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The dominant visual servoing approaches in Minimally Invasive Surgery (MIS) follow single points or adapt the endoscope's field of view based on the surgical tools' distance. These methods rely on point positions with respect to the camera…

Image and Video Processing · Electrical Eng. & Systems 2022-02-22 Martin Huber , John Bason Mitchell , Ross Henry , Sébastien Ourselin , Tom Vercauteren , Christos Bergeles

Visual Odometry (VO) is vital for the navigation of autonomous systems, providing accurate position and orientation estimates at reasonable costs. While traditional VO methods excel in some conditions, they struggle with challenges like…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Siyu Chen , Kangcheng Liu , Chen Wang , Shenghai Yuan , Jianfei Yang , Lihua Xie

Visual servoing is a well-known task in robotics. However, there are still challenges when multiple visual sources are combined to accurately guide the robot or occlusions appear. In this paper we present a novel visual servoing approach…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 Hanz Cuevas-Velasquez , Nanbo Li , Radim Tylecek , Marcelo Saval-Calvo , Robert B. Fisher

Tissue biopsy is the gold standard for diagnosing many diseases, involving the extraction of diseased tissue for histopathology analysis by expert pathologists. However, this procedure has two main limitations: 1) Manual sampling through…

Robotics · Computer Science 2025-09-03 Fanxin Wang , Yikun Cheng , Chuyuan Tao , Rohit Bhargava , Thenkurussi Kesavadas

Assessing chronic pain behavior in mice is critical for preclinical studies. However, existing methods mostly rely on manual labeling of behavioral features, and humans lack a clear understanding of which behaviors best represent chronic…

Computer Vision and Pattern Recognition · Computer Science 2025-08-08 Yu-Hsi Chen , Wei-Hsin Chen , Chien-Yao Wang , Hong-Yuan Mark Liao , James C. Liao , Chien-Chang Chen

Navigation and inspection in confined environments, such as tunnels and pipes, pose significant challenges for existing robots due to limitations in maneuverability and adaptability to varying geometries. Vine robots, which are soft growing…

Robotics · Computer Science 2025-07-11 Yimeng Qin , Jared Grinberg , William Heap , Allison M. Okamura

The endoscopic camera of a surgical robot provides surgeons with a magnified 3D view of the surgical field, but repositioning it increases mental workload and operation time. Poor camera placement contributes to safety-critical events when…

Robotics · Computer Science 2023-01-20 Kay Hutchinson , Mohammad Samin Yasar , Harshneet Bhatia , Homa Alemzadeh

We present a target-driven navigation system to improve mapless visual navigation in indoor scenes. Our method takes a multi-view observation of a robot and a target as inputs at each time step to provide a sequence of actions that move the…

Robotics · Computer Science 2022-05-10 Qiaoyun Wu , Xiaoxi Gong , Kai Xu , Dinesh Manocha , Jingxuan Dong , Jun Wang

The diagnostic value of biopsies is highly dependent on the placement of needles. Robotic trajectory guidance has been shown to improve needle positioning, but feedback for real-time navigation is limited. Haptic display of needle tip…

Whole-brain neural connectivity data are now available from viral tracing experiments, which reveal the connections between a source injection site and elsewhere in the brain. These hold the promise of revealing spatial patterns of…

Neurons and Cognition · Quantitative Biology 2016-10-27 Kameron Decker Harris , Stefan Mihalas , Eric Shea-Brown

Everting, soft growing vine robots benefit from reduced friction with their environment, which allows them to navigate challenging terrain. Vine robots can use air pouches attached to their sides for lateral steering. However, when all…

This paper presents a dynamic constraint formulation to provide protective virtual fixtures of 3D anatomical structures from polygon mesh representations. The proposed approach can anisotropically limit the tool motion of surgical robots…

Robotics · Computer Science 2020-07-29 Zhaoshuo Li , Alex Gordon , Thomas Looi , James Drake , Christopher Forrest , Russell H. Taylor

Reinforcement Learning (RL) has shown great promise for efficiently learning force control policies in peg-in-hole tasks. However, robots often face difficulties due to visual occlusions by the gripper and uncertainties in the initial…

Robotics · Computer Science 2023-09-28 Tatsuya Kamijo , Ixchel G. Ramirez-Alpizar , Enrique Coronado , Gentiane Venture

Under conventional "open-" surgery, the physician has to take care of the patient, interact with other clinicians and check several monitoring devices. Nowadays, the Computer Assisted Surgery proposes to integrate 3D cameras in the…

Medical Physics · Physics 2016-08-14 Fabien Robineau , Frédéric Boy , Jean-Pierre Orliaguet , Jacques Demongeot , Yohan Payan

This work introduces a novel bio-inspired reconfigurable stereo vision system for robotics, leveraging omnidirectional cameras and a novel algorithm to achieve flexible visual capabilities. Inspired by the adaptive vision of various…

Robotics · Computer Science 2025-12-15 Suchang Chen , Dongliang Fan , Huijuan Feng , Jian S Dai

A biopsy is the only diagnostic procedure for accurate histological confirmation of breast cancer. When sonographic placement is not feasible, a Magnetic Resonance Imaging(MRI)-guided biopsy is often preferred. The lack of real-time imaging…

Brain-computer Interface (BCI) applications based on steady-state visual evoked potentials (SSVEP) have the advantages of being fast, accurate and mobile. SSVEP is the EEG response evoked by visual stimuli that are presented at a specific…

Human-Computer Interaction · Computer Science 2024-10-17 Jiarui Tang , Tingrui Sun , Siwen Wang

In this paper we introduce MLINE-VINS, a novel monocular visual-inertial odometry (VIO) system that leverages line features and Manhattan Word assumption. Specifically, for line matching process, we propose a novel geometric line optical…

Robotics · Computer Science 2025-03-04 Chao Ye , Haoyuan Li , Weiyang Lin , Xianqiang Yang

Current simultaneous localization and mapping (SLAM) algorithms perform well in static environments but easily fail in dynamic environments. Recent works introduce deep learning-based semantic information to SLAM systems to reduce the…

Robotics · Computer Science 2023-04-24 Jianheng Liu , Xuanfu Li , Yueqian Liu , Haoyao Chen

Assessing the condition and visibility of veins is a crucial step before obtaining intravenous access in the antecubital fossa, which is a common procedure to draw blood or administer intravenous therapies (IV therapies). Even though…

Image and Video Processing · Electrical Eng. & Systems 2023-10-30 Edwin Salcedo , Patricia Peñaloza