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Recognizing an activity with a single reference sample using metric learning approaches is a promising research field. The majority of few-shot methods focus on object recognition or face-identification. We propose a metric learning…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Raphael Memmesheimer , Nick Theisen , Dietrich Paulus

The embedded sensors in widely used smartphones and other wearable devices make the data of human activities more accessible. However, recognizing different human activities from the wearable sensor data remains a challenging research…

机器学习 · 计算机科学 2023-07-25 Taoran Sheng , Manfred Huber

Many healthcare sensing applications utilize multimodal time-series data from sensors embedded in mobile and wearable devices. Federated Learning (FL), with its privacy-preserving advantages, is particularly well-suited for health…

机器学习 · 计算机科学 2024-11-28 Adiba Orzikulova , Jaehyun Kwak , Jaemin Shin , Sung-Ju Lee

This paper presents a novel multiband passive sensing system that leverages IEEE 802.11bf Wi-Fi signals for environmental sensing, focusing on both sub-7 GHz and millimeter-wave (mmWave) bands. By combining Channel State Information (CSI)…

Clustered Federated Multi-task Learning (CFL) has emerged as a promising technique to address statistical challenges, particularly with non-independent and identically distributed (non-IID) data across users. However, existing CFL studies…

分布式、并行与集群计算 · 计算机科学 2024-12-24 Moqbel Hamood , Abdullatif Albaseer , Mohamed Abdallah , Ala Al-Fuqaha

Incremental few-shot semantic segmentation (IFSS) targets at incrementally expanding model's capacity to segment new class of images supervised by only a few samples. However, features learned on old classes could significantly drift,…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Guangchen Shi , Yirui Wu , Jun Liu , Shaohua Wan , Wenhai Wang , Tong Lu

Remote sensing image interpretation plays a critical role in environmental monitoring, urban planning, and disaster assessment. However, acquiring high-quality labeled data is often costly and time-consuming. To address this challenge, we…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Tong Wang , Guanzhou Chen , Xiaodong Zhang , Chenxi Liu , Jiaqi Wang , Xiaoliang Tan , Wenchao Guo , Qingyuan Yang , Kaiqi Zhang

For ultra-wideband and high-rate wireless communication systems, wideband spectrum sensing (WSS) is critical, since it empowers secondary users (SUs) to capture the spectrum holes for opportunistic transmission. However, WSS encounters…

信息检索 · 计算机科学 2024-09-16 Jibin Jia , Peihao Dong , Fuhui Zhou , Qihui Wu

Incremental few-shot learning is highly expected for practical robotics applications. On one hand, robot is desired to learn new tasks quickly and flexibly using only few annotated training samples; on the other hand, such new additional…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Yiting Li , Haiyue Zhu , Sichao Tian , Fan Feng , Jun Ma , Chek Sing Teo , Cheng Xiang , Prahlad Vadakkepat , Tong Heng Lee

Wireless sensor networks (WSN) acts as the backbone of Internet of Things (IoT) technology. In WSN, field sensing and fusion are the most commonly seen problems, which involve collecting and processing of a huge volume of spatial samples in…

信号处理 · 电气工程与系统科学 2019-06-19 Hui Wu , Zhaoyang Zhang , Chunxu Jiao , Chunguang Li , Tony Q. S. Quek

In Wi-Fi systems, channel state information (CSI) plays a crucial role in enabling access points to execute beamforming operations. However, the feedback overhead associated with CSI significantly hampers the throughput improvements. Recent…

信号处理 · 电气工程与系统科学 2024-07-09 Fan Qi , Jiajia Guo , Yiming Cui , Xiangyi Li , Chao-Kai Wen , Shi Jin

Building upon the foundational work of the Bachelor's Degree Thesis titled "Analysis and Characterization of Wi-Fi Channel State Information'', this thesis significantly advances the research by conducting an in-depth analysis of CSIs,…

网络与互联网体系结构 · 计算机科学 2024-11-06 Elena Tonini

Learning good feature embeddings for images often requires substantial training data. As a consequence, in settings where training data is limited (e.g., few-shot and zero-shot learning), we are typically forced to use a generic feature…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Xin Wang , Fisher Yu , Ruth Wang , Trevor Darrell , Joseph E. Gonzalez

With recent advancements in aerospace technology, the volume of unlabeled remote sensing image (RSI) data has increased dramatically. Effectively leveraging this data through self-supervised learning (SSL) is vital in the field of remote…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Jiayuan Tian , Jie Lei , Jiaqing Zhang , Weiying Xie , Yunsong Li

Wireless Sensor Networks (WSNs) are used in many application fields, such as military, healthcare, environment surveillance, etc. The WSN OS based on event-driven model doesn't support real-time and multi-task application types and the OSs…

操作系统 · 计算机科学 2014-03-21 Kexing Xing , Decheng Zuo , Haiying Zhou , Hou Kun-Mean

Current learning-based wireless methods struggle with generalization due to the fragmented processing of communication and sensing data. WiFo-MiSAC addresses this as a task-agnostic foundation model that tokenizes heterogeneous signals into…

信号处理 · 电气工程与系统科学 2026-04-21 Xuanyu Liu , Shijian Gao , Boxun Liu , Xiang Cheng , Liuqing Yang

Device-free Wi-Fi sensing has numerous benefits in practical settings, as it eliminates the requirement for dedicated sensing devices and can be accomplished using current low-cost Wi-Fi devices. With the development of Wi-Fi standards,…

信号处理 · 电气工程与系统科学 2025-06-16 Wenbo Ding , Yang Li , Dongsheng Wang , Bin Zhao , Yunrong Zhu , Yibo Zhang , Yumeng Miao

Wireless sensor networks (WSNs) have enabled continuous monitoring of an area of interest (body, room, region, etc.) while eliminating expensive wired infrastructure. Typically in such applications, wireless sensor nodes report the sensed…

网络与互联网体系结构 · 计算机科学 2016-07-25 Chayan Sarkar , Vijay S. Rao , R. Venkatesha Prasad

Wireless foundation models (WFMs) have recently demonstrated promising capabilities, jointly performing multiple wireless functions and adapting effectively to new environments. However, while current WFMs process only one modality,…

信号处理 · 电气工程与系统科学 2026-02-20 Ahmed Aboulfotouh , Hatem Abou-Zeid

Few-shot learning is a challenging area of research that aims to learn new concepts with only a few labeled samples of data. Recent works based on metric-learning approaches leverage the meta-learning approach, which is encompassed by…