WHERE DID THE TUMOR START? AN INVERSE SOLVER WITH SPARSE LOCALIZATION FOR TUMOR GROWTH MODELS [0.03%]
肿瘤生长模型中稀疏定位的逆解算器用于确定肿瘤起始位置
Shashank Subramanian,Klaudius Scheufele,Miriam Mehl et al.
Shashank Subramanian et al.
We present a numerical scheme for solving an inverse problem for parameter estimation in tumor growth models for glioblastomas, a form of aggressive primary brain tumor. The growth model is a reaction-diffusion partial differential equation...
A DOMAIN DECOMPOSITION PRECONDITIONING FOR AN INVERSE VOLUME SCATTERING PROBLEM [0.03%]
求解体散射反问题的区域分解法预处理不适定线性系统
Carlos Borges,George Biros
Carlos Borges
We propose domain decomposition preconditioners for the solution of an integral equation formulation of the acoustic forward and inverse scattering problems. We study both forward and inverse volume problems and propose preconditioning tech...
Sparsity promoting regularization for effective noise suppression in SPECT image reconstruction [0.03%]
促进稀疏的正则化在SPECT图像重建中的有效去噪作用
Wei Zheng,Si Li,Andrzej Krol et al.
Wei Zheng et al.
The purpose of this research is to develop an advanced reconstruction method for low-count, hence high-noise, single-photon emission computed tomography (SPECT) image reconstruction. It consists of a novel reconstruction model to suppress n...
A second order Calderón's method with a correction term and a priori information [0.03%]
一个带有修正项和先验信息的二阶Calderón方法
Kwancheol Shin,Jennifer L Mueller,Jennifer L Mueller
Kwancheol Shin
Calderón's method is a direct linearized reconstruction method for the inverse conductivity problem with the attribute that it can provide absolute images of both conductivity and permittivity with no need for forward modeling. In this wor...
J L Mueller,S Siltanen
J L Mueller
Electrical impedance tomography (EIT) is an imaging modality where a patient or object is probed using harmless electric currents. The currents are fed through electrodes placed on the surface of the target, and the data consists of voltage...
A DIRECT RECONSTRUCTION ALGORITHM FOR THE ANISOTROPIC INVERSE CONDUCTIVITY PROBLEM BASED ON CALDERÓN'S METHOD IN THE PLANE [0.03%]
Calderón 方法下的平面各向异性反导电性问题的直接重建算法
Rashmi Murthy,Yi-Hsuan Lin,Kwancheol Shin et al.
Rashmi Murthy et al.
A direct reconstruction algorithm based on Calderón's linearization method for the reconstruction of isotropic conductivities is proposed for anisotropic conductivities in two-dimensions. To overcome the non-uniqueness of the anisotropic i...
David J Albers,Paul-Adrien Blancquart,Matthew E Levine et al.
David J Albers et al.
Ensemble Kalman methods constitute an increasingly important tool in both state and parameter estimation problems. Their popularity stems from the derivative-free nature of the methodology which may be readily applied when computer code is ...
Fisher information analysis of list-mode SPECT emission data for joint estimation of activity and attenuation distribution [0.03%]
用于联合估计活性和衰减分布的列表模式SPECT发射数据的费舍信息分析
Ashequr Rahman,Yansong Zhu,Eric Clarkson et al.
Ashequr Rahman et al.
The potential to perform attenuation and scatter compensation (ASC) in single-photon emission computed tomography (SPECT) imaging without a separate transmission scan is highly significant. In this context, attenuation in SPECT is primarily...
Cryo-EM reconstruction of continuous heterogeneity by Laplacian spectral volumes [0.03%]
拉普拉斯谱域 cryo-EM 连续异质性重建法
Amit Moscovich,Amit Halevi,Joakim Andén et al.
Amit Moscovich et al.
Single-particle electron cryomicroscopy is an essential tool for high-resolution 3D reconstruction of proteins and other biological macromolecules. An important challenge in cryo-EM is the reconstruction of non-rigid molecules with parts th...
Deconvolving the input to random abstract parabolic systems: a population model-based approach to estimating blood/breath alcohol concentration from transdermal alcohol biosensor data [0.03%]
基于人群模型的估算方法：从透皮酒精生物传感器数据估计血液/呼吸中酒精浓度的输入解卷积算法在随机抽象抛物型系统中的应用
Melike Sirlanci,I G Rosen,Susan E Luczak et al.
Melike Sirlanci et al.
The distribution of random parameters in, and the input signal to, a distributed parameter model with unbounded input and output operators for the transdermal transport of ethanol are estimated. The model takes the form of a diffusion equat...