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The analysis of single CT slices extracted at the third lumbar vertebra (L3) has garnered significant clinical interest in the past few years, in particular in regards to quantifying sarcopenia (muscle loss). In this paper, we propose an…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Fahdi Kanavati , Shah Islam , Eric O. Aboagye , Andrea Rockall

This study presents an advanced approach to lumbar spine segmentation using deep learning techniques, focusing on addressing key challenges such as class imbalance and data preprocessing. Magnetic resonance imaging (MRI) scans of patients…

On the off-the-shelf navigational assistance devices, the localization precision is limited to the signal error of global navigation satellite system (GNSS). During travelling outdoors, the inaccurately localization perplexes visually…

计算机视觉与模式识别 · 计算机科学 2019-05-15 Ruiqi Cheng , Kaiwei Wang , Longqing Lin , Kailun Yang

Vessel structure is one of the most important parts of the retina which physicians can detect many diseases by analysing its features. Localization of blood vessels in retina images is an important process in medical image analysis. This…

图像与视频处理 · 电气工程与系统科学 2024-01-09 Vahid Mohammadi Safarzadeh

MRI is preferred over CT in paediatric imaging because it avoids ionising radiation, but its use in spine deformity assessment is largely limited by the lack of automated, high-resolution 3D bony reconstruction, which continues to rely on…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Nathasha Naranpanawa , Maree T. Izatt , Robert D. Labrom , Geoffrey N. Askin , J. Paige Little

In this paper a new technique is presented that extracts the geometry of lumbar vertebral bodies from spiral CT scans. Our new multi-step segmentation approach yields highly accurate and precise measurement of the bone mineral density (BMD)…

计算机视觉与模式识别 · 计算机科学 2017-05-23 Andre Mastmeyer , Klaus Engelke , Willi Kalender

Computerized registration between maxillofacial cone-beam computed tomography (CT) images and a scanned dental model is an essential prerequisite in surgical planning for dental implants or orthognathic surgery. We propose a novel method…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Minyoung Chung , Jingyu Lee , Wisoo Song , Youngchan Song , Il-Hyung Yang , Jeongjin Lee , Yeong-Gil Shin

Automatic segmentation of anatomical structures is critical in medical image analysis, aiding diagnostics and treatment planning. Skin segmentation plays a key role in registering and visualising multimodal imaging data. 3D skin…

图像与视频处理 · 电气工程与系统科学 2025-06-16 Martina Paccini , Giuseppe Patanè

Radiographs are used as the most important imaging tool for identifying spine anomalies in clinical practice. The evaluation of spinal bone lesions, however, is a challenging task for radiologists. This work aims at developing and…

图像与视频处理 · 电气工程与系统科学 2021-06-25 Hieu T. Nguyen , Hieu H. Pham , Nghia T. Nguyen , Ha Q. Nguyen , Thang Q. Huynh , Minh Dao , Van Vu

Purpose: The purpose is to design a novelty automatic diagnostic method for osteoporosis screening by using the potential capability of convolutional neural network (CNN) in feature representation and extraction, which can be incorporated…

医学物理 · 物理学 2019-10-16 Chao Tang , Wenkun Zhang , Haiting Li , Lei Li , Ziheng Li , Ailong Cai , Linyuan Wang , Dapeng Shi , Bin Yan

Purpose: To propose and evaluate an accelerated $T_{1\rho}$ quantification method that combines $T_{1\rho}$-weighted fast spin echo (FSE) images and proton density (PD)-weighted anatomical FSE images, leveraging deep learning models for…

图像与视频处理 · 电气工程与系统科学 2025-08-06 Junru Zhong , Chaoxing Huang , Ziqiang Yu , Fan Xiao , Siyue Li , Tim-Yun Michael Ong , Ki-Wai Kevin Ho , Queenie Chan , James F. Griffith , Weitian Chen

Accelerated MRI reconstructs images of clinical anatomies from sparsely sampled signal data to reduce patient scan times. While recent works have leveraged deep learning to accomplish this task, such approaches have often only been explored…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Michael S. Yao , Michael S. Hansen

The work proposes an image segmentation algorithm that isolates slender regions in three-dimensional microstructures. Characterizing slender regions in material microstructures is an extremely important aspect in material science because…

数据分析、统计与概率 · 物理学 2025-03-13 Vinit Vijay Deshpande , Romana Piat

Automated detection of sclerotic metastases (bone lesions) in Computed Tomography (CT) images has potential to be an important tool in clinical practice and research. State-of-the-art methods show performance of 79% sensitivity or…

计算机视觉与模式识别 · 计算机科学 2014-07-23 Holger R. Roth , Jianhua Yao , Le Lu , James Stieger , Joseph E. Burns , Ronald M. Summers

In this paper we introduce the Ladder Algorithm; a novel recurrent algorithm to detect repetitive structures in natural images with high accuracy using little training data. We then demonstrate the algorithm on the task of extracting…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Rhydian Windsor , Amir Jamaludin

In the paper, we present an approach for learning a single model that universally segments 33 anatomical structures, including vertebrae, pelvic bones, and abdominal organs. Our model building has to address the following challenges.…

图像与视频处理 · 电气工程与系统科学 2022-03-07 Pengbo Liu , Yang Deng , Ce Wang , Yuan Hui , Qian Li , Jun Li , Shiwei Luo , Mengke Sun , Quan Quan , Shuxin Yang , You Hao , Honghu Xiao , Chunpeng Zhao , Xinbao Wu , S. Kevin Zhou

This study proposes a 3D semantic segmentation method for the spine based on the improved SwinUNETR to improve segmentation accuracy and robustness. Aiming at the complex anatomical structure of spinal images, this paper introduces a…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Yanlin Xiang , Qingyuan He , Ting Xu , Ran Hao , Jiacheng Hu , Hanchao Zhang

In this paper, we propose a novel framework called rigid body localization for joint position and orientation estimation of a rigid body. We consider a setup in which a few sensors are mounted on a rigid body. The absolute position of the…

信息论 · 计算机科学 2013-07-25 Sundeep Prabhakar Chepuri , Geert Leus , Alle-Jan van der Veen

One of the major difficulties in medical image segmentation is the high variability of these images, which is caused by their origin (multi-centre), the acquisition protocols (multi-parametric), as well as the variability of human anatomy,…

图像与视频处理 · 电气工程与系统科学 2022-11-09 Jhon Jairo Saenz-Gamboa , Julio Domenech , Antonio Alonso-Manjarrés , Jon A. Gómez , Maria de la Iglesia-Vayá

Study Design: This study presents the development of an autonomous AI system for MRI spine pathology detection, trained on a dataset of 2 million MRI spine scans sourced from diverse healthcare facilities across India. The AI system…