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Wi-Fi sensing can classify human activities because each activity causes unique changes to the channel state information (CSI). Existing WiFi sensing suffers from limited scalability as the system needs to be retrained whenever new…

信号处理 · 电气工程与系统科学 2022-03-07 Guolin Yin , Junqing Zhang , Guanxiong Shen , Yingying Chen

We propose regression networks for the problem of few-shot classification, where a classifier must generalize to new classes not seen in the training set, given only a small number of examples of each class. In high dimensional embedding…

机器学习 · 计算机科学 2020-06-22 Arnout Devos , Matthias Grossglauser

Monitoring feeding behaviour is a relevant task for efficient herd management and the effective use of available resources in grazing cattle. The ability to automatically recognise animals' feeding activities through the identification of…

The rise of Large Language Models (LLMs) has boosted the use of Few-Shot Learning (FSL) methods in natural language processing, achieving acceptable performance even when working with limited training data. The goal of FSL is to effectively…

The rapid expansion of Internet of Things (IoT) deployments has enlarged the attack surface of modern digital infrastructure while exposing a key security mismatch: many intrusion detection systems (IDSs) remain too computationally…

密码学与安全 · 计算机科学 2026-05-06 Dileepa Mabulage , Banuka Athuraliya

This research introduces a novel approach, MBO-NB, that leverages Migrating Birds Optimization (MBO) coupled with Naive Bayes as an internal classifier to address feature selection challenges in text classification having large number of…

神经与进化计算 · 计算机科学 2024-01-22 Cem Kaya , Zeynep Hilal Kilimci , Mitat Uysal , Murat Kaya

Passive Acoustic Monitoring is a key tool for biodiversity conservation, but the large volumes of unsupervised audio it generates present major challenges for extracting meaningful information. Deep Learning offers promising solutions.…

Environmental acoustic sensing involves the retrieval and processing of audio signals to better understand our surroundings. While large-scale acoustic data make manual analysis infeasible, they provide a suitable playground for machine…

机器学习 · 统计学 2017-12-08 Yunpeng Li , Ivan Kiskin , Davide Zilli , Marianne Sinka , Henry Chan , Kathy Willis , Stephen Roberts

Monitoring of streamed data to detect abnormal behaviour (variously known as event detection, anomaly detection, change detection, or outlier detection) underlies many applications of the Internet of Things. There, one often collects data…

数据结构与算法 · 计算机科学 2022-02-21 Jakub Marecek , Stathis Maroulis , Vana Kalogeraki , Dimitrios Gunopulos

The development of low-cost sensors and novel calibration algorithms offer new opportunities to supplement existing regulatory networks to measure air pollutants at a high spatial resolution and at hourly and sub-hourly timescales. We use a…

Based on the transfer learning, we design a bird species identification model that uses the VGG-16 model (pretrained on ImageNet) for feature extraction, then a classifier consisting of two fully-connected hidden layers and a Softmax layer…

声音 · 计算机科学 2018-03-06 Jiang-jian Xie , Chang-qing Ding , Wen-bin Li , Cheng-hao Cai

The wealth of data being gathered about humans and their surroundings drives new machine learning applications in various fields. Consequently, more and more often, classifiers are trained using not only numerical data but also complex data…

机器学习 · 计算机科学 2022-04-13 Maciej Piernik , Dariusz Brzezinski , Pawel Zawadzki

Machine Learning-based supervised approaches require highly customized and fine-tuned methodologies to deliver outstanding performance. This paper presents a dataset-driven design and performance evaluation of a machine learning classifier…

密码学与安全 · 计算机科学 2022-05-13 Zeinab Zoghi , Gursel Serpen

Machine learning (ML) algorithms become increasingly important in the analysis of astronomical data. However, since most ML algorithms are not designed to take data uncertainties into account, ML based studies are mostly restricted to data…

天体物理仪器与方法 · 物理学 2018-12-26 Itamar Reis , Dalya Baron , Sahar Shahaf

We propose a model to tackle classification tasks in the presence of very little training data. To this aim, we approximate the notion of exact match with a theoretically sound mechanism that computes a probability of matching in the input…

Few-shot learning is a technique to learn a model with a very small amount of labeled training data by transferring knowledge from relevant tasks. In this paper, we propose a few-shot learning method for wearable sensor based human activity…

机器学习 · 计算机科学 2019-03-26 Siwei Feng , Marco F. Duarte

Activity recognition, as an important component of behavioral monitoring and intervention, has attracted enormous attention, especially in Mobile Cloud Computing (MCC) and Remote Health Monitoring (RHM) paradigms. While recently resource…

网络与互联网体系结构 · 计算机科学 2023-11-17 J. Pagan , R. Fallahzadeh , M. Pedram , José L. Risco-Martín , J. M. Moya , J. L. Ayala , H. Ghasemzadeh

Recognition and interpretation of bird vocalizations are pivotal in ornithological research and ecological conservation efforts due to their significance in understanding avian behaviour, performing habitat assessment and judging ecological…

音频与语音处理 · 电气工程与系统科学 2024-07-30 Yashwardhan Chaudhuri , Paridhi Mundra , Arnesh Batra , Orchid Chetia Phukan , Arun Balaji Buduru

Few-shot learners aim to recognize new object classes based on a small number of labeled training examples. To prevent overfitting, state-of-the-art few-shot learners use meta-learning on convolutional-network features and perform…

计算机视觉与模式识别 · 计算机科学 2019-11-19 Yan Wang , Wei-Lun Chao , Kilian Q. Weinberger , Laurens van der Maaten

Low resolution fine-grained classification has widespread applicability for applications where data is captured at a distance such as surveillance and mobile photography. While fine-grained classification with high resolution images has…

计算机视觉与模式识别 · 计算机科学 2021-05-04 Maneet Singh , Shruti Nagpal , Mayank Vatsa , Richa Singh