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Toward optical coherence tomography angiography-based biomarkers to assess the safety of peripheral nerve electrostimulation
2019
Journal of Neural Engineering
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The present study aims to develop an optical imaging-based approach for real-time assessment of peripheral nerve injury associated with electrical stimulation. ...
To support rapid advancement in the field, novel approaches to predict and prevent nerve injury resulting from electrical stimulation must be developed to overcome the limitations of traditional histological ...
This research was carried out in the Division of Biomedical Physics, Office of Science and Engineering Laboratories, Center for Devices and Radiological Health, U.S. ...
doi:10.1088/1741-2552/ab1405
pmid:30917357
pmcid:PMC6583899
fatcat:7gsxvtwndrdcvjzdpvielx5r34
Automatic and efficient contrast-based 2-D/3-D fusion for trans-catheter aortic valve implantation (TAVI)
2013
Computerized Medical Imaging and Graphics
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A hybrid method is then applied for contrast-based 2-D/3-D registration between the 3-D model and the detected angiographic frame. ...
In this paper, a fully automatic and efficient system for contrast-based 2-D/3-D fusion for TAVI is presented. ...
Alois Nöttling from Siemens AX Germany for providing the data in this study. ...
doi:10.1016/j.compmedimag.2013.01.008
pmid:23428830
fatcat:aiukwbbdjrbffnwjy3hbabgfdi
Reconstruction techniques for cardiac cine MRI
2019
Insights into Imaging
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Thus, this paper aims to provide a general vision about cine MRI as the standard procedure in functional evaluation of the heart, focusing on technical methodologies. ...
Additionally, clinical relevance, main challenges, and future trends of this image modality are outlined. ...
transform; LGE: Late gadolinium enhancement; LLR: Locally low rank; MC: Motion compensation; MC-CS: Motion compensated CS; ME: Motion estimation; ME-MC: Motion estimation and compensation; MOCCO: Model ...
doi:10.1186/s13244-019-0754-2
pmid:31549235
pmcid:PMC6757088
fatcat:s5574wj5pjadhbq5rah7k3h6lu
Compressed sensing for body MRI
2016
Journal of Magnetic Resonance Imaging
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coverage, and sensitivity to respiratory motion. ...
This paper presents a brief overview of the application of compressed sensing techniques in body MRI, where imaging speed is crucial due to the presence of respiratory motion along with stringent constraints ...
Comparison of GRASP without motion compensation to XD-GRASP with reconstruction of an extra respiratory motion for three image slices. ...
doi:10.1002/jmri.25547
pmid:27981664
pmcid:PMC5352490
fatcat:ulfop3kccrg4tdpqsybotylccy
SU-FF-I-79: Java-Based Plugin for Tomographic Reconstruction for SPECT Data
2006
Medical Physics (Lancaster)
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True alignment of planning and on-board image data was achieved according to a 3D point-based registration of the 6 reference BBs in the CT and CBCT images. ...
Single-axis rotations up to +/-10 o and 3-axis translations up to +/-10 mm were simulated in the planning CT, prior to the generation of reference DTS images. ...
Further investigations will focus on determining the optimal compensation scheme for patient and task specific CBCT imaging. ...
doi:10.1118/1.2240759
fatcat:5we2nvgwx5hrxcv2ngufce6obq
Cardiac and Thoracic-Abdominal Surgery
2006
International Journal of Computer Assisted Radiology and Surgery
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The AESOP 3000DS Endoscope Positioner is used for the experiments and the dynamic model of the robot is found using a series-parallel model for system identification. ...
Abstract A control algorithm is developed to synchronize a robotic surgical system with a moving heart to facilitate beating heart surgery The algorithm is based on model reference control, where feedforward ...
In the case of respiratory motion, where the subject moves cyclically, t can be replaced by respiratory phase parameter /. ...
doi:10.1007/s11548-006-0021-0
fatcat:7girlkxijner7ay3zih4jrzugq
TU-B-I-617-01: High Field MRI - Technology, Applications, Safety, and Limitations
2005
Medical Physics (Lancaster)
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SU-FF-J-50
SU-FF-J-51 Auto-Regressive-Moving-Average Modeling of Respiratory Motion in Radiation Therapy M Luo*, W Zheng, R Jeraj, S Fain, Univ of Wisconsin-Madison, Madison, WI Purpose: To construct ...
Conclusion: A prospective modeling and prediction method has been demonstrated for respiratory motion compensation in radiation therapy without prolonged treatment time. ...
and to measure respiratory motion. ...
doi:10.1118/1.1999700
fatcat:yub56igoe5cl3cthdpzwrdvjp4
SU-EE-A3-06: An Efficient Algorithm for Image-Based Dose Deformation and Accumulation
2005
Medical Physics (Lancaster)
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SU-FF-J-50
SU-FF-J-51 Auto-Regressive-Moving-Average Modeling of Respiratory Motion in Radiation Therapy M Luo*, W Zheng, R Jeraj, S Fain, Univ of Wisconsin-Madison, Madison, WI Purpose: To construct ...
Conclusion: A prospective modeling and prediction method has been demonstrated for respiratory motion compensation in radiation therapy without prolonged treatment time. ...
and to measure respiratory motion. ...
doi:10.1118/1.1997464
fatcat:zue2hfmc5ze6ziwu332w3u2lue
TU-EE-A3-05: Scatter Radiation in Digital Tomosynthesis
2005
Medical Physics (Lancaster)
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SU-FF-J-50
SU-FF-J-51 Auto-Regressive-Moving-Average Modeling of Respiratory Motion in Radiation Therapy M Luo*, W Zheng, R Jeraj, S Fain, Univ of Wisconsin-Madison, Madison, WI Purpose: To construct ...
Conclusion: A prospective modeling and prediction method has been demonstrated for respiratory motion compensation in radiation therapy without prolonged treatment time. ...
and to measure respiratory motion. ...
doi:10.1118/1.1998434
fatcat:jnqebvqstnhixdmecqmh35gfbi
A review of 3D first-pass, whole-heart, myocardial perfusion cardiovascular magnetic resonance
2015
Journal of Cardiovascular Magnetic Resonance
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A comprehensive review is undertaken of the methods available for 3D whole-heart first-pass perfusion (FPP) and their application to date, with particular focus on possible acceleration techniques. ...
Following a summary of the parameters typically desired of 3D FPP methods, the review explains the mechanisms of key acceleration techniques and their potential use in FPP for attaining 3D acquisitions ...
data whilst prospectively compensating for the respiratory motion. ...
doi:10.1186/s12968-015-0162-9
pmid:26231784
pmcid:PMC4522116
fatcat:46jfox2n4bgvvgzcwenlsn5iou
A combined local and global motion estimation and compensation method for cardiac CT
2014
Medical Imaging 2014: Physics of Medical Imaging
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The proposed SMEIR algorithm consists of two alternating steps: 1) model-based image reconstruction to obtain motion-compensated primary CBCT (m-pCBCT) and 2) motion model estimation through an unconstraint ...
Respiratory induced cardiac motion was simulated by imaging a cardiac phantom whilst moving it using a respiratory motion motor. ...
2 cm) in tens of minutes yielding images containing millions of spectra. Spectra are then automatically classified as one of seven cell-types in prostate tissue in a matter of seconds. ...
doi:10.1117/12.2043492
fatcat:fyzpc5m6jbh7fjohqpdmtzkhte
Single Photon Emission Computed Tomography (SPECT) Myocardial Perfusion Imaging Guidelines: Instrumentation, Acquisition, Processing, and Interpretation
2018
Journal of Nuclear Cardiology
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As such, when considering optimization of the CT exposure, it is more appropriate to focus on a measure that is obtained directly from the CT acquisition system. ...
respiratory-motion averaging, depending on the CT subsystem. ...
doi:10.1007/s12350-018-1283-y
pmid:29802599
fatcat:tn6gmv6j3vdzhl2dhs22mxqhc4
Sci-Fri PM: Planning-07: A low diffusion radiochromic gel dosimeter for three-dimensional radiation dosimetry
2008
Medical Physics (Lancaster)
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We have shown that in the ideal case of identical motion in each cycle we can accurately measure the 4D trajectory. ...
A physically-based parameter fluence model was developed by matching multi-leaf collimator defined predicted images to measured image profiles. ...
We have developed algorithms capable of auto-contouring and tracking the motion of tumours in pseudo real-time from 4D MR image sets acquired 4 times per second. ...
doi:10.1118/1.2965979
pmid:28512904
fatcat:sjyi6dusdfcnpkcouokve7itdq
CARS 2020—Computer Assisted Radiology and Surgery Proceedings of the 34th International Congress and Exhibition, Munich, Germany, June 23–27, 2020
2020
International Journal of Computer Assisted Radiology and Surgery
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in no order of preference): Int J CARS (2020) 15 (Suppl 1):S1-S214 ...
Aiming to stimulate complimentary thoughts and actions on what is being presented at CARS, implies a number of enabling variables for optimal analogue scholarly communication, such as (examples given are ...
Measurement of the catheter contact force is also neccessary as well as the guidewire contact force. ...
doi:10.1007/s11548-020-02171-6
pmid:32514840
fatcat:lyhdb2zfpjcqbf4mmbunddwroq
Track I
2014
Biomedical Engineering
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The assessment of the cellularity in bone marrow is an essential step in diagnostic processes in pathology. ...
We show that a properly designed and trained ESN is able to discriminate early and late granulopoietic cells in histopathological images of the human bone marrow with overall mean accuracy (±SD) of 0.846 ...
of Northrhine-Westfalia, Germany for the funding of this work in the Med in.NRW program (grant no. 005-GW01-78A). ...
doi:10.1515/bmt-2014-5008
pmid:25385893
fatcat:4o7vqkhdmfgk5fjzqpeh74x5te
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