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Related papers: Towards MRI-Based Autonomous Robotic US Acquisitio…

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Three-dimensional (3D) Ultrasound (US) can facilitate diagnosis, treatment planning, and image-guided therapy. However, current studies rarely provide a comprehensive evaluation of volumetric accuracy and reproducibility, highlighting the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Lewis Howell , Manisha Waterston , Tze Min Wah , James H. Chandler , James R. McLaughlan

This work proposes a novel motion guided method for target-less self-calibration of a LiDAR and camera and use the re-projection of LiDAR points onto the image reference frame for real-time depth upsampling. The calibration parameters are…

Computer Vision and Pattern Recognition · Computer Science 2020-07-06 Juan Castorena , Gint Puskorius , Gaurav Pandey

The two-dimensional (2D) ultrasound imaging is widely used in several fields. In this study, the potential of two-dimensional ultrasound imaging technique based on machine learning is shown. A line transmitter was placed at one side and a…

Medical Physics · Physics 2020-04-21 Yoshiki Nagatani , Shigeaki Okumura , Shuqiong Wu , Tetsuya Matsuda

Freehand three-dimensional ultrasound (3D-US) has gained considerable interest in research, but even today suffers from its high inter-operator variability in clinical practice. The high variability mainly arises from tracking inaccuracies…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Rüdiger Göbl , Diana Mateus , Christoph Hennersperger , Maximilian Baust , Nassir Navab

Medical Ultrasound (US) imaging has seen increasing demands over the past years, becoming one of the most preferred imaging modalities in clinical practice due to its affordability, portability, and real-time capabilities. However, it faces…

This paper presents a strategy to guide a mobile ground robot equipped with a camera or depth sensor, in order to autonomously map the visible part of a bounded three-dimensional structure. We describe motion planning algorithms that…

Robotics · Computer Science 2017-11-15 Manikandasriram Srinivasan Ramanagopal , André Phu-Van Nguyen , Jerome Le Ny

Segmentation of the left atrium and deriving its size can help to predict and detect various cardiovascular conditions. Automation of this process in 3D Ultrasound image data is desirable, since manual delineations are time-consuming,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Markus A. Degel , Nassir Navab , Shadi Albarqouni

Retinal surgery is a complex activity that can be challenging for a surgeon to perform effectively and safely. Image guided robot-assisted surgery is one of the promising solutions that bring significant surgical enhancement in treatment…

Magnetic resonance imaging (MRI) has significantly benefited from the resurgence of artificial intelligence (AI). By leveraging AI's capabilities in large-scale optimization and pattern recognition, innovative methods are transforming the…

Image and Video Processing · Electrical Eng. & Systems 2024-07-04 Hongjia Yang , Guanhua Wang , Ziyu Li , Haoxiang Li , Jialan Zheng , Yuxin Hu , Xiaozhi Cao , Congyu Liao , Huihui Ye , Qiyuan Tian

We present a fast learning-based algorithm for deformable, pairwise 3D medical image registration. Current registration methods optimize an objective function independently for each pair of images, which can be time-consuming for large…

Computer Vision and Pattern Recognition · Computer Science 2019-03-14 Guha Balakrishnan , Amy Zhao , Mert R. Sabuncu , John Guttag , Adrian V. Dalca

We present a meta-learning framework for interactive medical image registration. Our proposed framework comprises three components: a learning-based medical image registration algorithm, a form of user interaction that refines registration…

Image and Video Processing · Electrical Eng. & Systems 2022-10-28 Zachary M. C. Baum , Yipeng Hu , Dean Barratt

Ultrasound computed tomography techniques have the potential to provide clinicians with 3D, quantitative and high-resolution information of both soft and hard tissues such as the breast or the adult human brain. Their practical application…

Signal Processing · Electrical Eng. & Systems 2022-05-19 Carlos Cueto , Lluis Guasch , Javier Cudeiro , Oscar Calderon Agudo , Oscar Bates , George Strong , Meng-Xing Tang

Continuum robots have emerged as a promising technology in the medical field due to their potential of accessing deep sited locations of the human body with low surgical trauma. When deriving physics-based models for these robots,…

Robotics · Computer Science 2024-05-27 Matthias K. Hoffmann , Julian Mühlenhoff , Zhaoheng Ding , Thomas Sattel , Kathrin Flaßkamp

Ultrasound (US) imaging is widely used for biometric measurement and diagnosis of internal organs due to the advantages of being real-time and radiation-free. However, due to inter-operator variations, resulting images highly depend on the…

Robotics · Computer Science 2023-11-30 Zhongliang Jiang , Yuan Bi , Mingchuan Zhou , Ying Hu , Michael Burke , Nassir Navab

In this paper we introduce the first reinforcement learning (RL) based robotic navigation method which utilizes ultrasound (US) images as an input. Our approach combines state-of-the-art RL techniques, specifically deep Q-networks (DQN)…

Magnetic resonance (MR) imaging is commonly used in the clinical setting to non-invasively monitor the body. There exists a large variability in MR imaging due to differences in scanner hardware, software, and protocol design. Ideally, a…

Image and Video Processing · Electrical Eng. & Systems 2024-09-02 Savannah P. Hays , Samuel W. Remedios , Lianrui Zuo , Ellen M. Mowry , Scott D. Newsome , Peter A. Calabresi , Aaron Carass , Blake E. Dewey , Jerry L. Prince

We present a computational method for real-time, patient-specific simulation of 2D ultrasound (US) images. The method uses a large number of tracked ultrasound images to learn a function that maps position and orientation of the transducer…

Image and Video Processing · Electrical Eng. & Systems 2020-05-12 Cesare Magnetti , Veronika Zimmer , Nooshin Ghavami , Emily Skelton , Jacqueline Matthew , Karen Lloyd , Jo Hajnal , Julia A. Schnabel , Alberto Gomez

Recently, the robotic ultrasound system has become an emerging topic owing to the widespread use of medical ultrasound. However, it is still a challenging task to model and to transfer the ultrasound skill from an ultrasound physician. In…

Artificial Intelligence · Computer Science 2023-07-27 Xutian Deng , Ziwei Lei , Yi Wang , Miao Li

Autonomous ultrasound (US) imaging has gained increased interest recently, and it has been seen as a potential solution to overcome the limitations of free-hand US examinations, such as inter-operator variations. However, it is still…

Image and Video Processing · Electrical Eng. & Systems 2023-07-11 Zhongliang Jiang , Chenyang Li , Xuesong Li , Nassir Navab

Surgical automation requires precise guidance and understanding of the scene. Current methods in the literature rely on bulky depth cameras to create maps of the anatomy, however this does not translate well to space-limited clinical…

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