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pro vyhledávání: '"Wei, Dongming"'
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. The corresponding f
Externí odkaz:
http://arxiv.org/abs/2301.10734
Unsupervised Landmark Detection Based Spatiotemporal Motion Estimation for 4D Dynamic Medical Images
Autor:
Guo, Yuyu, Bi, Lei, Wei, Dongming, Chen, Liyun, Zhu, Zhengbin, Feng, Dagan, Zhang, Ruiyan, Wang, Qian, Kim, Jinman
Motion estimation is a fundamental step in dynamic medical image processing for the assessment of target organ anatomy and function. However, existing image-based motion estimation methods, which optimize the motion field by evaluating the local imag
Externí odkaz:
http://arxiv.org/abs/2109.14805
his paper presents finite element methods for solving numerically the Risk-Adjusted Pricing Methodology (RAPM) Black-Scholes model for option pricing with transaction costs. Spatial finite element models based on P1 and/or P2 elements are formulated
Externí odkaz:
http://arxiv.org/abs/2103.08380
Publikováno v:
In International Review of Economics and Finance January 2024 89 Part A:582-593
In this paper, finite element method is applied to Leland's model for numerical simulation of option pricing with transaction costs. Spatial finite element models based on P1 and/or P2 elements are formulated in combination with a Crank-Nicolson-type
Externí odkaz:
http://arxiv.org/abs/2010.13541
Autor:
Wei, Dongming, Ahmad, Sahar, Huang, Yunzhi, Ma, Lei, Wu, Zhengwang, Li, Gang, Wang, Li, Wang, Qian, Yap, Pew-Thian, Shen, Dinggang
Deformable image registration is fundamental to longitudinal and population analysis. Geometric alignment of the infant brain MR images is challenging, owing to rapid changes in image appearance in association with brain development. In this paper, w
Externí odkaz:
http://arxiv.org/abs/2005.09230
Brain magnetic resonance (MR) segmentation for hydrocephalus patients is considered as a challenging work. Encoding the variation of the brain anatomical structures from different individuals cannot be easily achieved. The task becomes even more diff
Externí odkaz:
http://arxiv.org/abs/2001.03857
Autor:
Wei, Dongming, Aniyarov, Almir, Zhang, Dichuan, Spitas, Christos, Nurakhmetov, Daulet, Amrin, Andas
Publikováno v:
In Alexandria Engineering Journal 1 September 2023 78:246-255
Autor:
Wei, Dongming, Ahmad, Sahar, Huo, Jiayu, Peng, Wen, Ge, Yunhao, Xue, Zhong, Yap, Pew-Thian, Li, Wentao, Shen, Dinggang, Wang, Qian
Thermal ablation is a minimally invasive procedure for treat-ing small or unresectable tumors. Although CT is widely used for guiding ablation procedures, the contrast of tumors against surrounding normal tissues in CT images is often poor, aggravati
Externí odkaz:
http://arxiv.org/abs/1907.13020
Objective: Deformable brain MR image registration is challenging due to large inter-subject anatomical variation. For example, the highly complex cortical folding pattern makes it hard to accurately align corresponding cortical structures of individu
Externí odkaz:
http://arxiv.org/abs/1902.02342