Results 31 to 40 of about 11,803 (197)

Retrieving Telemetry Range From ICESat-2 Data by a No-Prior-Terrain Onboard Filtering Algorithm

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) is widely used in mapping and monitoring the changes of ice sheets and forest vegetation. However, the satellite receives all the photons returning from around 532 nm, including surface signal ...
Yuan Sun, Huan Xie, Chunhui Wang, Qi Xu, Binbin Li, Changda Liu, Min Ji, Xiaohua Tong   +7 more
doaj   +1 more source

Illumination-Prior-Based High-Resolution DEM Reconstruction from Single-View Lunar Image Constrained with Initial DEM [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The lunar south pole is characterized by complex illumination conditions, extensive shadowed regions, and rugged topography, which make high-resolution terrain reconstruction from single-view imagery particularly challenging.
S. Qiu, Z. Ye, Z. Ye, R. Huang, R. Huang, Y. Xu, Y. Xu, X. Tong, X. Tong   +8 more
doaj   +1 more source

Development and mechanical behavior of ice-cemented Martian Regolith Simulant (TJ-MRS01) for future mars sample-return engineering studies

Earth, Planets and Space
Ice-cemented regolith exists on Mars and could significantly influence surface mechanical behavior, affecting drilling, mobility, and sample acquisition strategies.
Siji Sanlang, Kaihan Xu, Chao Wang, Xiaohua Tong, Huan Xie, Yongjiu Feng, Xiong Xu, Yusheng Xu   +7 more
doaj   +1 more source

Multicriteria Selection of Elevation Control and Image Tie Points for Block Adjustment of ZY-3 Images and ICESat Data in Antarctica

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Integrating optical satellite images and laser altimetry data is essential to achieve high-accuracy mapping, especially in areas without ground control points.
Shijie Liu, Zhida Bai, Xiaofeng Gao, Huan Xie, Yanmin Jin, Hao Wu, Xiaohua Tong   +6 more
doaj   +1 more source

Visual-LiDAR Odometry for Planetary Rover with Plane Constraints [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
In space exploration missions, planetary rovers require precise navigation to ensure operational safety and efficiency. This paper presents a novel visual-LiDAR odometry method designed specifically for planetary rovers, aiming to address the challenges ...
L. Zhang, R. Huang, R. Huang, Y. Xu, Y. Xu, Z. Ye, Z. Ye, C. Xiao, C. Xiao, X. Tong, X. Tong   +10 more
doaj   +1 more source

MOBILE MAPPING OF THE LA CORONA LAVATUBE ON LANZAROTE [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Planetary surfaces consist of rough terrain and cave-like environments. Future planetary exploration demands for accurate mapping. However, recent backpack mobile mapping systems are mostly tested in structured, indoor environments.
H. A. Lauterbach, D. Borrmann, A. Nüchter, A. P. Rossi, V. Unnithan, P. Torrese, R. Pozzobon   +6 more
doaj   +1 more source

Retrieving water ice abundance in representative regions of the Moon’s South Pole using topography corrected SELENE MI images

Geoscience Letters
Previous studies have reported the existence of water ice in the lunar polar regions, but estimations of water ice using different methods vary in certainty, precision, location, and abundance.
Xindi Long, Chao Wang, Siji Sanlang, Yongjiu Feng, Xiong Xu, Huan Xie, Xiaohua Tong   +6 more
doaj   +1 more source

RAP-Net: A Region Affinity Propagation-Guided Semantic Segmentation Network for Plateau Karst Landform Remote Sensing Imagery

Remote Sensing
Karst rocky desertification on the Qinghai–Tibet Plateau poses a severe threat to the region’s fragile ecosystem. Accordingly, the rapid and accurate delineation of plateau karst landforms is essential for monitoring ecological degradation and guiding ...
Dongsheng Zhong, Lingbo Cai, Shaoda Li, Wei Wang, Yijing Zhu, Yaning Liu, Ronghao Yang   +6 more
doaj   +1 more source

Controlled Multi-source Mapping of Lunar South Polar Regions via Combined Bundle Adjustment [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Integration of LROC NAC and ShadowCam imagery is essential for meter-scale controlled mapping of the entire lunar south pole including Permanently Shadowed Regions (PSRs), but remains challenging due to extreme radiometric differences, sparse overlap ...
Q. You, Z. Ye, Z. Ye, Y. Xu, Y. Xu, R. Huang, R. Huang, H. Xie, H. Xie, X. Tong, X. Tong   +10 more
doaj   +1 more source

SHARAD-Based Detection and Estimation of Water–Ice Content in Korolev Crater at the North Pole of Mars

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The quest for water–ice is critical in the scientific exploration of Mars, as areas where water reservoirs have been identified could be attractive landing sites for future missions.
Yongjiu Feng, Yiyan Dong, Rong Wang, Yuze Cao, Peiqi Wu, Shurui Chen, Jingbo Sun, Yuhao Wang, Mengrong Xi, Xiaohua Tong   +9 more
doaj   +1 more source