Filters








894 Hits in 4.8 sec

Automatic segmentation of the intracranialvolume in fetal MR images [article]

N. Khalili, P. Moeskops, N.H.P. Claessens, S. Scherpenzeel, E. Turk, R. de Heus, M.J.N.L. Benders, M.A. Viergever, J.P.W. Pluim, I. Išgum
2017 arXiv   pre-print
This paper presents an automatic method for segmentation of the ICV in fetal MR images.  ...  Quantitative analysis of fetal brain development requires automatic brain tissue segmentation that is typically preceded by segmentation of the intracranial volume (ICV).  ...  Province and the Municipality of Utrecht.  ... 
arXiv:1708.02282v1 fatcat:ltqt5u7fg5drrfaec567q3yxse

Segmentation of the cortex in fetal MRI using a topological model

B. Caldairou, N. Passat, P. Habas, C. Studholme, M. Koob, J.-L. Dietemann, F. Rousseau
2011 2011 IEEE International Symposium on Biomedical Imaging: From Nano to Macro  
The study of in utero fetal MR images is essential for the diagnosis of abnormal brain development and the study of the maturation of the brain structures.  ...  Experiments performed on in utero MR data and validation by comparison to experts segmentation emphasize the relevance of the method.  ...  CONCLUSION A topological based clustering method has been proposed for the segmentation of the cortex in fetal brain MR images, which takes advantages of anatomical knowledges.  ... 
doi:10.1109/isbi.2011.5872814 dblp:conf/isbi/CaldairouPHSKDR11 fatcat:nknkctu6rjd2xklyj4bhdlnnym

Automatic extraction of the intracranial volume in fetal and neonatal MR scans using convolutional neural networks

N. Khalili, E. Turk, M.J.N.L. Benders, P. Moeskops, N.H.P. Claessens, R. de Heus, A. Franx, N. Wagenaar, J.M.P.J. Breur, M.A. Viergever, I. Išgum
2019 NeuroImage: Clinical  
Quantitative analysis of brain development requires automatic brain tissue segmentation that is typically preceded by segmentation of the intracranial volume (ICV).  ...  We propose an automatic method for segmentation of the ICV in fetal and neonatal MRI scans.  ...  Province and the Municipality of Utrecht.  ... 
doi:10.1016/j.nicl.2019.102061 pmid:31835284 pmcid:PMC6909142 fatcat:kpdiz5b4mbgfzekpvq7xn2pwbu

Normative biometry of the fetal brain using magnetic resonance imaging

Vanessa Kyriakopoulou, Deniz Vatansever, Alice Davidson, Prachi Patkee, Samia Elkommos, Andrew Chew, Miriam Martinez-Biarge, Bibbi Hagberg, Mellisa Damodaram, Joanna Allsop, Matt Fox, Joseph V. Hajnal (+1 others)
2016 Brain Structure and Function  
The fetal brain shows accelerated growth in the latter half of gestation, and these changes can be captured by 2D and 3D biometry measurements.  ...  Developing growth trajectories will aid in the better understanding of normal fetal brain growth and subsequently of deviations from typical development in high-risk pregnancies or following premature  ...  , and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.  ... 
doi:10.1007/s00429-016-1342-6 pmid:27885428 pmcid:PMC5504265 fatcat:lqfjanbm7behfckslta4spuxm4

Quantification of Intracranial Structures Volume in Fetuses Using 3-D Volumetric MRI: Normal Values at 19 to 37 Weeks' Gestation

Jing-Ya Ren, Ming Zhu, Guanghai Wang, Yiding Gui, Fan Jiang, Su-Zhen Dong
2022 Frontiers in Neuroscience  
Intra- and inter-observer agreement was high, with an intraclass correlation coefficient larger than 0.98.ConclusionWe have shown that the intracranial structural volume of the fetal brain can be reliably  ...  , intracranial cavity volume (ICV), lateral ventricles volume (VV), cerebellum volume (CBV), brainstem volume (BM), and extra-cerebrospinal fluid volume (e-CSFV), were quantified by manual segmentation  ...  ACKNOWLEDGMENTS This article is dedicated to all who participated in and assisted in this study.  ... 
doi:10.3389/fnins.2022.886083 pmid:35645723 pmcid:PMC9133784 fatcat:v2oapbxyyze4nivdvmk5ppmham

Intracranial arterial variations: A comprehensive evaluation using CT angiography

Djordjije Šaranović
2014 Medical Science Monitor  
Fetal origin of the posterior cerebral artery was found in 37% of cases.  ...  Bihemispheric anterior cerebral artery was found in 0.9%, hypoplastic A1 segment in 17.6%, and congenital absence of A1 segment in 0.4% of patients.  ...  Three-dimensional volume-rendered image shows fetal right posterior cerebral artery (thick arrow) and hypoplastic A1 segment of right anterior cerebral artery (thin arrow).  ... 
doi:10.12659/msm.890265 pmid:24625840 pmcid:PMC3962325 fatcat:gpgrx4h62vbfpoapxdwxnbgahi

Data-Driven Cortex Segmentation in Reconstructed Fetal MRI by Using Structural Constraints [chapter]

Benoît Caldairou, Nicolas Passat, Piotr Habas, Colin Studholme, Mériam Koob, Jean-Louis Dietemann, François Rousseau
2011 Lecture Notes in Computer Science  
In utero fetal MR images are essential for the diagnosis of abnormal brain development and understanding brain structures maturation.  ...  Because of particular properties of these images, such as important partial volume effect and tissue intensity overlaps, few automated segmentation methods have been developed so far compared to the numerous  ...  Conclusion A topological based clustering method has been proposed for the segmentation of the cortex in fetal brain MR images, which takes advantages of anatomical knowledge.  ... 
doi:10.1007/978-3-642-23672-3_61 fatcat:bikuf7ghd5fmvdihqt4rujbq3i

VP24.08: Total brain volume and intracranial volume assessed by magnetic resonance in small‐for‐gestational‐age fetuses with normal fetoplacental Doppler

A. Nakaki, F. Crovetto, A. Urru, G. Piella, M. González Ballester, K. Vellve, E. Eixarch, F. Crispi, E. Gratacos
2021 Ultrasound in Obstetrics and Gynecology  
the cerebral parenchyma in the right hemisphere that communicated the subarachnoid space with both lateral ventricles with right ventriculomegaly and absence of cavum septum pellucidum.  ...  The diagnosis was confirmed with a fetal MRI that showed a septo-optic dysplasia with right silvian schizencephaly of open clefts associated with bilateral polymicrogyria.  ...  Objectives: The aim of this study was to assess total brain volume (TBV) and intracranial volume (ICV) by magnetic resonance (MR) in term small-for-gestational-age (SGA) fetuses with normal Doppler, compared  ... 
doi:10.1002/uog.24395 fatcat:ytc45n2nkjguzhiqhmq76x6ziu

Brain volume estimation from post-mortem newborn and fetal MRI

Eliza Orasanu, Andrew Melbourne, M. Jorge Cardoso, Marc Modat, Andrew M. Taylor, Sudhin Thayyil, Sebastien Ourselin
2014 NeuroImage: Clinical  
As validation, we manually segmented the MR images from 8 subjects of each cohort and compared them with the automatic ones.  ...  In this paper we aim to show that volumetric measurements of the post-mortem fetal and neonatal brain can be accurately estimated using semi-automatic techniques and a high correlation can be found with  ...  The authors declare no conflict of interest.  ... 
doi:10.1016/j.nicl.2014.10.007 pmid:25379457 pmcid:PMC4218943 fatcat:qhpddymvtfhcfjakeszjzqrdqy

Brain Surface Segmentation Of Magnetic Resonance Images Of The Fetus

Meritxell Bach Cuadra, Stephan Eliez, Damien Ferrario, Laurent Guibaud, Nawal Houhou, Marie Schaer, Jean-Philippe Thiran, Dominique Zosso
2008 Zenodo  
Publication in the conference proceedings of EUSIPCO, Lausanne, Switzerland, 2008  ...  In fact, so far few works have studied the brain segmentation of fetal MR images [14] . This work is a first attempt to automatic brain segmentation of MR brain images of fetus.  ...  CONCLUSION In this work, a brain segmentation method of MRI of the fetus has been proposed. To our knowledge, this is the first attempt to perform automatic segmentation of such image data.  ... 
doi:10.5281/zenodo.40932 fatcat:iewyrcohunfufh2tfsvc7fuoyu

Prospective evaluation of suspected stenoocclusive disease of the intracranial artery: combined MR angiography and CT angiography compared with digital subtraction angiography

Toshinori Hirai, Yukunori Korogi, Ken Ono, Masafumi Nagano, Kousei Maruoka, Shozaburo Uemura, Mutsumasa Takahashi
2002 American Journal of Neuroradiology  
In this investigation, the evaluation of suspected stenoocclusive diseases in major intracranial arteries, the accuracy of combined MR angiography and CT angiography is equal to that of DSA in most cases  ...  Our purpose was to determine whether the accuracy of combined MR angiography and CT angiography is equal to that of digital subtraction angiography (DSA) in measuring stenosis and detecting major intracranial  ...  In this study, automatic triggering with the detection of the contrast material bolus was used to optimize imaging delay time.  ... 
pmid:11827880 pmcid:PMC7975497 fatcat:e4s5fcw22fekpfebqoaqs4ytny

Efficient multi-class fetal brain segmentation in high resolution MRI reconstructions with noisy labels [article]

Kelly Payette, Raimund Kottke, Andras Jakab
2020 arXiv   pre-print
Segmentation of the developing fetal brain is an important step in quantitative analyses.  ...  Therefore, the proposed network has the potential to eliminate the need for manual segmentations needed in quantitative analyses of the fetal brain independent of reconstruction method used, offering an  ...  Acknowledgements Financial support was provided by the OPO Foundation, Anna Müller Grocholski Foundation, the Foundation for Research in Science and the Humanities at the University of Zurich, EMDO Foundation  ... 
arXiv:2009.06275v1 fatcat:5y4rzi3ccncdvneydstkqxqkj4

Front Matter: Volume 12032

Ivana Išgum, Olivier Colliot
2022 Medical Imaging 2022: Image Processing  
of SPIE at the time of publication.  ...  SPIE uses a seven-digit CID article numbering system structured as follows:  The first five digits correspond to the SPIE volume number.  The last two digits indicate publication order within the volume  ...  network and one-shot learning [12032-14] 0H Evaluating the impact of MR image harmonization on thalamus deep network segmentation [12032-15] 0I Evaluating the impact of MR image contrast on whole brain  ... 
doi:10.1117/12.2638192 fatcat:ikfgnjefaba2tpiamxoftyi6sa

Cortical Overgrowth in Fetuses With Isolated Ventriculomegaly

V. Kyriakopoulou, D. Vatansever, S. Elkommos, S. Dawson, A. McGuinness, J. Allsop, Z. Molnar, J. Hajnal, M. Rutherford
2013 Cerebral Cortex  
imaging (MRI) in fetuses with isolated ventriculomegaly.  ...  Neurodevelopmental outcome is partially predictable by the 2-dimensional size of the ventricles in the absence of other abnormalities.  ...  The authors gratefully acknowledge the parents who participated in this study as well as the staff at the Centre for the Developing Brain. We also thank Dr M.B. Powner for image formatting.  ... 
doi:10.1093/cercor/bht062 pmid:23508710 fatcat:wfi5glej2rh5zb3uuy6rof52ca

VP24.09: "Cat‐ear line": a sign of normal neuronal cell migration of fetal brain?

N. Matsuzawa, L.C. Poon, Y. Wah, M. Machida, T. Nakamura, R.K. Pooh
2021 Ultrasound in Obstetrics and Gynecology  
the cerebral parenchyma in the right hemisphere that communicated the subarachnoid space with both lateral ventricles with right ventriculomegaly and absence of cavum septum pellucidum.  ...  The diagnosis was confirmed with a fetal MRI that showed a septo-optic dysplasia with right silvian schizencephaly of open clefts associated with bilateral polymicrogyria.  ...  Objectives: The aim of this study was to assess total brain volume (TBV) and intracranial volume (ICV) by magnetic resonance (MR) in term small-for-gestational-age (SGA) fetuses with normal Doppler, compared  ... 
doi:10.1002/uog.24396 fatcat:ziicaygek5getbaw4kgw46p24e
« Previous Showing results 1 — 15 out of 894 results