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Lest a Smoky Haze of Doubt Suffocate Progress Towards Better Pulse Oximeters.
Ann Am Thorac Soc
December 2024
Johns Hopkins University, Baltimore, Maryland, United States.
Association between long-term PM exposure and mortality on Sumatra Island: Indonesian Family Life Survey (IFLS) 2000-2014.
Environ Monit Assess
November 2024
Institute of Environmental and Occupational Health Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan.
The concentration of PM (particulate matter with a diameter < 2.5 µm) on Sumatra Island has increased, mainly because of forest and peatland fires, transportation, and industry. Biomass burning releases partially burned carbon into the atmosphere, resulting in a smoky haze containing PM.
View Article and Find Full Text PDFAnalysis of multispectral polarization imaging image information based on micro-polarizer array.
PLoS One
February 2024
Space Opto-Electronics Technology Institute, Changchun University of Science and Technology, Changchun, China.
As a new detection technology, polarization imaging is of great significance in the field of target detection. At present, polarization imaging technology usually adopts visible light polarization imaging. The technique is difficult to image the target in complex background due to its narrow working spectrum and short detection distance.
View Article and Find Full Text PDFColor-Dense Illumination Adjustment Network for Removing Haze and Smoke from Fire Scenario Images.
Sensors (Basel)
January 2022
State Key Laboratory of Nuclear Power Safety Monitoring Technology and Equipment, China Nuclear Power Engineering Co., Ltd., Shenzhen 518172, China.
The atmospheric particles and aerosols from burning usually cause visual artifacts in single images captured from fire scenarios. Most existing haze removal methods exploit the atmospheric scattering model (ASM) for visual enhancement, which inevitably leads to inaccurate estimation of the atmosphere light and transmission matrix of the smoky and hazy inputs. To solve these problems, we present a novel color-dense illumination adjustment network (CIANet) for joint recovery of transmission matrix, illumination intensity, and the dominant color of aerosols from a single image.
View Article and Find Full Text PDFOpen-path, closed-path, and reconstructed aerosol extinction at a rural site.
J Air Waste Manag Assoc
August 2018
a Handix Scientific, LLC , Boulder , CO , USA.
Unlabelled: The Handix Scientific open-path cavity ringdown spectrometer (OPCRDS) was deployed during summer 2016 in Great Smoky Mountains National Park (GRSM). Extinction coefficients from the relatively new OPCRDS and from a more well-established extinction instrument agreed to within 7%. Aerosol hygroscopic growth (f(RH)) was calculated from the ratio of ambient extinction measured by the OPCRDS to dry extinction measured by a closed-path extinction monitor (Aerodyne's cavity-attenuated phase shift particulate matter extinction monitor [CAPS PMex]).
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