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Surgical instrument segmentation is instrumental to minimally invasive surgeries and related applications. Most previous methods formulate this task as single-frame-based instance segmentation while ignoring the natural temporal and stereo…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Qiyuan Wang , Shang Zhao , Zikang Xu , S Kevin Zhou

In percutaneous orthopedic interventions the surgeon attempts to reduce and fixate fractures in bony structures. The complexity of these interventions arises when the surgeon performs the challenging task of navigating surgical tools…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Jonas Hajek , Mathias Unberath , Javad Fotouhi , Bastian Bier , Sing Chun Lee , Greg Osgood , Andreas Maier , Mehran Armand , Nassir Navab

For robotic surgical videos, instrument presence annotations are typically recorded with video streams, which offering the potential to reduce the manually annotated costs for segmentation. However, weakly supervised surgical instrument…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Qiyuan Wang , Yanzhe Liu , Shang Zhao , Rong Liu , S. Kevin Zhou

Most publicly available medical segmentation datasets are only partially labeled, with annotations provided for a subset of anatomical structures. When multiple datasets are combined for training, this incomplete annotation poses…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Jiong Wu , Yang Xing , Boxiao Yu , Wei Shao , Kuang Gong

Widely adopted medical image segmentation methods, although efficient, are primarily deterministic and remain poorly amenable to natural language prompts. Thus, they lack the capability to estimate multiple proposals, human interaction, and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-23 Yuan Lin , Murong Xu , Marc Hölle , Chinmay Prabhakar , Andreas Maier , Vasileios Belagiannis , Bjoern Menze , Suprosanna Shit

Recent years have seen embodied visual navigation advance in two distinct directions: (i) in equipping the AI agent to follow natural language instructions, and (ii) in making the navigable world multimodal, e.g., audio-visual navigation.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Sudipta Paul , Amit K. Roy-Chowdhury , Anoop Cherian

Segmentation for tracking surgical instruments plays an important role in robot-assisted surgery. Segmentation of surgical instruments contributes to capturing accurate spatial information for tracking. In this paper, a novel network,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-20 Zhen-Liang Ni , Gui-Bin Bian , Xiao-Liang Xie , Zeng-Guang Hou , Xiao-Hu Zhou , Yan-Jie Zhou

Accurate visualization of interventional devices, such as medical needles, is essential for the safe and effective guidance of minimally invasive procedures. Ultrasound (US) imaging is widely used for needle guidance, but the…

Accurate neuronavigation is essential for generating the intended effect with transcranial magnetic stimulation (TMS). Precise coil placement also directly influences stimulation efficacy. Traditional neuronavigation systems often rely on…

Human-Computer Interaction · Computer Science 2026-01-29 Xuyi Hu , Ke Ma , Siwei Liu , Per Ola Kristensson , Stephan Goetz

In surgical navigation, finding correspondence between preoperative plan and intraoperative anatomy, the so-called registration task, is imperative. One promising approach is to intraoperatively digitize anatomy and register it with the…

Segmentation models achieve high accuracy on benchmarks but often fail in real-world domains by relying on spurious correlations instead of true object boundaries. We propose a human-in-the-loop interactive framework that enables…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Pouya Shaeri , Ryan T. Woo , Yasaman Mohammadpour , Ariane Middel

In robotic surgery, tool tracking is important for providing safe tool-tissue interaction and facilitating surgical skills assessment. Despite recent advances in tool tracking, existing approaches are faced with major difficulties in…

Computer Vision and Pattern Recognition · Computer Science 2016-11-01 Menglong Ye , Lin Zhang , Stamatia Giannarou , Guang-Zhong Yang

Predicting surgical needle trajectories from endoscopic video is critical for robot-assisted suturing, enabling anticipatory planning, real-time guidance, and safer motion execution. Existing methods that directly learn motion distributions…

Robotics · Computer Science 2026-05-19 Huanrong Liu , Chunlin Tian , Tongyu Jia , Tailai Zhou , Qin Liu , Yu Gao , Yutong Ban , Yun Gu , Guy Rosman , Xin Ma , Qingbiao Li

To improve the efficiency of surgical trajectory segmentation for robot learning in robot-assisted minimally invasive surgery, this paper presents a fast unsupervised method using video and kinematic data, followed by a promoting procedure…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Zhenzhou Shao , Hongfa Zhao , Jiexin Xie , Ying Qu , Yong Guan , Jindong Tan

This research presents an advanced AI-powered ultrasound imaging system that incorporates real-time image processing, organ tracking, and voice commands to enhance the efficiency and accuracy of diagnoses in clinical practice. Traditional…

Image and Video Processing · Electrical Eng. & Systems 2024-11-21 Emad Mohamed , Shruti Tiwari , Sheena Christabel Pravin

Background and Purpose: Accurate motion tracking in MRI-guided Radiotherapy (MRIgRT) is essential for effective treatment delivery. This study aimed to enhance motion tracking precision in MRIgRT through an automatic real-time markerless…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Shengqi Chen , Zilin Wang , Jianrong Dai , Shirui Qin , Ying Cao , Ruiao Zhao , Jiayun Chen , Guohua Wu , Yuan Tang

Action-conditioned surgical video generation is a critical yet highly challenging problem for robotic surgery. The core difficulty is that low-dimensional control vectors must precisely govern complex image-space evolution. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Bohan Li , Shuojue Yang , Baorui Peng , Xianda Guo , Erli Zhang , Youqi Tao , Junfeng Duan , Daguang Xu , Qi Dou , Xin Jin , Wenjun Zeng , Hao Zhao , Yueming Jin

Semantic segmentation of robotic instruments is an important problem for the robot-assisted surgery. One of the main challenges is to correctly detect an instrument's position for the tracking and pose estimation in the vicinity of surgical…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Alexey Shvets , Alexander Rakhlin , Alexandr A. Kalinin , Vladimir Iglovikov

Open-vocabulary semantic segmentation aims to assign pixel-level labels to images across an unlimited range of classes. Traditional methods address this by sequentially connecting a powerful mask proposal generator, such as the Segment…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Minhyeok Lee , Suhwan Cho , Jungho Lee , Sunghun Yang , Heeseung Choi , Ig-Jae Kim , Sangyoun Lee

In medical imaging, there are clinically relevant segmentation tasks where the output mask is a projection to a subset of input image dimensions. In this work, we propose a novel convolutional neural network architecture that can…

Image and Video Processing · Electrical Eng. & Systems 2021-08-03 Dmitrii Lachinov , Philipp Seeboeck , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunovic