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Human activity recognition (HAR) has been playing an increasingly important role in various domains such as healthcare, security monitoring, and metaverse gaming. Though numerous HAR methods based on computer vision have been developed to…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Jianfei Yang , Shijie Tang , Yuecong Xu , Yunjiao Zhou , Lihua Xie

Vision-based methods are commonly used in robotic arm activity recognition. These approaches typically rely on line-of-sight (LoS) and raise privacy concerns, particularly in smart home applications. Passive Wi-Fi sensing represents a new…

机器人学 · 计算机科学 2024-07-09 Rojin Zandi , Kian Behzad , Elaheh Motamedi , Hojjat Salehinejad , Milad Siami

In recent years, novel view synthesis has gained popularity in generating high-fidelity images. While demonstrating superior performance in the task of synthesizing novel views, the majority of these methods are still based on the…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Xiaoyan Yang , Dingbo Lu , Yang Li , Chenhui Li , Changbo Wang

Neural Radiance Fields (NeRF) often struggle with reconstructing and rendering highly reflective scenes. Recent advancements have developed various reflection-aware appearance models to enhance NeRF's capability to render specular…

计算机视觉与模式识别 · 计算机科学 2025-01-17 Ji Shi , Xianghua Ying , Ruohao Guo , Bowei Xing , Wenzhen Yue

Wi-Fi sensing has emerged as a promising technique for gesture recognition, yet its practical deployment is hindered by environmental sensitivity and device placement challenges. To overcome these limitations we propose Wi-Fi Range and…

音频与语音处理 · 电气工程与系统科学 2026-03-25 Jessica Sanson , Rahul C. Shah , Yazhou Zhu , Rafael Rosales , Valerio Frascolla

The recent research explosion around implicit neural representations, such as NeRF, shows that there is immense potential for implicitly storing high-quality scene and lighting information in compact neural networks. However, one major…

Hand gesture recognition has long been a hot topic in human computer interaction. Traditional camera-based hand gesture recognition systems cannot work properly under dark circumstances. In this paper, a Doppler Radar based hand gesture…

计算机视觉与模式识别 · 计算机科学 2017-11-23 Jiajun Zhang , Jinkun Tao , Jiangtao Huangfu , Zhiguo Shi

Wi-Fi sensing is gaining momentum as a non-intrusive and privacy-preserving alternative to vision-based systems for human identification. However, person identification through wireless signals, particularly without user motion, remains…

WiFi-based human action recognition (HAR) has been regarded as a promising solution in applications such as smart living and remote monitoring due to the pervasive and unobtrusive nature of WiFi signals. However, the efficacy of WiFi…

计算机视觉与模式识别 · 计算机科学 2022-05-25 Yanling Hao , Zhiyuan Shi , Xidong Mu , Yuanwei Liu

Effective environment perception is crucial for enabling downstream robotic applications. Individual robotic agents often face occlusion and limited visibility issues, whereas multi-agent systems can offer a more comprehensive mapping of…

机器人学 · 计算机科学 2024-10-01 Hongrui Zhao , Boris Ivanovic , Negar Mehr

Human activity recognition (HAR) has become a popular topic in research because of its wide application. With the development of deep learning, new ideas have appeared to address HAR problems. Here, a deep network architecture using…

计算机视觉与模式识别 · 计算机科学 2017-09-08 Yu Zhao , Rennong Yang , Guillaume Chevalier , Maoguo Gong

Neural Radiance Fields (NeRFs) have been remarkably successful at synthesizing novel views of 3D scenes by optimizing a volumetric scene function. This scene function models how optical rays bring color information from a 3D object to the…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Chaitanya Amballa , Sattwik Basu , Yu-Lin Wei , Zhijian Yang , Mehmet Ergezer , Romit Roy Choudhury

Human Presence Detection (HPD) is key to enable intelligent power management and security features in everyday devices. In this paper we propose the first HPD solution that leverages monostatic Wi-Fi sensing and detects user position using…

信号处理 · 电气工程与系统科学 2026-04-24 Jessica Sanson , Rahul C. Shah , Valerio Frascolla

Despite Neural Radiance Fields (NeRF) showing compelling results in photorealistic novel views synthesis of real-world scenes, most existing approaches require accurate prior camera poses. Although approaches for jointly recovering the…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Shin-Fang Chng , Sameera Ramasinghe , Jamie Sherrah , Simon Lucey

This paper presents DeepCRF, a new framework that harnesses deep learning to extract subtle micro-signals from channel state information (CSI) measurements, enabling robust and resilient radio-frequency fingerprinting (RFF) of…

信号处理 · 电气工程与系统科学 2024-11-12 Ruiqi Kong , He Chen

The aim of this work is to introduce MaRF, a novel framework able to synthesize the Martian environment using several collections of images from rover cameras. The idea is to generate a 3D scene of Mars' surface to address key challenges in…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Lorenzo Giusti , Josue Garcia , Steven Cozine , Darrick Suen , Christina Nguyen , Ryan Alimo

Recent years have witnessed the rapid development in the research topic of WiFi sensing that automatically senses human with commercial WiFi devices. This work falls into two major categories, i.e., the activity recognition and the indoor…

人机交互 · 计算机科学 2019-07-22 Fei Wang , Jianwei Feng , Yinliang Zhao , Xiaobin Zhang , Shiyuan Zhang , Jinsong Han

Utilizing multi-view inputs to synthesize novel-view images, Neural Radiance Fields (NeRF) have emerged as a popular research topic in 3D vision. In this work, we introduce a Generalizable Semantic Neural Radiance Field (GSNeRF), which…

计算机视觉与模式识别 · 计算机科学 2024-03-07 Zi-Ting Chou , Sheng-Yu Huang , I-Jieh Liu , Yu-Chiang Frank Wang

Convolutional Neural Networks (CNNs) are successful deep learning models in the field of computer vision. To get the maximum advantage of CNN model for Human Action Recognition (HAR) using inertial sensor data, in this paper, we use 4 types…

计算机视觉与模式识别 · 计算机科学 2021-05-31 Zeeshan Ahmad , Naimul Khan

Neural Radiance Fields (NeRF) has demonstrated its superior capability to represent 3D geometry but require accurately precomputed camera poses during training. To mitigate this requirement, existing methods jointly optimize camera poses…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Hoang Chuong Nguyen , Wei Mao , Jose M. Alvarez , Miaomiao Liu