Results 21 to 30 of about 222 (111)
SDGSAT-1 Cloud Detection Algorithm Based on RDE-SegNeXt
This paper proposes an efficient cloud detection algorithm for Sustainable Development Scientific Satellite (SDGSAT-1) data. The core work includes the following: (1) constructing a SDGSAT-1 cloud detection dataset containing five types of elements ...
Xueyan Li, Changmiao Hu
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Identification of illumination source types using nighttime light images from SDGSAT-1
The constant need for decarbonization has led to the replacement of artificial light at night (ALAN) with light-emitting diodes (LEDs), inducing blue light pollution and its consequent adverse effects.
Ziqi Yin +6 more
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Three-Year On-Orbit Radiometric Performance of the SDGSAT-1 Multispectral Imager (MSI)
In this article, we present a comprehensive evaluation of the on-orbit radiometric performance of the multispectral imager (MSI) onboard the sustainable development goals science satellite 1 (SDGSAT-1). Launched on November 5, 2021, SDGSAT-1 is the first
Lin Yan +7 more
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Road information plays a fundamental role in many applications. However, at present, it is difficult to extract road information from the traditional nighttime light images in view of their low spatial and spectral resolutions.
Dingkun Chang +3 more
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AOD Derivation from SDGSAT-1/GLI Dataset in Mega-City Area
Aerosol optical depth (AOD) is the key parameter for determining the aerosol radiative effects and air quality variation. It is important to quantify nighttime aerosols using satellite-based night light images to understand their diurnal variations. This
Ning Wang +4 more
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Thermal Discharge Temperature Retrieval and Monitoring of NPPs Based on SDGSAT-1 Images
High-accuracy sea surface temperature (SST) retrieval near nuclear power plants (NPPs) is one of the most significant indicators for evaluating marine ecological environment quality, monitoring the real-time situation of thermal discharge, and supporting planning decisions.
Wenwen Huang +7 more
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A Cloud Detection Method Based on Spectral and Gradient Features for SDGSAT-1 Multispectral Images
Due to the limited penetration of visible bands, optical remote sensing images are inevitably contaminated by clouds. Therefore, cloud detection or cloud mask products for optical image processing is a very important step.
Kaiqiang Ge +4 more
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Pre-Processing of Inner CCD Image Stitching of the SDGSAT-1 Satellite
Spliced optical satellite cameras suffering from low stitching accuracy are influenced by various factors which can greatly restrict their applications. Most previous studies have focused on the geometric precision of stitched images, which is influenced by the stitching consistency and the relationships between different inner CCD (Charge-Coupled ...
Niangang Jiao +4 more
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SDGSAT-1 TIS Prelaunch Radiometric Calibration and Performance
SDGSAT-1 was launched in November 2021, and TIS (Thermal infrared sensor) is a major instrument onboard this satellite. An analysis of the radiometric calibration and noise performance of the TIS has been carried out in the thermal vacuum chamber before ...
Zhuoyue Hu +4 more
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Space safety analyses for SDGSAT-1
Abstract SDGSAT-1 is an innovative satellite sponsored by the Chinese Academy of Sciences, which has attained fruitful scientific results as of Jul. 2025. It aims to achieve the fine depiction of “traces of human activities”. Since its launch in Nov. 2021, three and a half years have passed.
Liang Chang, Hu Jiang
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