Perfusion-CT assessment of infarct core and penumbra: receiver operating characteristic curve analysis in 130 patients suspected of acute hemispheric stroke

…, I Gabriely, V Medina, A Quiles, S Pohlman, M Quist… - Stroke, 2006 - Am Heart Assoc
Background and Purpose— Different definitions have been proposed to define the ischemic
penumbra from perfusion-CT (PCT) data, based on parameters and thresholds tested only …

A generic framework for non-rigid registration based on non-uniform multi-level free-form deformations

JA Schnabel, D Rueckert, M Quist, JM Blackall… - … Image Computing and …, 2001 - Springer
This work presents a framework for non-rigid registration which extends and generalizes a
previously developed technique by Rueckert et al. [ 1 ]. We combine multi-resolution …

Accuracy of dynamic perfusion CT with deconvolution in detecting acute hemispheric stroke

…, WS Smith, NU Ko, M Quist… - American journal …, 2005 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Dynamic perfusion CT (PCT) with deconvolution
produces maps of time-to-peak (TTP), mean transit time (MTT), regional cerebral blood flow (rCBF), …

Dynamic perfusion CT: optimizing the temporal resolution and contrast volume for calculation of perfusion CT parameters in stroke patients

…, WS Smith, NU Ko, M Quist… - American Journal …, 2004 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Numerous parameters are involved in dynamic perfusion
CT (PCT). We assessed the influence of the temporal sampling rate and the volume of …

Gray-value based registration of CT and MR images by maximization of local correlation

…, P Rösch, T Netsch, T Blaffert, M Quist - Medical Image Computing …, 1999 - Springer
For gray-value based multi-modality registration the similarity measure is essential. Excellent
results have been obtained with mutual information for various modality combinations. In …

Automatic quantitative analysis of cardiac MR perfusion images

…, LJ Spreeuwers, MJ Quist - Medical Imaging 2001 …, 2001 - spiedigitallibrary.org
Magnetic Resonance Imaging (MRI) is a powerful technique for imaging cardiovascular
diseases. The introduction of cardiovascular MRI into clinical practice is however hampered by …

Magnetic resonance image registration in multiple sclerosis: Comparison with repositioning error and observer‐based variability

…, MAA Van Walderveen, M Quist… - Journal of Magnetic …, 2002 - Wiley Online Library
Purpose To study the use of image registration in the analysis of multiple sclerosis (MS)
lesion volume and compare this with repositioning error and observer‐based variability. …

Improved interobserver agreement for visual detection of active T2 lesions on serial MR scans in multiple sclerosis using image registration

…, TA Yousry, PJW Pouwels, HJ Adèr, MJ Quist… - Journal of …, 2001 - Springer
The aim of this study was to analyse the effect of image registration on interobserver
agreement in the visual detection of active multiple sclerosis (MS) lesions from serial magnetic …

Towards automatic quantitative analysis of cardiac MR perfusion images

M Breeuwer, M Quist, L Spreeuwers, I Paetsch… - International Congress …, 2001 - Elsevier
Magnetic Resonance Imaging (MRI) is a powerful technique for imaging cardiovascular
diseases. The introduction of cardiovascular MRI into clinical practice is however hampered by …

Template selection and rejection for robust nonrigid 3D registration in the presence of large deformations

P Roesch, T Mohs, T Netsch, MJ Quist… - Medical Imaging …, 2001 - spiedigitallibrary.org
The purpose of the proposed template propagation method is to support the comparative
analysis of image pairs even when large deformations (eg from movement) are present. …