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Related papers: OSSAR: Towards Open-Set Surgical Activity Recognit…

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Rotated object detection has made significant progress in the optical remote sensing. However, advancements in the Synthetic Aperture Radar (SAR) field are laggard behind, primarily due to the absence of a large-scale dataset. Annotating…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Xin Zhang , Xue Yang , Yuxuan Li , Jian Yang , Ming-Ming Cheng , Xiang Li

This paper introduces ROSAR, a novel framework enhancing the robustness of deep learning object detection models tailored for side-scan sonar (SSS) images, generated by autonomous underwater vehicles using sonar sensors. By extending our…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Martin Aubard , László Antal , Ana Madureira , Luis F. Teixeira , Erika Ábrahám

While today's robots are able to perform sophisticated tasks, they can only act on objects they have been trained to recognize. This is a severe limitation: any robot will inevitably see new objects in unconstrained settings, and thus will…

Robotics · Computer Science 2019-06-05 Massimiliano Mancini , Hakan Karaoguz , Elisa Ricci , Patric Jensfelt , Barbara Caputo

Deep learning-based human activity recognition (HAR) methods have shown great promise in the applications of smart healthcare systems and wireless body sensor network (BSN). Despite their demonstrated performance in laboratory settings, the…

Human-Computer Interaction · Computer Science 2023-03-28 Baichun Wei , Chunzhi Yi , Qi Zhang , Haiqi Zhu , Jianfei Zhu , Feng Jiang

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

A desirable open world recognition (OWR) system requires performing three tasks: (1) Open set recognition (OSR), i.e., classifying the known (classes seen during training) and rejecting the unknown (unseen$/$novel classes) online; (2)…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Fulin Gao , Weimin Zhong , Zhixing Cao , Xin Peng , Zhi Li

A robot operating in unstructured environments must be able to discriminate between different grasping styles depending on the prospective manipulation task. Having a system that allows learning from remote non-expert demonstrations can…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Furkan Kaynar , Sudarshan Rajagopalan , Shaobo Zhou , Eckehard Steinbach

Conventional human activity recognition (HAR) relies on classifiers trained to predict discrete activity classes, inherently limiting recognition to activities explicitly present in the training set. Such classifiers would invariably fail,…

Artificial Intelligence · Computer Science 2025-01-14 Lala Shakti Swarup Ray , Bo Zhou , Sungho Suh , Paul Lukowicz

Computer-assisted minimally invasive surgery has great potential in benefiting modern operating theatres. The video data streamed from the endoscope provides rich information to support context-awareness for next-generation intelligent…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Ziyi Wang , Bo Lu , Yonghao Long , Fangxun Zhong , Tak-Hong Cheung , Qi Dou , Yunhui Liu

The combination of increased life expectancy and falling birth rates is resulting in an aging population. Wearable Sensor-based Human Activity Recognition (WSHAR) emerges as a promising assistive technology to support the daily lives of…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Jianyuan Ni , Hao Tang , Syed Tousiful Haque , Yan Yan , Anne H. H. Ngu

In this work, we introduce a novel method for solving the set inversion problem by formulating it as a binary classification problem. Aiming to develop a fast algorithm that can work effectively with high-dimensional and computationally…

Machine Learning · Computer Science 2021-06-01 Binh T. Nguyen , Duy M. Nguyen , Lam Si Tung Ho , Vu Dinh

Current state-of-the-art methods for skeleton-based action recognition are supervised and rely on labels. The reliance is limiting the performance due to the challenges involved in annotation and mislabeled data. Unsupervised methods have…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Jingyuan Li , Eli Shlizerman

Surgical state estimators in robot-assisted surgery (RAS) - especially those trained via learning techniques - rely heavily on datasets that capture surgeon actions in laboratory or real-world surgical tasks. Real-world RAS datasets are…

Robotics · Computer Science 2021-02-19 Yidan Qin , Max Allan , Yisong Yue , Joel W. Burdick , Mahdi Azizian

We introduce a challenging training scheme of conditional GANs, called open-set semi-supervised image generation, where the training dataset consists of two parts: (i) labeled data and (ii) unlabeled data with samples belonging to one of…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Kai Katsumata , Duc Minh Vo , Hideki Nakayama

An object detector's ability to detect and flag \textit{novel} objects during open-world deployments is critical for many real-world applications. Unfortunately, much of the work in open object detection today is disjointed and fails to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Matthew Inkawhich , Nathan Inkawhich , Hao Yang , Jingyang Zhang , Randolph Linderman , Yiran Chen

The problem of open-set recognition is considered. While previous approaches only consider this problem in the context of large-scale classifier training, we seek a unified solution for this and the low-shot classification setting. It is…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Bo Liu , Hao Kang , Haoxiang Li , Gang Hua , Nuno Vasconcelos

Holistic surgical scene segmentation in robot-assisted surgery (RAS) enables surgical residents to identify various anatomical tissues, articulated tools, and critical structures, such as veins and vessels. Given the firm intraoperative…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Fatimaelzahraa Ahmed , Muraam Abdel-Ghani , Muhammad Arsalan , Mahmoud Ali , Abdulaziz Al-Ali , Shidin Balakrishnan

Pathology image classification plays a crucial role in accurate medical diagnosis and treatment planning. Training high-performance models for this task typically requires large-scale annotated datasets, which are both expensive and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Lanfeng Zhong , Xin Liao , Shichuan Zhang , Shaoting Zhang , Guotai Wang

Image segmentation is one of the most essential biomedical image processing problems for different imaging modalities, including microscopy and X-ray in the Internet-of-Medical-Things (IoMT) domain. However, annotating biomedical images is…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Ziyuan Zhao , Zeng Zeng , Kaixin Xu , Cen Chen , Cuntai Guan

The extensive ubiquitous availability of sensors in smart devices and the Internet of Things (IoT) has opened up the possibilities for implementing sensor-based activity recognition. As opposed to traditional sensor time-series processing…

Signal Processing · Electrical Eng. & Systems 2023-10-09 Danial Ahangarani , Mohammad Shirazi , Navid Ashraf