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Microscopic analysis of histological sections is considered the "gold standard" to verify structural parcellations in the human brain. Its high resolution allows the study of laminar and columnar patterns of cell distributions, which build…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Hannah Spitzer , Katrin Amunts , Stefan Harmeling , Timo Dickscheid

Human brain atlases provide spatial reference systems for data characterizing brain organization at different levels, coming from different brains. Cytoarchitecture is a basic principle of the microstructural organization of the brain, as…

Image and Video Processing · Electrical Eng. & Systems 2021-07-07 Christian Schiffer , Hannah Spitzer , Kai Kiwitz , Nina Unger , Konrad Wagstyl , Alan C. Evans , Stefan Harmeling , Katrin Amunts , Timo Dickscheid

Cytoarchitectonic maps provide microstructural reference parcellations of the brain, describing its organization in terms of the spatial arrangement of neuronal cell bodies as measured from histological tissue sections. Recent work provided…

Image and Video Processing · Electrical Eng. & Systems 2021-06-02 Christian Schiffer , Katrin Amunts , Stefan Harmeling , Timo Dickscheid

Identifying cerebral cortex layers is crucial for comparative studies of the cytoarchitecture aiming at providing insights into the relations between brain structure and function across species. The absence of extensive annotated datasets…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Valentina Vadori , Antonella Peruffo , Jean-Marie Graïc , Giulia Vadori , Livio Finos , Enrico Grisan

Cytoarchitecture describes the spatial organization of neuronal cells in the brain, including their arrangement into layers and columns with respect to cell density, orientation, or presence of certain cell types. It allows to segregate the…

Image and Video Processing · Electrical Eng. & Systems 2022-01-02 Christian Schiffer , Stefan Harmeling , Katrin Amunts , Timo Dickscheid

Deep convolutional neural networks are powerful tools for learning visual representations from images. However, designing efficient deep architectures to analyse volumetric medical images remains challenging. This work investigates…

Computer Vision and Pattern Recognition · Computer Science 2017-07-10 Wenqi Li , Guotai Wang , Lucas Fidon , Sebastien Ourselin , M. Jorge Cardoso , Tom Vercauteren

In this thesis, we present robust and fully-automated methods for the subdivision of the entire human cerebral cortex based on connectivity information. Our contributions are four-fold: First, we propose a clustering approach to delineate a…

Neurons and Cognition · Quantitative Biology 2018-02-21 Salim Arslan

Cytoarchitectonic mapping provides anatomically grounded parcellations of brain structure and forms a foundation for integrative, multi-modal neuroscience analyses. These parcellations are defined based on the shape, density, and spatial…

Image and Video Processing · Electrical Eng. & Systems 2026-01-16 Shiqi Zhang , Fang Xu , Pengcheng Zhou

Studying the cellular architecture of the human cerebral cortex is critical for understanding brain organization and function. It requires investigating complex texture patterns in histological images, yet automatic methods that scale…

Neurons and Cognition · Quantitative Biology 2026-03-06 Christian Schiffer , Zeynep Boztoprak , Jan-Oliver Kropp , Julia Thönnißen , Katia Berr , Hannah Spitzer , Katrin Amunts , Timo Dickscheid

Medical images used in clinical practice are heterogeneous and not the same quality as scans studied in academic research. Preprocessing breaks down in extreme cases when anatomy, artifacts, or imaging parameters are unusual or protocols…

Image and Video Processing · Electrical Eng. & Systems 2022-08-31 Mostafa Mehdipour Ghazi , Mads Nielsen

Self-supervised learning is emerging as an effective substitute for transfer learning from large datasets. In this work, we use kidney segmentation to explore this idea. The anatomical asymmetry of kidneys is leveraged to define an…

Computer Vision and Pattern Recognition · Computer Science 2021-01-15 Abhinav Dhere , Jayanthi Sivaswamy

We consider the problem of segmenting a biomedical image into anatomical regions of interest. We specifically address the frequent scenario where we have no paired training data that contains images and their manual segmentations. Instead,…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Adrian V. Dalca , John Guttag , Mert R. Sabuncu

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

The reconstruction of cerebral cortex surfaces from brain MRI scans is instrumental for the analysis of brain morphology and the detection of cortical thinning in neurodegenerative diseases like Alzheimer's disease (AD). Moreover, for a…

Neurons and Cognition · Quantitative Biology 2022-10-05 Anne-Marie Rickmann , Fabian Bongratz , Sebastian Pölsterl , Ignacio Sarasua , Christian Wachinger

We present cortical surface parcellation using spherical deep convolutional neural networks. Traditional multi-atlas cortical surface parcellation requires inter-subject surface registration using geometric features with high processing…

We present a novel neural network architecture called AutoAtlas for fully unsupervised partitioning and representation learning of 3D brain Magnetic Resonance Imaging (MRI) volumes. AutoAtlas consists of two neural network components: one…

Image and Video Processing · Electrical Eng. & Systems 2021-11-12 K. Aditya Mohan , Alan D. Kaplan

We present a novel approach to automatically segment magnetic resonance (MR) images of the human brain into anatomical regions. Our methodology is based on a deep artificial neural network that assigns each voxel in an MR image of the brain…

Computer Vision and Pattern Recognition · Computer Science 2015-06-26 Alexandre de Brebisson , Giovanni Montana

Brightfield and fluorescent imaging of whole brain sections are funda- mental tools of research in mouse brain study. As sectioning and imaging become more efficient, there is an increasing need to automate the post-processing of sec- tions…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Yuncong Chen , David Kleinfeld , Martyn Goulding , Yoav Freund

Purpose: Conventional automated segmentation of the head anatomy in MRI distinguishes different brain and non-brain tissues based on image intensities and prior tissue probability maps (TPM). This works well for normal head anatomies, but…

Image and Video Processing · Electrical Eng. & Systems 2021-05-20 Lukas Hirsch , Yu Huang , Lucas C Parra

Data-driven brain parcellations aim to provide a more accurate representation of an individual's functional connectivity, since they are able to capture individual variability that arises due to development or disease. This renders…

Neurons and Cognition · Quantitative Biology 2017-03-30 Sofia Ira Ktena , Salim Arslan , Sarah Parisot , Daniel Rueckert
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