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Precise segmentation and anatomical identification of the vertebrae provides the basis for automatic analysis of the spine, such as detection of vertebral compression fractures or other abnormalities. Most dedicated spine CT and MR scans as…

Computer Vision and Pattern Recognition · Computer Science 2019-02-15 Nikolas Lessmann , Bram van Ginneken , Pim A. de Jong , Ivana Išgum

Spinal ligaments are crucial elements in the complex biomechanical simulation models as they transfer forces on the bony structure, guide and limit movements and stabilize the spine. The spinal ligaments encompass seven major groups being…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Ivanna Kramer , Lara Blomenkamp , Kevin Weirauch , Sabine Bauer , Dietrich Paulus

Vertebral landmark localization is a crucial step for variant spine-related clinical applications, which requires detecting the corner points of 17 vertebrae. However, the neighbor landmarks often disturb each other for the homogeneous…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Zhiwei Wang , Jinxin Lv , Yunqiao Yang , Yuanhuai Liang , Yi Lin , Qiang Li , Xin Li , Xin Yang

Automatic and precise multi-class vertebrae segmentation from CT images is crucial for various clinical applications. However, due to similar appearances between adjacent vertebrae and the existence of various pathologies, existing…

Image and Video Processing · Electrical Eng. & Systems 2025-05-29 Xin You , Yixin Lou , Minghui Zhang , Jie Yang , Yun Gu

Osteoporosis is a common bone disease that occurs when the creation of new bone does not keep up with the loss of old bone, resulting in increased fracture risk. Adults over the age of 50 are especially at risk and see their quality of life…

Image and Video Processing · Electrical Eng. & Systems 2021-02-16 P. A. Bjornsson , B. Helgason , H. Palsson , S. Sigurdsson , V. Gudnason , L. M. Ellingsen

Patient-specific 3D spine models serve as a foundation for spinal treatment and surgery planning as well as analysis of loading conditions in biomechanical and biomedical research. Despite advancements in imaging technologies, the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-09 Lara Blomenkamp , Ivanna Kramer , Sabine Bauer , Kevin Weirauch , Dietrich Paulus

Identifying, measuring and reporting lesions accurately and comprehensively from patient CT scans are important yet time-consuming procedures for physicians. Computer-aided lesion/significant-findings detection techniques are at the core of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Jinzheng Cai , Ke Yan , Chi-Tung Cheng , Jing Xiao , Chien-Hung Liao , Le Lu , Adam P. Harrison

Long-term vertebral fractures severely affect the life quality of patients, causing kyphotic, lumbar deformity and even paralysis. Computed tomography (CT) is a common clinical examination to screen for this disease at early stages.…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Xin Wei , Huaiwei Cong , Zheng Zhang , Junran Peng , Guoping Chen , Jinpeng Li

Vertebral labelling and segmentation are two fundamental tasks in an automated spine processing pipeline. Reliable and accurate processing of spine images is expected to benefit clinical decision-support systems for diagnosis, surgery…

The vertebral levels of the spine provide a useful coordinate system when making measurements of plaque, muscle, fat, and bone mineral density. Correctly classifying vertebral levels with high accuracy is challenging due to the similar…

Image and Video Processing · Electrical Eng. & Systems 2020-10-08 Daniel C. Elton , Veit Sandfort , Perry J. Pickhardt , Ronald M. Summers

Fast and accurate anatomical landmark detection can benefit many medical image analysis methods. Here, we propose a method to automatically detect anatomical landmarks in medical images. Automatic landmark detection is performed with a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Julia M. H. Noothout , Bob D. de Vos , Jelmer M. Wolterink , Tim Leiner , Ivana Išgum

Automatic medical image segmentation based on Computed Tomography (CT) has been widely applied for computer-aided surgery as a prerequisite. With the development of deep learning technologies, deep convolutional neural networks (DCNNs) have…

Image and Video Processing · Electrical Eng. & Systems 2021-04-09 Wenqiang Li , YM Tang , Ziyang Wang , KM Yu , Sandy To

Manual annotation of vertebrae on spinal X-ray imaging is costly and time-consuming due to bone shape complexity and image quality variations. In this study, we address this challenge by proposing an ensemble method called VertXNet, to…

Image and Video Processing · Electrical Eng. & Systems 2022-07-13 Yao Chen , Yuanhan Mo , Aimee Readie , Gregory Ligozio , Thibaud Coroller , Bartlomiej W. Papiez

Deep learning (DL) networks have recently been shown to outperform other segmentation methods on various public, medical-image challenge datasets [3,11,16], especially for large pathologies. However, in the context of diseases such as…

Computer Vision and Pattern Recognition · Computer Science 2018-10-18 Tanya Nair , Doina Precup , Douglas L. Arnold , Tal Arbel

Osteoporosis is a common bone disease that increases the risk of bone fracture. Hip-fracture risk screening methods based on finite element analysis depend on segmented computed tomography (CT) images; however, current femur segmentation…

High energy impacts at joint locations often generate highly fragmented, or comminuted, bone fractures. Current approaches for treatment require physicians to decide how to classify the fracture within a hierarchy fracture severity…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Pengcheng Liu , Nathan Hewitt , Waseem Shadid , Andrew Willis

We propose a novel convolutional method for the detection and identification of vertebrae in whole spine MRIs. This involves using a learnt vector field to group detected vertebrae corners together into individual vertebral bodies and…

Image and Video Processing · Electrical Eng. & Systems 2020-07-14 Rhydian Windsor , Amir Jamaludin , Timor Kadir , Andrew Zisserman

The manual examination of X-ray images for fractures is a time-consuming process that is prone to human error. In this work, we introduce a robust yet simple training loop for the classification of fractures, which significantly outperforms…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Shyam Gupta , Dhanisha Sharma

Osteoporosis, characterized by reduced bone mineral density (BMD) and compromised bone microstructure, increases fracture risk in aging populations. While dual-energy X-ray absorptiometry (DXA) is the clinical standard for BMD assessment,…

Image and Video Processing · Electrical Eng. & Systems 2025-06-26 Jiaxing Huang , Heng Guo , Le Lu , Fan Yang , Minfeng Xu , Ge Yang , Wei Luo

We present a method to address the challenging problem of segmentation of lumbar vertebrae from CT images acquired with varying fields of view. Our method is based on cascaded 3D Fully Convolutional Networks (FCNs) consisting of a…

Computer Vision and Pattern Recognition · Computer Science 2017-12-06 Rens Janssens , Guodong Zeng , Guoyan Zheng