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Ditemukan 13 dari pencarian Anda melalui kata kunci: subject="Survey"
Hal. Awal Sebelumnya 1 2
cover
Performance analysis of ultra-wideband positioning for measuring tree positio…
Komentar Bagikan
Antero KukkoHarri KaartinenJuha HyyppZuoya LiuTeemu HakalaHeikki HyytiRuizhi Chen

Accurate individual tree locations enable efficient forest inventory management and automation, support precise forest surveys, management decisions and future individual-tree harvesting plans. In this paper, we compared and analyzed in detail the performance of an ultra-wideband (UWB) data-driven method for mapping individual tree locations in boreal forest sample plots of varying complexity. …

Edisi
12 hlm PDF, 19.902 KB
ISBN/ISSN
1872-8235
Deskripsi Fisik
12 hlm PDF, 19.902 KB
Judul Seri
ISPRS Open Journal of Photogrammetry and Remote Sensing
No. Panggil
621.3678
cover
Deep unsupervised learning for 3D ALS point clouds change detection
Komentar Bagikan
Iris de GelisSudipan SahaMuhammad ShahzadThomas CorpettiSebastien LefevreXiao Xiang Zhu

Change detection from traditional 2D optical images has limited capability to model the changes in the height or shape of objects. Change detection using 3D point cloud from photogrammetry or LiDAR surveying can fill this gap by providing critical depth information. While most existing machine learning based 3D point cloud change detection methods are supervised, they severely depend on the ava…

Edisi
Vol.9, August 2023
ISBN/ISSN
1872-8235
Deskripsi Fisik
11 hlm PDF, 11.265 KB
Judul Seri
ISPRS Open Journal of Photogrammetry and Remote Sensing
No. Panggil
621.3678
cover
Assessment of camera focal length influence on canopy reconstruction quality
Komentar Bagikan
Teja KattenbornJulian FreyMartin DenterHolger WeinackerThomas SeifertBarbara Koch

Unoccupied aerial vehicles (UAV) with RGB-cameras are affordable and versatile devices for the generation of a series of remote sensing products that can be used for forest inventory tasks, such as creating high-resolution orthomosaics and canopy height models. The latter may serve purposes including tree species identification, forest damage assessments, canopy height or timber stock assessmen…

Edisi
Vol.6, December 2022
ISBN/ISSN
1872-8235
Deskripsi Fisik
8 hlm PDF, 10.100 KB
Judul Seri
ISPRS Open Journal of Photogrammetry and Remote Sensing
No. Panggil
621.3678
Hal. Awal Sebelumnya 1 2