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Medical treatments often involve a sequence of decisions, each informed by previous outcomes. This process closely aligns with reinforcement learning (RL), a framework for optimizing sequential decisions to maximize cumulative rewards under…

机器学习 · 计算机科学 2024-10-15 Ali Shirali , Alexander Schubert , Ahmed Alaa

Phacoemulsification cataract surgery (PCS) is a routine procedure conducted using a surgical microscope, heavily reliant on the skill of the ophthalmologist. While existing PCS guidance systems extract valuable information from surgical…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Puxun Tu , Hongfei Ye , Haochen Shi , Jeff Young , Meng Xie , Peiquan Zhao , Ce Zheng , Xiaoyi Jiang , Xiaojun Chen

Cardiac ultrasound (US) scanning is a commonly used techniques in cardiology to diagnose the health of the heart and its proper functioning. Therefore, it is necessary to consider ways to automate these tasks and assist medical…

To perform a precise auscultation for the purposes of examination of respiratory system normally requires the presence of an experienced doctor. With most recent advances in machine learning and artificial intelligence, automatic detection…

Ultrasound (US) imaging provides a safe and accessible solution to procedural guidance and diagnostic imaging. The effective usage of conventional 2D US for interventional guidance requires extensive experience to project the image plane…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Kian Wei Ng , Yujia Gao , Shaheryar Mohammed Furqan , Zachery Yeo , Joel Lau , Kee Yuan Ngiam , Eng Tat Khoo

Medical ultrasound has become a routine examination approach nowadays and is widely adopted for different medical applications, so it is desired to have a robotic ultrasound system to perform the ultrasound scanning autonomously. However,…

机器人学 · 计算机科学 2023-07-27 Xutian Deng , Yiting Chen , Fei Chen , Miao Li

Finding point-level correspondences is a fundamental problem in ultrasound (US), since it can enable US landmark tracking for intraoperative image guidance in different surgeries, including head and neck. Most existing US tracking methods,…

计算机视觉与模式识别 · 计算机科学 2024-08-01 Wanwen Chen , Adam Schmidt , Eitan Prisman , Septimiu E Salcudean

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

Computed Tomography (CT) takes X-ray measurements on the subjects to reconstruct tomographic images. As X-ray is radioactive, it is desirable to control the total amount of dose of X-ray for safety concerns. Therefore, we can only select a…

医学物理 · 物理学 2021-09-15 Ziju Shen , Yufei Wang , Dufan Wu , Xu Yang , Bin Dong

Motivation: Medical image analysis involves tasks to assist physicians in qualitative and quantitative analysis of lesions or anatomical structures, significantly improving the accuracy and reliability of diagnosis and prognosis.…

计算机视觉与模式识别 · 计算机科学 2022-06-30 Mingzhe Hu , Jiahan Zhang , Luke Matkovic , Tian Liu , Xiaofeng Yang

Ultrasound (US) is one of the most widely used modalities for clinical intervention and diagnosis due to the merits of providing non-invasive, radiation-free, and real-time images. However, free-hand US examinations are highly…

机器人学 · 计算机科学 2023-08-09 Zhongliang Jiang , Septimiu E. Salcudean , Nassir Navab

Most applications of deep learning techniques in medical imaging are supervised and require a large number of labeled data which is expensive and requires many hours of careful annotation by experts. In this paper, we propose an…

This paper presents a novel ultrasound imaging point-of-care (PoC) COVID-19 diagnostic system. The adaptive visual diagnostics utilize few-shot learning (FSL) to generate encoded disease state models that are stored and classified using a…

图像与视频处理 · 电气工程与系统科学 2021-09-09 Michael Karnes , Shehan Perera , Srikar Adhikari , Alper Yilmaz

Robotic ultrasound (US) has recently attracted increasing attention as a means to overcome the limitations of conventional US examinations, such as the strong operator dependence. However, the decision-making process of existing methods is…

机器人学 · 计算机科学 2026-03-03 Dianye Huang , Ziping Cong , Nassir Navab , Zhongliang Jiang

With the rapid development of COVID-19 into a global pandemic, there is an ever more urgent need for cheap, fast and reliable tools that can assist physicians in diagnosing COVID-19. Medical imaging such as CT can take a key role in…

图像与视频处理 · 电气工程与系统科学 2021-01-26 Jannis Born , Gabriel Brändle , Manuel Cossio , Marion Disdier , Julie Goulet , Jérémie Roulin , Nina Wiedemann

Intro: Vocal cord ultrasound (VCUS) has emerged as a less invasive and better tolerated examination technique, but its accuracy is operator dependent. This research aims to apply a machine learning-assisted algorithm to automatically…

As the global population continues to face significant negative impact by the on-going COVID-19 pandemic, there has been an increasing usage of point-of-care ultrasound (POCUS) imaging as a low-cost and effective imaging modality of choice…

图像与视频处理 · 电气工程与系统科学 2022-05-02 E. Zhixuan Zeng , Adrian Florea , Alexander Wong

As a subfield of machine learning, reinforcement learning (RL) aims at empowering one's capabilities in behavioural decision making by using interaction experience with the world and an evaluative feedback. Unlike traditional supervised…

机器学习 · 计算机科学 2020-04-27 Chao Yu , Jiming Liu , Shamim Nemati

Ultrasound is an adjunct tool to mammography that can quickly and safely aid physicians with diagnosing breast abnormalities. Clinical ultrasound often assumes a constant sound speed to form B-mode images for diagnosis. However, the various…

计算机视觉与模式识别 · 计算机科学 2023-02-08 Walter A. Simson , Magdalini Paschali , Vasiliki Sideri-Lampretsa , Nassir Navab , Jeremy J. Dahl

Our aim is to establish a framework where reinforcement learning (RL) of optimizing interventions retrospectively allows us a regulatory compliant pathway to prospective clinical testing of the learned policies in a clinical deployment. We…

机器学习 · 计算机科学 2020-03-20 Luchen Li , Ignacio Albert-Smet , Aldo A. Faisal