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Accurate simulation of brain deformation is a key component for developing realistic, interactive neurosurgical simulators, as complex nonlinear deformations must be captured to ensure realistic tool-tissue interactions. However,…

Deformable registration of magnetic resonance images between patients with brain tumors and healthy subjects has been an important tool to specify tumor geometry through location alignment and facilitate pathological analysis. Since tumor…

Image and Video Processing · Electrical Eng. & Systems 2021-01-19 Xiaofeng Liu , Fangxu Xing , Chao Yang , C. -C. Jay Kuo , Georges ElFakhri , Jonghye Woo

We present Neural Shape Deformation Priors, a novel method for shape manipulation that predicts mesh deformations of non-rigid objects from user-provided handle movements. State-of-the-art methods cast this problem as an optimization task,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-02 Jiapeng Tang , Lev Markhasin , Bi Wang , Justus Thies , Matthias Nießner

Many tasks in robot-assisted surgery require planning and controlling manipulators' motions that interact with highly deformable objects. This study proposes a realistic, time-bounded simulator based on Position-based Dynamics (PBD)…

In medical imaging, most of the image registration methods implicitly assume a one-to-one correspondence between the source and target images (i.e., diffeomorphism). However, this is not necessarily the case when dealing with pathological…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 Matthis Maillard , Anton François , Joan Glaunès , Isabelle Bloch , Pietro Gori

Intraoperative observation of tissue internal structure is often difficult. Hence, real-time soft tissue deformation is essential for the localization of tumor and other internal structures. We propose a method to simulate the internal…

Computational Geometry · Computer Science 2019-07-26 Haoyin Zhou , Eva Gombos , Mehra Golshan , Jayender Jagadeesan

We present a novel method for quantifying the microscopic structure of brain tissue. It is based on the automated recognition of interpretable features obtained by analyzing the shapes of cells. This contrasts with prevailing methods of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Kui Qian , Litao Qiao , Beth Friedman , Edward O'Donnell , David Kleinfeld , Yoav Freund

Brain tissue segmentation from multimodal MRI is a key building block of many neuroimaging analysis pipelines. Established tissue segmentation approaches have, however, not been developed to cope with large anatomical changes resulting from…

Image and Video Processing · Electrical Eng. & Systems 2020-11-05 Reuben Dorent , Thomas Booth , Wenqi Li , Carole H. Sudre , Sina Kafiabadi , Jorge Cardoso , Sebastien Ourselin , Tom Vercauteren

Purpose: In this paper, we investigate a framework for interactive brain tumor segmentation which, at its core, treats the problem of interactive brain tumor segmentation as a machine learning problem. Methods: This method has an advantage…

Computer Vision and Pattern Recognition · Computer Science 2016-05-20 Mohammad Havaei , Hugo Larochelle , Philippe Poulin , Pierre-Marc Jodoin

Intraoperative ultrasound imaging is used to facilitate safe brain tumour resection. However, due to challenges with image interpretation and the physical scanning, this tool has yet to achieve widespread adoption in neurosurgery. In this…

Neuronavigation is widely used in biomedical research and interventions to guide the precise placement of instruments around the head to support procedures such as transcranial magnetic stimulation. Traditional systems, however, rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Ziye Xie , Oded Schlesinger , Raj Kundu , Jessica Y. Choi , Pablo Iturralde , Dennis A. Turner , Stefan M. Goetz , Guillermo Sapiro , Angel V. Peterchev , J. Matias Di Martino

We propose a novel machine learning strategy for studying neuroanatomical shape variation. Our model works with volumetric binary segmentation images, and requires no pre-processing such as the extraction of surface points or a mesh. The…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Evan M. Yu , Mert R. Sabuncu

Although modern imaging technologies allow us to study connectivity between two distinct brain regions in-vivo, an in-depth understanding of how anatomical structure supports brain function and how spontaneous functional fluctuations emerge…

Neurons and Cognition · Quantitative Biology 2024-10-29 Ziquan Wei , Tingting Dan , Jiaqi Ding , Guorong Wu

Early surgical treatment of brain tumors is crucial in reducing patient mortality rates. However, brain tissue deformation (called brain shift) occurs during the surgery, rendering pre-operative images invalid. As a cost-effective and…

Image and Video Processing · Electrical Eng. & Systems 2023-08-22 Soorena Salari , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao

Brain decoding aims to reconstruct visual perception of human subject from fMRI signals, which is crucial for understanding brain's perception mechanisms. Existing methods are confined to the single-subject paradigm due to substantial brain…

Computer Vision and Pattern Recognition · Computer Science 2025-02-10 Yuqin Dai , Zhouheng Yao , Chunfeng Song , Qihao Zheng , Weijian Mai , Kunyu Peng , Shuai Lu , Wanli Ouyang , Jian Yang , Jiamin Wu

Lumbar disc degeneration, a progressive structural wear and tear of lumbar intervertebral disc, is regarded as an essential role on low back pain, a significant global health concern. Automated lumbar spine geometry reconstruction from MR…

Computer Vision and Pattern Recognition · Computer Science 2024-05-02 Linchen Qian , Jiasong Chen , Linhai Ma , Timur Urakov , Weiyong Gu , Liang Liang

Brain tissue segmentation has demonstrated great utility in quantifying MRI data through Voxel-Based Morphometry and highlighting subtle structural changes associated with various conditions within the brain. However, manual segmentation is…

Image and Video Processing · Electrical Eng. & Systems 2023-02-02 Vishwanatha M. Rao , Zihan Wan , Soroush Arabshahi , David J. Ma , Pin-Yu Lee , Ye Tian , Xuzhe Zhang , Andrew F. Laine , Jia Guo

In this work, we explore the various Brain Neuron tracking techniques, which is one of the most significant applications of Diffusion Tensor Imaging. Tractography provides us with a non-invasive method to analyze underlying tissue…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Nandakishore Puttashamachar , Ulas Bagci

Objective: Deformable brain MR image registration is challenging due to large inter-subject anatomical variation. For example, the highly complex cortical folding pattern makes it hard to accurately align corresponding cortical structures…

Computer Vision and Pattern Recognition · Computer Science 2019-02-07 Dongming Wei , Zhengwang Wu , Gang Li , Xiaohuan Cao , Dinggang Shen , Qian Wang

Brain shift, i.e. the change in configuration of the brain after opening the dura mater, is a key problem in neuronavigation. We present an approach to co-register intra-operative microscope images with pre-operative MRI to adapt and…

Computer Vision and Pattern Recognition · Computer Science 2013-03-25 Benjamin Berkels , Ivan Cabrilo , Sven Haller , Martin Rumpf , Carlo Schaller