Search Results for author: Yi Xia

Found 6 papers, 3 papers with code

Leveraging SAM for Single-Source Domain Generalization in Medical Image Segmentation

1 code implementation4 Jan 2024 Hanhui Wang, Huaize Ye, Yi Xia, Xueyan Zhang

Domain Generalization (DG) aims to reduce domain shifts between domains to achieve promising performance on the unseen target domain, which has been widely practiced in medical image segmentation.

Domain Generalization Image Segmentation +3

Optimal management of DB pension fund under both underfunded and overfunded cases

no code implementations17 Feb 2023 Guohui Guan, Zongxia Liang, Yi Xia

This paper investigates the optimal management of an aggregated defined benefit pension plan in a stochastic environment.

Management

Optimal management of DC pension fund under relative performance ratio and VaR constraint

no code implementations7 Mar 2021 Guohui Guan, Zongxia Liang, Yi Xia

Numerical examples are shown in the end of this paper to illustrate the impacts of the performance ratio and VaR constraint.

Management

Compressive sensing lattice dynamics. I. General formalism

1 code implementation22 May 2018 Fei Zhou, Weston Nielson, Yi Xia, Vidvuds Ozolins

{\it Ab initio\/} calculations have been successfully used for evaluating lattice dynamical properties of solids within the (quasi-)harmonic approximation (i. e., assuming non-interacting phonons with infinite lifetimes), but it remains difficult to treat anharmonicity in all but the simplest compounds.

Computational Physics Materials Science

Compressive sensing lattice dynamics. II. Efficient phonon calculations and long-range interactions

1 code implementation22 May 2018 Fei Zhou, Babak Sadigh, Daniel Aberg, Yi Xia, Vidvuds Ozolins

We apply the compressive sensing lattice dynamics (CSLD) method to calculate phonon dispersion for crystalline solids.

Materials Science

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