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相关论文: Automated femur segmentation from computed tomogra…

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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…

Magnetic resonance imaging (MRI) has been proposed as a complimentary method to measure bone quality and assess fracture risk. However, manual segmentation of MR images of bone is time-consuming, limiting the use of MRI measurements in the…

计算机视觉与模式识别 · 计算机科学 2019-02-06 Cem M. Deniz , Siyuan Xiang , Spencer Hallyburton , Arakua Welbeck , James S. Babb , Stephen Honig , Kyunghyun Cho , Gregory Chang

Purpose: Proximal femur image analyses based on quantitative computed tomography (QCT) provide a method to quantify the bone density and evaluate osteoporosis and risk of fracture. We aim to develop a deep-learning-based method for…

Automatic CT segmentation of proximal femur is crucial for the diagnosis and risk stratification of orthopedic diseases; however, current methods for the femur CT segmentation mainly rely on manual interactive segmentation, which is…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Yu Deng , Ling Wang , Chen Zhao , Shaojie Tang , Xiaoguang Cheng , Hong-Wen Deng , Weihua Zhou

In this work it is proposed a medical image segmentation pipeline for accurate bone segmentation from CT imaging. It is a two-step methodology, with a pre-segmentation step and a segmentation refinement step. First, the user performs a…

医学物理 · 物理学 2015-05-13 Manuel Pinheiro , J. L. Alves

Quantitative computed tomography (QCT) plays a crucial role in assessing bone strength and fracture risk by enabling volumetric analysis of bone density distribution in the proximal femur. However, deploying automated segmentation models in…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Rochak Dhakal , Chen Zhao , Zixin Shi , Joyce H. Keyak , Tadashi S. Kaneko , Kuan-Jui Su , Hui Shen , Hong-Wen Deng , Weihua Zhou

For compression fracture detection and evaluation, an automatic X-ray image segmentation technique that combines deep-learning and level-set methods is proposed. Automatic segmentation is much more difficult for X-ray images than for CT or…

医学物理 · 物理学 2019-04-17 Kang Cheol Kim , Hyun Cheol Cho , Tae Jun Jang , Jong Mun Choi , Jin Keun Seo

In medical image analysis, automated segmentation of multi-component anatomical structures, which often have a spectrum of potential anomalies and pathologies, is a challenging task. In this work, we develop a multi-step approach using…

图像与视频处理 · 电气工程与系统科学 2022-12-02 Boyeong Woo , Craig Engstrom , William Baresic , Jurgen Fripp , Stuart Crozier , Shekhar S. Chandra

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

Osteoporosis induced fractures occur worldwide about every 3 seconds. Vertebral compression fractures are early signs of the disease and considered risk predictors for secondary osteoporotic fractures. We present a detection method to…

图像与视频处理 · 电气工程与系统科学 2019-11-06 Joeri Nicolaes , Steven Raeymaeckers , David Robben , Guido Wilms , Dirk Vandermeulen , Cesar Libanati , Marc Debois

There has been a significant increase from 2010 to 2016 in the number of people suffering from spine problems. The automatic image segmentation of the spine obtained from a computed tomography (CT) image is important for diagnosing spine…

计算机视觉与模式识别 · 计算机科学 2017-12-06 Malinda Vania , Dawit Mureja , Deukhee Lee

An osteoporosis-related fracture occurs every three seconds worldwide, affecting one in three women and one in five men aged over 50. The early detection of at-risk patients facilitates effective and well-evidenced preventative…

图像与视频处理 · 电气工程与系统科学 2020-10-09 David Chettrit , Tomer Meir , Hila Lebel , Mila Orlovsky , Ronen Gordon , Ayelet Akselrod-Ballin , Amir Bar

Knee osteoarthritis is a degenerative joint disease that induces chronic pain and disability. Bone morphological analysis is a promising tool to understand the mechanical aspect of this disorder. This study proposes a 2D bone morphological…

图像与视频处理 · 电气工程与系统科学 2024-03-14 Yun Xin Teoh , Alice Othmani , Siew Li Goh , Juliana Usman , Khin Wee Lai

Image segmentation in total knee arthroplasty is crucial for precise preoperative planning and accurate implant positioning, leading to improved surgical outcomes and patient satisfaction. The biggest challenges of image segmentation in…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Viet Dung Nguyen , Michael T. LaCour , Richard D. Komistek

Osteoporosis is a common disease that increases fracture risk. Hip fractures, especially in elderly people, lead to increased morbidity, decreased quality of life and increased mortality. Being a silent disease before fracture, osteoporosis…

计算机视觉与模式识别 · 计算机科学 2022-10-07 Lars Schmarje , Stefan Reinhold , Timo Damm , Eric Orwoll , Claus-C. Glüer , Reinhard Koch

Knee Osteoarthritis (KOA) is the third most prevalent Musculoskeletal Disorder (MSD) after neck and back pain. To monitor such a severe MSD, a segmentation map of the femur, tibia and tibiofemoral cartilage is usually accessed using the…

图像与视频处理 · 电气工程与系统科学 2024-01-24 Akshay Daydar , Alik Pramanick , Arijit Sur , Subramani Kanagaraj

Foot ulcer is a common complication of diabetes mellitus and, associated with substantial morbidity and mortality, remains a major risk factor for lower leg amputations. Extracting accurate morphological features from foot wounds is crucial…

图像与视频处理 · 电气工程与系统科学 2022-06-20 Amirreza Mahbod , Gerald Schaefer , Rupert Ecker , Isabella Ellinger

The presence of a vertebral compression fracture is highly indicative of osteoporosis and represents the single most robust predictor for development of a second osteoporotic fracture in the spine or elsewhere. Less than one third of…

计算机视觉与模式识别 · 计算机科学 2017-06-07 Amir Bar , Lior Wolf , Orna Bergman Amitai , Eyal Toledano , Eldad Elnekave

Osteoporosis is a widespread and chronic metabolic bone disease that often remains undiagnosed and untreated due to limited access to bone mineral density (BMD) tests like Dual-energy X-ray absorptiometry (DXA). In response to this…

图像与视频处理 · 电气工程与系统科学 2024-12-10 Ung Hwang , Chang-Hun Lee , Kijung Yoon

Purpose: Bone metastasis have a major impact on the quality of life of patients and they are diverse in terms of size and location, making their segmentation complex. Manual segmentation is time-consuming, and expert segmentations are…

图像与视频处理 · 电气工程与系统科学 2024-09-18 Emile Saillard , Aurélie Levillain , David Mitton , Jean-Baptiste Pialat , Cyrille Confavreux , Hélène Follet , Thomas Grenier
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