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CARS 2021: Computer Assisted Radiology and Surgery Proceedings of the 35th International Congress and Exhibition Munich, Germany, June 21–25, 2021

2021 International Journal of Computer Assisted Radiology and Surgery  
References Methods Prior to the partial convolution concept introduced in [1], the inpainting algorithm based on standard convolution usually initialize the holes with some constant placeholder value  ...  For the 3D reconstruction module, a reconstruction pipeline based on the marching cubes algorithm [2] is designed.  ... 
doi:10.1007/s11548-021-02375-4 pmid:34085172 fatcat:6d564hsv2fbybkhw4wvc7uuxcy

CARS 2016—Computer Assisted Radiology and Surgery Proceedings of the 30th International Congress and Exhibition Heidelberg, Germany, June 21–25, 2016

2016 International Journal of Computer Assisted Radiology and Surgery  
We would like to thank the Spanish company BQ for the donation of the 3D printing hardware for clinical use.  ...  '', and Amazon Inc., for providing valuable computing resources through an ''AWS in Education Research'' grant.  ...  Ten cases eligible for elective partial nephrectomy were retrospectively selected. High-fidelity models were 3D printed in multiple colors based on T1 images ( Fig. 1 ).  ... 
doi:10.1007/s11548-016-1412-5 pmid:27206418 fatcat:uk5r46n2xvhedkfjzmeiweyneq

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
One of these technologies takes advantage of the acoustic radiation forces associated with ultrasound standing wave fields to spatially pattern cells within collagen-based hydrogels.  ...  Recent advances in the field of tissue engineering include the engineering of skin, cartilage, and bladder, all of which are relatively thin tissues that can rely on diffusion for the delivery of oxygen  ...  The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015.  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i

TU-B-I-617-01: High Field MRI - Technology, Applications, Safety, and Limitations

RJ Stafford
2005 Medical Physics (Lancaster)  
The purpose of this study was to design and test a freehand 3D image processing and visualization software package, Ultra3D, to work with an existing ultrasound unit that lacks 3D capability.  ...  Method and Materials: The 3D reconstruction algorithm for x-ray film was based on the semi-orthogonal method and the registration software developed in IDL 5.5.  ...  TH-C-I-609-06 Freehand Scan Ultrasound Reconstruction Based On Optimal 3D Grid Selection and Anisotropic Diffusion Interpolation Y Yu*, J Molloy, University of Virginia, Charlottesville, VA, Univ Virginia  ... 
doi:10.1118/1.1999700 fatcat:yub56igoe5cl3cthdpzwrdvjp4

SU-EE-A3-06: An Efficient Algorithm for Image-Based Dose Deformation and Accumulation

M Kaus, V Pekar, T McNutt, K Bzdusek
2005 Medical Physics (Lancaster)  
The purpose of this study was to design and test a freehand 3D image processing and visualization software package, Ultra3D, to work with an existing ultrasound unit that lacks 3D capability.  ...  Method and Materials: The 3D reconstruction algorithm for x-ray film was based on the semi-orthogonal method and the registration software developed in IDL 5.5.  ...  TH-C-I-609-06 Freehand Scan Ultrasound Reconstruction Based On Optimal 3D Grid Selection and Anisotropic Diffusion Interpolation Y Yu*, J Molloy, University of Virginia, Charlottesville, VA, Univ Virginia  ... 
doi:10.1118/1.1997464 fatcat:zue2hfmc5ze6ziwu332w3u2lue

TU-EE-A3-05: Scatter Radiation in Digital Tomosynthesis

B Liu, S Glick, X Gong
2005 Medical Physics (Lancaster)  
The purpose of this study was to design and test a freehand 3D image processing and visualization software package, Ultra3D, to work with an existing ultrasound unit that lacks 3D capability.  ...  Method and Materials: The 3D reconstruction algorithm for x-ray film was based on the semi-orthogonal method and the registration software developed in IDL 5.5.  ...  TH-C-I-609-06 Freehand Scan Ultrasound Reconstruction Based On Optimal 3D Grid Selection and Anisotropic Diffusion Interpolation Y Yu*, J Molloy, University of Virginia, Charlottesville, VA, Univ Virginia  ... 
doi:10.1118/1.1998434 fatcat:jnqebvqstnhixdmecqmh35gfbi

Proceedings of the World Molecular Imaging Congress 2021, October 5-8, 2021: General Abstracts

2022 Molecular Imaging and Biology  
An efficient rapidly converging deconvolution algorithm with a novel resolution subsets-based approach RSEMD for improving the quantitative accuracy of previously reconstructed clinical MRI images by commercial  ...  Conclusions: An efficient, iterative deconvolution algorithm with a novel resolution subsets-based approach that operates on patient DICOM images has been used for quantitative improvement in MRI clinical  ...  Using serial image-based ROI data from 4-48h p.i., prospective Lu-177 dosimetry was estimated assuming complete local absorption of β particles only.  ... 
doi:10.1007/s11307-021-01693-y pmid:34982365 pmcid:PMC8725635 fatcat:4sfb3isoyfdhfbiwxfr55gvqym

KSSS 2020 The International Congress of Korean Society of Spine Surgery

2020 Journal of Korean Society of Spine Surgery  
Moreover, we trained two deep convolution neural networks using each grading label made by the two experts, and then measured the agreement between the labels and the prediction results by the convolution  ...  neural networks.  ...  MIMICS Base v18.0 software was used for 3D reconstruction from CT images. 3Matic software was used to create a drill guide.  ... 
doi:10.4184/jkss.2020.27.s1.s1 fatcat:rzbtv5kwmncx5k43bqamfe37oa

3D shape instantiation for intra-operative navigation from a single 2D projection

Xiaoyun Zhou, Guang-Zhong Yang, Su-Lin Lee, Engineering And Physical Sciences Research Council
2020
To achieve a complete and automatic 3D shape instantiation pipeline, segmentation schemes based on deep learning are also investigated.  ...  These include normalization schemes for training U-Nets and network architecture design of Atrous Convolutional Neural Networks (ACNNs).  ...  3D reconstruction, 3D volumes can be scanned with MRI, CT or ultrasound.  ... 
doi:10.25560/80269 fatcat:ffbmi5hkljaxxnqdq5r6nm34d4

Scientific Exhibits

2014 Journal of Medical Radiation Sciences  
MRI should be used for planning purposes as the gel is not well visualised on CT.  ...  Excluded studies included those for trauma, renal calculi and angiography. Patients continued to have oral contrast at the discretion of the radiologist for subjectively low body mass index.  ...  Speed of Sound (SOS) and broadband ultrasound attenuation (BUA) were measured on both feet using a calcaneal ultrasound densitometer. The stiffness index (SI) is derived from BUA and SOS.  ... 
doi:10.1002/jmrs.74 pmid:27759942 pmcid:PMC4263487 fatcat:ccsk62gef5g47bfugrvtwqapj4

Computer-Assisted Analysis of Biomedical Images [article]

Leonardo Rundo
2021 arXiv   pre-print
In this regard, frameworks based on advanced Machine Learning and Computational Intelligence can significantly improve traditional Image Processing and Pattern Recognition approaches.  ...  As a matter of fact, the proposed computer-assisted bioimage analysis methods can be beneficial for the definition of imaging biomarkers, as well as for quantitative medicine and biology.  ...  This problem has been solved by applying a hole filling algorithm, based on morphological reconstruction [28] .  ... 
arXiv:2106.04381v1 fatcat:osqiyd3sbja3zgrby7bf4eljfm

Computational Methods for Image Acquisition and Analysis with Applications in Optical Coherence Tomography

Fangliang Bai
2021
We further proposed a convolutional neural network model, LSHR-Net, as the first deep-learning imaging solution for the single-pixel camera.  ...  Based on the meta-learning concept, a second model was designed to be a solution for general medical image segmentation.  ...  The network was trained based on a joint of crossentropy loss and Dice index loss, which took into account the overlap between the predicted segmentation and ground-truth annotation during the training  ... 
doi:10.22024/unikent/01.02.89414 fatcat:ffplclehqbd6jirskxhgfvn6a4

Automated lumbar vertebral level identification using ultrasound

Jorden Hicklin Hetherington
2018
The full abstract for this thesis is available in the body of the thesis, and will be available when the embargo expires.  ...  Thank you to all of my friends inside and outside of academia for all of the good that you bring xvii Glossary 1D one-dimensional 2D two-dimensional 3D three-dimensional BMI body mass index  ...  in 3D US data using a hough forest on the learned features for classification [43, 44] .  ... 
doi:10.14288/1.0355299 fatcat:mzynargplrhhjnn4txmnrukyxm

Analysis of carotid wall mechanics based on ultrasound imaging

Zhongjie Wang, Xiao Yun Xu
2015
Based on the processed ultrasound images, finite element models of carotid arteries are constructed and biomechanical analyses of varying degrees of complexity are carried out.  ...  In Chapter 4, the carotid artery is assumed as an elastic material, and comparisons are made between 2-D and 3-D models based on idealised geometry.  ...  Motorized (mechanical) 3D ultrasound: A motor is used to control the motion of a conventional ultrasound probe by tilting (Figure 3-1 Freehand 3D ultrasound: Due to its flexibility, freehand 3D ultrasound  ... 
doi:10.25560/26592 fatcat:pejocdrqxjdsnhgkelt6kenncq

Computer-support for intracranial aneurysms [article]

Sylvia Saalfeld, Universitäts- Und Landesbibliothek Sachsen-Anhalt, Martin-Luther Universität, Bernhard Preim
2020
To determine the intracranial aneurysm rupture risk is an active research area, including computer support for the segmentation and subsequent extraction of 3D morphological shape information, paving the  ...  way for realistic hemodynamic blood flow simulations as well as the evaluation of the available information.  ...  Acknowledgment This work was partially funded by the German Federal Ministry for Economic Affairs and Energy (grant number 'ZF4028201BZ5') and the German Federal Ministry of Education and Research within  ... 
doi:10.25673/35206 fatcat:excf6slbfbhrfdj6kyyjgeytve
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