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Human action recognition in videos is a critical task with significant implications for numerous applications, including surveillance, sports analytics, and healthcare. The challenge lies in creating models that are both precise in their…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yufei Xie

While depth cameras and inertial sensors have been frequently leveraged for human action recognition, these sensing modalities are impractical in many scenarios where cost or environmental constraints prohibit their use. As such, there has…

计算机视觉与模式识别 · 计算机科学 2019-02-27 William McNally , Alexander Wong , John McPhee

Human Pose (HP) estimation is actively researched because of its wide range of applications. However, even estimators pre-trained on large datasets may not perform satisfactorily due to a domain gap between the training and test data. To…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Hiromu Taketsugu , Norimichi Ukita

Vision-based human activity recognition has emerged as one of the essential research areas in video analytics domain. Over the last decade, numerous advanced deep learning algorithms have been introduced to recognize complex human actions…

计算机视觉与模式识别 · 计算机科学 2022-08-11 Hayat Ullah , Arslan Munir

Upsurging abnormal activities in crowded locations such as airports, train stations, bus stops, shopping malls, etc., urges the necessity for an intelligent surveillance system. An intelligent surveillance system can differentiate between…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Shahriar Jahan , Roknuzzaman , Md Robiul Islam

The performance of deep learning based image super-resolution (SR) methods depend on how accurately the paired low and high resolution images for training characterize the sampling process of real cameras. Low and high resolution…

图像与视频处理 · 电气工程与系统科学 2022-06-22 Yanhui Guo , Xiaolin Wu , Xiao Shu

Numerical weather forecasting using high-resolution physical models often requires extensive computational resources on supercomputers, which diminishes their wide usage in most real-life applications. As a remedy, applying deep learning…

机器学习 · 计算机科学 2023-10-06 Selim Furkan Tekin , Arda Fazla , Suleyman Serdar Kozat

Recognizing driving behaviors is important for downstream tasks such as reasoning, planning, and navigation. Existing video recognition approaches work well for common behaviors (e.g. "drive straight", "brake", "turn left/right"). However,…

计算机视觉与模式识别 · 计算机科学 2024-05-10 Chirag Parikh , Ravi Shankar Mishra , Rohan Chandra , Ravi Kiran Sarvadevabhatla

Human activity recognition (HAR) using drone-mounted cameras has attracted considerable interest from the computer vision research community in recent years. A robust and efficient HAR system has a pivotal role in fields like video…

计算机视觉与模式识别 · 计算机科学 2022-12-08 Santosh Kumar Yadav , Achleshwar Luthra , Esha Pahwa , Kamlesh Tiwari , Heena Rathore , Hari Mohan Pandey , Peter Corcoran

We propose CAST, a dual-stream architecture that utilizes channel-aware spatial transfer learning for isolated sign language recognition addressing the challenges of magnitude-only 60~GHz radar Range-Time Maps (RTM). The proposed framework…

The recent advances in artificial intelligence and deep learning facilitate automation in various applications including home automation, smart surveillance systems, and healthcare among others. Human Activity Recognition is one of its…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Anagha Deshpande , Vedant Deshpande

Self Supervised Representation Learning (SSRepL) can capture meaningful and robust representations of the Attention Deficit Hyperactivity Disorder (ADHD) data and have the potential to improve the model's performance on also downstream…

机器学习 · 计算机科学 2025-02-04 Abdul Rehman , Ilona Heldal , Jerry Chun-Wei Lin

By converting low-frame-rate, low-resolution videos into high-frame-rate, high-resolution ones, space-time video super-resolution techniques can enhance visual experiences and facilitate more efficient information dissemination. We propose…

图像与视频处理 · 电气工程与系统科学 2024-07-12 Congrui Fu , Hui Yuan , Shiqi Jiang , Guanghui Zhang , Liquan Shen , Raouf Hamzaoui

Recent advancements in real-time super-resolution have enabled higher-quality video streaming, yet existing methods struggle with the unique challenges of compressed video content. Commonly used datasets do not accurately reflect the…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Evgeney Bogatyrev , Khaled Abud , Ivan Molodetskikh , Nikita Alutis , Dmitriy Vatolin

In this paper, we propose a new approach to under-stand actions in egocentric videos that exploits the semantics of object interactions at both frame and temporal levels. At the frame level, we use a region-based approach that takes as…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Alejandro Cartas , Petia Radeva , Mariella Dimiccoli

We address human action recognition from multi-modal video data involving articulated pose and RGB frames and propose a two-stream approach. The pose stream is processed with a convolutional model taking as input a 3D tensor holding data…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Fabien Baradel , Christian Wolf , Julien Mille

In this paper, we consider the problem of reference-based video super-resolution(RefVSR), i.e., how to utilize a high-resolution (HR) reference frame to super-resolve a low-resolution (LR) video sequence. The existing approaches to RefVSR…

计算机视觉与模式识别 · 计算机科学 2021-10-29 Yaping Zhao , Mengqi Ji , Ruqi Huang , Bin Wang , Shengjin Wang

Many few-shot learning models focus on recognising images. In contrast, we tackle a challenging task of few-shot action recognition from videos. We build on a C3D encoder for spatio-temporal video blocks to capture short-range action…

计算机视觉与模式识别 · 计算机科学 2020-08-05 Hongguang Zhang , Li Zhang , Xiaojuan Qi , Hongdong Li , Philip H. S. Torr , Piotr Koniusz

Human activity recognition (HAR) in ubiquitous computing has been beginning to incorporate attention into the context of deep neural networks (DNNs), in which the rich sensing data from multimodal sensors such as accelerometer and gyroscope…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Wenbin Gao , Lei Zhang , Qi Teng , Jun He , Hao Wu

Zero-shot learning (ZSL) enables the recognition of novel classes by leveraging semantic knowledge transfer from known to unknown categories. This knowledge, typically encapsulated in attribute descriptions, aids in identifying…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Haojian Huang , Xiaozhen Qiao , Zhuo Chen , Haodong Chen , Bingyu Li , Zhe Sun , Mulin Chen , Xuelong Li