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Recognizing surgical gestures in real-time is a stepping stone towards automated activity recognition, skill assessment, intra-operative assistance, and eventually surgical automation. The current robotic surgical systems provide us with…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Jumanh Atoum , Garrison L. H. Johnston , Nabil Simaan , Jie Ying Wu

Manual labeling of gestures in robot-assisted surgery is labor intensive, prone to errors, and requires expertise or training. We propose a method for automated and explainable generation of gesture transcripts that leverages the abundance…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Kay Hutchinson , Zongyu Li , Ian Reyes , Homa Alemzadeh

Performing low hertz labeling for surgical videos at intervals can greatly releases the burden of surgeons. In this paper, we study the semi-supervised instrument segmentation from robotic surgical videos with sparse annotations. Unlike…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Zixu Zhao , Yueming Jin , Xiaojie Gao , Qi Dou , Pheng-Ann Heng

The increasingly wide usage of location aware sensors has made it possible to collect large volume of trajectory data in diverse application domains. Machine learning allows to study the activities or behaviours of moving objects (e.g.,…

Machine Learning · Computer Science 2023-01-12 Mashud Rana , Ashfaqur Rahman , Daniel Smith

Biomedical image segmentation plays a significant role in computer-aided diagnosis. However, existing CNN based methods rely heavily on massive manual annotations, which are very expensive and require huge human resources. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Ruifei Zhang , Sishuo Liu , Yizhou Yu , Guanbin Li

Automatic recognition and classification of tasks in robotic surgery is an important stepping stone toward automated surgery and surgical training. Recently, technical breakthroughs in gathering data make data-driven model development…

Robotics · Computer Science 2017-08-01 Mehrdad J. Bani , Shoele Jamali

Surgical activity recognition and prediction can help provide important context in many Robot-Assisted Surgery (RAS) applications, for example, surgical progress monitoring and estimation, surgical skill evaluation, and shared control…

Robotics · Computer Science 2022-12-06 Chang Shi , Yi Zheng , Ann Majewicz Fey

The focus of this paper is dynamic gesture recognition in the context of the interaction between humans and machines. We propose a model consisting of two sub-networks, a transformer and an ordered-neuron long-short-term-memory (ON-LSTM)…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Kenneth Lai , Svetlana Yanushkevich

Accurate segmentation of surgical instrument tip is an important task for enabling downstream applications in robotic surgery, such as surgical skill assessment, tool-tissue interaction and deformation modeling, as well as surgical…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Jiaqi Liu , Yonghao Long , Kai Chen , Cheuk Hei Leung , Zerui Wang , Qi Dou

We propose a two-stage convolutional neural network (CNN) architecture for robust recognition of hand gestures, called HGR-Net, where the first stage performs accurate semantic segmentation to determine hand regions, and the second stage…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Amirhossein Dadashzadeh , Alireza Tavakoli Targhi , Maryam Tahmasbi , Majid Mirmehdi

Online recognition of gestures is critical for intuitive human-robot interaction (HRI) and further push collaborative robotics into the market, making robots accessible to more people. The problem is that it is difficult to achieve accurate…

Robotics · Computer Science 2023-04-17 M. A. Simão , O. Gibaru , P. Neto

Segmentation stands at the forefront of many high-level vision tasks. In this study, we focus on segmenting finger bones within a newly introduced semi-supervised self-taught deep learning framework which consists of a student network and a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Ziyuan Zhao , Xiaoman Zhang , Cen Chen , Wei Li , Songyou Peng , Jie Wang , Xulei Yang , Le Zhang , Zeng Zeng

Evaluating surgeon skill has predominantly been a subjective task. Development of objective methods for surgical skill assessment are of increased interest. Recently, with technological advances such as robotic-assisted minimally invasive…

Machine Learning · Computer Science 2016-11-18 Mahtab J. Fard , Sattar Ameri , Ratna B. Chinnam , Abhilash K. Pandya , Michael D. Klein , R. Darin Ellis

In robotic surgery, task automation and learning from demonstration combined with human supervision is an emerging trend for many new surgical robot platforms. One such task is automated anastomosis, which requires bimanual needle handling…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Yang Hu , Yun Gu , Jie Yang , Guang-Zhong Yang

Automatic surgical phase recognition plays a vital role in robot-assisted surgeries. Existing methods ignored a pivotal problem that surgical phases should be classified by learning segment-level semantics instead of solely relying on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Xinpeng Ding , Xiaomeng Li

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

The gesture recognition using motion capture data and depth sensors has recently drawn more attention in vision recognition. Currently most systems only classify dataset with a couple of dozens different actions. Moreover, feature…

Computer Vision and Pattern Recognition · Computer Science 2014-09-02 Kyunghyun Cho , Xi Chen

Segmentation is a prerequisite yet challenging task for medical image analysis. In this paper, we introduce a novel deeply supervised active learning approach for finger bones segmentation. The proposed architecture is fine-tuned in an…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Ziyuan Zhao , Xiaoyan Yang , Bharadwaj Veeravalli , Zeng Zeng

Gesture recognition is getting more and more popular due to various application possibilities in human-machine interaction. Existing multi-modal gesture recognition systems take multi-modal data as input to improve accuracy, but such…

Computer Vision and Pattern Recognition · Computer Science 2021-11-01 Dinghao Fan , Hengjie Lu , Shugong Xu , Shan Cao

Real-time recognition and prediction of surgical activities are fundamental to advancing safety and autonomy in robot-assisted surgery. This paper presents a multimodal transformer architecture for real-time recognition and prediction of…

Robotics · Computer Science 2024-10-27 Keshara Weerasinghe , Seyed Hamid Reza Roodabeh , Kay Hutchinson , Homa Alemzadeh