Adaptive Regularization Method for Tomography Reconstruction

来源 :第八届工业与应用数学国际大会 | 被引量 : 0次 | 上传用户：jhq0327

【摘要】

：

The purpose of this study was to implement the adaptive regularization rooted from traditional discrete Total Variation(TV)regularization for iterative tomography reconstruction in mesh domain to supp

【作者】

：

Lu Yao

【机构】

：

Sun Yat-sen Univ.

【出处】

：

第八届工业与应用数学国际大会

【发表日期】

：

2015年5期

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

其他文献

原子转移自由基法制备纤维素基松香复合材料及其性能研究

以微晶纤维素为原料，经均相(DMAc/LiCl)酯化反应与 2-溴代异丁酰溴合成纤维素基大分子引发剂，然后以Cu(Ⅰ)Br/PMDEATA为催化体系通过原子转移自由基聚合法“graft from”将可聚合松香单体(脱氢枞酸(2-甲基丙烯酰氧基乙基)酯(DA-HEMA)接枝到纤维素骨架上合成纤维素-g-树脂酸基接枝共聚物(cellulose-g-PDAHEMA)。动力学曲线表明 ATRP 聚合过程的

会议

原子转移自由基聚合纤维素松香单体复合材料

Numerical Simulation for Conservative Fractional Diffusion Equations by An Expanded Mixed Formulatio

we adopt the saddle-point theoretical framework to analyze the conservative fractional diffusion equations.By introducing a fractional-order flux as auxiliary variable,we establish the well-posedness

会议

Second-order Approximations for Variable Order Fractional Derivatives:Algorithms and Applications

We derive two second-order approximation formulas for the fractional time derivatives involved in anomalous diffusion and wave propagation.

会议

Closed-loop Controlled Spraying of Anomalously Diffusing Pests Using Networked Unmanned Aircraft Cro

This work considers crop pest management as a closed-loop spray control system where actuators and sensors could be collocated on net-worked unmanned aerial crop-dusters.

会议

A probabilistic collocation Eulerian-Lagrangian localized adjoint method on sparse grids for assessi

We develop a probabilistic collocation Eulerian–Lagrangian localized adjoint method on sparse grids for assessing CO2 leakage through wells in randomly heterogeneous porous media,by utilizing the intr

会议

RKDG Methods with Cut Cell for Compressible Multi-phase Flows:Full Navier-Stokes Equations

Following our earlier works with Euler equations,full Navier-Stokes equations are realized in the cut-cell based RKDG method to simulate compressible multi-phase flows,by including viscosity and condu

会议

Exact Solutions to Riemann Problems of Gas-water-solid-vacuum Systems and Constructions of Numerical

A review will be given on exact solutions of Riemann problems we obtained for flows of gas,water,solid,and vacuum systems(JCP 1996; 1999).

会议

Parameterized Model Order Reduction of Delayed Systems by Means of An Enhanced Interpolation Approac

High-speed systems require electromagnetic methods as analysis and design tools,which often generate large systems of equations.When the frequency content of signals increases or the geometrical dimen

会议

Using Krylov-type Parametric Model Reduction to Accelerate Uncertainty Quantification of Electro-The

Uncertainty quantification for high-order electro-thermal models of power-MOS devices is computationally expensive.To reduce the computational cost,we employ a Krylov-type parametric model reduction m

会议

Distributed Finite-time Tracking of Multiple Euler-Lagrange Systems without Velocity Measurements

This paper investigates the distributed finite-time tracking problem of networked agents with Euler-Lagrange dynamics.To achieve finite-time tracking,with the aid of second-order sliding-mode observer

会议

Adaptive Regularization Method for Tomography Reconstruction

与本文相关的学术论文