In this paper, we propose a novel multiscale penalized weighted least-squares (PWLS)
method for restoration of low-dose computed tomography (CT) sinogram. The method …

Qualitative and quantitative use of volumes reconstructed by computed tomography (CT)
can be compromised due to artefacts which corrupt the data. This article illustrates a method …

A strategy for the derivation of fast, accurate and stable algorithms for combining the
reconstruction and the feature extraction step for solving linear ill-posed problems in just one …

The tasks of image reconstruction from measured data and the analysis of the resulting
images are more or less strictly separated. One group of scientists computes by applying …

The present work aims at proposing a new wavelet representation formula for rotation
invariant feature extraction. The algorithm is a multilevel representation formula involving no …

Die in der Computertomographie (CT) gemessenen Daten sind verrauscht und somit auch
die daraus rekonstruierten Schichten. In dieser Arbeit werden Methoden zur …

For parallel beam geometry the Fourier reconstruction works via the Fourier slice theorem
(or central slice theorem, projection slice theorem). For fan beam situation, Fourier slice can …

The result of tomographic examination is a series of two-dimensional (2D) or three-
dimensional (3D) images, on which a diagnosis is based. Automatic evaluations of these …

We propose a new wavelet-based reconstruction method suited to three-dimensional (3-D)
cone-beam (CB) tomography. It is derived from the Feldkamp algorithm and is valid for the …

We propose a multiresolution X-ray imaging method designed for non-destructive
testing/evaluation (NDT/NDE) applications which can also be used for small animal imaging …