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The significance of air pollution and the problems associated with it are fueling deployments of air quality monitoring stations worldwide. The most common approach for air quality monitoring is to rely on environmental monitoring stations,…

信号处理 · 电气工程与系统科学 2021-01-26 Francesco Concas , Julien Mineraud , Eemil Lagerspetz , Samu Varjonen , Xiaoli Liu , Kai Puolamäki , Petteri Nurmi , Sasu Tarkoma

The use of meta-learning and transfer learning in the task of few-shot image classification is a well researched area with many papers showcasing the advantages of transfer learning over meta-learning in cases where data is plentiful and…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Joshua Ball

Low-cost air quality sensors (LCS) provide a practical alternative to expensive regulatory-grade instruments, making dense urban monitoring networks possible. Yet their adoption is limited by calibration challenges, including sensor drift,…

机器学习 · 计算机科学 2026-04-24 Arindam Sengupta , Tony Bush , Ben Marner , Jose Miguel Pérez , Soledad Le Clainche

Low-cost sensors measurements are noisy, which limits large-scale adaptability in airquality monitoirng. Calibration is generally used to get good estimates of air quality measurements out from LCS. In order to do this, LCS sensors are…

信号处理 · 电气工程与系统科学 2024-02-16 M V Narayana , Kranthi Kumar Rachvarapu , Devendra Jalihal , Shiva Nagendra S M

Networks of low-cost sensors are becoming ubiquitous, but often suffer from poor accuracies and drift. Regular colocation with reference sensors allows recalibration but is complicated and expensive. Alternatively the calibration can be…

Effective large-scale air quality monitoring necessitates distributed sensing due to the pervasive and harmful nature of particulate matter (PM), particularly in urban environments. However, precision comes at a cost: highly accurate…

机器学习 · 计算机科学 2025-06-23 Kevin Yin , Julia Gersey , Pei Zhang

Data collection in economically constrained countries often necessitates using approximate and biased measurements due to the low-cost of the sensors used. This leads to potentially invalid predictions and poor policies or decision making.…

机器学习 · 计算机科学 2019-12-02 Michael T. Smith , Joel Ssematimba , Mauricio A. Alvarez , Engineer Bainomugisha

With the continuous development of natural language processing (NLP) technology, text classification tasks have been widely used in multiple application fields. However, obtaining labeled data is often expensive and difficult, especially in…

计算与语言 · 计算机科学 2025-02-14 Jia Gao , Shuangquan Lyu , Guiran Liu , Binrong Zhu , Hongye Zheng , Xiaoxuan Liao

A meta-model is trained on a distribution of similar tasks such that it learns an algorithm that can quickly adapt to a novel task with only a handful of labeled examples. Most of current meta-learning methods assume that the meta-training…

机器学习 · 计算机科学 2019-04-12 Minseop Park , Jungtaek Kim , Saehoon Kim , Yanbin Liu , Seungjin Choi

Recent studies on few-shot classification using transfer learning pose challenges to the effectiveness and efficiency of episodic meta-learning algorithms. Transfer learning approaches are a natural alternative, but they are restricted to…

机器学习 · 计算机科学 2022-05-03 Kuilin Chen , Chi-Guhn Lee

In a world burdened by air pollution, the integration of state-of-the-art sensor calibration techniques utilizing Quantum Computing (QC) and Machine Learning (ML) holds promise for enhancing the accuracy and efficiency of air quality…

The advances of sensor technology enable people to monitor air quality through widely distributed low-cost sensors. However, measurements from these sensors usually encounter high biases and require a calibration step to reach an acceptable…

机器学习 · 计算机科学 2021-05-11 Haomin Yu , Yangli-ao Geng , Yingjun Zhang , Qingyong Li , Jiayu Zhou

In this paper, we describe the design of an inexpensive and agile climate sensor system which can be repurposed easily to measure various pollutants. We also propose the use of machine learning regression methods to calibrate CO2 data from…

系统与控制 · 电气工程与系统科学 2025-03-11 Travis Barrett , Amit Kumar Mishra

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…

机器学习 · 计算机科学 2020-06-23 Carlos Medina , Arnout Devos , Matthias Grossglauser

We propose an adaptation of the curriculum training framework, applicable to state-of-the-art meta learning techniques for few-shot classification. Curriculum-based training popularly attempts to mimic human learning by progressively…

机器学习 · 计算机科学 2021-12-07 Emmanouil Stergiadis , Priyanka Agrawal , Oliver Squire

Few-shot classification aims to learn to classify new object categories well using only a few labeled examples. Transferring feature representations from other models is a popular approach for solving few-shot classification problems. In…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Chun-Nam Yu , Yi Xie

Currently available benchmarks for few-shot learning (machine learning with few training examples) are limited in the domains they cover, primarily focusing on image classification. This work aims to alleviate this reliance on image-based…

声音 · 计算机科学 2022-04-12 Calum Heggan , Sam Budgett , Timothy Hospedales , Mehrdad Yaghoobi

We consider a new problem of few-shot learning of compact models. Meta-learning is a popular approach for few-shot learning. Previous work in meta-learning typically assumes that the model architecture during meta-training is the same as…

机器学习 · 计算机科学 2022-10-19 Yong Wu , Shekhor Chanda , Mehrdad Hosseinzadeh , Zhi Liu , Yang Wang

The rapid development of artificial intelligence and deep learning has provided many opportunities to further enhance the safety, stability, and accuracy of industrial Cyber-Physical Systems (CPS). As indispensable components to many…

机器学习 · 计算机科学 2021-06-25 Shen Zhang , Fei Ye , Bingnan Wang , Thomas G. Habetler

Pre-trained language models (PLMs) have exhibited remarkable few-shot learning capabilities when provided a few examples in a natural language prompt as demonstrations of test instances, i.e., in-context learning. However, the performance…

计算与语言 · 计算机科学 2022-12-06 Feng Nie , Meixi Chen , Zhirui Zhang , Xu Cheng
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