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相关论文: Dynamic Vision Sensors for Human Activity Recognit…

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Video anomaly detection plays a significant role in intelligent surveillance systems. To enhance model's anomaly recognition ability, previous works have typically involved RGB, optical flow, and text features. Recently, dynamic vision…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Yuanbin Qian , Shuhan Ye , Chong Wang , Xiaojie Cai , Jiangbo Qian , Jiafei Wu

Saliency prediction for Standard Dynamic Range (SDR) videos has been well explored in the last decade. However, limited studies are available on High Dynamic Range (HDR) Visual Attention Models (VAMs). Considering that the characteristic of…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Amin Banitalebi-Dehkordi , Yuanyuan Dong , Mahsa T. Pourazad , Panos Nasiopoulos

Dynamic Range (DR) is a pivotal characteristic of imaging systems. Current frame-based cameras struggle to achieve high dynamic range imaging due to the conflict between globally uniform exposure and spatially variant scene illumination. In…

图像与视频处理 · 电气工程与系统科学 2024-03-15 Yuliang Wu , Ganchao Tan , Jinze Chen , Wei Zhai , Yang Cao , Zheng-Jun Zha

Sensor-based Human Activity Recognition (HAR) is crucial in ubiquitous computing, analysing behaviours through multi-dimensional observations. Despite research progress, HAR confronts challenges, particularly in data distribution…

信号处理 · 电气工程与系统科学 2025-03-05 Xiaozhou Ye , Kouichi Sakurai , Nirmal Nair , Kevin I-Kai Wang

Despite advances in practical and multimodal fine-grained Human Activity Recognition (HAR), a system that runs entirely on smartwatches in unconstrained environments remains elusive. We present WatchHAR, an audio and inertial-based HAR…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Taeyoung Yeon , Vasco Xu , Henry Hoffmann , Karan Ahuja

Human Activity Recognition (HAR) has recently witnessed advancements with Transformer-based models. Especially, ActionFormer shows us a new perspectives for HAR in the sense that this approach gives us additional outputs which detect the…

机器学习 · 计算机科学 2025-05-28 Kunpeng Zhao , Asahi Miyazaki , Tsuyoshi Okita

Accurately capturing dynamic scenes with wide-ranging motion and light intensity is crucial for many vision applications. However, acquiring high-speed high dynamic range (HDR) video is challenging because the camera's frame rate restricts…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Caixin Wang , Jie Zhang , Matthew A. Wilson , Ralph Etienne-Cummings

The challenge of graphically rendering high frame-rate videos on low compute devices can be addressed through periodic prediction of future frames to enhance the user experience in virtual reality applications. This is studied through the…

计算机视觉与模式识别 · 计算机科学 2023-09-15 Nagabhushan Somraj , Pranali Sancheti , Rajiv Soundararajan

Event cameras or dynamic vision sensors (DVS) record asynchronous response to brightness changes instead of conventional intensity frames, and feature ultra-high sensitivity at low bandwidth. The new mechanism demonstrates great advantages…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Bo Zhang , Yuqi Han , Jinli Suo , Qionghai Dai

Human Action Recognition (HAR) encompasses the task of monitoring human activities across various domains, including but not limited to medical, educational, entertainment, visual surveillance, video retrieval, and the identification of…

计算机视觉与模式识别 · 计算机科学 2024-08-16 Khaled Alomar , Halil Ibrahim Aysel , Xiaohao Cai

Designing a scheme that can achieve a good performance in predicting single person activities and group activities is a challenging task. In this paper, we propose a novel robust and efficient human activity recognition scheme called ReHAR,…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Xin Li , Mooi Choo Chuah

Transformers have excelled in natural language processing and computer vision, paving their way to sensor-based Human Activity Recognition (HAR). Previous studies show that transformers outperform their counterparts exclusively when they…

机器学习 · 计算机科学 2024-10-18 Clayton Souza Leite , Henry Mauranen , Aziza Zhanabatyrova , Yu Xiao

With an increasing number of elders living alone, care-giving from a distance becomes a compelling need, particularly for safety. Real-time monitoring and action recognition are essential to raise an alert timely when abnormal behaviors or…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Han Sun , Yu Chen

This technical report presents a novel DMD-based characterization method for vision sensors, particularly neuromorphic sensors such as event-based vision sensors (EVS) and Tianmouc, a complementary vision sensor. Traditional image sensor…

图像与视频处理 · 电气工程与系统科学 2025-03-07 Yapeng Meng , Taoyi Wang , Yihan Lin

Human Activity Recognition (HAR) is the identification and classification of static and dynamic human activities, which find applicability in domains like healthcare, entertainment, security, and cyber-physical systems. Traditional HAR…

Human activity recognition has grown in popularity with its increase of applications within daily lifestyles and medical environments. The goal of having efficient and reliable human activity recognition brings benefits such as accessible…

机器学习 · 计算机科学 2022-01-24 Rushit Dave , Naeem Seliya , Mounika Vanamala , Wei Tee

Most conventional supervised super-resolution (SR) algorithms assume that low-resolution (LR) data is obtained by downscaling high-resolution (HR) data with a fixed known kernel, but such an assumption often does not hold in real scenarios.…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Suyoung Lee , Myungsub Choi , Kyoung Mu Lee

Human activity recognition (HAR) is a classification task that aims to classify human activities or predict human behavior by means of features extracted from sensors data. Typical HAR systems use wearable sensors and/or handheld and mobile…

Human activity recognition (HAR) ideally relies on data from wearable or environment-instrumented sensors sampled at regular intervals, enabling standard neural network models optimized for consistent time-series data as input. However,…

信号处理 · 电气工程与系统科学 2025-01-28 Mengxi Liu , Daniel Geißler , Sizhen Bian , Bo Zhou , Paul Lukowicz

Human activity recognition (HAR) by wearable sensor devices embedded in the Internet of things (IOT) can play a significant role in remote health monitoring and emergency notification, to provide healthcare of higher standards. The purpose…

机器学习 · 计算机科学 2022-01-24 M. Abid , A. Khabou , Y. Ouakrim , H. Watel , S. Chemkhi , A. Mitiche , A. Benazza-Benyahia , N. Mezghani