C-arm pose estimation using intensity-based registration of imaging modalities

P Fallavollita, G Fichtinger, P Abolmaesumi… - US Patent …, 2016 - Google Patents
This invention provides a method for estimating C-arm fluo roscope pose. The method
involves introducing a coordinate system into a C-arm image, and applying intensity-based …

Robust automatic rigid registration of MRI and X‐ray using external fiducial markers for XFM‐guided interventional procedures

AK George, M Sonmez, RJ Lederman… - Medical …, 2011 - Wiley Online Library
Purpose: InX‐ray fused with MRI, previously gathered roadmap MRI volume images are
overlaid on live X‐ray fluoroscopy images to help guide the clinician during an interventional …

BrachyView: Combining LDR seed positions with transrectal ultrasound imaging in a prostate gel phantom

S Alnaghy, DL Cutajar, JA Bucci, K Enari… - Physica Medica, 2017 - Elsevier
Purpose BrachyView is a novel in-body imaging system which aims to provide LDR
brachytherapy seeds position reconstruction within the prostate in real-time. The first …

REDMAPS: reduced-dimensionality matching for prostate brachytherapy seed reconstruction

J Lee, C Labat, AK Jain, DY Song… - IEEE transactions on …, 2010 - ieeexplore.ieee.org
The success of prostate brachytherapy critically depends on delivering adequate dose to the
prostate gland. Intraoperative localization of the implanted seeds provides potential for dose …

Ultrasound–fluoroscopy registration for prostate brachytherapy dosimetry

E Dehghan, J Lee, P Fallavollita, N Kuo, A Deguet… - Medical image …, 2012 - Elsevier
Prostate brachytherapy is a treatment for prostate cancer using radioactive seeds that are
permanently implanted in the prostate. The treatment success depends on adequate …

Intraoperative 3D reconstruction of prostate brachytherapy implants with automatic pose correction

J Lee, N Kuo, A Deguet, E Dehghan… - Physics in Medicine …, 2011 - iopscience.iop.org
The success of prostate brachytherapy critically depends on delivering adequate dose to the
prostate gland, and the capability of intraoperatively localizing implanted seeds provides …

Registration between ultrasound and fluoroscopy or CT in prostate brachytherapy

P Fallavollita, Z Karim Aghaloo, EC Burdette… - Medical …, 2010 - Wiley Online Library
Purpose In prostate brachytherapy, transrectal ultrasound (TRUS) is used to visualize the
anatomy, while implanted seeds can be visualized by fluoroscopy. Intraoperative dosimetry …

Automatic segmentation of radiographic fiducial and seeds from X-ray images in prostate brachytherapy

N Kuo, A Deguet, DY Song, EC Burdette… - Medical engineering & …, 2012 - Elsevier
Prostate brachytherapy guided by transrectal ultrasound is a common treatment option for
early stage prostate cancer. Prostate cancer accounts for 28% of cancer cases and 11% of …

C-arm rotation encoding with accelerometers

V Grzeda, G Fichtinger - … journal of computer assisted radiology and …, 2010 - Springer
Purpose Fluoroscopic C-arms are being incorporated in computer-assisted interventions in
increasing number. For these applications to work, the relative poses of imaging must be …

Brachytherapy seed reconstruction with joint-encoded C-arm single-axis rotation and motion compensation

E Dehghan, AK Jain, M Moradi, X Wen, WJ Morris… - Medical image …, 2011 - Elsevier
C-arm fluoroscopy images are frequently used for qualitative assessment of prostate
brachytherapy. Three-dimensional seed reconstruction from C-arm images is necessary for …