CAD techniques, challenges, andcontroversies in computed tomographic colonography

H Yoshida, AH Dachman - Abdominal Imaging, 2004 - Springer
Computer-aided diagnosis (CAD) for computed tomographic colonography (CTC)
automatically detects the locations of suspicious polyps and masses on CTC and provides …

Application of the noise power spectrum in modern diagnostic MDCT: part II. Noise power spectra and signal to noise

KL Boedeker, MF McNitt-Gray - Physics in Medicine & Biology, 2007 - iopscience.iop.org
Balancing dose and image quality requires signal-to-noise (SNR) metrics which incorporate
both the variance and the spatial frequency characteristics of noise. In this study, the non …

Performance of a previously validated CT colonography computer-aided detection system in a new patient population

RM Summers, LR Handwerker… - American Journal of …, 2008 - Am Roentgen Ray Soc
OBJECTIVE. A computer-aided detection (CAD) system with high sensitivity in the detection
of adenomatous polyps in varied CT colonography (CTC) data sets increases the utility of …

Colon polyp detection using smoothed shape operators: preliminary results

P Sundaram, A Zomorodian, C Beaulieu, S Napel - Medical Image Analysis, 2008 - Elsevier
Computer-aided detection (CAD) algorithms identify locations in computed tomographic
(CT) images of the colon that are most likely to contain polyps. Existing CAD methods treat …

Effects of Spatial Resolution and Tube Current on Computer-aided Detection of Polyps on CT Colonographic Images: Phantom Study1

SH Kim, JM Lee, CI Shin, HC Kim, JG Lee, JH Kim… - Radiology, 2008 - pubs.rsna.org
Purpose: To prospectively evaluate the effects of z-axis spatial resolution and tube current
on the sensitivity of a commercially available computed tomographic (CT) colonography …

Development of a synthetic phantom for the selection of optimal scanning parameters in CAD–CT colonography

TA Chowdhury, PF Whelan, O Ghita, N Sezille… - Medical engineering & …, 2007 - Elsevier
The aim of this paper is to present the development of a synthetic phantom that can be used
for the selection of optimal scanning parameters in computed tomography (CT) …

Radiation Risk Management in Low Dose MDCT Screening Programs: Dose Reduction in Screening Programs: Colon Cancer Screening

J Stoker, HW Venema, RE van Gelder - Radiation dose from adult and …, 2007 - Springer
In Western countries colorectal cancer is one of the leading causes of cancer-related
mortality. In the European Union in 2002, 142,505 individuals died of this disease and in the …

Effect of mixing scanner types and reconstruction kernels on the characterization of lung parenchymal pathologies: emphysema, interstitial pulmonary fibrosis and …

Y Xu, EJR van Beek, G McLennan… - … , and Structure from …, 2006 - spiedigitallibrary.org
In this study we utilize our texture characterization software (3-D AMFM) to characterize
interstitial lung diseases (including emphysema) based on MDCT generated volumetric data …

[PDF][PDF] Evaluation of factors that affect contrast-detail in digital X-Ray and computed tomography

H Alsleem - 2014 - core.ac.uk
The low contrast-detail (LCD) of CT images is currently evaluated by two approaches:
objective and subjective. The objective approach of the LCD evaluation method is based on …

Application of CT acquisition parameters as features in computer-aided detection for CT colonography

JJ Näppi, D Rockey, D Regge, H Yoshida - … Imaging. Computational and …, 2012 - Springer
Studies have indicated that the acquisition parameters of computed tomography (CT) scans
can have significant effect on the accuracy of computer-aided detection (CAD) in CT …