Results 21 to 30 of about 33,254 (214)
In remote sensing, the conversion of at-sensor radiance to surface reflectance for each pixel in a scene is an essential component of many analysis tasks.
Luke J. R. DeCoffe +5 more
doaj +1 more source
Using Ground Targets to Validate S-NPP VIIRS Day-Night Band Calibration
In this study, the observations from S-NPP VIIRS Day-Night band (DNB) and Moderate resolution bands (M bands) of Libya 4 and Dome C over the first four years of the mission are used to assess the DNB low gain calibration stability.
Xuexia Chen +5 more
doaj +1 more source
Cirrus Cloud Identification from Airborne Far-Infrared and Mid-Infrared Spectra
Airborne interferometric data, obtained from the Cirrus Coupled Cloud-Radiation Experiment (CIRCCREX) and from the PiknMix-F field campaign, are used to test the ability of a machine learning cloud identification and classification algorithm (CIC).
Davide Magurno +10 more
doaj +1 more source
Machine learning estimation of tissue optical properties
Dynamic, in vivo measurement of the optical properties of biological tissues is still an elusive and critically important problem. Here we develop a technique for inverting a Monte Carlo simulation to extract tissue optical properties from the ...
Brett H. Hokr, Joel N. Bixler
doaj +1 more source
Infrared Multispectral Radiation Temperature Measurement Based on PCA-ELM
In the case of unknown target emissivity, an infrared multispectral radiation temperature measurement method based on principal component analysis (PCA) and extreme learning machine (ELM) is established.
XI Jianhui, JIANG Han, CHEN Bo, FU Li
doaj +1 more source
This document addresses the development of a novel methodology to identify the actual maintenance factor of the luminaires of an outdoor lighting installation in order to assess their lighting performance.
Ana Ogando-Martínez +2 more
doaj +1 more source
Rhino-orbital mucormycosis in COVID-19 patients—a new threat?
Background Coronavirus disease 2019 (COVID-19) is known to be associated with a myriad of viral, fungal, and bacterial co-infections. Rhino-orbital mucormycosis is a rare angio-invasive fungal infection which has shown a rising trend in the setting of ...
Sandeep Singh Awal +2 more
doaj +1 more source
Daylight is important for the well-being of humans. Therefore, many office buildings use large windows and glass facades to let more daylight into office spaces.
Raghuram Kalyanam, Sabine Hoffmann
doaj +1 more source
Sun and Lightning: The Visibility of Radiance [PDF]
A long chapter for The War of Appearances: Transparency, Opacity, Radiance (V2_Publishing, 2016) building on the findings of “Charis and Radiance,” an essay published two years earlier. It discusses the inherent connection between visibility and radiance
Spuybroek, Lars
core +2 more sources
GeoNEX is a collaborative project led by scientists from NASA, NOAA, and many other institutes around the world to generate Earth monitoring products using data streams from the latest Geostationary (GEO) sensors including the GOES-16/17 Advanced ...
Weile Wang +6 more
doaj +1 more source

