Results 21 to 30 of about 922,854 (220)
Analysis on Four Derivative Waveforms of Photoplethysmogram (PPG) for Fiducial Point Detection
Frontiers in Public Health, 2022 Fiducial points of photoplethysmogram (PPG), first derivative PPG (VPG), and second derivative PPG (APG) are essential in extracting numerous parameters to diagnose cardiovascular disease.
Mohd Zubir Suboh +5 more
doaj +1 more source
Urology Research and Practice, 2019 Objective: The aim of this study was to determine whether significant fiducial marker migration occurs between the periods of prostatic marker insertion and computed tomography (CT) performed for radiotherapy planning and if a waiting period is necessary.
Taner Arpacı +5 more
doaj +1 more source
The Arab Journal of Interventional Radiology, 2019 A 41-year-old female with rectal cancer and lung metastasis underwent percutaneous transthoracic placement of fiducial marker. Postprocedure scan showed the migration of one of the fiducial markers to the left ventricle.
Duaa Alhindi +2 more
doaj +1 more source
Physics and Imaging in Radiation Oncology, 2017 Background and purpose: To optimize the selection of fiducial markers used to determine the “internal target volume for tracking” (ITVtracking) for fiducial marker-based dynamic tumor-tracking (DTT) radiotherapy for lung tumors, with four-dimensional 320-
Yusuke Iizuka +7 more
doaj +1 more source
A Skin-Conformal, Stretchable, and Breathable Fiducial Marker Patch for Surgical Navigation Systems
Micromachines, 2020 Augmented reality (AR) surgical navigation systems have attracted considerable attention as they assist medical professionals in visualizing the location of ailments within the human body that are not readily seen with the naked eye.
Sangkyu Lee +6 more
doaj +1 more source
Object tracking in augmented reality remote access laboratories without fiducial markers
, 2019 Remote Access Laboratories provide students with access to learning resources without the need to be in-situ (with the assets). The technology endows users with access to physical experiments anywhere and anytime, while also minimising or distributing ...
Smith, Mark
core +1 more source
Planar fiducial markers: a comparative study
, 2023 Fiducial markers are a cost-effective solution for solving labeling and monocular localization problems, making them valuable tools for Augmented Reality (AR), robot navigation, and 3D modeling applications.
Sergio Garrido-Jurado +7 more
core +1 more source
Prostate fiducial marker detection with the use of multi-parametric magnetic resonance imaging
Physics and Imaging in Radiation Oncology, 2017 Background and purpose: The introduction of a magnetic resonance (MR)-only workflow in radiotherapy requires that fiducial markers, used for position verification, can be detected on MR images.
Catarina Dinis Fernandes +7 more
doaj +1 more source
Comparison of CT artifacts and image recognition of various fiducial markers including two types of thinner fiducial markers for CyberKnife treatment. [PDF]
Rep Pract Oncol Radiother, 2020 AimThe aim of the study was to evaluate computed tomography (CT) artifacts and image recognition of the CyberKnife system. Regarding fiducial markers, VISICOIL of 0.5mm×5.0mm and 0.75mm×5.0mm, ball-shaped Gold Anchor (GA) of 0.28mm×10mm and 0.28mm×20mm ...
Suzuki T +10 more
europepmc +2 more sources
A fast fiducial marker tracking model for fully automatic alignment in electron tomography [PDF]
, 2018 Automatic alignment, especially fiducial marker-based alignment, has become increasingly important due to the high demand of subtomogram averaging and the rapid development of large-field electron microscopy.
Zhang, Fa, Gao, Xin, Han, Renmin
core +1 more source