A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Filters
Towards a Miniaturized Photon Counting Laser Altimeter and Stereoscopic Camera Instrument Suite for Microsatellites
[chapter]
2009
Small Satellite Missions for Earth Observation
Preserved Fulltext
single photon counting laser altimeter. ...
This payload suite, the 'Stereo Imaging Laser Altimeter' SILAT has been designated for deployment aboard the FAST microsatellite formation mission for Earth observation. ...
a photon-counting laser altimeter. ...
doi:10.1007/978-3-642-03501-2_32
fatcat:shm6ywnphngohgdwnscdzrwqxy
A Comparison and Review of Surface Detection Methods Using MBL, MABEL, and ICESat-2 Photon-Counting Laser Altimetry Data
2021
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
It is the first photon-counting laser altimeter satellite, which is of great significance for the research into laser altimetry. ...
Four sources of photon-counting data were considered in the experiments: The Multiple Altimeter Beam Experimental Lidar(MABEL), the Chinese Multi-Beam LiDAR(MBL), The Advanced Topographic Laser Altimeter ...
If the difference is greater than the given threshold value, the point is removed as a noise point.
4) The novel filtering model
5) The adaptive directional filter method 6) The density-dimension method ...
doi:10.1109/jstars.2021.3094195
fatcat:v3ezpkcipbbttc55wcwfygxtea
Sea-ice freeboard retrieval using digital photon-counting laser altimetry
2015
Annals of Glaciology
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
We compare freeboard estimates in the marginal ice zone derived from MABEL photon-counting data with coincident data collected by a conventional airborne laser altimeter. ...
We present an analysis of MABEL data gathered over sea ice in the Greenland Sea and assess the capabilities of photon-counting techniques for sea-ice freeboard retrieval. ...
The authors thank two anonymous reviewers for helpful comments. ...
doi:10.3189/2015aog69a686
fatcat:qeixvsouc5he5biqtlxnq5fw7m
Ground and Top of Canopy Extraction From Photon-Counting LiDAR Data Using Local Outlier Factor With Ellipse Searching Area
2019
IEEE Geoscience and Remote Sensing Letters
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
ACKNOWLEDGMENT The authors would like to thank the ICESat-2 Project Science Office at NASA/GSFC for providing the MABEL and MATLAS data used in this study. ...
In contrast to the previous waveform LiDAR system, ICESat-2 will adopt a newly designed LiDAR system named ATLAS (Advanced Topographic Laser Altimeter System), a micro-pulse, multi-beam photon counting ...
DATA AND METHODS
A. MABEL and MATLAS Data Two kinds of the photon counting LiDAR data we used are one from MABEL and five from MATLAS. ...
doi:10.1109/lgrs.2019.2899011
fatcat:eoxsjfyl35guhmur2tihiqbwhq
The BepiColombo Laser Altimeter (BELA): Concept and baseline design
2007
Planetary and Space Science
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
use of novel concepts for BELA. ...
The BepiColombo Laser Altimeter (BELA) has been selected for flight on board the European Space Agency's BepiColombo Mercury Planetary Orbiter (MPO). ...
The authors also wish to thank two anonymous referees for a series of extremely useful remarks. ...
doi:10.1016/j.pss.2007.03.003
fatcat:c7trb4oj5bfjtjwrjoo2csq5oe
Iterative Pointing Angle Calibration Method for the Spaceborne Photon-Counting Laser Altimeter Based on Small-Range Terrain Matching
2019
Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
In the experiment, the simulated photon-counting laser altimeter data and the Ice, Cloud and Land Elevation Satellite-2 data were used to verify the algorithm. ...
The satellite, Ice, Cloud and Land Elevation Satellite-2 (ICESat-2) has been equipped with a new type of spaceborne laser altimeter, which has the benefits of having small footprints and a high repetition ...
The data were collected and processed by the NSF National Center for Airborne Laser Mapping (NCALM) and made available through the OpenTopography Facility. ...
doi:10.3390/rs11182158
fatcat:nzlzwodlofhhpcl2mdgzyokgq4
ALART: a novel lidar system for vegetation height retrieval from space
2015
Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing XI
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
We propose a multi-kHz Single-Photon Counting (SPC) space LIDAR, exploiting low energy pulses with high repetition frequency (PRF). ...
This novel technique, working with low SNRs, allows multiple beam generation with a single laser, limiting mass and power consumption. ...
Data processing and height retrieval approach Approaches for the determination of vegetation height in the context of Single Photon Counting (SPC) lidar can be divided into two groups: (a) from a sensor-based ...
doi:10.1117/12.2196134
fatcat:i6mgjohdvfhitbbxvgucpo2v6i
Space Lidar Developed at the NASA Goddard Space Flight Center—The First 20 Years
2013
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Together they have improved space-based laser measurement technologies and advanced planetary science. ...
During the past 20 years the NASA Goddard Space Flight Center has developed five different lidar for space, and has successfully used them in orbital missions to map Mars, the Earth, the Moon and Mercury ...
Saatchi for providing the map of tropical canopy and R. Kwok for permission to use the images of sea-ice thickness. They thank D. Yi for providing the GLAS measurement data from Lake Vostok. ...
doi:10.1109/jstars.2013.2259578
fatcat:7pigl6cdi5denf7scf6gcf3pqq
Photon-Counting Lidar: An Adaptive Signal Detection Method for Different Land Cover Types in Coastal Areas
2019
Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
A new adaptive signal photon detection method is proposed to extract the signal photons for different land cover types from the raw photons captured by the MABEL (Multiple Altimeter Beam Experimental Lidar ...
Overall, for different land cover types in coastal areas, our study indicates that the proposed method can significantly improve the performance of the signal photon detection for photon-counting lidar ...
and Atmospheric Administration for distributing the in-situ measurement data. ...
doi:10.3390/rs11040471
fatcat:flm7zqhxdvgexpmezzx2hig4r4
Retrieval of DTM under Complex Forest Stand Based on Spaceborne LiDAR Fusion Photon Correction
2022
Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
To the best of our knowledge, this is the first study demonstrating that photon correction can improve the terrain inversion ability of ICESat-2, while providing a novel method for ground extraction based ...
The new generation of satellite-borne laser radar Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) data has been successfully used for ground information acquisition. ...
Acknowledgments: The authors would like to thank the NASA NSIDC for distributing the ICESat-2 data (https://search.earthdata.nasa.gov, accessed on 5 March 2021), the Alaska Satellite Facility for distributing ...
doi:10.3390/rs14010218
fatcat:bfyodyizbzhurodpefciaxpgri
Automated Water Level Monitoring at the Continental Scale from ICESat-2 Photons
2021
Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
We present such a visualization created from an automated cluster computing workflow that utilizes tens of billions of ATLAS photons which derives water level changes for all of the overlapping lakes and ...
Remote sensing analysis provides a means to fill in these data gaps in order to glean a better understanding of the spatiotemporal water level changes across the CONUS. ...
The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results. ...
doi:10.3390/rs13183631
fatcat:viq7zgox3nbttispl5rpveqena
Land ice height-retrieval algorithm for NASA's ICESat-2 photon-counting laser altimeter
2019
Remote Sensing of Environment
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
We are grateful to Denis Felikson and an anonymous reviewer for their extremely thorough, thoughtful and constructive reviews of this paper. ...
For each segment, we fit the photon data as a function of along-track distance with a linear model. ...
ICESat's Geoscience Laser Altimeter System (GLAS) was a profiling laser altimeter operating at 1064 nm (infrared) to produce non-overlapping~72 m footprints every 172 m along track (Schutz et al., 2005 ...
doi:10.1016/j.rse.2019.111352
fatcat:bt4x7nsxirbxrkbgeispro5d24
Mars 1064 nm spectral radiance measurements determined from the receiver noise response of the Mars Orbiter Laser Altimeter
2006
Applied Optics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
A technique was developed to compute the radiance of the scene viewed by the optical receiver of the Mars Orbiter Laser Altimeter. ...
The technique used the detection threshold and the false detection rate of the receiver to provide a passive radiometry measurement of Mars at the 1064 nm wavelength over a 2 nm bandwidth and subkilometer ...
Bell III for providing the HST data used in Fig. 9 . ...
doi:10.1364/ao.45.003960
pmid:16761033
fatcat:ghb6eswpirbx7oyuxs7so6qhf4
Influence of Atmospheric Scattering on the Accuracy of Laser Altimetry of the GF-7 Satellite and Corrections
2021
Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
We also used a look-up table and a multi-layer perceptron (MLP) model to identify and correct atmospheric scattering, for which the availability of land and water data reached 16.67% and 26.09%, respectively ...
These corrections mitigated the low identification accuracy due to atmospheric scattering, which is significant for facilitating satellite laser altimetry data processing. ...
ICESat-2 is equipped with an advanced topographic
laser altimeter system (ATLAS) that uses a new photon counting system. ...
doi:10.3390/rs14010129
fatcat:v56d7mexqreankixncd4ebesje
Canopy and Terrain Height Retrievals with ICESat-2: A First Look
2019
Remote Sensing
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Analysis of the mission's preliminary ATL08 data product accuracy using an ICESat-2 transect over a vegetated region of Finland indicates a 5 m offset in geolocation knowledge (horizontal accuracy) well ...
The vertical RMSE for the terrain and canopy height retrievals for one transect are 0.85 m and 3.2 m respectively. ...
Neuenschwander has led the development of the ATL08 data product for ICESat-2 and Magruder serves as the science team leader for ICESat-2. ...
doi:10.3390/rs11141721
fatcat:4znj5fkfxzejnpvn3k32rrw2o4
« Previous
Showing results 1 — 15 out of 110 results