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Tuomas Yrttimaa, Ninni Saarinen, Ville Kankare, Niko Viljanen, Jari Hynynen, Saija Huuskonen, Markus Holopainen, Juha Hyyppä, Eija Honkavaara and Mikko Vastaranta
Terrestrial laser scanning (TLS) provides a detailed three-dimensional representation of surrounding forest structures. However, due to close-range hemispherical scanning geometry, the ability of TLS technique to comprehensively characterize all trees, a...
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Ville Luoma, Ninni Saarinen, Michael A. Wulder, Joanne C. White, Mikko Vastaranta, Markus Holopainen and Juha Hyyppä
Forest resource information has a hierarchical structure: individual tree attributes are summed at the plot level and then in turn, plot-level estimates are used to derive stand or large-area estimates of forest resources. Due to this hierarchy, it is im...
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Topi Tanhuanpää, Ninni Saarinen, Ville Kankare, Kimmo Nurminen, Mikko Vastaranta, Eija Honkavaara, Mika Karjalainen, Xiaowei Yu, Markus Holopainen and Juha Hyyppä
Height models based on high-altitude aerial images provide a low-cost means of generating detailed 3D models of the forest canopy. In this study, the performance of these height models in the detection of individual trees was evaluated in a commercially ...
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Jenni-Mari Vesakoski, Petteri Alho, Juha Hyyppä, Markus Holopainen, Claude Flener and Hannu Hyyppä
Topographic depressions have an important role in hydrological processes as they affect the water balance and runoff response of a watershed. Nevertheless, research has focused in detail neither on the effects of acquisition and processing methods nor on...
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Xinlian Liang, Juha Hyyppä, Harri Kaartinen, Markus Holopainen and Timo Melkas
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Sinikka Jauhiainen; Markus Holopainen; Annukka Rasinmäki
Pág. 168 - 177
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Utriainen, J. Holopainen, T.
Pág. 501 - 510
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Sallas, Leena; Vuorinen, Martti; Kainulainen, Pirjo; Holopainen, Jarmo K.
Pág. 218 - 226
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Holopainen, M; Wang, G
Pág. 499 - 508
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