerritta S et al (2013) Emotion detection from QRS complex of ECG signals using hurst exponent for different age groups. In: Humaine association conference on affective computing and intelligent interaction emotion. IEEE Computer Society, July 2013, pp 849–854
2. Selvaraj J et al (2013) Classification of emotional states from electrocardiogram signals: a non-linear approach based on Hurst. Biomed Eng 12(1):44
3. Karnewar JS (2013) The combined effect of median and FIR filter in pre-processing of ECG signal using matlab. Int J Comput Appl Natl Level Techn Conf X-PLORE 13:30–33
4. Benmaiek M, Charej A (2010) Preprocessing of the ECG signals using the his-purkinje fractal system. In: 7th international multi-conference on systems, signals and devices. IEEE, pp 3–7
5. Walsh EP, Alexander ME, Cecchin F (1924) Electrocardiography and introduction to electro physiologic techniques, pp 145–181