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Map of real-time air pollution monitoring stations.doi:10.1371/journal.pone.0135749.g001A. RobertA. M. RichardPLOS ONE
Recently, air quality analysis based on image sensing devices has attracted much attention. Since most smoke images in real scenes have challenging variances, which is difficult for existing object detection methods. To keep real-time factory smoke under
Beijing-based data scientist Yann Boquillod founded AirVisual Earth, an online air pollution map that uses data from satellites and more than 8000 monitoring stations to display global air pollution in real time.
These studies showed that the contributions of emission sources and secondary aerosol processing to PM air pollution differed remarkably among sites and through time, such as the abundance of biomass burning aerosols (e.g. anhydrosugars, K) in cold seasons and rural sites, compared to warm seasons...
The experimental results show that the PB-YOLOv5 model proposed in this paper can accurately identify five types of defects on the particleboard surface: Bigshavings, SandLeakage, GlueSpot, Soft and OliPollution, and meet the real-time requirements. Specifically, recall, F1 score, mAP@.5, mAP...
We present a geostatistical data fusion technique for combining near real-time observations of urban air quality from low-cost sensors platforms with output from an urban-scale air pollution dispersion model, with the objective of providing highly detailed, up-to-date maps of urban air quality. Da...
we used YOLO v3 which provided a mAP score of 57.9%. We improved this mAP score by re-training the model for the purpose of human detection specifically, and with this, we increased the mAP to 70.2 %. With this, we were able to detect humans in real-time speed with outstanding accurac...
Sea surface temperature (SST) is quite satisfactorily retrieved in real time and with enough resolution to reach fields at submesoscale. For the ocean velocity, altimetry offers the possibility to build maps of velocity fields interpolating along-track information. In this case, the resolution ...
Local time zone: Is this incorrect? Set your custom location HOW MANY SATELLITES CAN WE SAFELY FIT IN EARTH ORBIT?- Experts have been sounding alarm bells for years that Earth orbit is getting a bit too crowded. So how many satellites can we actually launch to space before it gets to be...