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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…

Audio and Speech Processing · Electrical Eng. & Systems 2026-03-25 Jessica Sanson , Rahul C. Shah , Yazhou Zhu , Rafael Rosales , Valerio Frascolla

Advanced automated AI techniques allow us to classify protein sequences and discern their biological families and functions. Conventional approaches for classifying these protein families often focus on extracting N-Gram features from the…

Quantitative Methods · Quantitative Biology 2024-10-24 Bahar Ali , Anwar Shah , Malik Niaz , Musadaq Mansoord , Sami Ullah , Muhammad Adnan

In recent years, the success of large-scale vision-language models (VLMs) such as CLIP has led to their increased usage in various computer vision tasks. These models enable zero-shot inference through carefully crafted instructional text…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Mainak Singha , Ankit Jha , Bhupendra Solanki , Shirsha Bose , Biplab Banerjee

Few-shot object detection (FSOD) aims to detect never-seen objects using few examples. This field sees recent improvement owing to the meta-learning techniques by learning how to match between the query image and few-shot class examples,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Guangxing Han , Yicheng He , Shiyuan Huang , Jiawei Ma , Shih-Fu Chang

Energy Efficiency of a wireless sensor network (WSN) relies on its main characteristics, including hop-number, user's location, allocated power, and relay. Identifying nodes, which have more impact on these characteristics, is, however,…

Networking and Internet Architecture · Computer Science 2023-05-02 Behnam Ojaghi , Mohammad Mahdi Dehshibi

This paper introduces the first wireless gesture recognition system that operates using existingWi-Fi signals and devices. To achieve this, we first identify limitations of existing wireless gesture recognition approaches that limit their…

Human-Computer Interaction · Computer Science 2014-11-21 Rajalakshmi Nandakumar , Bryce Kellogg , Shyamnath Gollakota

Few-shot image classification has received considerable attention for overcoming the challenge of limited classification performance with limited samples in novel classes. Most existing works employ sophisticated learning strategies and…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Meijuan Su , Feihong He , Fanzhang Li

Few-shot learning features the capability of generalizing from a few examples. In this paper, we first identify that a discriminative feature space, namely a rectified metric space, that is learned to maintain the metric consistency from…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Yang Zhao , Chunyuan Li , Ping Yu , Changyou Chen

The ability to incrementally learn new classes is vital to all real-world artificial intelligence systems. A large portion of high-impact applications like social media, recommendation systems, E-commerce platforms, etc. can be represented…

Machine Learning · Computer Science 2021-12-28 Zhen Tan , Kaize Ding , Ruocheng Guo , Huan Liu

There is a need for fast adaptation in spike sorting algorithms to implement brain-machine interface (BMIs) in different applications. Learning and adapting the functionality of the sorting process in real-time can significantly improve the…

Signal Processing · Electrical Eng. & Systems 2025-09-08 Tao Fang , Majid Zamani

Semantic segmentation models have two fundamental weaknesses: i) they require large training sets with costly pixel-level annotations, and ii) they have a static output space, constrained to the classes of the training set. Toward…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Fabio Cermelli , Massimiliano Mancini , Yongqin Xian , Zeynep Akata , Barbara Caputo

Image contour based vision measurement is widely applied in robot manipulation and industrial automation. It is appealing to realize object-agnostic vision system, which can be conveniently reused for various types of objects. We propose…

Computer Vision and Pattern Recognition · Computer Science 2021-03-26 Fangbo Qin , Jie Qin , Siyu Huang , De Xu

Few-shot classification addresses the challenge of classifying examples given only limited labeled data. A powerful approach is to go beyond data augmentation, towards data synthesis. However, most of data augmentation/synthesis methods for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Michalis Lazarou , Yannis Avrithis , Tania Stathaki

One-shot image classification aims to train image classifiers over the dataset with only one image per category. It is challenging for modern deep neural networks that typically require hundreds or thousands of images per class. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Wanqi Xue , Wei Wang

WiFi-based gesture recognition has emerged as a promising RF sensing paradigm for enabling non-contact and privacy-preserving human-computer interaction in AIoT environments. However, existing methods often suffer from limited…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Feng-Qi Cui , Yu-Tong Guo , Tianyue Zheng , Jinyang Huang

WiFi-based human action recognition (HAR) has gained significant attention due to its non-intrusive and privacy-preserving nature. However, most existing WiFi sensing models predominantly focus on improving recognition accuracy, while…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Nengbo Zhang , Yao Ying , Lu Wang , Kaishun Wu , Jieming Ma , Fei Luo

Although the Prototypical Network (ProtoNet) has demonstrated effectiveness in few-shot biological event detection, two persistent issues remain. Firstly, there is difficulty in constructing a representative negative prototype due to the…

Sound · Computer Science 2024-09-24 Yaxiong Chen , Xueping Zhang , Yunfei Zi , Shengwu Xiong

The utilization of Wi-Fi based human activity recognition has gained considerable interest in recent times, primarily owing to its applications in various domains such as healthcare for monitoring breath and heart rate, security, elderly…

Signal Processing · Electrical Eng. & Systems 2024-01-12 Chih-Yang Lin , Chia-Yu Lin , Yu-Tso Liu , Timothy K. Shih

Few-shot learning is a challenging task, which aims to learn a classifier for novel classes with few examples. Pre-training based meta-learning methods effectively tackle the problem by pre-training a feature extractor and then fine-tuning…

Computer Vision and Pattern Recognition · Computer Science 2021-06-25 Baoquan Zhang , Xutao Li , Yunming Ye , Zhichao Huang , Lisai Zhang

Most approaches in few-shot learning rely on costly annotated data related to the goal task domain during (pre-)training. Recently, unsupervised meta-learning methods have exchanged the annotation requirement for a reduction in few-shot…

Machine Learning · Computer Science 2020-06-23 Carlos Medina , Arnout Devos , Matthias Grossglauser