Zobrazeno 1 - 10
of 1 870
pro vyhledávání: '"laser altimeter"'
Publikováno v:
Malaysian Journal of Science and Advanced Technology, Vol 4, Iss 4 (2024)
The discovery of water ice within craters at the Martian North Pole has provided unprecedented insights into the planet's hydrology and climatic history. High-resolution images from the Mars Reconnaissance Orbiter (MRO) have revealed extensive ice de
Externí odkaz:
https://doaj.org/article/248eda7d7a884c4facbf56d81748e206
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 19408-19419 (2024)
The horizontal positioning error in spaceborne photon point clouds seriously constrains their elevation accuracy. To improve data quality for enhanced performance in scientific applications, this study proposes a photon correction method based on ter
Externí odkaz:
https://doaj.org/article/1c7ebe002e60447aae3f3b45e95b3fc4
Autor:
Xiangfeng Liu, Zhenhua Wang, Wuzhong Yang, Shixian Chen, Fengxiang Wang, Xiaowei Chen, Weiming Xu, Rong Shu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 3674-3686 (2024)
Photon-counting light detection and ranging is very sensitive to ambient interference, target features, and instrument performance, especially for long-distance detection of spaceborne laser altimeter and measurement of complex land-cover types with
Externí odkaz:
https://doaj.org/article/f0ed5e97622a411e901ea30ce8f11509
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 1824-1838 (2024)
Accurately estimating forest canopy cover (FCC) is challenging by using traditional remote sensing images at the regional level due to the spectral saturation phenomenon. In this study, to improve the estimation accuracy, a new method of FCC wall-to-
Externí odkaz:
https://doaj.org/article/2bbe8c5349824b24879f5d94190ba97d
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 1575-1583 (2024)
The Amundsen crater is located in the Aitken Basin of the lunar nearside. Its unique location and the possibility of water ice make it a prime landing area for lunar exploration missions. Constructing a high-quality digital elevation model (DEM) and
Externí odkaz:
https://doaj.org/article/532b8b7c69f44e3bb4bfc9af58d28565
Autor:
K.C. Bierlich, Drummond Wengrove, Clara N. Bird, Robert Davidson, Todd Chandler, Leigh G. Torres, Mauricio Cantor
Publikováno v:
Drone Systems and Applications, Vol 12, Iss , Pp 1-10 (2024)
Drones provide a privileged birds’-eye view for collecting high-resolution imagery for morphometric and behavioral sampling of animals. Biologically meaningful measurements extracted from overhead images require an accurate estimate of altitude, bu
Externí odkaz:
https://doaj.org/article/de77e1986833461f9aef964af4b6e122
Publikováno v:
Geo-spatial Information Science, Vol 26, Iss 2, Pp 206-217 (2023)
ABSTRACTBlock Adjustment (BA) is one of the essential techniques for producing high-precision geospatial 3D data products with optical stereo satellite imagery. For block adjustment with few ground-control points or without ground control, the vertic
Externí odkaz:
https://doaj.org/article/ed8249d129c3491d848402d39309ebd5
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 1815-1826 (2023)
The Gaofen-7 (GF-7) satellite system adds a footprint camera that shares the same optical path as its laser altimeter to ensure consistent spatial referencing between the laser footprint point and the obtained optical images. However, this introduces
Externí odkaz:
https://doaj.org/article/40cbcc9375ca4de3a66d3607b4db10e1
Autor:
SMRECEK, Robert1 robert.smrecek@tuzvo.sk, MICHNOVA, Zuzana1
Publikováno v:
Geodesy & Cartography. Sep2014, Vol. 40 Issue 3, p110-115. 6p. 3 Diagrams, 1 Chart, 1 Map.
Autor:
Park, Taejin1 parktj@bu.edu, Kennedy, Robert E.1 kennedyr@bu.edu, Choi, Sungho1 schoi@bu.edu, Wu, Jianwei1,2 jianwei_wu@whu.edu.cn, Lefsky, Michael A.3 lefsky@cnr.colostate.edu, Bi, Jian1 bijian.bj@gmail.com, Mantooth, Joshua A.1 jam2767@bu.edu, Myneni, Ranga B.1 ranga.myneni@gmail.com, Knyazikhin, Yuri1 jknjazi@bu.edu
Publikováno v:
Remote Sensing. Jul2014, Vol. 6 Issue 7, p6566-6586. 21p.