Results 11 to 20 of about 813 (198)

Lunar Crater Identification in Digital Images [PDF]

The Journal of the Astronautical Sciences, 2021
AbstractIt is often necessary to identify a pattern of observed craters in a single image of the lunar surface and without any prior knowledge of the camera’s location. This so-called “lost-in-space” crater identification problem is common in both crater-based terrain relative navigation (TRN) and in automatic registration of scientific imagery.
John A. Christian, Harm Derksen, Ryan Watkins   +2 more
openaire   +3 more sources

Morphological Features-Based Descriptive Index System for Lunar Impact Craters

ISPRS International Journal of Geo-Information, 2017
Lunar impact craters are important for studying lunar surface morphology because they are the most typical morphological units of the Moon. Impact crater descriptive indices can be used to describe morphological features and thus provide direct evidence ...
Min Chen, Mengling Lei, Danyang Liu, Yi Zhou, Hao Zhao, Kejian Qian   +5 more
doaj   +1 more source

Automatic Mapping of Small Lunar Impact Craters Using LRO‐NAC Images

Earth and Space Science, 2022
Impact craters are the most common feature on the Moon’s surface. Crater size–frequency distributions provide critical insight into the timing of geological events, surface erosion rates, and impact fluxes.
J. H. Fairweather, A. Lagain, K. Servis, G. K. Benedix, S. S. Kumar, P. A. Bland   +5 more
doaj   +1 more source

Lunar Pit Craters Presumed to be the Entrances of Lava Caves by Analogy to the Earth Lava Tube Pits [PDF]

Journal of Astronomy and Space Sciences, 2014
Lava caves could be useful as outposts for the human exploration of the Moon. Lava caves or lava tubes are formed when the external surface of the lava flows cools more quickly to make a hardened crust over subsurface lava flows.
Ik-Seon Hong, Yu Yi, Eojin Kim
doaj   +1 more source

Survival of Ancient Lunar Water Affected by Topographic Degradation of Old, Large Complex Craters

Geophysical Research Letters, 2022
Lunar water is redistributed by various processes. Topographic diffusion affects the transport of water and contributes to its preservation in subsurface layers.
C. L. Talkington, M. Hirabayashi, P. E. Montalvo, A. N. Deutsch, C. I. Fassett, M. A. Siegler, S. L. Shepherd, D. T. King Jr.   +7 more
doaj   +1 more source

Three-Dimensional Reconstruction and Geometric Morphology Analysis of Lunar Small Craters within the Patrol Range of the Yutu-2 Rover

Remote Sensing, 2023
Craters on the lunar surface are the most direct method for the study of geological processes and are of great significance to the study of lunar evolution.
Xinchao Xu, Xiaotian Fu, Hanguang Zhao, Mingyue Liu, Aigong Xu, Youqing Ma   +5 more
doaj   +1 more source

Lunar impact crater identification and age estimation with Chang’E data by deep and transfer learning

Nature Communications, 2020
Using Chang’E data, the authors here identify more than 109,000 previously unrecognized lunar craters and date almost 19,000 craters based on transfer learning with deep neural networks.
Chen Yang, Haishi Zhao, Lorenzo Bruzzone, Jon Atli Benediktsson, Yanchun Liang, Bin Liu, Xingguo Zeng, Renchu Guan, Chunlai Li, Ziyuan Ouyang   +9 more
doaj   +1 more source

An Improved Double-Branch Network for Estimation of Crater Ages Based on Semisupervised Learning and Multi-Source Lunar Data

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
While various methods have been developed to estimate the age of impact craters, such as the crater size frequency distribution and morphology methods.
Zhonghua Hong, Linxuan Zhong, Xiaohua Tong, Haiyan Pan, Ruyan Zhou, Yun Zhang, Yanling Han, Jing Wang, Shuhu Yang, Haiyang He   +9 more
doaj   +1 more source

A BAYESIAN NETWORK FRAMEWORK FOR AUTOMATIC DETECTION OF LUNAR IMPACT CRATERS BASED ON OPTICAL IMAGES AND DEM DATA [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Impact craters are among the most noticeable geo-morphological features on the planetary surface and yield significant information on terrain evolution and the history of the solar system.
J. Yang, Z. Kang
doaj   +1 more source

Improvement of Lunar Surface Dating Accuracy Utilizing Crater Degradation Model: A Case Study of the Chang’e-5 Sampling Area

Remote Sensing, 2023
Taking the Chang’e-5 (CE-5) sampling area as an example, this study carried out an investigation on improving the crater size-frequency distribution (CSFD) dating accuracy of lunar surface geologic units based on the crater degradation model.
Feiyue Zhao, Wei Zuo, Chunlai Li
doaj   +1 more source