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Detection, tracking, and pose estimation of surgical instruments are crucial tasks for computer assistance during minimally invasive robotic surgery. In the majority of cases, the first step is the automatic segmentation of surgical tools.…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Daniil Pakhomov , Vittal Premachandran , Max Allan , Mahdi Azizian , Nassir Navab

The high prevalence of spinal stenosis results in a large volume of MRI imaging, yet interpretation can be time-consuming with high inter-reader variability even among the most specialized radiologists. In this paper, we develop an…

The detection of new multiple sclerosis (MS) lesions is an important marker of the evolution of the disease. The applicability of learning-based methods could automate this task efficiently. However, the lack of annotated longitudinal data…

图像与视频处理 · 电气工程与系统科学 2022-06-17 Reda Abdellah Kamraoui , Boris Mansencal , José V Manjon , Pierrick Coupé

Cardiac magnetic resonance imaging (MRI) is a pivotal tool for assessing cardiac function. Precise segmentation of cardiac structures is imperative for accurate cardiac functional evaluation. This paper introduces a semi-supervised model…

图像与视频处理 · 电气工程与系统科学 2024-05-24 Hejun Huang , Zuguo Chen , Yi Huang , Guangqiang Luo , Chaoyang Chen , Youzhi Song

Over the past few years, the rapid development of deep learning technologies for computer vision has significantly improved the performance of medical image segmentation (MedISeg). However, the diverse implementation strategies of various…

计算机视觉与模式识别 · 计算机科学 2023-05-09 Dong Zhang , Yi Lin , Hao Chen , Zhuotao Tian , Xin Yang , Jinhui Tang , Kwang Ting Cheng

Lesion segmentation is an important problem in computer-assisted diagnosis that remains challenging due to the prevalence of low contrast, irregular boundaries that are unamenable to shape priors. We introduce Deep Active Lesion…

图像与视频处理 · 电气工程与系统科学 2020-09-01 Ali Hatamizadeh , Assaf Hoogi , Debleena Sengupta , Wuyue Lu , Brian Wilcox , Daniel Rubin , Demetri Terzopoulos

In this study, a multi-task deep neural network is proposed for skin lesion analysis. The proposed multi-task learning model solves different tasks (e.g., lesion segmentation and two independent binary lesion classifications) at the same…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Xulei Yang , Zeng Zeng , Si Yong Yeo , Colin Tan , Hong Liang Tey , Yi Su

In this work, we tackle the problem of Semi-Supervised Anomaly Segmentation (SAS) in Magnetic Resonance Images (MRI) of the brain, which is the task of automatically identifying pathologies in brain images. Our work challenges the…

图像与视频处理 · 电气工程与系统科学 2023-09-26 Felix Meissen , Georgios Kaissis , Daniel Rueckert

There are considerable interests in automatic stroke lesion segmentation on magnetic resonance (MR) images in the medical imaging field, as stroke is an important cerebrovascular disease. Although deep learning-based models have been…

图像与视频处理 · 电气工程与系统科学 2023-03-07 Weiyi Yu , Zhizhong Huang , Junping Zhang , Hongming Shan

Convolutional Neural Networks (CNNs) have shown remarkable progress in medical image segmentation. However, lesion segmentation remains a challenge to state-of-the-art CNN-based algorithms due to the variance in scales and shapes. On the…

图像与视频处理 · 电气工程与系统科学 2023-05-31 Yanwen Li , Luyang Luo , Huangjing Lin , Pheng-Ann Heng , Hao Chen

Recent randomised clinical trials have shown that patients with ischaemic stroke {due to occlusion of a large intracranial blood vessel} benefit from endovascular thrombectomy. However, predicting outcome of treatment in an individual…

图像与视频处理 · 电气工程与系统科学 2024-12-09 Zeynel A. Samak , Philip Clatworthy , Majid Mirmehdi

Knee arthroscopy is a minimally invasive surgical (MIS) procedure which is performed to treat knee-joint ailment. Lack of visual information of the surgical site obtained from miniaturized cameras make this surgical procedure more complex.…

图像与视频处理 · 电气工程与系统科学 2024-09-04 Shahnewaz Ali , Yaqub Jonmohamadi , Yu Takeda , Jonathan Roberts , Ross Crawford , Cameron Brown , Ajay K. Pandey

A stroke occurs when an artery in the brain ruptures and bleeds or when the blood supply to the brain is cut off. Blood and oxygen cannot reach the brain's tissues due to the rupture or obstruction resulting in tissue death. The Middle…

图像与视频处理 · 电气工程与系统科学 2022-05-10 Ujjwal Upadhyay , Mukul Ranjan , Satish Golla , Swetha Tanamala , Preetham Sreenivas , Sasank Chilamkurthy , Jeyaraj Pandian , Jason Tarpley

Multiple sclerosis (MS) lesions occupy a small fraction of the brain volume, and are heterogeneous with regards to shape, size and locations, which poses a great challenge for training deep learning based segmentation models. We proposed a…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Hang Zhang , Jinwei Zhang , Rongguang Wang , Qihao Zhang , Susan A. Gauthier , Pascal Spincemaille , Thanh D. Nguyen , Yi Wang

Segmentation of brain structures in a large dataset of magnetic resonance images (MRI) necessitates automatic segmentation instead of manual tracing. Automatic segmentation methods provide a much-needed alternative to manual segmentation…

图像与视频处理 · 电气工程与系统科学 2020-08-11 Mohammad-Parsa Hosseini , Esmaeil Davoodi , Evangelia Bouzos , Kost Elisevich , Hamid Soltanian-Zadeh

Despite the recent success of deep learning methods at achieving new state-of-the-art accuracy for medical image segmentation, some major limitations are still restricting their deployment into clinics. One major limitation of deep…

图像与视频处理 · 电气工程与系统科学 2023-05-30 Lucas Fidon

Stroke is the second leading cause of death and the third leading cause of disability worldwide. Clinical guidelines establish diffusion resonance imaging (DWI, ADC) as the standard for localizing, characterizing, and measuring infarct…

图像与视频处理 · 电气工程与系统科学 2025-08-27 Edgar Rangel , Fabio Martinez

Despite the high diagnostic accuracy of Magnetic Resonance Imaging (MRI), using MRI as a Point-of-Care (POC) disease identification tool poses significant accessibility challenges due to the use of high magnetic field strength and lengthy…

机器学习 · 计算机科学 2024-06-25 Yuning Du , Rohan Dharmakumar , Sotirios A. Tsaftaris

This paper presents a simple and effective generalization method for magnetic resonance imaging (MRI) segmentation when data is collected from multiple MRI scanning sites and as a consequence is affected by (site-)domain shifts. We propose…

图像与视频处理 · 电气工程与系统科学 2019-10-23 Shahab Aslani , Vittorio Murino , Michael Dayan , Roger Tam , Diego Sona , Ghassan Hamarneh