This paper presents some experiments with feature and score normalization for text-independent speaker verification of cellular data. The speaker verification system is based on cepstral features and Gaussian mixture models with 1024 components. The following methods, which have been proposed for feature and score normalization, are reviewed and evaluated on cellular data: cepstral mean subtrac...

We introduce a plane, which we call the delta-sigma plane, that is indexed by the norm of the estimator bias gradient and the variance of the estimator. The norm of the bias gradient is related to the maximum variation in the estimator bias function over a neighborhood of parameter space. Using a uniform Cramer-Rao (CR) bound on estimator variance, a delta-sigma tradeoff curve is specified that...

We show that the Brydges-Fröhlich-Spencer-Dynkin and Le Jan’s isomorphisms between Gaussian free fields occupation times of symmetric Markov processes generalize to β-Dyson’s Brownian motion. For β∈{1,2,4} this is a consequence case, however relation holds for general β. further raise question whether there an analogue motion on electrical networks, interpolating extrapolating eigenvalues in ma...

We determine the norm Euclidean orders in a positive definite quaternion algebra over Q. Lagrange (1770) proved the four square theorem via Euler’s four square identity and a descent argument. Hurwitz [4] gave a quaternionic proof using the order Λ(2) with Z-basis: 1, i, j, 1 2 (1 + i + j + k). Here i = j = −1 and ij = −ji = k, the standard basis of the quaternions. The key property of Λ(2) is ...

Computation of high frequency solutions to wave equations is important in many applications, and notoriously difficult in resolving wave oscillations. Gaussian beams are asymptotically valid high frequency solutions concentrated on a single curve through the physical domain, and superposition of Gaussian beams provides a powerful tool to generate more general high frequency solutions to PDEs. A...

Aim: The aim of this study is to investigate individuals’ attitude towards the coronavirus disease 2019 (COVID-19) vaccine, and explain vaccination intention in framework theory reasoned action. extends action with country origin image variable. Material Methods: data were collected by survey method. consists a total 48 items, including individual innovativeness, subjective norms, COVID-19 get ...

Recently, using DiGiorgi-type techniques, Caffarelli and Vasseur [1] showed that a certain class of weak solutions to the drift diffusion equation with initial data in L gain Hölder continuity provided that the BMO norm of the drift velocity is bounded uniformly in time. We show a related result: a uniform bound on BMO norm of a smooth velocity implies uniform bound on the C norm of the solutio...

*Correspondence: [email protected] School of Mathematical and Statistics, Zaozhuang University, Zaozhuang, 277160, China Abstract Optimal asymptotic orders of the probabilistic linear (n,δ)-widths of λn,δ (Wr 2,α,β ,ν , Lq,α,β ) of the weighted Sobolev spaceW r 2,α,β equipped with a Gaussian measure ν are established, where Lq,α,β , 1≤ q≤∞, denotes the Lq space on [–1, 1] with respect to the me...

In this expository note, we give a modern proof of Hanson-Wright inequality for quadratic forms in sub-gaussian random variables. We deduce a useful concentration inequality for sub-gaussian random vectors. Two examples are given to illustrate these results: a concentration of distances between random vectors and subspaces, and a bound on the norms of products of random and deterministic matric...