Results 71 to 80 of about 479,513 (303)

The effect of traffic flows on urban soundscape dynamics and how to analyze it [PDF]

open access: yes, 2004
Subjective evaluation of soundscapes considers without a doubt the change in amplitude and frequency of the acoustic signal over time. The urban environment can make these soundscape dynamics become rather complex and interesting.
Botteldooren, Dick   +2 more
core   +1 more source

Noise and urban man.

open access: yesAmerican Journal of Public Health and the Nations Health, 1968
NOISE abatement and the need for it are virtually neglected issues in American life today. Unless the medical and public health professions become deeply involved in these problems, it is likely that apathy and inertia will defer any effective action for another decade or even longer. But wethe public-cannot wait that long.
openaire   +3 more sources

Artificial Intelligence in Autonomous Mobile Robot Navigation: From Classical Approaches to Intelligent Adaptation

open access: yesAdvanced Intelligent Systems, EarlyView.
Artificial intelligence (AI) is reshaping autonomous mobile robot navigation beyond classical pipelines. This review analyzes how AI techniques are integrated into core navigation tasks, including path planning and control, localization and mapping, perception, and context‐aware decision‐making. Learning‐based, probabilistic, and soft‐computing methods
Giovanna Guaragnella   +5 more
wiley   +1 more source

Benchmarking the aircraft noise mapping package developed for a unified urban environmental modelling tool

open access: yesNoise Mapping
In densely populated cities, residents living near aerodromes may experience heightened exposure to aircraft noise. With hybrid work arrangement, authorities have observed a rise in the number of complaints filed by residents affected by aircraft noise ...
Ang Linus Yinn Leng   +2 more
doaj   +1 more source

Airborne urban/suburban noise measurements at 121.5/243 MHz [PDF]

open access: yes
An airborne measurement of the terrestrial, radio-frequency (RF) noise environment over U.S. metropolitan urban/suburban areas has been made at the 121.5/243 MHz emergency-distress search and rescue (S&R) communications frequencies. Profile contour plots
Hill, J. S., Taylor, R. E.
core   +1 more source

How urban noise can be influenced by the urban form [PDF]

open access: yes, 2010
The noise propagation is influenced by the behavior of the sound trajectory. The temperatures, the wind, the type of soil are other elements that influence the noise propagation.
Oliveira, Marta Isabela Fernandes   +1 more
core  

Modeling Camera Effects to Improve Visual Learning from Synthetic Data

open access: yes, 2018
Recent work has focused on generating synthetic imagery to increase the size and variability of training data for learning visual tasks in urban scenes.
A Andreopoulos   +10 more
core   +1 more source

Mean field games models of segregation [PDF]

open access: yes, 2017
This paper introduces and analyzes some models in the framework of mean field games (MFGs) describing interactions between two populations motivated by the studies on urban settlements and residential choice by Thomas Schelling.
Achdou, YVES MAURICE   +2 more
core   +1 more source

Gate‐Align‐SED: Semi‐Supervised Sound Event Detection via Adaptive Feature Gating and Cross‐Task Alignment in Situation Awareness

open access: yesAdvanced Intelligent Systems, EarlyView.
Overview of the proposed Gate‐Align‐SED, including two stages of training: (1) Mean‐Teacher SSL Training; and (2) Enhancer Model Training. In complex real‐world environments such as disaster monitoring, effective sound event detection (SED) is often hindered by the presence of noise and limited labeled data.
Jieli Chen   +4 more
wiley   +1 more source

Effect of vegetation on sound fields in idealised urban open spaces [PDF]

open access: yes, 2013
Noise pollution is a major environmental problem within the EU and during the last years vegetation was examined for its benefits in increasing health and well-being of citizens from different viewpoints, including noise control and soundscape ...
Astolfi, Arianna   +3 more
core  

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