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While medical image segmentation is an important task for computer aided diagnosis, the high expertise requirement for pixelwise manual annotations makes it a challenging and time consuming task. Since conventional data augmentations do not…

图像与视频处理 · 电气工程与系统科学 2021-06-21 Dwarikanath Mahapatra , Ankur Singh

The incidence of vertebral fragility fracture is increased by the presence of preexisting pathologies such as metastatic disease. Computational tools could support the fracture prediction and consequently the decision of the best medical…

计算工程、金融与科学 · 计算机科学 2024-02-16 Chiara Garavelli , Alessandra Aldieri , Marco Palanca , Enrico Dall'Ara , Marco Viceconti

Small liver lesions common to colorectal liver metastases (CRLMs) are challenging for convolutional neural network (CNN) segmentation models, especially when we have a wide range of slice thicknesses in the computed tomography (CT) scans.…

图像与视频处理 · 电气工程与系统科学 2023-08-31 Mohammad Hamghalam , Richard K. G. Do , Amber L. Simpson

Mandible bone segmentation from computed tomography (CT) scans is challenging due to mandible's structural irregularities, complex shape patterns, and lack of contrast in joints. Furthermore, connections of teeth to mandible and mandible to…

计算机视觉与模式识别 · 计算机科学 2017-02-24 Neslisah Torosdagli , Denise K. Liberton , Payal Verma , Murat Sincan Janice Lee , Sumanta Pattanaik , Ulas Bagci

Objective: Vessel-wall-volume (VWV) and localized vessel-wall-thickness (VWT) measured from 3D ultrasound (US) carotid images are sensitive to anti-atherosclerotic effects of medical/dietary treatments. VWV and VWT measurements require the…

图像与视频处理 · 电气工程与系统科学 2021-11-17 Mingjie Jiang , Yuan Zhao , Bernard Chiu

The objective of this paper is to significantly reduce the manual workload required from medical professionals in complex 3D segmentation tasks that cannot be yet fully automated. For instance, in radiotherapy planning, organs at risk must…

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…

计算机视觉与模式识别 · 计算机科学 2021-02-24 Pengcheng Liu , Nathan Hewitt , Waseem Shadid , Andrew Willis

Osteolytic metastases located in the vertebrae reduce strength and enhance the risk of vertebral fractures. This risk can be predicted by means of validated finite element models, but their reproducibility needs to be assessed. For that…

组织与器官 · 定量生物学 2025-03-24 W. Lokbani , V. Allard , T. Broussolle , CY. Barrey , C. B. Confavreux , K. Bruyere , JP. Roux , F. Bermond , H. Follet , D. Mitton

Clinical examination of three-dimensional image data of compound anatomical objects, such as complex joints, remains a tedious process, demanding the time and the expertise of physicians. For instance, automation of the segmentation task of…

图像与视频处理 · 电气工程与系统科学 2021-09-22 Kristina Belikova , Oleg Rogov , Aleksandr Rybakov , Maxim V. Maslov , Dmitry V. Dylov

We introduce a new benchmark dataset, namely VinDr-RibCXR, for automatic segmentation and labeling of individual ribs from chest X-ray (CXR) scans. The VinDr-RibCXR contains 245 CXRs with corresponding ground truth annotations provided by…

图像与视频处理 · 电气工程与系统科学 2021-07-06 Hoang C. Nguyen , Tung T. Le , Hieu H. Pham , Ha Q. Nguyen

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

Segmentation and spatial alignment of ultrasound (US) imaging data acquired in the in first trimester are crucial for monitoring human embryonic growth and development throughout this crucial period of life. Current approaches are either…

图像与视频处理 · 电气工程与系统科学 2023-08-29 W. A. P. Bastiaansen , M. Rousian , R. P. M. Steegers-Theunissen , W. J. Niessen , A. H. J. Koning , S. Klein

The Dice score and Jaccard index are commonly used metrics for the evaluation of segmentation tasks in medical imaging. Convolutional neural networks trained for image segmentation tasks are usually optimized for (weighted) cross-entropy.…

计算机视觉与模式识别 · 计算机科学 2020-10-09 Jeroen Bertels , Tom Eelbode , Maxim Berman , Dirk Vandermeulen , Frederik Maes , Raf Bisschops , Matthew Blaschko

Purpose: Deep learning methods have shown promising results in the segmentation, and detection of diseases in medical images. However, most methods are trained and tested on data from a single source, modality, organ, or disease type,…

图像与视频处理 · 电气工程与系统科学 2025-08-20 Nchongmaje Ndipenocha , Alina Mirona , Kezhi Wanga , Yongmin Li

Purpose Segmentation of the liver from abdominal computed tomography (CT) image is an essential step in some computer assisted clinical interventions, such as surgery planning for living donor liver transplant (LDLT), radiotherapy and…

计算机视觉与模式识别 · 计算机科学 2016-05-11 Fang Lu , Fa Wu , Peijun Hu , Zhiyi Peng , Dexing Kong

Registration is a core component of many imaging pipelines. In case of clinical scans, with lower resolution and sometimes substantial motion artifacts, registration can produce poor results. Visual assessment of registration quality in…

Automatic segmentation of lesions in FDG-18 Whole Body (WB) PET/CT scans using deep learning models is instrumental for determining treatment response, optimizing dosimetry, and advancing theranostic applications in oncology. However, the…

图像与视频处理 · 电气工程与系统科学 2023-11-06 Gowtham Krishnan Murugesan , Diana McCrumb , Eric Brunner , Jithendra Kumar , Rahul Soni , Vasily Grigorash , Stephen Moore , Jeff Van Oss

Deep convolutional neural networks (CNNs) are state-of-the-art for semantic image segmentation, but typically require many labeled training samples. Obtaining 3D segmentations of medical images for supervised training is difficult and labor…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Zhenlin Xu , Marc Niethammer

Magnetic resonance imaging (MRI) of thigh and calf muscles is one of the most effective techniques for estimating fat infiltration into muscular dystrophies. The infiltration of adipose tissue into the diseased muscle region varies in its…

图像与视频处理 · 电气工程与系统科学 2019-10-14 Rula Amer , Jannette Nassar , David Bendahan , Hayit Greenspan , Noam Ben-Eliezer

3D ultrasound imaging shows great promise for scoliosis diagnosis thanks to its low-costing, radiation-free and real-time characteristics. The key to accessing scoliosis by ultrasound imaging is to accurately segment the bone area and…

图像与视频处理 · 电气工程与系统科学 2020-10-09 Zixun Huang , Li-Wen Wang , Frank H. F. Leung , Sunetra Banerjee , De Yang , Timothy Lee , Juan Lyu , Sai Ho Ling , Yong-Ping Zheng