Results 81 to 90 of about 91,231 (150)

Polarization-Based Fiber Optic System for Debris Flow Early Warning: On-Field Demonstration

IEEE Photonics Journal
Naturally occurring mass transport events can endanger human life and infrastructure integrity, especially in mountain areas often affected by landslides, debris flows, and avalanches.
Saverio Pellegrini, Giuseppe Rizzelli, Marco Barla, Roberto Gaudino   +3 more
doaj   +1 more source

Real-time active-learning method for audio-based anomalous event identification and rare events classification for audio events detection

Frontiers in Computer Science
IntroductionAudio event detection, the application of scientific methods to analyze audio recordings, can be helpful in examining and analyzing audio recordings to preserve, analyze, and interpret sound evidence.
Farkhund Iqbal, Ahmed Abbasi, Ahmad Almadhor, Shtwai Alsubai, Michal Gregus   +4 more
doaj   +1 more source

Principal component analysis and singular spectrum analysis of ULF geomagnetic data associated with earthquakes [PDF]

Natural Hazards and Earth System Sciences, 2005
In order to extract any ULF signature associated with earthquakes, the principal component analysis (PCA) and singular spectral analysis (SSA) have been performed to investigate the possibility of discrimination of signals from different sources ...
A. Serita, A. Serita, K. Hattori, C. Yoshino, M. Hayakawa, N. Isezaki   +5 more
doaj  

SED-NET: Real-Time Suspicious Event Detection via Deep Learning-Based Di-Stream Neural Network

International Journal of Computational Intelligence Systems
Suspicious event detection (SED) identifies anomalous activities in surveillance data using computer vision and machine learning techniques. However, existing approaches have high false positive rates difficulty distinguishing suspicious from normal ...
D. Siva Senthil, T. S. Sivarani
doaj   +1 more source

An Improved Change Detection Method for Time-Series Soil Moisture Retrieval in Semi-Arid Area

Remote Sensing
Although surface soil moisture (SSM) is particularly important in crop yield prediction, irrigation scheduling optimization, and runoff generation mechanisms, accurate monitoring of time-series SSM is still challenging for agricultural and hydrological ...
Jing Zhang, Liangliang Tao
doaj   +1 more source

Adapting an Anomalous Noise Events Detectorfor Real-Life Operation in the Rome SuburbanPilot Area of the DYNAMAP’s Project

, 2018
The DYNAMAP project is aimed at implementing a dynamic noise mapping system able to determine the acoustic impact of road infrastructures in real-time, encouraged by the European Noise Directive 2002/49/EC. The noise maps are updated using the information retrieved from a low-cost Wireless Acoustic Sensor Network (WASN) deployed in two pilot areas: in ...
Socoró Carrié, Joan Claudi, Alsina Pagès, Rosa Maria, Alías Pujol, Francesc, Orga Vidal, Ferran   +3 more
openaire   +2 more sources

Different types of criteria for dealing with anomalous noise events in urban environments under stable road traffic flow conditions

Applied Acoustics, 2023
David Montes González, Juan Miguel Barrigón Morillas, Guillermo Rey-Gozalo   +2 more
openaire   +1 more source

Phylotranscriptomic discordance is best explained by incomplete lineage sorting within Allium subgenus Cyathophora and thus hemiplasy accounts for interspecific trait transition

Plant Diversity
The transition of traits between genetically related lineages is a fascinating topic that provides clues to understanding the drivers of speciation and diversification. Much can be learned about this process from phylogeny-based trait evolution. However,
Zengzhu Zhang, Gang Liu, Minjie Li
doaj   +1 more source

HIPER-CHAD: Hybrid Integrated Prediction-Error Reconstruction-Based Anomaly Detection for Multivariate Indoor Environmental Time-Series Data. [PDF]

Sensors (Basel)
Widartha VP, Kim CS.
europepmc   +1 more source

A simulation-based dataset for anomaly detection in hydrogen blend transport networks. [PDF]

Data Brief
Senese A, De Vito S, Esposito E, Villari M, Acampora G, Francia GD, Longobardi A, Monteleone G.   +7 more
europepmc   +1 more source