List of works - Per Christian Hansen

A Look-Ahead Levinson Algorithm for Indefinite Toeplitz Systems

A direct numerical reconstruction algorithm for the 3D Calderón problem

AIR Tools II: algebraic iterative reconstruction methods, improved implementation

scientific article published on 17 November 2017

Analysis of Discrete Ill-Posed Problems by Means of the L-Curve

scientific article

Computed Tomography Reconstruction with Uncertain View Angles by Iteratively Updated Model Discrepancy

scholarly article by Nicolai A B Riis et al published 4 July 2020 in Journal of Mathematical Imaging and Vision

Computed tomography with view angle estimation using uncertainty quantification

scholarly article by Nicolai A B Riis et al published 1 June 2021 in Inverse Problems

Computing Truncated Singular Value Decomposition Least Squares Solutions by Rank Revealing QR-Factorizations

article by Tony F. Chan & Per Christian Hansen published May 1990 in SIAM Journal on Scientific and Statistical Computing

Computing segmentations directly from x-ray projection data via parametric deformable curves

scientific article published on 15 December 2017

Convergence analysis for column-action methods in image reconstruction

Corrigendum: Algorithm 729; FORTRAN subroutines for general Toeplitz systems

scholarly article published in ACM Transactions on Mathematical Software

EMPIRICAL AVERAGE-CASE RELATION BETWEEN UNDERSAMPLING AND SPARSITY IN X-RAY CT.

scientific article published on May 2015

Electrical impedance tomography: 3D reconstructions using scattering transforms

FORTRAN subroutines for general Toeplitz systems

Generalized row-action methods for tomographic imaging

scientific article published in November 2013

High-definition velocity-space tomography of fast-ion dynamics

scientific article published on 19 August 2016

IR Tools: a MATLAB package of iterative regularization methods and large-scale test problems

scholarly article by Silvia Gazzola et al published 3 August 2018 in Numerical Algorithms

Limited-data x-ray CT for underwater pipeline inspection

scholarly article by N A B Riis et al published 23 January 2018 in Inverse Problems

Noise robustness of a combined phase retrieval and reconstruction method for phase-contrast tomography.

scientific article

Reduction of broad-band noise in speech by truncated QSVD

article

Semi-convergence properties of Kaczmarz’s method

scientific article published in May 2014

Simultaneous tomographic reconstruction and segmentation with class priors

scientific article published on 28 December 2015

Some Applications of the Rank Revealing QR Factorization

Sound source reconstruction using inverse boundary element calculations

scientific article published on 01 January 2003

Subspace-Based Noise Reduction for Speech Signals via Diagonal and Triangular Matrix Decompositions: Survey and Analysis