Activities to promote the moon as an absolute calibration reference

Z Jing, X Hu, Y Wang, R Wu, L Chen, L Zhang… - Remote Sensing, 2023 - mdpi.com
The accuracy and consistency of Earth observation (EO) instrument radiometric calibration is
a fundamental prerequisite for achieving accurate results and delivering reliable predictions …

Automatic air-to-ground recognition of outdoor injured human targets based on UAV bimodal information: the explore study

F Qi, M Zhu, Z Li, T Lei, J Xia, L Zhang, Y Yan, J Wang… - Applied Sciences, 2022 - mdpi.com
The rapid air-to-ground search of injured people in the outdoor environment has been a hot
spot and a great challenge for public safety and emergency rescue medicine. Its crucial …

On-Orbit Absolute Radiometric Calibration and Uncertainty Analysis of OCM2 Sensor onboard Oceansat-2 Satellite

N Kumawat, KN Babu, MR Pandya - International Journal of …, 2023 - Taylor & Francis
ABSTRACT This study describes On-Orbit absolute radiometric calibration for the Ocean
Colour Monitor2 (OCM2) onboard Oceansat-2 satellite through a vicarious calibration …

Polarization images of the Moon as a function of the lunar phase

E Venkatesulu, JA Shaw - Optics Express, 2024 - opg.optica.org
Moonlight has a partial polarization state that varies with the lunar phase angle. This needs
to be characterized for the Moon to be used as a calibration source for polarization-sensitive …

Towards Accurate Radiometric Calibration of INSAT-3D and INSAT-3DR IMAGER: Addressing Uncertainty and Error Sources

N Kumawat, KN Babu, MR Pandya… - … Journal of Remote …, 2023 - Taylor & Francis
The proper radiometric calibration of the INSAT-3D and− 3DR IMAGER is of utmost
importance for effective weather forecasting and monitoring. Accurate and reliable images …

Effects of UAV-LiDAR and photogrammetric point density on tea plucking area identification

Q Zhang, M Hu, Y Zhou, B Wan, L Jiang, Q Zhang… - Remote Sensing, 2022 - mdpi.com
High-cost data collection and processing are challenges for UAV LiDAR (light detection and
ranging) mounted on unmanned aerial vehicles in crop monitoring. Reducing the point …

An On-Orbit Relative Sensor Normalization for Unbalance Images from the Ice Pathfinder Satellite (BNU-1)

S Zhang, X Shang, L Li, Y Zhang, X Wu, F Hui… - Remote Sensing, 2023 - mdpi.com
The Ice Pathfinder satellite (code: BNU-1) is the first Chinese microsatellite, designed for
monitoring polar climate and environmental changes. The major payload of BNU-1 is the …

Automatic acquisition method for evaluating the on-orbit modulation transfer function based on lunar targets

J Ai, Z Bai, P Gao, Z Han, Y Huang, L Chen - Optics Express, 2022 - opg.optica.org
In view of the existing method having a great subjectivity for the lunar edge selection, we
propose an automatic knife-edge detection method based on the Hough transform to …

Creation of a Multiparameter Model of a Space Telescope Observation System

KO Churkin, NK Petrova, YA Nefedyev, AO Andreev… - Technical Physics, 2024 - Springer
The possibility and effectiveness of using an automated zenith telescope to determine
selenodetic rotation parameters by computer simulation of observations using a telescope …

On-orbit Calibration of a Telescope Alignment for Earth Observation using Stars and QUEST

S Fujita, Y Sato, T Kuwahara… - 2022 IEEE/SICE …, 2022 - ieeexplore.ieee.org
The Space Robotics Laboratory at Tohoku University and the Space Mission Center at
Hokkaido University have been working on the development of 50 kg-class Earth …