Search Results for author: Dongming Wei

Found 8 papers, 2 papers with code

Valuation of the Convertible Bonds under Penalty TF model using Finite Element Method

no code implementations25 Jan 2023 Rakhymzhan Kazbek, Yogi Erlangga, Yerlan Amanbek, Dongming Wei

In this paper, the TF system of two-coupled Black-Scholes equations for pricing the convertible bonds is solved numerically by using the P1 and P2 finite elements with the inequality constraints approximated by the penalty method.

Unsupervised Landmark Detection Based Spatiotemporal Motion Estimation for 4D Dynamic Medical Images

2 code implementations30 Sep 2021 Yuyu Guo, Lei Bi, Dongming Wei, Liyun Chen, Zhengbin Zhu, Dagan Feng, Ruiyan Zhang, Qian Wang, Jinman Kim

In the first stage, we process the raw dense image to extract sparse landmarks to represent the target organ anatomical topology and discard the redundant information that is unnecessary for motion estimation.

Anatomy Motion Estimation +1

Finite element solutions of the nonlinear RAPM Black-Scholes model

no code implementations15 Mar 2021 Dongming Wei, Yogi Ahmad Erlangga, Andrey Pak, Laila Zhexembay

his paper presents finite element methods for solving numerically the Risk-Adjusted Pricing Methodology (RAPM) Black-Scholes model for option pricing with transaction costs.

A Finite Element Approach to the Numerical Solutions of Leland's Mode

no code implementations26 Oct 2020 Dongming Wei, Yogi Ahmad Erlangga, Gulzat Zhumakhanova

Our results compare favorably with the finite difference results in the literature for the model.

Synthesis and Inpainting-Based MR-CT Registration for Image-Guided Thermal Ablation of Liver Tumors

no code implementations30 Jul 2019 Dongming Wei, Sahar Ahmad, Jiayu Huo, Wen Peng, Yunhao Ge, Zhong Xue, Pew-Thian Yap, Wentao Li, Dinggang Shen, Qian Wang

Then, an unsupervised registration network is used to efficiently align the pre-procedural CT (pCT) with the inpainted iCT (inpCT) image.

Image Registration

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