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Robustness and discrimination power are two fundamental requirements in visual object tracking. In most tracking paradigms, we find that the features extracted by the popular Siamese-like networks cannot fully discriminatively model the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-04 Fei Xie , Chunyu Wang , Guangting Wang , Yue Cao , Wankou Yang , Wenjun Zeng

Wi-Fi sensing uses radio-frequency signals from Wi-Fi devices to analyze environments, enabling tasks such as tracking people, detecting intrusions, and recognizing gestures. The rise of this technology is driven by the IEEE 802.11bf…

Machine Learning · Computer Science 2025-04-30 Danilo Avola , Federica Bruni , Gian Luca Foresti , Daniele Pannone , Amedeo Ranaldi

WiFi-enabled Internet-of-Things (IoT) devices are evolving from mere communication devices to sensing instruments, leveraging Channel State Information (CSI) extraction capabilities. Nevertheless, resource-constrained IoT devices and the…

Information Theory · Computer Science 2024-09-10 Borna Barahimi , Hakam Singh , Hina Tabassum , Omer Waqar , Mohammad Omer

Accurate indoor crowd counting (ICC) is a key enabler to many smart home/office applications. In this paper, we propose a Domain-Agnostic and Sample-Efficient wireless indoor crowd Counting (DASECount) framework that suffices to attain…

Signal Processing · Electrical Eng. & Systems 2022-11-21 Huawei Hou , Suzhi Bi , Lili Zheng , Xiaohui Lin , Yuan Wu , Zhi Quan

Having been studied for more than a decade, Wi-Fi human sensing still faces a major challenge in the presence of multiple persons, simply because the limited bandwidth of Wi-Fi fails to provide a sufficient range resolution to physically…

Networking and Internet Architecture · Computer Science 2023-08-22 Jingzhi Hu , Tianyue Zheng , Zhe Chen , Hongbo Wang , Jun Luo

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…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Jiayuan Tian , Jie Lei , Jiaqing Zhang , Weiying Xie , Yunsong Li

Contactless device-free wireless sensing has recently attracted significant interest due to its potential to support a wide range of immersive human-machine interactive applications using ubiquitously available radio frequency (RF) signals.…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-29 Huixiang Zhu , Yong Xiao , Yingyu Li , Guangming Shi , Marwan Krunz

The Siamese network is becoming the mainstream in change detection of remote sensing images (RSI). However, in recent years, the development of more complicated structure, module and training processe has resulted in the cumbersome model,…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Biyuan Liu , Huaixin Chen , Zhixi Wang

In task-based few-shot learning paradigms, it is commonly assumed that different tasks are independently and identically distributed (i.i.d.). However, in real-world scenarios, the distribution encountered in few-shot learning can…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Jiajun Chen , Hongpeng Yin , Yifu Yang

Comparing to well protected data frames, Wi-Fi management frames (MFs) are extremely vulnerable to various attacks. Since MFs are transmitted without encryption, attackers can forge them easily. Such attacks can be detected in cooperative…

Networking and Internet Architecture · Computer Science 2015-03-20 Zhiping Jiang , Jizhong Zhao , Xiang-Yang Li , JinSong Han , Wei Xi

We introduce a novel network, called CO-attention Siamese Network (COSNet), to address the unsupervised video object segmentation task from a holistic view. We emphasize the importance of inherent correlation among video frames and…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Xiankai Lu , Wenguan Wang , Chao Ma , Jianbing Shen , Ling Shao , Fatih Porikli

Training deep learning models in technical domains is often accompanied by the challenge that although the task is clear, insufficient data for training is available. In this work, we propose a novel approach based on the combination of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-29 Tobias Schlagenhauf , Faruk Yildirim , Benedikt Brückner

Wi-Fi sensing systems are severely hindered by domain shifts when deployed in unseen real-world environments. While existing methods attempt to tackle this through Unsupervised Domain Adaptation (UDA) or Domain Generalization (DG), they…

Machine Learning · Computer Science 2026-03-16 Ke Xu , Zhiyong Zheng , Hongyuan Zhu , Lei Wang , Jiangtao Wang

The ubiquitous availability of smartphones and smartwatches with integrated inertial measurement units (IMUs) enables straightforward capturing of human activities. For specific applications of sensor based human activity recognition (HAR),…

Computer Vision and Pattern Recognition · Computer Science 2023-10-24 Megha Thukral , Harish Haresamudram , Thomas Ploetz

The lack of adequate training data is one of the major hurdles in WiFi-based activity recognition systems. In this paper, we propose Wi-Fringe, which is a WiFi CSI-based device-free human gesture recognition system that recognizes named…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Md Tamzeed Islam , Shahriar Nirjon

Deep learning-based (DL-based) channel state information (CSI) feedback for a Massive multiple-input multiple-output (MIMO) system has proved to be a creative and efficient application. However, the existing systems ignored the wireless…

Signal Processing · Electrical Eng. & Systems 2021-10-13 Haozhen Li , Boyuan Zhang , Xin Liang , Haoran Chang , Xinyu Gu , Lin Zhang

Few-shot segmentation (FSS) expects models trained on base classes to work on novel classes with the help of a few support images. However, when there exists a domain gap between the base and novel classes, the state-of-the-art FSS methods…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Yuhang Lu , Xinyi Wu , Zhenyao Wu , Song Wang

In this paper, we look at the problem of cross-domain few-shot classification that aims to learn a classifier from previously unseen classes and domains with few labeled samples. Recent approaches broadly solve this problem by…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Wei-Hong Li , Xialei Liu , Hakan Bilen

Few-Shot transfer learning has become a major focus of research as it allows recognition of new classes with limited labeled data. While it is assumed that train and test data have the same data distribution, this is often not the case in…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Wenjian Wang , Lijuan Duan , Yuxi Wang , Junsong Fan , Zhi Gong , Zhaoxiang Zhang

In recent times, various modules such as squeeze-and-excitation, and others have been proposed to improve the quality of features learned from wearable sensor signals. However, these modules often cause the number of parameters to be large,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Ayokunle Olalekan Ige , Mohd Halim Mohd Noor