Results 41 to 50 of about 11,803 (197)

Planetary Geologic Mappers Annual Meeting : June 12-14, 2018, Knoxville, Tennessee [PDF]

open access: yes, 2018
The annual Planetary Geologic Mappers meetings are held to allow geologic mappers of funded NASA geological mapping projects or other mapping projects to present the status of mapping efforts and obtain guidance for map process, formatting, submission ...

core  

Optimized Landing Site Selection at the Lunar South Pole: A Convolutional Neural Network Approach

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The identification of optimal landing sites is a critical first step for successful missions to the Moon and other extraterrestrial bodies, necessitating the integration of various environmental factors over large spatial scales. At the lunar south pole,
Yongjiu Feng   +14 more
doaj   +1 more source

Effects of multi-excitation on vibration characteristics of planetary gear system

open access: yesAlexandria Engineering Journal, 2022
In this study, the effects of multi-excitation on the vibration responses of each planetary gear component is investigated based on the translational-rotational dynamic model of planetary gear system.
Yong Wang, Yinghua Liao, Huachao Xu
doaj   +1 more source

CRATER DETECTION USING TEXTURE FEATURE AND RANDOM PROJECTION DEPTH FUNCTION [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
In this paper, a novel automatic crater detection algorithm (CDA) based on traditional texture feature and random projection depth function has been proposed.
Y. Wang   +18 more
doaj   +1 more source

Generative 3D Reconstruction of Martian Surfaces using Monocular Images [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
High-resolution digital terrain models (DEM) are crucial for Mars scientific exploration and engineering demands, such as mission route planning, landing site selection, and topography research.
J. Cao   +8 more
doaj   +1 more source

Planetary Geologic Mapping Handbook - 2009 [PDF]

open access: yes, 2009
Geologic maps present, in an historical context, fundamental syntheses of interpretations of the materials, landforms, structures, and processes that characterize planetary surfaces and shallow subsurfaces (e.g., Varnes, 1974).
Skinner, J. A.   +2 more
core   +1 more source

Mid-low latitude LOLA terrain maps of the Chang’e-6 sampling area through batch self-constrained adjustment and fusion with the SLDEM

open access: yesGeo-spatial Information Science
The Lunar Orbiter Laser Altimeter (LOLA) is currently the most precise spaceborne laser altimeter in lunar exploration. The digital elevation model (DEM) generated from the laser points obtained by LOLA is also the highest-precision global lunar terrain ...
Huan Xie   +10 more
doaj   +1 more source

Planetary Geologic Mapping Handbook - 2010 [PDF]

open access: yes, 2010
Geologic maps present, in an historical context, fundamental syntheses of interpretations of the materials, landforms, structures, and processes that characterize planetary surfaces and shallow subsurfaces.
Tanaka, K. L.   +2 more
core   +1 more source

Shape reconstruction and rotation axis estimation of small bodies using a voxel-divided shape-from-silhouette method

open access: yesGeo-spatial Information Science
In the space between long-distance photometric observations and close-range visual feature observations, images that present only silhouette information of small bodies are valuable for estimating the physical characteristics and establishing a body ...
Yifan Wang   +9 more
doaj   +1 more source

Monocular 3D Reconstruction for Martian Terrain Based on Diffusion Model [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
High-precision digital terrain models (DTMs) are important for Mars explorations and research, providing indispensable spatial information for landing site assessment, rover path planning, and surface environment analysis.
J. Cao   +8 more
doaj   +1 more source

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