Zobrazeno 1 - 10
of 184
pro vyhledávání: '"Xiaohuan Xi"'
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 132, Iss , Pp 104042- (2024)
Equipped with the Advanced Topographic Laser Altimeter System (ATLAS) of 532 nm, the Ice, Cloud and Land Elevation Satellite-2 (ICESat-2) is enabled to penetrate the water surface to retrieve water depth information at certain depths. However, signal
Externí odkaz:
https://doaj.org/article/5e69294568b24a1eb10deb97f09947de
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
Communication towers provide reliable wireless communication services and play a vital role in modern society. This paper presents an automatic 3D reconstruction framework for communication towers based on point clouds. The antenna is reconstructed b
Externí odkaz:
https://doaj.org/article/22cf3bda7b644c1e9152b0b1510007dd
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 14394-14407 (2024)
Multiple scattering of laser ray leads to distance calculation error and accumulated intensity error in LiDAR waveform. This study quantitatively assesses multiple scattering in LiDAR canopy waveform and explores its relationship with sensor configur
Externí odkaz:
https://doaj.org/article/bed249744d7d46f2b3e4b9eed6eafa92
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 13308-13323 (2024)
The micropulse multibeam photon-counting laser altimeter significantly improves the sampling density along the orbit while introducing abundant noise. Therefore, noise removal is crucial for the subsequent applications of the photon-counting laser al
Externí odkaz:
https://doaj.org/article/127b064d1428431fa5d7134674bb8fa8
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 2, Pp 4346-4367 (2023)
The ICESat-2 (Ice, Cloud, and Land Elevation Satellite-2) can collect earth surface elevation data with high precision on a global scale. However, the collected photon data contains a large amount of background noise due to the influence of sunlight,
Externí odkaz:
https://doaj.org/article/6953782b71d84abe86074cd85b604023
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 1, Pp 1551-1567 (2023)
Spaceborne photon-counting LiDAR is significantly affected by noise, and existing denoising algorithms cannot be universally adapted to different surface types and topographies under all observation conditions. Accordingly, a new denoising method is
Externí odkaz:
https://doaj.org/article/3ffbcb806d614e819e002a5b2a69f7b2
Publikováno v:
Forests, Vol 15, Iss 9, p 1627 (2024)
Fine three-dimensional (3D) reconstruction of real forest scenes can provide a reference for forestry digitization and forestry resource management applications. Airborne LiDAR technology can provide valuable data for large-area forest scene reconstr
Externí odkaz:
https://doaj.org/article/11c5d0369143492fa290ae24a08c6df9
Publikováno v:
Remote Sensing, Vol 16, Iss 17, p 3120 (2024)
The integration of multi-source remote sensing data, bolstered by advancements in deep learning, has emerged as a pivotal strategy for enhancing land use and land cover (LULC) classification accuracy. However, current methods often fail to consider t
Externí odkaz:
https://doaj.org/article/8a8f18be9d574041a91ba69ce72a6b13
Publikováno v:
Remote Sensing, Vol 16, Iss 8, p 1443 (2024)
The complexity of terrain features poses a substantial challenge in the effective processing and application of airborne LiDAR data, particularly in regions characterized by steep slopes and diverse objects. In this paper, we propose a novel multisca
Externí odkaz:
https://doaj.org/article/1abcb05f62ef4fac8a0f5e47f295abde
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 122, Iss , Pp 103387- (2023)
The Ice, Cloud, and land Elevation Satellite-2 (ICESat-2) data may contain abundant noise photons induced by specular reflection, which make the signal photon detection and surface elevation extraction challenging, especially on flat surfaces with hi
Externí odkaz:
https://doaj.org/article/5e8af262dc174d4383bac789d4ae2f29