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This contribution presents a concept to dynamic fracture with continuum-kinematics-based peridynamics. Continuum-kinematics-based peridynamics is a geometrically exact formulation of peridynamics, which adds surface- or volumetric-based…

计算工程、金融与科学 · 计算机科学 2022-09-21 Kai Friebertshäuser , Christian Wieners , Kerstin Weinberg

We present a novel methodology that combines graph and dense segmentation techniques by jointly learning both point and pixel contour representations, thereby leveraging the benefits of each approach. This addresses deficiencies in typical…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Kit Mills Bransby , Greg Slabaugh , Christos Bourantas , Qianni Zhang

Integrating high-level semantically correlated contents and low-level anatomical features is of central importance in medical image segmentation. Towards this end, recent deep learning-based medical segmentation methods have shown great…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Chenyu You , Weicheng Dai , Yifei Min , Lawrence Staib , James S. Duncan

Segmenting both bone surface and the corresponding acoustic shadow are fundamental tasks in ultrasound (US) guided orthopedic procedures. However, these tasks are challenging due to minimal and blurred bone surface response in US images,…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Aimon Rahman , Jeya Maria Jose Valanarasu , Ilker Hacihaliloglu , Vishal M Patel

Fractures form the main pathways for flow in the subsurface within low-permeability rock. For this reason, accurately predicting flow and transport in fractured systems is vital for improving the performance of subsurface applications.…

计算物理 · 物理学 2018-03-14 S. Karra , D. O'Malley , J. D. Hyman , H. S. Viswanathan , G. Srinivasan

Accurate detection and segmentation of anatomical structures from ultrasound images are crucial for clinical diagnosis and biometric measurements. Although ultrasound imaging has been widely used with superiorities such as low cost and…

计算机视觉与模式识别 · 计算机科学 2016-07-08 Hao Chen , Yefeng Zheng , Jin-Hyeong Park , Pheng-Ann Heng , S. Kevin Zhou

Nowadays, pre-trained encoders are widely used in medical image segmentation due to their strong capability in extracting rich and generalized feature representations. However, existing methods often fail to fully leverage these features,…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Xiaolin Gou , Chuanlin Liao , Jizhe Zhou , Fengshuo Ye , Yi Lin

Understanding intertrochanteric fracture distribution is an important topic in orthopaedics due to its high morbidity and mortality. The intertrochanteric fracture can contain high-dimensional information including complicated 3D fracture…

定量方法 · 定量生物学 2018-10-16 Yucheng Fu , Rong Liu , Yang Liu , Jiawei Lu

The present work investigates the segmentation of textures by formulating it as a strongly convex optimization problem, aiming to favor piecewise constancy of fractal features (local variance and local regularity) widely used to model…

最优化与控制 · 数学 2021-04-19 Barbara Pascal , Nelly Pustelnik , Patrice Abry

Automated CT report generation plays a crucial role in improving diagnostic accuracy and clinical workflow efficiency. However, existing methods lack interpretability and impede patient-clinician understanding, while their static nature…

图像与视频处理 · 电气工程与系统科学 2025-03-06 Yannian Gu , Wenhui Lei , Hanyu Chen , Xiaofan Zhang , Shaoting Zhang

Choosing how to encode a real-world problem as a machine learning task is an important design decision in machine learning. The task of glacier calving front modeling has often been approached as a semantic segmentation task. Recent studies…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Konrad Heidler , Lichao Mou , Erik Loebel , Mirko Scheinert , Sébastien Lefèvre , Xiao Xiang Zhu

The world is covered with millions of buildings, and precisely knowing each instance's position and extents is vital to a multitude of applications. Recently, automated building footprint segmentation models have shown superior detection…

计算机视觉与模式识别 · 计算机科学 2018-03-19 Diego Marcos , Devis Tuia , Benjamin Kellenberger , Lisa Zhang , Min Bai , Renjie Liao , Raquel Urtasun

Osteoporosis is a common condition that increases fracture risk, especially in older adults. Early diagnosis is vital for preventing fractures, reducing treatment costs, and preserving mobility. However, healthcare providers face challenges…

Many deep learning based automated medical image segmentation systems, in reality, face difficulties in deployment due to the cost of massive data annotation and high latency in model iteration. We propose a dynamic interactive learning…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Mu Tian , Xiaohui Chen , Yi Gao

The precise and accurate segmentation of the vertebral column is essential in the diagnosis and treatment of various orthopedic, neurological, and oncological traumas and pathologies. Segmentation is especially challenging in the presence…

计算机视觉与模式识别 · 计算机科学 2016-01-14 Yinong Wang , Jianhua Yao , Holger R. Roth , Joseph E. Burns , Ronald M. Summers

The assessment of the blood volume is crucial for the management of many acute and chronic diseases. Recent studies have shown that circulating blood volume correlates with the cross-sectional area (CSA) of the internal jugular vein (IJV)…

图像与视频处理 · 电气工程与系统科学 2018-03-15 Ebrahim Karami , Mohamed Shehata , Peter McGuire , Andrew Smith

Biomedical image segmentation is a critical task in medical diagnosis and treatment planning, enabling precise delineation of anatomical structures and pathological regions. Despite significant advancements, challenges persist due to the…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Joao Batista Florindo , Amanda Pontes de Oliveira Ornelas

There are many unsolved problems in vascular image segmentation, including vascular structural connectivity, scarce branches and missing small vessels. Obtaining vessels that preserve their correct topological structures is currently a…

图像与视频处理 · 电气工程与系统科学 2023-12-14 Yuntao Zhu , Yuxuan Qiao , Xiaoping Yang

We propose a novel guided interactive segmentation (GIS) algorithm for video objects to improve the segmentation accuracy and reduce the interaction time. First, we design the reliability-based attention module to analyze the reliability of…

计算机视觉与模式识别 · 计算机科学 2021-04-22 Yuk Heo , Yeong Jun Koh , Chang-Su Kim

This paper introduces an Algebraic MultiScale method for simulation of flow in heterogeneous porous media with embedded discrete Fractures (F-AMS). First, multiscale coarse grids are independently constructed for both porous matrix and…

数值分析 · 数学 2017-05-17 Matei Tene , Mohammed Saad Al Kobaisi , Hadi Hajibeygi