Results 1 to 10 of about 463,429 (127)

A Hybrid Intelligent Fault Diagnosis Framework for Rolling Bearings and Gears Based on BAYES-ICEEMDAN-SNR Feature Enhancement and ITOC-LSSVM [PDF]

Sensors
To address the challenges of difficult feature extraction for rolling bearing vibration signals, low efficiency in optimizing diagnostic model parameters, and the tendency to get trapped in local optima, this paper proposes an improved ICEEMDAN feature ...
Xiaoxu He, Xingwei Ge, Zhe Wu, Qiang Zhang, Yiying Yang, Yachao Cao   +5 more
doaj   +2 more sources

High-Precision Dynamic Traffic Noise Mapping Based on Road Surveillance Video

ISPRS International Journal of Geo-Information, 2022
High-precision dynamic traffic noise maps can describe the spatial and temporal distributions of noise and are necessary for actual noise prevention. Existing monitoring point-based methods suffer from limited spatial adaptability, and prediction model ...
Yanjie Sun, Mingguang Wu, Xiaoyan Liu, Liangchen Zhou   +3 more
doaj   +1 more source

ZARATAMAP: Noise Characterization in the Scope of a Smart City through a Low Cost and Mobile Electronic Embedded System

Sensors, 2021
Like other sources of pollution, noise is considered to be one of the main concerns of citizens, due to its invisibility and the potential harm it can cause.
Unai Hernandez-Jayo, Amaia Goñi
doaj   +1 more source

A stochastic simulation framework for the prediction of strategic noise mapping and occupational noise exposure using the random walk approach. [PDF]

PLoS ONE, 2015
Strategic noise mapping provides important information for noise impact assessment and noise abatement. However, producing reliable strategic noise mapping in a dynamic, complex working environment is difficult.
Lim Ming Han, Zaiton Haron, Khairulzan Yahya, Suhaimi Abu Bakar, Mohamad Ngasri Dimon   +4 more
doaj   +1 more source

WASN-Based Day–Night Characterization of Urban Anomalous Noise Events in Narrow and Wide Streets

Sensors, 2020
In addition to air pollution, environmental noise has become one of the major hazards for citizens, being Road Traffic Noise (RTN) as its main source in urban areas.
Francesc Alías, Joan Claudi Socoró, Rosa Ma Alsina-Pagès   +2 more
doaj   +1 more source

Characterization of a WASN-Based Urban Acoustic Dataset for the Dynamic Mapping of Road Traffic Noise

Proceedings, 2020
Road Traffic Noise (RTN) is one of the main pollutants in urban and suburban areas, negatively affecting the quality of life of their inhabitants. In the context of the European LIFE DYNAMAP project, two Wireless Acoustic Sensor Networks (WASN) have been
Francesc Alías, Joan Claudi Socoró, Ferran Orga, Rosa Ma Alsina-Pagès   +3 more
doaj   +1 more source

Incorporation of anatomical MRI knowledge for enhanced mapping of brain metabolism using functional PET

NeuroImage, 2021
Functional positron emission tomography (fPET) imaging using continuous infusion of [18F]-fluorodeoxyglucose (FDG) is a novel neuroimaging technique to track dynamic glucose utilization in the brain.
Viswanath P. Sudarshan, Shenpeng Li, Sharna D. Jamadar, Gary F. Egan, Suyash P. Awate, Zhaolin Chen   +5 more
doaj   +1 more source

Deep Learning Tone-Mapping and Demosaicing for Automotive Vision Systems

Sensors, 2023
High dynamic range (HDR) imaging technology is increasingly being used in automated driving systems (ADS) for improving the safety of traffic participants in scenes with strong differences in illumination.
Ana Stojkovic, Jan Aelterman, David Van Hamme, Ivana Shopovska, Wilfried Philips   +4 more
doaj   +1 more source

redicting dynamic specifications of ADCs with a low-quality digital input signal [PDF]

, 2010
A new method is presented to test dynamic parameters of Analogue-to-Digital Converters (ADC). A noisy and nonlinear pulse is applied as the test stimulus, which is suitable for a multi-site test environment.
Kerkhoff, Hans G., Kerzérho, Vincent, Sheng, Xiaoqin   +2 more
core   +5 more sources

The Application Of A Noise Mapping Tool Deployed In Grid Infrastructure For Creating Noise Maps Of Urban Areas

Computer Science, 2013
The concept and implementation of the system for creating dynamic noise mapsin PL-Grid infrastructure are presented. The methodology of dynamic acousti-cal maps creating is introduced.
Maciej Szczodrak, Jozef Kotus, Andrzej Czyzewski, Bozena Kostek   +3 more
doaj   +1 more source