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Mid-term Performance and Calibration of Multi-sensor Low-Cost Systems for Air Quality Monitoring in Urban Environments

This study evaluates mid-term calibration strategies for MONICA, a compact low-cost multi-sensor device for urban air quality monitoring, in the context of the upcoming EU Air Quality Directive 2024/2881. A key objective is to optimize the trade-off between calibration duration and long-term monitoring performance, balancing statistical robustness with practical deployment constraints. This question is particularly relevant in mid-latitude regions, where seasonal variability may introduce bia...

CrowdRMLE: An Efficient Approach to Analyze Crowdsourcing Datasets in Image and Video Quality Assessment

In image and video quality assessment, standardized approaches to analyze subjectively annotated datasets typically consider subject bias and inconsistency. While effective, these methods fail to capture the full complexity of how subjects interpret and use each opinion score on the quality scale. A recently proposed method, Regularized Maximum Likelihood Estimation (RMLE), partially overcomes this limitation by examining how a subject interacts with each opinion score. However, RMLE's high c...

Understanding driver behaviour after consuming conventional wines with different sulphite contents: Insights from a driving simulator study

Background Alcohol consumption is a contributing factor to traffic crashes and road fatalities worldwide. While the effects of blood alcohol concentration (BAC) on driving performance are well documented, less is known about the role of sulphites, used for their antimicrobial and antioxidant properties, on driving performance. Method Using a triple-blind, randomised, within-subjects design, thirty-two participants completed three driving simulation trials under sober conditions and after c...

An efficient reduced order modeling for vibration prediction of geometrically nonlinear structures with friction contact

This paper introduces an original reduced-order model (ROM) for efficient vibration analysis of geometrically nonlinear structures with frictional contact. The proposed approach integrates the IC-Dual method with a free-interface Component Mode Synthesis (Rubin) formulation to capture both global geometric and local contact effects. The reduction basis-comprising linear modes, static fields, and dual modes-is computed on the configuration in which the contact interface is open (i.e., no conta...

A Survey-Based, Multi-Scale Framework for Geometric Characterization of Heritage Irregular Stone Masonry Facades: A Qing Dynasty Imperial-Garden Rockery as a Case Study

Rockeries in Qing-dynasty imperial gardens are irregular stone masonry structures combining aesthetic scene composition with engineering attributes. Existing geometric characterization methods, mostly oriented towards regular Western stone masonry walls and operating at a single scale, are inadequate for resolving the multi-tier composition rules on the primary viewing facade of rockeries. This study develops a multi-scale geometric quantification framework for the primary viewing facade of r...

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