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相关论文: Signal Quality Auditing for Time-series Data

200 篇论文

The statistical regularities of natural images, referred to as natural scene statistics, play an important role in no-reference image quality assessment. However, it has been widely acknowledged that screen content images (SCIs), which are…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Baoliang Chen , Hanwei Zhu , Lingyu Zhu , Shiqi Wang , Sam Kwong

The performance of machine learning models depends heavily on training data. The scarcity of large-scale, well-annotated datasets poses significant challenges in creating robust models. To address this, synthetic data generated through…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Ayush Zenith , Arnold Zumbrun , Neel Raut , Jing Lin

Image quality assessment (IQA) continues to garner great interest in the research community, particularly given the tremendous rise in consumer video capture and streaming. Despite significant research effort in IQA in the past few decades,…

多媒体 · 计算机科学 2016-09-26 Prajna Paramita Dash , Akshaya Mishra , Alexander Wong

Speech intelligibility and quality assessment models are essential tools for researchers to evaluate and improve speech processing models. However, only a few studies have investigated multi-task models for intelligibility and quality…

声音 · 计算机科学 2022-07-04 Yu-Wen Chen , Yu Tsao

High-quality data is key to interpretable and trustworthy data analytics and the basis for meaningful data-driven decisions. In practical scenarios, data quality is typically associated with data preprocessing, profiling, and cleansing for…

数据库 · 计算机科学 2019-07-19 Lisa Ehrlinger , Elisa Rusz , Wolfram Wöß

Context: Software Quality Assurance (SQA) is a fundamental part of software engineering to ensure stakeholders that software products work as expected after release in operation. Machine Learning (ML) has proven to be able to boost SQA…

软件工程 · 计算机科学 2024-10-29 Luca Giamattei , Antonio Guerriero , Roberto Pietrantuono , Stefano Russo

Time series data are foundational in finance, healthcare, and energy domains. However, most existing methods and datasets remain focused on a narrow spectrum of tasks, such as forecasting or anomaly detection. To bridge this gap, we…

计算与语言 · 计算机科学 2025-07-01 Yaxuan Kong , Yiyuan Yang , Yoontae Hwang , Wenjie Du , Stefan Zohren , Zhangyang Wang , Ming Jin , Qingsong Wen

Recurrence quantification analysis (RQA) is a well established method of nonlinear data analysis. In this work we present a new strategy for an almost parameter-free RQA. The approach finally omits the choice of the threshold parameter by…

数据分析、统计与概率 · 物理学 2022-11-02 Radim Pánis , Karel Adámek , Norbert Marwan

The Intelligence Impact Quotient (IIQ) is a composite metric intended to quantify the depth to which AI systems are integrated into organizational work and their impact. Rather than treating access counts or aggregate token volume as…

Recurrence quantification analysis (RQA) is a widely used tool for studying complex dynamical systems, but its standard implementation requires computationally expensive calculations of recurrence plots (RPs) and line length histograms.…

混沌动力学 · 物理学 2026-01-06 Norbert Marwan

Calculating an Air Quality Index (AQI) typically uses data streams from air quality sensors deployed at fixed locations and the calculation is a real time process. If one or a number of sensors are broken or offline, then the real time AQI…

机器学习 · 计算机科学 2022-12-21 Dinh Viet Cuong , Phuc H. Le-Khac , Adam Stapleton , Elke Eichlemann , Mark Roantree , Alan F. Smeaton

Audio quality assessment has been widely researched in the signal processing area. Full-reference objective metrics (e.g., POLQA, ViSQOL) have been developed to estimate the audio quality relying only on human rating experiments. To…

声音 · 计算机科学 2022-07-01 Jack Geraghty , Jiazheng Li , Alessandro Ragano , Andrew Hines

Long-term Action Quality Assessment (AQA) evaluates the execution of activities in videos. However, the length presents challenges in fine-grained interpretability, with current AQA methods typically producing a single score by averaging…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Xu Dong , Xinran Liu , Wanqing Li , Anthony Adeyemi-Ejeye , Andrew Gilbert

Millions of cameras at edge are being deployed to power a variety of different deep learning applications. However, the frames captured by these cameras are not always pristine - they can be distorted due to lighting issues, sensor noise,…

图像与视频处理 · 电气工程与系统科学 2021-10-27 Sibendu Paul , Utsav Drolia , Y. Charlie Hu , Srimat T. Chakradhar

Spectator qubits (SQs) for random-telegraph noise mitigation have been proposed by Song et al., Phys. Rev. A, 107, L030601 (2023), where an SQ operates as a noise probe to estimate optimal noise-correction control on the hard-to-access data…

量子物理 · 物理学 2026-05-12 Y. Liu , A. Chantasri , H. Song , H. M. Wiseman

This paper presents a theoretical framework for an AI-driven data quality monitoring system designed to address the challenges of maintaining data quality in high-volume environments. We examine the limitations of traditional methods in…

Foundation models for time series analysis (TSA) have attracted significant attention. However, challenges such as data scarcity and data imbalance continue to hinder their development. To address this, we consider modeling complex systems…

机器学习 · 计算机科学 2025-02-24 Wenxuan Wang , Kai Wu , Yujian Betterest Li , Dan Wang , Xiaoyu Zhang , Jing Liu

The unprecedented growth of Internet of Things (IoT) and its applications in areas such as Smart Agriculture compels the need to devise newer ways for evaluating the quality of such applications. While existing models for application…

信号处理 · 电气工程与系统科学 2022-01-04 Kaneez Fizza , Prem Prakash Jayaraman , Abhik Banerjee , Dimitrios Georgakopoulos , Rajiv Ranjan

Image quality assessment (IQA) is crucial in the evaluation stage of novel algorithms operating on images, including traditional and machine learning based methods. Due to the lack of available quality-rated medical images, most commonly…

Foundation models for time series analysis (TSA) have attracted significant attention. However, challenges such as training data scarcity and imbalance continue to hinder their development. Inspired by complex dynamic system theories, we…

机器学习 · 计算机科学 2025-10-21 Wenxuan Wang , Kai Wu , Yujian Betterest Li , Dan Wang , Xiaoyu Zhang