Source-detector trajectory optimization in cone-beam computed tomography: a comprehensive review on today's state-of-the-art

S Hatamikia, A Biguri, G Herl, G Kronreif… - Physics in Medicine …, 2022 - iopscience.iop.org
Cone-beam computed tomography (CBCT) imaging is becoming increasingly important for a
wide range of applications such as image-guided surgery, image-guided radiation therapy …

Epipolar consistency in transmission imaging

A Aichert, M Berger, J Wang, N Maass… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
This paper presents the derivation of the Epipolar Consistency Conditions (ECC) between
two X-ray images from the Beer-Lambert law of X-ray attenuation and the Epipolar Geometry …

Marker‐free motion correction in weight‐bearing cone‐beam CT of the knee joint

M Berger, K Müller, A Aichert, M Unberath… - Medical …, 2016 - Wiley Online Library
Purpose: To allow for a purely image‐based motion estimation and compensation in weight‐
bearing cone‐beam computed tomography of the knee joint. Methods: Weight‐bearing …

Gradient-based geometry learning for fan-beam CT reconstruction

M Thies, F Wagner, N Maul, L Folle… - Physics in Medicine …, 2023 - iopscience.iop.org
Objective. Incorporating computed tomography (CT) reconstruction operators into
differentiable pipelines has proven beneficial in many applications. Such approaches …

Fiducial marker‐based correction for involuntary motion in weight‐bearing C‐arm CT scanning of knees. II. Experiment

JH Choi, A Maier, A Keil, S Pal, EJ McWalter… - Medical …, 2014 - Wiley Online Library
Purpose: AC‐arm CT system has been shown to be capable of scanning a single cadaver
leg under loaded conditions by virtue of its highly flexible acquisition trajectories. In Part I of …

Fiducial marker‐based correction for involuntary motion in weight‐bearing C‐arm CT scanning of knees. Part I. Numerical model‐based optimization

JH Choi, R Fahrig, A Keil, TF Besier, S Pal… - Medical …, 2013 - Wiley Online Library
Purpose: Human subjects in standing positions are apt to show much more involuntary
motion than in supine positions. The authors aimed to simulate a complicated realistic lower …

Pushing the limits for medical image reconstruction on recent standard multicore processors

J Treibig, G Hager, HG Hofmann… - … journal of high …, 2013 - journals.sagepub.com
Volume reconstruction by backprojection is the computational bottleneck in many
interventional clinical computed tomography (CT) applications. Today vendors in this field …

Comparison of different approaches for measuring tibial cartilage thickness

J Maier, M Black, S Bonaretti, B Bier… - Journal of integrative …, 2017 - degruyter.com
Osteoarthritis is a degenerative disease affecting bones and cartilage especially in the
human knee. In this context, cartilage thickness is an indicator for knee cartilage health …

Dynamic detector offsets for field of view extension in C‐arm computed tomography with application to weight‐bearing imaging

M Herbst, F Schebesch, M Berger, JH Choi… - Medical …, 2015 - Wiley Online Library
Purpose: In C‐arm computed tomography (CT), the field of view (FOV) is often not sufficient
to acquire certain anatomical structures, eg, a full hip or thorax. Proposed methods to extend …

[HTML][HTML] Range imaging for motion compensation in C-arm cone-beam CT of knees under weight-bearing conditions

B Bier, N Ravikumar, M Unberath, M Levenston… - Journal of …, 2018 - mdpi.com
C-arm cone-beam computed tomography (CBCT) has been used recently to acquire images
of the human knee joint under weight-bearing conditions to assess knee joint health under …