Results 41 to 50 of about 34,981 (232)

Spatial Correlation Between Urban Nighttime Light and Nighttime Robbery, Snatching, and Theft Crimes from the Perspective of Functional Areas: A Case Study of H City

open access: yesRedai dili, 2022
With accelerated urbanization, urban nighttime crimes—especially robbery, snatching, and theft—have received increasing attention from scholars as the highest incidence of local criminal crimes.
Wang Canxiang   +5 more
doaj   +1 more source

p38 Mitogen-activated Protein Kinase Regulates Oscillation of Chick Pineal Circadian Clock [PDF]

open access: yes, 2003
Extracellular signal-regulated kinase (ERK) and p38 are members of the mitogen-activated protein kinase (MAPK) family, and in some cases these kinases serve for closely related cellular functions within a cell. In a wide range of animal clock structures,
Fukada, Yoshitaka   +4 more
core   +1 more source

Light Pollution Reduction in Nighttime Photography

open access: yes, 2021
Nighttime photographers are often troubled by light pollution of unwanted artificial lights. Artificial lights, after scattered by aerosols in the atmosphere, can inundate the starlight and degrade the quality of nighttime images, by reducing contrast and dynamic range and causing hazes.
Liu, Chang, Wu, Xiaolin
openaire   +2 more sources

Mapping of nighttime light trends and refugee population changes in Ukraine during the Russian–Ukrainian War

open access: yesFrontiers in Environmental Science, 2023
The nighttime lights accurately and coherently depict how humans live. This study uses nighttime light measurements to quantify changes in nighttime lighting and refugee population in Ukraine before and after the war.
Chaoqing Huang   +6 more
doaj   +1 more source

Analyzing the Sources and Variations of Nighttime Lights in Hong Kong from VIIRS Monthly Data

open access: yesRemote Sensing
The long-term monitoring of nighttime lights is essential for understanding sources of light pollution. Nighttime lights observed in space are affected by atmospheric conditions as they transmit from the Earth surface through clouds and aerosols to the ...
Shengjie Liu   +2 more
doaj   +1 more source

Everynight Accounting: Nighttime Lights as a Proxy for Economic Performance of Regions

open access: yesRemote Sensing, 2022
Artificial nighttime lights, emitted from residential, industrial, commercial and entertainment areas, and captured by satellites, have proven to be a reliable proxy for on-ground human activities [...]
Nataliya Rybnikova
doaj   +1 more source

Transfer Learning from Deep Features for Remote Sensing and Poverty Mapping

open access: yes, 2016
The lack of reliable data in developing countries is a major obstacle to sustainable development, food security, and disaster relief. Poverty data, for example, is typically scarce, sparse in coverage, and labor-intensive to obtain.
Burke, Marshall   +4 more
core   +1 more source

Map-Guided Curriculum Domain Adaptation and Uncertainty-Aware Evaluation for Semantic Nighttime Image Segmentation

open access: yes, 2021
We address the problem of semantic nighttime image segmentation and improve the state-of-the-art, by adapting daytime models to nighttime without using nighttime annotations.
Dai, Dengxin   +2 more
core   +2 more sources

Which Nighttime Lights Data Better Represent India’s Economic Activities and Regional Inequality?

open access: yesAsian Development Review
This paper demonstrates how the estimation of economic activities and inequality for the Indian economy based on nighttime lights data from the Visible Infrared Imaging Radiometer Suite (VIIRS) satellite outperforms those obtained using traditional ...
CHRISTOPHER KURUVILLA MATHEN   +3 more
doaj   +1 more source

A global record of annual terrestrial Human Footprint dataset from 2000 to 2018

open access: yesScientific Data, 2022
Measurement(s) human footprint Technology Type(s) remote sensing Factor Type(s) Built Environment • Population Density • Nighttime lights • Croplands • Pastures • Roads • Railways • Navigable ...
Haowei Mu   +7 more
doaj   +1 more source

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