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The accurate segmentation of organs-at-risk (OARs) in head and neck CT images is a critical step for radiation therapy of head and neck cancer patients. However, manual delineation for numerous OARs is time-consuming and laborious, even for…

图像与视频处理 · 电气工程与系统科学 2021-10-26 Shuai Wang , Theodore Yanagihara , Bhishamjit Chera , Colette Shen , Pew-Thian Yap , Jun Lian

Manual or automatic delineation of the esophageal tumor in CT images is known to be very challenging. This is due to the low contrast between the tumor and adjacent tissues, the anatomical variation of the esophagus, as well as the…

Accurately registering breast MR images from different time points enables the alignment of anatomical structures and tracking of tumor progression, supporting more effective breast cancer detection, diagnosis, and treatment planning.…

图像与视频处理 · 电气工程与系统科学 2026-01-01 Yaqian Chen , Hanxue Gu , Haoyu Dong , Qihang Li , Yuwen Chen , Nicholas Konz , Lin Li , Maciej A. Mazurowski

The objective of this study is the segmentation of the intima-media complex of the common carotid artery, on longitudinal ultrasound images, to measure its thickness. We propose a fully automatic region-based segmentation method, involving…

图像与视频处理 · 电气工程与系统科学 2022-01-31 Nolann Lainé , Guillaume Zahnd , Herv é Liebgott , Maciej Orkisz

Assessing the severity of rheumatoid arthritis (RA) using the Total Sharp/Van Der Heijde Score (TSS) is crucial, but manual scoring is often time-consuming and subjective. This study introduces an Automated Radiographic Sharp Scoring…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Hajar Moradmand , Lei Ren

Tubular structure segmentation in medical images, e.g., segmenting vessels in CT scans, serves as a vital step in the use of computers to aid in screening early stages of related diseases. But automatic tubular structure segmentation in CT…

计算机视觉与模式识别 · 计算机科学 2019-12-10 Yan Wang , Xu Wei , Fengze Liu , Jieneng Chen , Yuyin Zhou , Wei Shen , Elliot K. Fishman , Alan L. Yuille

AI-assisted surgeries have drawn the attention of the medical image research community due to their real-world impact on improving surgery success rates. For image-guided surgeries, such as Cochlear Implants (CIs), accurate object…

图像与视频处理 · 电气工程与系统科学 2023-02-17 Yike Zhang , Jack Noble

Vascular graphs can embed a number of high-level features, from morphological parameters, to functional biomarkers, and represent an invaluable tool for longitudinal and cross-sectional clinical inference. This, however, is only feasible…

计算机视觉与模式识别 · 计算机科学 2018-09-17 Stefano Moriconi , Maria A. Zuluaga , H. Rolf Jager , Parashkev Nachev , Sebastien Ourselin , M. Jorge Cardoso

In brain tumor diagnosis and surgical planning, segmentation of tumor regions and accurate analysis of surrounding normal tissues are necessary for physicians. Pathological variability often renders difficulty to register a well-labeled…

图像与视频处理 · 电气工程与系统科学 2020-07-13 Zhongqiang Liu

Accurate and robust whole heart substructure segmentation is crucial in developing clinical applications, such as computer-aided diagnosis and computer-aided surgery. However, segmentation of different heart substructures is challenging…

图像与视频处理 · 电气工程与系统科学 2021-02-04 Tarun Kanti Ghosh , Md. Kamrul Hasan , Shidhartho Roy , Md. Ashraful Alam , Eklas Hossain , Mohiuddin Ahmad

Non-rigid alignment of point clouds is crucial for scene understanding, reconstruction, and various computer vision and robotics tasks. Recent advancements in implicit deformation networks for non-rigid registration have significantly…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Mingyang Zhao , Gaofeng Meng , Dong-Ming Yan

In this work we present a method of automatic segmentation of defective skulls for custom cranial implant design and 3D printing purposes. Since such tissue models are usually required in patient cases with complex anatomical defects and…

图像与视频处理 · 电气工程与系统科学 2020-11-05 Oldřich Kodym , Michal Španěl , Adam Herout

Recently, joint registration and segmentation has been formulated in a deep learning setting, by the definition of joint loss functions. In this work, we investigate joining these tasks at the architectural level. We propose a registration…

图像与视频处理 · 电气工程与系统科学 2020-04-20 Laurens Beljaards , Mohamed S. Elmahdy , Fons Verbeek , Marius Staring

Deformable image registration, estimating the spatial transformation between different images, is an important task in medical imaging. Many previous studies have used learning-based methods for multi-stage registration to perform 3D image…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jian-Qing Zheng , Ziyang Wang , Baoru Huang , Ngee Han Lim , Tonia Vincent , Bartlomiej W. Papiez

In computer- and robot-assisted orthopedic surgery (CAOS), patient-specific surgical plans derived from preoperative imaging define target locations and implant trajectories. During surgery, these plans must be accurately transferred,…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Luohong Wu , Matthias Seibold , Nicola A. Cavalcanti , Yunke Ao , Roman Flepp , Aidana Massalimova , Lilian Calvet , Philipp Fürnstahl

Ultrasound (US) imaging is widely employed for diagnosis and staging of peripheral vascular diseases (PVD), mainly due to its high availability and the fact it does not emit radiation. However, high inter-operator variability and a lack of…

A renewed interest in upright therapy is currently driven by the availability of upright positioning and imaging systems. Aside from reduced cost, upright positioning possibly provides clinical advantages. The comparison between upright and…

医学物理 · 物理学 2024-06-18 M. C. Martire , L. Volz , C. Galeone , M. Durante , M. Pankuch , C. Graeff

Dense surface registration of three-dimensional (3D) human facial images holds great potential for studies of human trait diversity, disease genetics, and forensics. Non-rigid registration is particularly useful for establishing dense…

计算机视觉与模式识别 · 计算机科学 2012-12-21 Jianya Guo , Xi Mei , Kun Tang

Convolutional neural networks (CNNs) have recently proven their excellent ability to segment 2D cardiac ultrasound images. However, the majority of attempts to perform full-sequence segmentation of cardiac ultrasound videos either rely on…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Phi Nguyen Van , Hieu Pham Huy , Long Tran Quoc

Intraoperative Cone Beam Computed Tomography (CBCT) provides a reliable 3D anatomical context essential for interventional planning. However, its static nature fails to provide continuous monitoring of soft-tissue deformations induced by…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Feng Li , Ziyuan Li , Zhongliang Jiang , Nassir Navab , Yuan Bi