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Deep learning technologies such as convolutional neural networks (CNN) provide powerful methods for image recognition and have recently been employed in the field of automated carcinoma detection in confocal laser endomicroscopy (CLE)…

Computer Vision and Pattern Recognition · Computer Science 2020-01-06 Marc Aubreville , Miguel Goncalves , Christian Knipfer , Nicolai Oetter , Tobias Wuerfl , Helmut Neumann , Florian Stelzle , Christopher Bohr , Andreas Maier

Depth estimation plays a crucial role in various tasks within endoscopic surgery, including navigation, surface reconstruction, and augmented reality visualization. Despite the significant achievements of foundation models in vision tasks,…

Image and Video Processing · Electrical Eng. & Systems 2024-05-15 Beilei Cui , Mobarakol Islam , Long Bai , An Wang , Hongliang Ren

Purpose: Autonomous systems in mechanical thrombectomy (MT) hold promise for reducing procedure times, minimizing radiation exposure, and enhancing patient safety. However, current reinforcement learning (RL) methods only reach the carotid…

Recent advances in deep reinforcement learning (deep RL) enable researchers to solve challenging control problems, from simulated environments to real-world robotic tasks. However, deep RL algorithms are known to be sensitive to the problem…

Robotics · Computer Science 2023-02-01 Joanne Taery Kim , Sehoon Ha

Capsule endoscopes, predominantly serving diagnostic functions, provide lucid internal imagery but are devoid of surgical or therapeutic capabilities. Consequently, despite lesion detection, physicians frequently resort to traditional…

Medical Physics · Physics 2024-05-14 Sishen Yuan , Guang Li , Baijia Liang , Lailu Li , Qingzhuo Zheng , Shuang Song , Zhen Li , Hongliang Ren

In recent decades, the tremendous benefits surgical robots have brought to surgeons and patients have been witnessed. With the dexterous operation and the great precision, surgical robots can offer patients less recovery time and less…

Robotics · Computer Science 2022-04-13 Ruiqi Zhu , Dandan Zhang , Benny Lo

Dynamic Magnetic Resonance Imaging (MRI) is a crucial non-invasive method used to capture the movement of internal organs and tissues, making it a key tool for medical diagnosis. However, dynamic MRI faces a major challenge: long…

Image and Video Processing · Electrical Eng. & Systems 2024-09-20 Tamir Shor , Chaim Baskin , Alex Bronstein

Medical endoscopy remains a challenging application for simultaneous localization and mapping (SLAM) due to the sparsity of image features and size constraints that prevent direct depth-sensing. We present a SLAM approach that incorporates…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Richard J. Chen , Taylor L. Bobrow , Thomas Athey , Faisal Mahmood , Nicholas J. Durr

This paper proposes a robust control design method using reinforcement-learning for controlling partially-unknown dynamical systems under uncertain conditions. The method extends the optimal reinforcement-learning algorithm with a new…

Systems and Control · Electrical Eng. & Systems 2020-04-17 Phuong D. Ngo , Fred Godtliebsen

Magnetic micro-robots have demonstrated immense potential in biomedical applications, such as in vivo drug delivery, non-invasive diagnostics, and cell-based therapies, owing to their precise maneuverability and small size. However, current…

Robotics · Computer Science 2025-03-11 Yudong Mao , Dandan Zhang

Wilderness search and rescue operations are often carried out over vast landscapes. The search efforts, however, must be undertaken in minimum time to maximize the chance of survival of the victim. Whilst the advent of cheap multicopters in…

Machine Learning · Computer Science 2025-02-27 Jan-Hendrik Ewers , David Anderson , Douglas Thomson

Video is an essential imaging modality for diagnostics, e.g. in ultrasound imaging, for endoscopy, or movement assessment. However, video hasn't received a lot of attention in the medical image analysis community. In the clinical practice,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-20 Tianrui Liu , Qingjie Meng , Athanasios Vlontzos , Jeremy Tan , Daniel Rueckert , Bernhard Kainz

Intraoperative ultrasound imaging is used to facilitate safe brain tumour resection. However, due to challenges with image interpretation and the physical scanning, this tool has yet to achieve widespread adoption in neurosurgery. In this…

Background: Apparent Diffusion Coefficient (ADC) values and Total Diffusion Volume (TDV) from Whole-body diffusion-weighted MRI (WB-DWI) are recognized cancer imaging biomarkers. However, manual disease delineation for ADC and TDV…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 A. Candito , A. Dragan , R. Holbrey , A. Ribeiro , R. Donners , C. Messiou , N. Tunariu , D. -M. Koh , M. D. Blackledge

The integration of medical imaging, computational analysis, and robotic technology has brought about a significant transformation in minimally invasive surgical procedures, particularly in the realm of laparoscopic rectal surgery (LRS).…

Robotics · Computer Science 2024-02-23 Alexandra Thomieres , Dhruva Khanzode , Emilie Duchalais , Ranjan Jha , Damien Chablat

Endoscopic surgery is the gold standard for robotic-assisted minimally invasive surgery, offering significant advantages in early disease detection and precise interventions. However, the complexity of surgical scenes, characterized by high…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Guankun Wang , Rui Tang , Mengya Xu , Long Bai , Huxin Gao , Hongliang Ren

Accurate tissue point tracking in endoscopic videos is critical for robotic-assisted surgical navigation and scene understanding, but remains challenging due to complex deformations, instrument occlusion, and the scarcity of dense…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Rulin Zhou , Wenlong He , An Wang , Qiqi Yao , Haijun Hu , Jiankun Wang , Xi Zhang an Hongliang Ren

Minimally Invasive Surgeries (MIS) are challenging for surgeons due to the limited field of view and constrained range of motion imposed by narrow access ports. These challenges can be addressed by robot-assisted endoscope systems which…

Robotics · Computer Science 2024-06-17 Jacinto Colan , Ana Davila , Yasuhisa Hasegawa

Mammography is used as a standard screening procedure for the potential patients of breast cancer. Over the past decade, it has been shown that deep learning techniques have succeeded in reaching near-human performance in a number of tasks,…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Jun Luo , Dooman Arefan , Margarita Zuley , Jules Sumkin , Shandong Wu

Magnetic resonance imaging (MRI) is a commonly used technique for brain tumor segmentation, which is critical for evaluating patients and planning treatment. To make the labeling process less laborious and dependent on expertise,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Yu-Jen Chen , Yiyu Shi , Tsung-Yi Ho