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The purpose of gesture recognition is to recognize meaningful movements of human bodies, and gesture recognition is an important issue in computer vision. In this paper, we present a multimodal gesture recognition method based on 3D densely…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Yi Zhang , Chong Wang , Ye Zheng , Jieyu Zhao , Yuqi Li , Xijiong Xie

This paper presents a technique to concurrently and jointly predict the future trajectories of surgical instruments and the future state(s) of surgical subtasks in robot-assisted surgeries (RAS) using multiple input sources. Such…

Computer Vision and Pattern Recognition · Computer Science 2020-09-28 Yidan Qin , Seyedshams Feyzabadi , Max Allan , Joel W. Burdick , Mahdi Azizian

Self-supervised, multi-modal learning has been successful in holistic representation of complex scenarios. This can be useful to consolidate information from multiple modalities which have multiple, versatile uses. Its application in…

Computer Vision and Pattern Recognition · Computer Science 2020-11-03 Aniruddha Tamhane , Jie Ying Wu , Mathias Unberath

Action recognition is a fundamental problem in computer vision with a lot of potential applications such as video surveillance, human computer interaction, and robot learning. Given pre-segmented videos, the task is to recognize actions…

Computer Vision and Pattern Recognition · Computer Science 2017-06-28 Ahsan Iqbal , Alexander Richard , Hilde Kuehne , Juergen Gall

In this paper, we address the open research problem of surgical gesture recognition using motion cues from video data only. We adapt Optical flow ConvNets initially proposed by Simonyan et al.. While Simonyan uses both RGB frames and dense…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Duygu Sarikaya , Pierre Jannin

Performing a real-time and accurate instrument segmentation from videos is of great significance for improving the performance of robotic-assisted surgery. We identify two important clues for surgical instrument perception, including local…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Jiacheng Wang , Yueming Jin , Liansheng Wang , Shuntian Cai , Pheng-Ann Heng , Jing Qin

For robot-assisted surgery, an accurate surgical report reflects clinical operations during surgery and helps document entry tasks, post-operative analysis and follow-up treatment. It is a challenging task due to many complex and diverse…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Hongqiu Wang , Yueming Jin , Lei Zhu

In image-assisted minimally invasive surgeries (MIS), understanding surgical scenes is vital for real-time feedback to surgeons, skill evaluation, and improving outcomes through collaborative human-robot procedures. Within this context, the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Mithun Parab , Pranay Lendave , Jiyoung Kim , Thi Quynh Dan Nguyen , Palash Ingle

Global and local relational reasoning enable scene understanding models to perform human-like scene analysis and understanding. Scene understanding enables better semantic segmentation and object-to-object interaction detection. In the…

Image and Video Processing · Electrical Eng. & Systems 2022-01-31 Lalithkumar Seenivasan , Sai Mitheran , Mobarakol Islam , Hongliang Ren

Algorithmic image-based diagnosis and prognosis of neurodegenerative diseases on longitudinal data has drawn great interest from computer vision researchers. The current state-of-the-art models for many image classification tasks are based…

Computer Vision and Pattern Recognition · Computer Science 2017-09-04 Jie Zhang , Qingyang Li , Richard J. Caselli , Jieping Ye , Yalin Wang

Despite significant advancements in robotic systems and surgical data science, ensuring safe and optimal execution in robot-assisted minimally invasive surgery (RMIS) remains a complex challenge. Current surgical error detection methods…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Zhimin Shao , Jialang Xu , Danail Stoyanov , Evangelos B. Mazomenos , Yueming Jin

Automated detection and segmentation of surgical devices, such as catheters or wires, in X-ray fluoroscopic images have the potential to enhance image guidance in minimally invasive heart surgeries. In this paper, we present a convolutional…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Lin Xi , Yingliang Ma , Ethan Koland , Sandra Howell , Aldo Rinaldi , Kawal S. Rhode

Pose based hand gesture recognition has been widely studied in the recent years. Compared with full body action recognition, hand gesture involves joints that are more spatially closely distributed with stronger collaboration. This nature…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Chuankun Li , Shuai Li , Yanbo Gao , Xiang Zhang , Wanqing Li

In surgical training for medical students, proficiency development relies on expert-led skill assessment, which is costly, time-limited, difficult to scale, and its expertise remains confined to institutions with available specialists.…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Le Ma , Thiago Freitas dos Santos , Nadia Magnenat-Thalmann , Katarzyna Wac

Providing users with accurate gestural interfaces, such as gesture recognition based on wrist-worn devices, is a key challenge in mixed reality. However, static machine learning processes in gesture recognition assume that training and test…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Junxiao Shen , Matthias De Lange , Xuhai "Orson" Xu , Enmin Zhou , Ran Tan , Naveen Suda , Maciej Lazarewicz , Per Ola Kristensson , Amy Karlson , Evan Strasnick

In human interactions, hands are a powerful way of expressing information that, in some cases, can be used as a valid substitute for voice, as it happens in Sign Language. Hand gesture recognition has always been an interesting topic in the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Danilo Avola , Marco Bernardi , Luigi Cinque , Gian Luca Foresti , Cristiano Massaroni

This paper proposes a novel approach to recognizing dynamic hand gestures facilitating seamless interaction between humans and robots. Here, each robot manipulator task is assigned a specific gesture. There may be several such tasks, hence,…

Robotics · Computer Science 2026-01-21 Dharmendra Sharma , Peeyush Thakur , Sandeep Gupta , Narendra Kumar Dhar , Laxmidhar Behera

This work introduces a method for high-accuracy EMG based gesture identification. A newly developed deep learning method, namely, deep residual shrinkage network is applied to perform gesture identification. Based on the feature of EMG…

Signal Processing · Electrical Eng. & Systems 2022-09-05 Yueying Ma , Chengbo Wang , Chengenze Jiang , Zimo Li

Gestures are a natural communication modality for humans. The ability to interpret gestures is fundamental for robots aiming to naturally interact with humans. Wearable sensors are promising to monitor human activity, in particular the…

Robotics · Computer Science 2018-11-13 Alessandro Carfi , Carola Motolese , Barbara Bruno , Fulvio Mastrogiovanni

In this paper, we address self-supervised representation learning from human skeletons for action recognition. Previous methods, which usually learn feature presentations from a single reconstruction task, may come across the overfitting…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Lilang Lin , Sijie Song , Wenhan Yan , Jiaying Liu