Iterative reconstruction methods in two different MDCT scanners: physical metrics and 4-alternative forced-choice detectability experiments–a phantom approach

FA Miéville, F Gudinchet, F Brunelle, FO Bochud… - Physica medica, 2013 - Elsevier
This paper characterizes and evaluates the potential of three commercial CT iterative
reconstruction methods (ASIR™, VEO™ and iDose 4 ( ™ ) ) for dose reduction and image quality …

Estimation of the noisy component of anatomical backgrounds

FO Bochud, JF Valley, FR Verdun, C Hessler… - Medical …, 1999 - Wiley Online Library
Bochud et al.: Estimation of the noisy component … O. Bochud, ‘‘Rôle du bruit dans le
processus de détection radiologique,’’ Ph.D. thesis, Faculty of Sciences, University of Lausanne, …

High dose‐per‐pulse electron beam dosimetry: usability and dose‐rate independence of EBT3 Gafchromic films

…, MT Durán, MC Vozenin, J Bourhis, FO Bochud… - Medical …, 2017 - Wiley Online Library
Purpose The aim of this study was to assess the suitability of Gafchromic EBT3 films for reference
dose measurements in the beam of a prototype high dose‐per‐pulse linear accelerator …

Statistical texture synthesis of mammographic images with clustered lumpy backgrounds

FO Bochud, CK Abbey, MP Eckstein - Optics express, 1999 - opg.optica.org
Realistic anatomical images are useful for assessment and improvement of medical image
quality. The use of synthesized images has the advantage of providing the user with a large …

Model-based iterative reconstruction in pediatric chest CT: assessment of image quality in a prospective study of children with cystic fibrosis

…, F Gudinchet, S Schmidt, F Brunelle, FO Bochud… - Pediatric …, 2013 - Springer
Background The potential effects of ionizing radiation are of particular concern in children.
The model-based iterative reconstruction VEO TM is a technique commercialized to improve …

[HTML][HTML] Objective assessment of low contrast detectability in computed tomography with Channelized Hotelling Observer

D Racine, AH Ba, JG Ott, FO Bochud, FR Verdun - Physica Medica, 2016 - Elsevier
Purpose Iterative algorithms introduce new challenges in the field of image quality assessment.
The purpose of this study is to use a mathematical model to evaluate objectively the low …

Paediatric cardiac CT examinations: impact of the iterative reconstruction method ASIR on image quality–preliminary findings

…, F Gudinchet, E Rizzo, P Ou, F Brunelle, FO Bochud… - Pediatric …, 2011 - Springer
Background Radiation dose exposure is of particular concern in children due to the possible
harmful effects of ionizing radiation. The adaptive statistical iterative reconstruction (ASIR) …

Update on the non-prewhitening model observer in computed tomography for the assessment of the adaptive statistical and model-based iterative reconstruction …

…, P Monnin, S Schmidt, FO Bochud… - Physics in Medicine …, 2014 - iopscience.iop.org
The state of the art to describe image quality in medical imaging is to assess the performance
of an observer conducting a task of clinical interest. This can be done by using a model …

Exposure of the Swiss population by medical x-rays: 2008 review

ET Samara, A Aroua, FO Bochud, B Ott, T Theiler… - Health …, 2012 - journals.lww.com
Nationwide surveys on radiation dose to the population from medical radiology are recommended
in order to follow the trends in population exposure and ensure radiation protection. …

Automated computer evaluation and optimization of image compression of x-ray coronary angiograms for signal known exactly detection tasks

…, JL Bartroff, CK Abbey, JS Whiting, FO Bochud - Optics …, 2003 - opg.optica.org
We compared the ability of three model observers (nonprewhitening matched filter with an
eye filter, Hotelling and channelized Hotelling) in predicting the effect of JPEG and wavelet-…