Exploiting Nonlinear Recurrence and Fractal Scaling Properties for Voice Disorder Detection
نویسندگان
چکیده
منابع مشابه
Exploiting Nonlinear Recurrence and Fractal Scaling Properties for Voice Disorder Detection
BACKGROUND Voice disorders affect patients profoundly, and acoustic tools can potentially measure voice function objectively. Disordered sustained vowels exhibit wide-ranging phenomena, from nearly periodic to highly complex, aperiodic vibrations, and increased "breathiness". Modelling and surrogate data studies have shown significant nonlinear and non-Gaussian random properties in these sounds...
متن کاملUsing Nonlinear Features for Voice Disorder Detection
In this paper we propose the use of nonlinear speech features to improve the voice quality measurement. We have tested a couple of features from the Dynamical System Theory, namely: the Correlation Dimension and the largest Lyapunov Exponent. In particular, we have studied the optimal size of time window for this type of analysis in the field of the characterization of the voice quality. Two sy...
متن کاملScaling properties of multilayer fractal structures
As regards light propagation in multilayer media in general, it should be noted that the majority of results here were obtained in the studies of the two opposite cases. On the one hand, the properties of perfectly periodic media (such as photonic crystals) have been generally described and understood, and those media are known to exhibit photonic band gaps and omnidirectional reflection, which...
متن کاملLinear stochastic dynamics with nonlinear fractal properties
Stochastic processes with multiplicative noise have been studied independently in several different contexts over the past decades. We focus on the regime, found for a generic set of control parameters, in which stochastic processes with multiplicative noise produce intermittency of a special kind, characterized by a power law probability density distribution. We present a review of application...
متن کاملScaling and scaling crossover for transport on anisotropic fractal structures
Diffusion into fibrous anisotropic structures can exhibit a variety of crossover phenomena. Scaling of amount adsorbed versus time in such structures is studied by standard renormalization methods as a function of anisotropy for several kinds of discrete models. Total mass adsorbed as a function of time from a reservoir attached at a single point exhibits different power laws in different logar...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: BioMedical Engineering OnLine
سال: 2007
ISSN: 1475-925X
DOI: 10.1186/1475-925x-6-23