In this paper, we formulate interactive image matting as a constrained optimization problem. We first make some simple and reasonable assumptions about the alpha matte and assume that, geometrically, the closer two pixels are, the more likely they will have similar alpha values, conversely, the farther apart two pixels are, the more likely they will have different alpha values; photometrically,...

We study the effects of strong Coulomb disorder on transverse magnetoresistance in Weyl semimetals at low temperatures. Using diagrammatic technique and Keldysh model to sum up leading terms expansion, we find that linear exhibits a renormalization due long-range nature interaction ${\ensuremath{\rho}}_{xx}\ensuremath{\propto}H\phantom{\rule{0.16em}{0ex}}ln(eH\ensuremath{\hbar}{v}^{2}/c{T}_{\ma...

We apply the concept of equivalent uniform dose (EUD) to our data set of model distributions and intensity modulated radiotherapy (IMRT) treatment plans as a method for analyzing large dose inhomogeneities within the tumor volume. For large dose nonuniformities, we find that the linerar-quadratic based EUD model is sensitive to the linear-quadratic model parameters, alpha and beta, making it ne...

In this paper we consider a fractional optimization problem that minimizes the ratio of two quadratic functions subject to a strictly convex quadratic constraint. First using the extension of Charnes-Cooper transformation, an equivalent homogenized quadratic reformulation of the problem is given. Then we show that under certain assumptions, it can be solved to global optimality using semidefini...

Clinical and experimental studies have implicated high circulating levels of the cytokine tumour necrosis factor-alpha (TNF-alpha) in the pathogenesis of insulin resistance, not only in obesity and diabetes, but also in clinical conditions associated with cachexia and sepsis. TNF-alpha impairs insulin-mediated glucose uptake in adipocytes, but because of lipolytic effects the interpretation of ...

this research seeks to determine the dimensions of organizational forgetting management and prioritize them in university. current research in terms of purpose is applicable. in terms of data, it is quantitative. in terms of method, it is a descriptive-survey research. in this research, for determining the validity of measurement tool, content validity has been used and for calculating the reli...