Results 21 to 30 of about 1,556,955 (77)

RECOGNITION OF URBAN FUNCTIONAL REGIONS AT STREET SCALE BASED ON LJ1-01 NIGHT-TIME LIGHT REMOTE SENSING AND MOBILE BIG DATA [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Night-time light (NTL) remote sensing data has been widely used in the analysis of human activities at night for a large extent, such as light pollution monitoring and recognition of urban functional regions.
Q. Zhou   +5 more
doaj   +1 more source

Extraction of urban built-up area based on the fusion of night-time light data and point of interest data

open access: yesRoyal Society Open Science, 2021
The accurate extraction of urban built-up areas is an important prerequisite for urban planning and construction. As a kind of data that can represent urban spatial form, night-time light data has been widely used in the extraction of urban built-up ...
Xiong He, Zhiming Zhang, Zijiang Yang
doaj   +1 more source

The Multi-Center Spatial Structure in the Guangdong-Hong Kong-Macao Greater Bay Area Urban Agglomeration Based on Luojia1-01 Nighttime Light Data and POI Data

open access: yesRedai dili, 2022
The Guangdong-Hong Kong-Macao Greater Bay Area (referred to as "GBA") is an important strategic deployment for China's current economic development.
Zhi Qiuying   +3 more
doaj   +1 more source

Housing Vacancy Rate in Major Cities in China: Perspectives from Nighttime Light Data

open access: yesComplexity, Volume 2020, Issue 1, 2020., 2020
In recent years, the phenomenon of housing vacancy rate (HVR) has attracted considerable attention, especially concerning unjustified expansions of Chinese cities. The aforementioned trend is disadvantageous in that it will ultimately lead to tremendous wastage of valuable land that could otherwise be more productively utilized.
Zhiru Tan   +3 more
wiley   +1 more source

Poverty estimation at the county level by combining LuoJia1-01 nighttime light data and points of interest

open access: yes, 2021
To reduce poverty, it is important to obtain accurate information on poverty conditions in a timely manner. Previous studies indicated that nighttime light products are helpful for poverty estimation.
Shuyi Luo, Yiqin Huang, Jinyao Lin
core   +1 more source

Assessing Light Pollution Using POI and Luojia1-01 Night-Time Imagery From a Quantitative Perspective at City Scale

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
In previous studies using night-time light (NTL) image in analyzing light pollution, most of the researchers focused on national or regional scale analysis.
Fei Zhao   +8 more
doaj   +1 more source

Population spatialization in Zhengzhou city based on multi-source data and random forest model

open access: yesFrontiers in Earth Science, 2023
Fine-scale population map plays an essential role in numerous fields, including resource allocation, urban planning, disaster prevention and response.
Lingling Liu   +3 more
doaj   +1 more source

Potentiality of SDGSAT-1 glimmer imagery to investigate the spatial variability in nighttime lights

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2023
The successful launch of Sustainable Development Science Satellite 1 (SDGSAT-1) complements the existing nighttime lights (NTL) data with high spatial resolution in the three visible bands (40 m) and the panchromatic band (10 m).
Biyun Guo, Deyong Hu, Qiming Zheng
doaj   +1 more source

Multi-nighttime-light data comparison analysis based on image quality values and lit fishing vessel identification effect

open access: yesFrontiers in Environmental Science, 2023
Fisheries provide high-quality protein for many people, and their sustainable use is of global concern. Light trapping is a widely used fishing method that takes advantage of the phototropism of fish.
Weifeng Zhou, Huijuan Hu, Tianfei Cheng
doaj   +1 more source

Local Climate Zone Mapping Using Multi-Source Free Available Datasets on Google Earth Engine Platform

open access: yesLand, 2021
As one of the widely concerned urban climate issues, urban heat island (UHI) has been studied using the local climate zone (LCZ) classification scheme in recent years. More and more effort has been focused on improving LCZ mapping accuracy. It has become
Lingfei Shi, Feng Ling
doaj   +1 more source

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