User profiles for W.J.H. Veldkamp

Wouter JH Veldkamp

Medical Physicist, Leiden University Medical Center
Verified email at lumc.nl
Cited by 2786

[HTML][HTML] Image quality in CT: From physical measurements to model observers

…, MJ Tapiovaara, P Toroi, FO Bochud, WJH Veldkamp… - Physica Medica, 2015 - Elsevier
Abstract Evaluation of image quality (IQ) in Computed Tomography (CT) is important to
ensure that diagnostic questions are correctly answered, whilst keeping radiation dose to the …

Dose and perceived image quality in chest radiography

WJH Veldkamp, LJM Kroft, J Geleijns - European journal of radiology, 2009 - Elsevier
Chest radiography is the most commonly performed diagnostic X-ray examination. The
radiation dose to the patient for this examination is relatively low but because of its frequent use, …

Development and validation of segmentation and interpolation techniques in sinograms for metal artifact suppression in CT

WJH Veldkamp, RMS Joemai… - Medical …, 2010 - Wiley Online Library
Purpose: Metal prostheses cause artifacts in computed tomography (CT) images. The purpose
of this work was to design an efficient and accurate metal segmentation in raw data to …

Quantitative assessment of selective in-plane shielding of tissues in computed tomography through evaluation of absorbed dose and image quality

J Geleijns, M Salvado Artells, WJH Veldkamp… - European …, 2006 - Springer
This study aimed at assessment of efficacy of selective in-plane shielding in adults by quantitative
evaluation of the achieved dose reduction and image quality. Commercially available …

Automated classification of clustered microcalcifications into malignant and benign types

WJH Veldkamp, N Karssemeijer, JDM Otten… - Medical …, 2000 - Wiley Online Library
The objectives in this study were to design and test a fully automated method for classification
of microcalcification clusters into malignant and benign types, and to compare the …

The value of scatter removal by a grid in full field digital mammography

WJH Veldkamp, MAO Thijssen… - Medical …, 2003 - Wiley Online Library
Our objective in this study was to investigate the usefulness of an anti‐scatter grid in digital
mammography using a contrast detail phantom. The mammography system we investigated …

Average glandular dose in digital mammography and digital breast tomosynthesis: comparison of phantom and patient data

…, C Jeukens, WJH Veldkamp… - Physics in Medicine …, 2015 - iopscience.iop.org
For the evaluation of the average glandular dose (AGD) in digital mammography (DM) and
digital breast tomosynthesis (DBT) phantoms simulating standard model breasts are used. …

Development of a 3D printed anthropomorphic lung phantom for image quality assessment in CT

…, GJ Streekstra, J Geleijns, WJH Veldkamp - Physica Medica, 2019 - Elsevier
Purpose To design a 3D printed anthropomorphic lung vessel phantom for CT image quality
assessment and to evaluate the phantom image and dose characteristics. Methods An in-…

Normalization of local contrast in mammograms

WJH Veldkamp, N Karssemeijer - IEEE Transactions on …, 2000 - ieeexplore.ieee.org
Equalizing image noise has been shown to be an important step in automatic detection of
microcalcifications in digital mammograms. In this study, an accurate adaptive approach for …

[HTML][HTML] Comparison of a flexible versus a rigid breast compression paddle: pain experience, projected breast area, radiation dose and technical image quality

MJM Broeders, M Ten Voorde, WJH Veldkamp… - European …, 2015 - Springer
Purpose To compare pain, projected breast area, radiation dose and image quality between
flexible (FP) and rigid (RP) breast compression paddles. Methods The study was conducted …