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Recently, through development of several 3d vision systems, widely used in various applications, medical and biometric fields. Microsoft kinect sensor have been most of used camera among 3d vision systems. Microsoft kinect sensor can obtain…

计算机视觉与模式识别 · 计算机科学 2024-09-16 M. S. Gokmen , M. Akbaba , O. Findik

Accurate segmentation of vertebral metastasis in CT is clinically important yet difficult to scale, as voxel-level annotations are scarce and both lytic and blastic lesions often resemble benign degenerative changes. We introduce a 2D…

Automatic parsing of human anatomies at the instance-level from 3D computed tomography (CT) is a prerequisite step for many clinical applications. The presence of pathologies, broken structures or limited field-of-view (FOV) can all make…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Heng Guo , Jianfeng Zhang , Ke Yan , Le Lu , Minfeng Xu

Robust localisation and identification of vertebrae is essential for automated spine analysis. The contribution of this work to the task is two-fold: (1) Inspired by the human expert, we hypothesise that a sagittal and coronal reformation…

计算机视觉与模式识别 · 计算机科学 2018-11-14 Anjany Sekuboyina , Markus Rempfler , Jan Kukačka , Giles Tetteh , Alexander Valentinitsch , Jan S. Kirschke , Bjoern H. Menze

Labeling intervertebral discs is relevant as it notably enables clinicians to understand the relationship between a patient's symptoms (pain, paralysis) and the exact level of spinal cord injury. However manually labeling those discs is a…

图像与视频处理 · 电气工程与系统科学 2020-03-12 Lucas Rouhier , Francisco Perdigon Romero , Joseph Paul Cohen , Julien Cohen-Adad

Modern robotic systems are required to operate in challenging environments, which demand reliable localization under challenging conditions. LiDAR-based localization methods, such as the Iterative Closest Point (ICP) algorithm, can suffer…

机器人学 · 计算机科学 2024-02-20 Turcan Tuna , Julian Nubert , Yoshua Nava , Shehryar Khattak , Marco Hutter

Inter-subject registration of cortical areas is necessary in functional imaging (fMRI) studies for making inferences about equivalent brain function across a population. However, many high-level visual brain areas are defined as peaks of…

神经元与认知 · 定量生物学 2016-06-09 Marius Cătălin Iordan , Armand Joulin , Diane M. Beck , Li Fei-Fei

It is well known that machine learning models require a high amount of annotated data to obtain optimal performance. Labelling Computed Tomography (CT) data can be a particularly challenging task due to its volumetric nature and often…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Franko Hrzic , Mohammadreza Movahhedi , Ophelie Lavoie-Gagne , Ata Kiapour

A robust and efficient optimization-based 2D/3D registration framework is crucial for the navigation system of orthopedic surgical robots. It can provide precise position information of surgical instruments and implants during surgery.…

图像与视频处理 · 电气工程与系统科学 2024-08-20 Minheng Chen , Tonglong Li , Zhirun Zhang , Youyong Kong

Drilling is one of the hardest parts of pedicle screw fixation, and it is one of the most dangerous operations because inaccurate screw placement would injury vital tissues, particularly when the vertebra is not stationary. Here we…

机器人学 · 计算机科学 2021-01-07 Zhongliang Jiang , Long Lei , Yu Sun , Xiaozhi Qi , Ying Hu , Bing Li , Nassir Navab , Jianwei Zhang

In this paper, we target the problem of fracture classification from clinical X-Ray images towards an automated Computer Aided Diagnosis (CAD) system. Although primarily dealing with an image classification problem, we argue that localizing…

计算机视觉与模式识别 · 计算机科学 2018-10-01 Amelia Jiménez-Sánchez , Anees Kazi , Shadi Albarqouni , Sonja Kirchhoff , Alexandra Sträter , Peter Biberthaler , Diana Mateus , Nassir Navab

Precise identification of spinal nerve rootlets is relevant to delineate spinal levels for the study of functional activity in the spinal cord. The goal of this study was to develop an automatic method for the semantic segmentation of…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Jan Valosek , Theo Mathieu , Raphaelle Schlienger , Olivia S. Kowalczyk , Julien Cohen-Adad

This paper proposes a novel transformer-based model architecture for medical imaging problems involving analysis of vertebrae. It considers two applications of such models in MR images: (a) detection of spinal metastases and the related…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Rhydian Windsor , Amir Jamaludin , Timor Kadir , Andrew Zisserman

Modeling spinal motion is fundamental to understanding human biomechanics, yet remains underexplored in computer vision due to the spine's complex multi-joint kinematics and the lack of large-scale 3D annotations. We present a…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Muhammad Saif Ullah Khan , Didier Stricker

Spine image segmentation is crucial for clinical diagnosis and treatment of spine diseases. The complex structure of the spine and the high morphological similarity between individual vertebrae and adjacent intervertebral discs make…

图像与视频处理 · 电气工程与系统科学 2025-08-27 Dingwei Fan , Junyong Zhao , Chunlin Li , Mingliang Wang , Qi Zhu , Haipeng Si , Daoqiang Zhang , Liang Sun

Matching MRI brain images between patients or mapping patients' MRI slices to the simulated atlas of a brain is key to the automatic registration of MRI of a brain. The ability to match MRI images would also enable such applications as…

图像与视频处理 · 电气工程与系统科学 2023-02-09 Jiří Martinů , Jan Novotný , Karel Adámek , Petr Čermák , Jiří Kozel , David Školoudík

In this paper we present a new 3D segmentation approach for the vertebrae of the lower thoracic and the lumbar spine in spiral computed tomography datasets. We implemented a multi-step procedure. Its main components are deformable models,…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Andre Mastmeyer , Klaus Engelke , Sebastian Meller , Willi Kalender

Adolescent idiopathic scoliosis (AIS) is a lifetime disease that arises in children. Accurate estimation of Cobb angles of the scoliosis is essential for clinicians to make diagnosis and treatment decisions. The Cobb angles are measured…

图像与视频处理 · 电气工程与系统科学 2020-01-13 Jingru Yi , Pengxiang Wu , Qiaoying Huang , Hui Qu , Dimitris N. Metaxas

Developing automated and semi-automated solutions for reconstructing wiring diagrams of the brain from electron micrographs is important for advancing the field of connectomics. While the ultimate goal is to generate a graph of neuron…

计算机视觉与模式识别 · 计算机科学 2016-08-09 William Gray Roncal , Colin Lea , Akira Baruah , Gregory D. Hager

Vertebral body (VB) segmentation is an important preliminary step towards medical visual diagnosis for spinal diseases. However, most previous works require pixel/voxel-wise strong supervisions, which is expensive, tedious and…

计算机视觉与模式识别 · 计算机科学 2024-02-15 Shiqi Peng , Bolin Lai , Guangyu Yao , Xiaoyun Zhang , Ya Zhang , Yan-Feng Wang , Hui Zhao