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Ditemukan 3 dari pencarian Anda melalui kata kunci: author=Xiaowei Yu
cover
Individual tree segmentation and species classification using high-density cl…
Komentar Bagikan
Eric HyyppaXiaowei YuAntero KukkoHarri KaartinenMatti LehtomakiJuha HyyppaLeena MatikainenMarkus HolopainenAada HakulaLassi RuoppaJosef TaherVille LuomaVille Kankare

Tree species characterise biodiversity, health, economic potential, and resilience of an ecosystem, for example. Tree species classification based on remote sensing data, however, is known to be a challenging task. In this paper, we study for the first time the feasibility of tree species classification using high-density point clouds collected with an airborne close-range multispectral laser s…

Edisi
Vol.9, August 2023
ISBN/ISSN
1872-8235
Deskripsi Fisik
15 hlm PDF, 2.550 KB
Judul Seri
ISPRS Open Journal of Photogrammetry and Remote Sensing
No. Panggil
621.3678
cover
Branch information extraction from Norway spruce using handheld laser scannin…
Komentar Bagikan
Xiaowei YuAntero KukkoHarri KaartinenMatti LehtomakiJuha HyyppaOlli WinbergJiri PyoralaMarkus HolopainenJohan Holmgren

We showed that a mobile handheld laser scanner (HHLS) provides useful features concerning the wood quality-influencing external structures of trees. When linked with wood properties measured at a sawmill utilizing state-of-the-art X-ray scanners, these data enable the training of various wood quality models for use in targeting and planning future wood procurement. A total of 457 Norway spruce …

Edisi
Vol.9, August 2023
ISBN/ISSN
1872-8235
Deskripsi Fisik
15 hlm PDF, 10.203 PDF
Judul Seri
ISPRS Open Journal of Photogrammetry and Remote Sensing
No. Panggil
621.3678
cover
Efficient coarse registration method using translation- and rotation-invarian…
Komentar Bagikan
Eric HyyppaJesse MuhojokiXiaowei YuAntero KukkoHarri KaartinenJuha Hyypp

In this paper, we present a simple, efficient, and robust algorithm for 2D coarse registration of two point clouds. In the proposed algorithm, the locations of some distinct objects are detected from the point cloud data, and a rotation- and translation-invariant feature descriptor vector is computed for each of the detected objects based on the relative locations of the neighboring objects. Su…

Edisi
Vol.2, December 2021
ISBN/ISSN
1872-8235
Deskripsi Fisik
16 hlm PDF, 4.155 KB
Judul Seri
ISPRS Open Journal of Photogrammetry and Remote Sensing
No. Panggil
621.3678