Publications for Tommy Elfving
Co-author map based on ISI articles 2007-

Keywords

ub> system simultaneous relaxation reconstruction projections projected p>we oblique model least-squares learning landweber iterative imaging convergence class block-iterative algorithm (

Journal Articles

Tommy Elfving, Per Christian Hansen and Touraj Nikazad
  Semi-convergence properties of Kaczmarzs method
  Inverse Problems, 2014, 30(5), 055007.

Tommy Elfving, Per Christian Hansen and Touraj Nikazad
  Semiconvergence and Relaxation Parameters for Projected SIRT Algorithms
  SIAM Journal on Scientific Computing, 2012, 34(4), A2000-A2017.
   Fulltext  PDF  
 Web of Science® Times Cited: 2

Tommy Elfving, Touraj Nikazad and Per-Christian Hansen
  Semi-convergence and relaxation parameters for a class of SIRT algorithms
  Electronic Transactions on Numerical Analysis, 2010, 37, 321-336.
 Web of Science® Times Cited: 8

Tommy Elfving and Touraj Nikazad
  Properties of a class of block-iterative methods
  INVERSE PROBLEMS, 2009, 25(11), .
 Web of Science® Times Cited: 4

Tommy Elfving and Ingegerd Skoglund
  A direct method for a regularized least-squares problem
  NUMERICAL LINEAR ALGEBRA WITH APPLICATIONS, 2009, 16(8), 649-675.

Yair Censor, Tommy Elfving, Gabor T. Herman and Touraj Nikazad
  On Diagonally Relaxed Orthogonal Projection Methods
  SIAM Journal on Scientific Computing, 2008, 30(1), 473-504.
 Web of Science® Times Cited: 25

Tommy Elfving and Touraj Nikazad
  Some Block-Iterative Methods used in Image Reconstruction
  , 2008, , .

Tommy Elfving and Touraj Nikazad
  Stopping Rules for Landweber-type Iteration
  Inverse Problems, 2007, 23(4), 1417-1432.
 Web of Science® Times Cited: 15

Tommy Elfving and Ingegerd Skoglund
  A block-preconditioner for a special regularized least-squares problem
  Linear Algebra with Applications, 2007, 14(6), 469-484.
 Web of Science® Times Cited: 1

Björn Johansson, Tommy Elfving, Vladimir Kozlov, Y. Censor, Per-Erik Forssén and Gösta Granlund
  The application of an oblique-projected Landweber method to a model of supervised learning
  Mathematical and computer modelling, 2006, 43(7-8), 892-909.
 Web of Science® Times Cited: 12

Yair Censor, Tommy Elfving, Nirit Kopf and Thomas Bortfeld
  The multiple-sets split feasibility problem and its applications for inverse problems
  Inverse Problems, 2005, 21, 2071-2084.
 Web of Science® Times Cited: 113

Tommy Elfving
  A projection method for semidefinite linear systems and its applications
  , 2004, , .
 Web of Science® Times Cited: 3

Yair Censor and Tommy Elfving
  Iterative algorithms with seminorm-induced oblique projections
  , 2003, , .

Y Censor and Tommy Elfving
  Block-iterative algorithms with diagonally scaled oblique projections for the linear feasibility problem
  SIAM Journal on Matrix Analysis and Applications, 2002, 24(1), 40-58.
 Web of Science® Times Cited: 52

Chapters in Books

Tommy Elfving, Touraj Nikazad and Constantin Popa
  A Class of Iterative Methods: Semi-Convergence, Stopping Rules, Inconsistency, and Constraining
  Biomedical Mathematics: Promising Directions in Imaging,Therapy Planning and Inverse Problems, Medical Physics Publishing, 2010, 157-184.


Tommy Elfving and Touraj Nikazad
  Some Properties of ART-type Reconstruction Algorithms
  Mathematical Methods in Biomedical Imaging and Intensity-Modulated Radiation Therapy (IMRT),, , 2008, 526.


Ph.D. Theses

Touraj Nikazad
  Algebraic Reconstruction Methods
  2008.


  Fulltext PDF

Licentiate Theses

Touraj Nikazad
  The Use of Landweber Algorithm in Image Reconstruction
  2007.


  Fulltext PDF

Ingegerd Skoglund
  Algorithms for a Partially Regularized Least Squares Problem
  2007.


  Fulltext PDF

Reports

Tommy Elfving and Ingegerd Skoglund
  A direct method for a special regularized least squares problem
  LiTH-MAT-R, 8, 2007.


Björn Johansson, Tommy Elfving, Vladimir Kozlov, Yair Censor and Gösta Granlund
  The Application of an Oblique-Projected Landweber Method to a Model of Supervised Learning
  LiTH-ISY-R, 2623, 2004.