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Knee osteoarthritis (OA) is the most common osteoarthritis and a leading cause of disability. Cartilage defects are regarded as major manifestations of knee OA, which are visible by magnetic resonance imaging (MRI). Thus early detection and…

图像与视频处理 · 电气工程与系统科学 2022-01-13 Zixu Zhuang , Liping Si , Sheng Wang , Kai Xuan , Xi Ouyang , Yiqiang Zhan , Zhong Xue , Lichi Zhang , Dinggang Shen , Weiwu Yao , Qian Wang

Segmentation of the Left ventricle (LV) is a crucial step for quantitative measurements such as area, volume, and ejection fraction. However, the automatic LV segmentation in 2D echocardiographic images is a challenging task due to…

图像与视频处理 · 电气工程与系统科学 2019-12-24 Shakiba Moradi , Mostafa Ghelich-Oghli , Azin Alizadehasl , Isaac Shiri , Niki Oveisi , Mehrdad Oveisi , Majid Maleki , Jan Dhooge

The objective of this study is to develop a deep-learning based detection and diagnosis technique for carotid atherosclerosis using a portable freehand 3D ultrasound (US) imaging system. A total of 127 3D carotid artery scans were acquired…

图像与视频处理 · 电气工程与系统科学 2023-11-10 Jiawen Li , Yunqian Huang , Sheng Song , Hongbo Chen , Junni Shi , Duo Xu , Haibin Zhang , Man Chen , Rui Zheng

Purpose: An approach for the automated segmentation of visceral adipose tissue (VAT) and subcutaneous adipose tissue (SAT) in multicenter water-fat MRI scans of the abdomen was investigated, using two different neural network architectures.…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Taro Langner , Anders Hedström , Katharina Mörwald , Daniel Weghuber , Anders Forslund , Peter Bergsten , Håkan Ahlström , Joel Kullberg

Intervertebral discs (IVDs), as small joints lying between adjacent vertebrae, have played an important role in pressure buffering and tissue protection. The fully-automatic localization and segmentation of IVDs have been discussed in the…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Chuanbo Wang , Ye Guo , Wei Chen , Zeyun Yu

Convolutional neural networks (CNNs) are increasingly being used to automate segmentation of organs-at-risk in radiotherapy. Since large sets of highly curated data are scarce, we investigated how much data is required to train accurate and…

计算机视觉与模式识别 · 计算机科学 2023-03-31 Edward G. A. Henderson , Marcel van Herk , Eliana M. Vasquez Osorio

Non-invasive detection of cardiovascular disorders from radiology scans requires quantitative image analysis of the heart and its substructures. There are well-established measurements that radiologists use for diseases assessment such as…

机器学习 · 统计学 2017-08-04 Aliasghar Mortazi , Jeremy Burt , Ulas Bagci

Purpose: Manual medical image segmentation is an exhausting and time-consuming task along with high inter-observer variability. In this study, our objective is to improve the multi-resolution image segmentation performance of U-Net…

图像与视频处理 · 电气工程与系统科学 2020-07-20 Simindokht Jahangard , Mohammad Hossein Zangooei , Maysam Shahedi

The purpose of this work is to develop a deep learning-based method for knee menisci segmentation in 3D ultrashort echo time (UTE) cones magnetic resonance (MR) imaging, and to automatically determine MR relaxation times, namely the T1,…

图像与视频处理 · 电气工程与系统科学 2019-08-06 Michal Byra , Mei Wu , Xiaodong Zhang , Hyungseok Jang , Ya-Jun Ma , Eric Y Chang , Sameer Shah , Jiang Du

Automatic pancreas segmentation in radiology images, eg., computed tomography (CT) and magnetic resonance imaging (MRI), is frequently required by computer-aided screening, diagnosis, and quantitative assessment. Yet pancreas is a…

计算机视觉与模式识别 · 计算机科学 2018-04-02 Jinzheng Cai , Le Lu , Fuyong Xing , Lin Yang

We propose an image-based cellular contractile force evaluation method using a machine learning technique. We use a special substrate that exhibits wrinkles when cells grab the substrate and contract, and the wrinkles can be used to…

生物物理 · 物理学 2019-08-26 Li Honghan , Daiki Matsunaga , Tsubasa S. Matsui , Hiroki Aosaki , Shinji Deguchi

Radiation therapy (RT) is widely employed in the clinic for the treatment of head and neck (HaN) cancers. An essential step of RT planning is the accurate segmentation of various organs-at-risks (OARs) in HaN CT images. Nevertheless,…

图像与视频处理 · 电气工程与系统科学 2021-09-28 Zijie Chen , Cheng Li , Junjun He , Jin Ye , Diping Song , Shanshan Wang , Lixu Gu , Yu Qiao

Automatic identification of brain lesions from magnetic resonance imaging (MRI) scans of stroke survivors would be a useful aid in patient diagnosis and treatment planning. We propose a multi-modal multi-path convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Yunzhe Xue , Fadi G. Farhat , Olga Boukrina , A . M. Barrett , Jeffrey R. Binder , Usman W. Roshan , William W. Graves

Organ segmentation in CT volumes is an important pre-processing step in many computer assisted intervention and diagnosis methods. In recent years, convolutional neural networks have dominated the state of the art in this task. However,…

图像与视频处理 · 电气工程与系统科学 2020-08-25 Roger D. Soberanis-Mukul , Nassir Navab , Shadi Albarqouni

Convolutional neural networks like U-Net excel in medical image segmentation, while attention mechanisms and KAN enhance feature extraction. Meta's SAM 2 uses Vision Transformers for prompt-based segmentation without fine-tuning. However,…

图像与视频处理 · 电气工程与系统科学 2025-04-08 Mengyuan Liu , Yixiao Chen , Anning Tian , Xinmeng Wu , Mozhi Shen , Tianchou Gong , Jeongkyu Lee

The automatic segmentation of retinal layer structures enables clinically-relevant quantification and monitoring of eye disorders over time in OCT imaging. Eyes with late-stage diseases are particularly challenging to segment, as their…

计算机视觉与模式识别 · 计算机科学 2017-07-18 Stefanos Apostolopoulos , Sandro De Zanet , Carlos Ciller , Sebastian Wolf , Raphael Sznitman

The anatomical location of imaging features is of crucial importance for accurate diagnosis in many medical tasks. Convolutional neural networks (CNN) have had huge successes in computer vision, but they lack the natural ability to…

In this paper, we present a deep learning-based image processing technique for extraction of bone structures in chest radiographs using a U-Net FCNN. The U-Net was trained to accomplish the task in a fully supervised setting. To create the…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Ophir Gozes , Hayit Greenspan

Convolutional networks have become state-of-the-art techniques for automatic medical image analysis, with the U-net architecture being the most popular at this moment. In this article we report the application of a 3D version of U-net to…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Germonda Mooij , Ines Bagulho , Henkjan Huisman

This paper presents a method for automatic segmentation, localization, and identification of vertebrae in arbitrary 3D CT images. Many previous works do not perform the three tasks simultaneously even though requiring a priori knowledge of…

图像与视频处理 · 电气工程与系统科学 2020-10-01 Naoto Masuzawa , Yoshiro Kitamura , Keigo Nakamura , Satoshi Iizuka , Edgar Simo-Serra