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Anand George, Niko Koivumäki, Teemu Hakala, Juha Suomalainen and Eija Honkavaara
Positioning of unoccupied aerial systems (UAS, drones) is predominantly based on Global Navigation Satellite Systems (GNSS). Due to potential signal disruptions, redundant positioning systems are needed for reliable operation. The objective of this study...
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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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Eija Yli-Panula, Eila Jeronen, Piia Lemmetty and Anna Pauna
The aim of this qualitative survey was to investigate what kind of teaching methods have been used in biology to promote biodiversity education (BDE) and how the methods support biodiversity (BD) learning. We found, in total, 317 international scientific...
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Niko Viljanen, Eija Honkavaara, Roope Näsi, Teemu Hakala, Oiva Niemeläinen and Jere Kaivosoja
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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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Eija Kaasinen, Tiina Kymäläinen, Marketta Niemelä, Thomas Olsson, Minni Kanerva and Veikko Ikonen
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Morris, Michael, Edmeades, Greg, Pehu, Eija
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