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Evaluation of Local Filter Approaches for Diffusion Tensor-Based Fiber Tracking [chapter]

D. Merhof, M. Buchfelder, C. Nimsky
2011 Bildverarbeitung für die Medizin 2011  
In order to reconstruct white matter tracts from DTI data, fib er tracking approaches are used which are commonly based on streamline propagation techniques.  ...  The results provide a more differentiated view on the prospects and limitations of local regularization filters.  ...  For this purpose, a t hreshold based on fractional anisotropy (FA) [1 , 2J is commonly applied to stop fiber propagation if t he anisotropy of diffusion decreases .  ... 
doi:10.1007/978-3-642-19335-4_73 dblp:conf/bildmed/MerhofBN11 fatcat:ieaxyhiqbvh5dagr5s6su6tphi

Fiber Tracking from DTI Using Linear State Space Models: Detectability of the Pyramidal Tract

C. Gössl, L. Fahrmeir, B. Pütz, L.M. Auer, D.P. Auer
2002 NeuroImage  
Based on specific acquisition schemes, diffusion tensor data resemble local fiber orientations allowing for a reconstruction of the fiber bundles.  ...  Most methods are based only on local diffusion information, often resulting in bending or kinking fiber paths in voxels with reduced diffusion properties.  ...  The authors thank Daniel Boos for his skillful assistance in software development and visualization.  ... 
doi:10.1006/nimg.2002.1055 pmid:12030823 fatcat:lbkfep7pkzbiflmzpfx45uvrry

4D wavelet noise suppression of MR diffusion tensor data

Hesamoddin Jahanian, Azadeh Yazdan-Shahmorad, Hamid Soltanian-Zadeh
2008 Proceedings of the IEEE International Conference on Acoustics, Speech and Signal Processing  
Diffusion tensor imaging (DTI) is known to be promising for providing anatomical information about white-matter fiber bundles that cannot be obtained by other non-invasive in vivo imaging methods.  ...  To improve the accuracy of tissue structural and architectural characterization with diffusion tensor imaging 4D wavelet denoising technique is used to improve the signal to noise ratio (SNR) of diffusion  ...  A conventional fiber-tracking algorithm is based on the Fiber Assignment by Continuous Tracking (FACT) approach, by which tracking is performed using a continuous coordinate system rather than a discrete  ... 
doi:10.1109/icassp.2008.4517658 dblp:conf/icassp/JahanianYS08 fatcat:thn7jdzmlngmnpyvabcfc7ni64

Reconstruction of White Matter Tracts via Repeated Deterministic Streamline Tracking – Initial Experience

Miriam H. A. Bauer, Daniela Kuhnt, Sebastiano Barbieri, Jan Klein, Andreas Becker, Bernd Freisleben, Horst K. Hahn, Christopher Nimsky, Jean-Claude Baron
2013 PLoS ONE  
Diffusion Tensor Imaging (DTI) and fiber tractography are established methods to reconstruct major white matter tracts in the human brain in-vivo.  ...  noise in comparison to the deterministic fiber tracking procedure using the two-ROI approach with average DSCs of 65.08%65.31%, 64.73%66.02% and 65.91%66.42%.  ...  Bartsch, PhD (Dept. of Neurosurgery, Marburg), for proofreading of the manuscript. Author Contributions  ... 
doi:10.1371/journal.pone.0063082 pmid:23671656 pmcid:PMC3646033 fatcat:glzd5zt4pvdgljxx4eugz3omsm

Enhanced DTI Tracking with Adaptive Tensor Interpolation [chapter]

Alessandro Crippa, Andrei C. Jalba, Jos B. T. M. Roerdink
2012 Mathematics and Visualization  
The tracking then continues along the main eigenvector of the reconstructed tensors.  ...  on bilateral filtering, and (iv) streamline tracking using moving least square regularisation.  ...  after an interpolation based on bilateral filtering of tensors (see the Appendix) and (iv) streamline tracking using moving least square regularisation.  ... 
doi:10.1007/978-3-642-21608-4_10 fatcat:4e2r4bap5zfljlujsxzi47ipka

Diffusion MRI Tractography of Crossing Fibers by Cone-Beam ODF Regularization [chapter]

Hans-Heino Ehricke, Kay M. Otto, Vinoid Kumar, Uwe Klose
2009 Lecture Notes in Computer Science  
In this paper we present a novel regularization approach for q-ball fields, exploiting structural information within the data.  ...  However, even highly sophisticated fiber tracking schemes, such as probabilistic tracking, suffer from the data's poor signal-to-noise (SNR) ratio.  ...  Acknowledgements We would like to thank Jennifer Campbell of the McConnell Brain Imaging Center, Montreal Neurological Institute, McGill University, for providing the phantom data, we used in our experiments  ... 
doi:10.1007/978-3-642-03798-6_42 fatcat:jro4d4aenrcnpcma4unkpk4bay

Probabilistic white matter fiber tracking using particle filtering and von Mises–Fisher sampling

Fan Zhang, Edwin R. Hancock, Casey Goodlett, Guido Gerig
2009 Medical Image Analysis  
Global fiber tracking is then posed as a problem of particle filtering. To model the posterior distribution, we classify voxels of the white matter as either prolate or oblate tensors.  ...  In this paper we provide an advanced technique by presenting a fast and novel probabilistic method for white matter fiber tracking in diffusion weighted MRI (DWI), which takes advantage of the weighting  ...  Particle Filtering for Fiber tracking Particle filtering was originally investigated for probabilistic fiber tracking by Brun et al. (2002) and Bjornemo et al. (2002) .  ... 
doi:10.1016/ pmid:18602332 pmcid:PMC2771420 fatcat:lvluw7e22jbmhc5zkrswjvqk6m

Estimating Constrained Multi-fiber Diffusion MR Volumes by Orientation Clustering [chapter]

Ryan P. Cabeen, Mark E. Bastin, David H. Laidlaw
2013 Lecture Notes in Computer Science  
We evaluate this approach with two experiments. First, we show it is effective for filtering in the presence of synthetic noise.  ...  Our approach is applied to ball-and-stick diffusion models, which include an isotropic tensor and multiple sticks encoding fiber volume and orientation.  ...  Our contribution is the presentation and evaluation of an approach for filtering, interpolating, and averaging ball-and-stick fiber models, a multi-compartment water diffusion model that has relatively  ... 
doi:10.1007/978-3-642-40811-3_11 fatcat:2beif5cdr5g3dbmnfepdney2d4

Regularization of bending and crossing white matter fibers in MRI Q-ball fields

Hans-H. Ehricke, Kay-M. Otto, Uwe Klose
2011 Magnetic Resonance Imaging  
The approach is evaluated quantitatively and compared with state-of-the-art noise-supression techniques in a study with a biological diffusion phantom.  ...  We also propose a deterministic fiber-tracking algorithm that exploits the enhanced resolution of asymmetric ODFs.  ...  We also would like to thank Vinod Kumar of the University Hospital Tübingen, Section of Magnetic Resonance in the CNS, for making the in-vivo data available.  ... 
doi:10.1016/j.mri.2011.05.002 pmid:21705163 fatcat:t3mzgodklbfdxh4x5dpaojprpq

Fiber visualization for preoperative glioma assessment: Tractography versus local connectivity mapping

Thomas Schult, Till-Karsten Hauser, Uwe Klose, Helene Hurth, Hans-Heino Ehricke, Pew-Thian Yap
2019 PLoS ONE  
Our results suggest that methods beyond fiber tractography, which visualize local connectedness rather than global connectivity, should be evaluated further for pre-surgical assessment of fiber affection  ...  In the framework of a clinical study of glioma patients, we compare two different whole-brain tracking methods to a local connectivity mapping approach which has recently shown promising results in an  ...  In pre-surgical diffusion MRI, most clinical studies have been dedicated to the evaluation of all kinds of tractography approaches, e.g., DTI-based tractography with a single-tensor model, HARDI-based  ... 
doi:10.1371/journal.pone.0226153 pmid:31830068 pmcid:PMC6907809 fatcat:gc2nhotbn5cbvf7mnmp2jqyybm

Reconstruction of the arcuate fasciculus for surgical planning in the setting of peritumoral edema using two-tensor unscented Kalman filter tractography

Zhenrui Chen, Yanmei Tie, Olutayo Olubiyi, Laura Rigolo, Alireza Mehrtash, Isaiah Norton, Ofer Pasternak, Yogesh Rathi, Alexandra J. Golby, Lauren J. O'Donnell
2015 NeuroImage: Clinical  
Fiber tractography was performed using both single-tensor streamline and two-tensor UKF tractography. A tworegions-of-interest approach was applied to perform the delineation of the AF.  ...  The aim of this study was to present a novel technique using a two-tensor unscented Kalman filter (UKF) algorithm to track the arcuate fasciculus (AF) in brain tumor patients with peritumoral edema.  ...  Acknowledgments This study is supported by National Institutes of Health  ... 
doi:10.1016/j.nicl.2015.03.009 pmid:26082890 pmcid:PMC4459040 fatcat:hmu3ih46qvedzioioor7efln7y

CUDA-Accelerated Geodesic Ray-Tracing for Fiber Tracking

Evert van Aart, Neda Sepasian, Andrei Jalba, Anna Vilanova
2011 International Journal of Biomedical Imaging  
Diffusion Tensor Imaging (DTI) allows to noninvasively measure the diffusion of water in fibrous tissue.  ...  In this paper, we outline an approach to accelerating such a fiber-tracking algorithm using a Graphics Processing Unit (GPU).  ...  Geodesic Ray-Tracing for Fiber-Tracking The focus of this paper is a relatively new fiber-tracking algorithm based on geodesics, as proposed by Sepasian et al [21, 22] .  ... 
doi:10.1155/2011/698908 pmid:21941525 pmcid:PMC3176496 fatcat:u2zwcx3bqjdgdbnwzwztezu5gu

Structure Preserving Regularization Of Dt-Mri Vector Fields By Nonlinear Anisotropic Diffusion Filtering

Erdem Yoruk, Burak Acar
2005 Zenodo  
Publication in the conference proceedings of EUSIPCO, Antalya, Turkey, 2005  ...  DT-MRI based in-vivo fiber tractography (FiT) is based on following the principal eigenvectors of diffusion tensors, aiming to track the fibers, which are usually supposed to exhibit a regular and anisotropic  ...  As in [2] , traditional PDE based approaches can be exploited to regularize the scalar image of FA, for restoring DT-MRI data.  ... 
doi:10.5281/zenodo.39412 fatcat:tehvhaagbze6dctlhfqb7c4zim

Visualization Strategies for Major White Matter Tracts for Intraoperative Use

Christopher Nimsky, Oliver Ganslandt, Frank Enders, Dorit Merhof, Thilo Hammen, Michael Buchfelder
2006 International Journal of Computer Assisted Radiology and Surgery  
Streamline representation of major fiber tract systems along with high-resolution anatomical data provides a reliable orientation for the neurosurgeon.  ...  For intraoperative visualization of these data either on navigation screens near the surgical field or directly in the surgical field applying heads-up displays of operating microscopes, wrapping of all  ...  Seiler (BrainLab, Heimstetten, Germany) for implementation of the fiber tracking software in the navigation environment; Theodor Vetter, Ph.D., and Michael Zwanger, Ph.D.  ... 
doi:10.1007/s11548-006-0003-2 fatcat:jf2l24yk4bcqhbw4ldeftraehu

Isosurface-Based Generation of Hulls Encompassing Neuronal Pathways

Dorit Merhof, Martin Meister, Ezgi Bingöl, Christopher Nimsky, Günther Greiner
2009 Stereotactic and Functional Neurosurgery  
In preoperative planning, fiber tracking algorithms based on streamline propagation are used in order to reconstruct major fiber tracts.  ...  Abstract Background: Diffusion tensor imaging provides information about the location of white matter tracts within the human brain.  ...  Acknowledgments This work was supported by the Deutsche Forschungsgemeinschaft in the context of SFB 603, Project C9 and the Graduate Research Center '3D Image Analysis and Synthesis'.  ... 
doi:10.1159/000195720 pmid:19174621 fatcat:yi25umpcmrh7rihst5sznanz3a
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