Results 21 to 30 of about 1,675,343 (93)

Compensation for the non‐uniformity correction of multi‐channel TDI CCD under variable gain

open access: yesIET Optoelectronics, Volume 15, Issue 1, Page 27-39, February 2021., 2021
Abstract The compensation for non‐uniformity correction of multi‐channel time delay integration charge coupled device (TDI CCD) under variable gain is presented. The mathematical model of photoelectric conversion is established first, and, then, a two‐step non‐uniformity correction method for multi‐channel TDI CCD is proposed.
Yun‐Hui Li, Xiao‐Dong Wang, Zhi Wang
wiley   +1 more source

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

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

Spatial Distribution and Characteristics of Population in the Guangdong-Hong Kong- Macao Greater Bay Area Based on Night-Light Remote Sensing

open access: yesRedai dili, 2023
The Guangdong-Hong Kong-Macao Greater Bay Area (GBA) is one of the most open regions in China, with the strongest economic vitality and fastest population growth, playing an important role in China's development strategy.
Li Shanshan, Lin Wentan
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

Spatial Downscaling of NPP-VIIRS Nighttime Light Data Using Multiscale Geographically Weighted Regression and Multi-Source Variables

open access: yesRemote Sensing, 2022
Remote sensing images of nighttime lights (NTL) were successfully used at global and regional scales for various applications, including studies on population, politics, economics, and environmental protection.
Shangqin Liu   +7 more
doaj   +1 more source

A Two-Phase Clustering Approach for Urban Hotspot Detection With Spatiotemporal and Network Constraints

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
Urban hotspots are regions with intensive passenger flow, sound infrastructure, and thriving business during a certain period of time, which mirror the travel behavior of residents.
Feng Li, Wenzhong Shi, Hua Zhang
doaj   +1 more source

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