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In robot-assisted Fenestrated Endovascular Aortic Repair (FEVAR), accurate alignment of stent graft fenestrations or scallops with aortic branches is essential for establishing complete blood flow perfusion. Current navigation is largely…

计算机视觉与模式识别 · 计算机科学 2020-09-02 Jian-Qing Zheng , Xiao-Yun Zhou , Guang-Zhong Yang

Robot-assisted deployment of fenestrated stent grafts in Fenestrated Endovascular Aortic Repair (FEVAR) requires accurate geometrical alignment. Currently, this process is guided by 2D fluoroscopy, which is uninformative and error prone. In…

机器人学 · 计算机科学 2018-09-12 Xiao-Yun Zhou , Jianyu Lin , Celia Riga , Guang-Zhong Yang , Su-Lin Lee

Pre-operative Abdominal Aortic Aneurysm (AAA) 3D shape is critical for customized stent-graft design in Fenestrated Endovascular Aortic Repair (FEVAR). Traditional segmentation approaches implement expert-designed feature extractors while…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Jian-Qing Zheng , Xiao-Yun Zhou , Qing-Biao Li , Celia Riga , Guang-Zhong Yang

The current standard of intra-operative navigation during Fenestrated Endovascular Aortic Repair (FEVAR) calls for need of 3D alignments between inserted devices and aortic branches. The navigation commonly via 2D fluoroscopic images, lacks…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Jian-Qing Zheng , Xiao-Yun Zhou , Celia Riga , Guang-Zhong Yang

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

3D shape instantiation which reconstructs the 3D shape of a target from limited 2D images or projections is an emerging technique for surgical intervention. It improves the currently less-informative and insufficient 2D navigation schemes…

图像与视频处理 · 电气工程与系统科学 2019-09-20 Zhao-Yang Wang , Xiao-Yun Zhou , Peichao Li , Celia Riga , Guang-Zhong Yang

Deep learning approaches have achieved state-of-the-art performance in cardiac magnetic resonance (CMR) image segmentation. However, most approaches have focused on learning image intensity features for segmentation, whereas the…

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

Fine-grained 3D shape classification is important for shape understanding and analysis, which poses a challenging research problem. However, the studies on the fine-grained 3D shape classification have rarely been explored, due to the lack…

计算机视觉与模式识别 · 计算机科学 2021-02-03 Xinhai Liu , Zhizhong Han , Yu-Shen Liu , Matthias Zwicker

Fetal pose estimation in 3D ultrasound (US) involves identifying a set of associated fetal anatomical landmarks. Its primary objective is to provide comprehensive information about the fetus through landmark connections, thus benefiting…

图像与视频处理 · 电气工程与系统科学 2023-10-31 Chaoyu Chen , Xin Yang , Yuhao Huang , Wenlong Shi , Yan Cao , Mingyuan Luo , Xindi Hu , Lei Zhue , Lequan Yu , Kejuan Yue , Yuanji Zhang , Yi Xiong , Dong Ni , Weijun Huang

In this paper, we focus on category-level 6D pose and size estimation from monocular RGB-D image. Previous methods suffer from inefficient category-level pose feature extraction which leads to low accuracy and inference speed. To tackle…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Wei Chen , Xi Jia , Hyung Jin Chang , Jinming Duan , Linlin Shen , Ales Leonardis

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

Accurate segmentation of organ at risk (OAR) play a critical role in the treatment planning of image guided radiation treatment of head and neck cancer. This segmentation task is challenging for both human and automatic algorithms because…

计算机视觉与模式识别 · 计算机科学 2019-10-14 Yueyue Wang , Liang Zhao , Zhijian Song , Manning Wang

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

Craniofacial anomalies indicate early developmental disturbances and are usually linked to many genetic syndromes. Early diagnosis is critical, yet ultrasound (US) examinations often fail to identify these features. This study presents an…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Antonia Alomar , Ricardo Rubio , Laura Salort , Gerard Albaiges , Antoni Payà , Gemma Piella , Federico Sukno

Following the successful application of the U-Net to medical images, there have been different encoder-decoder models proposed as an improvement to the original U-Net for segmenting echocardiographic images. This study aims to examine the…

图像与视频处理 · 电气工程与系统科学 2020-03-18 Neda Azarmehr , Xujiong Ye , Faraz Janan , James P Howard , Darrel P Francis , Massoud Zolgharni

We propose a fully 3D multi-path convolutional network to predict stroke lesions from 3D brain MRI images. Our multi-path model has independent encoders for different modalities containing residual convolutional blocks, weighted multi-path…

图像与视频处理 · 电气工程与系统科学 2019-11-19 Yunzhe Xue , Meiyan Xie , Fadi G. Farhat , Olga Boukrina , A. M. Barrett , Jeffrey R. Binder , Usman W. Roshan , William W. Graves

Accurate representation of tooth position is extremely important in treatment. 3D dental image segmentation is a widely used method, however labelled 3D dental datasets are a scarce resource, leading to the problem of small samples that…

图像与视频处理 · 电气工程与系统科学 2024-02-29 Yifu Zhang , Zuozhu Liu , Yang Feng , Renjing Xu

Breast ultrasound (BUS) image segmentation plays a crucial role in a computer-aided diagnosis system, which is regarded as a useful tool to help increase the accuracy of breast cancer diagnosis. Recently, many deep learning methods have…

图像与视频处理 · 电气工程与系统科学 2020-03-24 Zhenyuan Ning , Ke Wang , Shengzhou Zhong , Qianjin Feng , Yu Zhang
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