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Jiri Pyörälä
Jiri Pyörälä
Verifierad e-postadress på helsinki.fi - Startsida
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International benchmarking of terrestrial laser scanning approaches for forest inventories
X Liang, J Hyyppä, H Kaartinen, M Lehtomäki, J Pyörälä, N Pfeifer, ...
ISPRS journal of photogrammetry and remote sensing 144, 137-179, 2018
3782018
Is field-measured tree height as reliable as believed–A comparison study of tree height estimates from field measurement, airborne laser scanning and terrestrial laser scanning …
Y Wang, M Lehtomäki, X Liang, J Pyörälä, A Kukko, A Jaakkola, J Liu, ...
ISPRS journal of photogrammetry and remote sensing 147, 132-145, 2019
2922019
Feasibility of Terrestrial laser scanning for collecting stem volume information from single trees
N Saarinen, V Kankare, M Vastaranta, V Luoma, J Pyörälä, ...
ISPRS Journal of Photogrammetry and Remote Sensing 123, 140-158, 2017
1622017
Under-canopy UAV laser scanning for accurate forest field measurements
E Hyyppä, J Hyyppä, T Hakala, A Kukko, MA Wulder, JC White, J Pyörälä, ...
ISPRS Journal of Photogrammetry and Remote Sensing 164, 41-60, 2020
1422020
Accuracy of kinematic positioning using global satellite navigation systems under forest canopies
H Kaartinen, J Hyyppä, M Vastaranta, A Kukko, A Jaakkola, X Yu, ...
Forests 6 (9), 3218-3236, 2015
1422015
Forest in situ observations using unmanned aerial vehicle as an alternative of terrestrial measurements
X Liang, Y Wang, J Pyörälä, M Lehtomäki, X Yu, H Kaartinen, A Kukko, ...
Forest ecosystems 6, 1-16, 2019
1392019
Accurate derivation of stem curve and volume using backpack mobile laser scanning
E Hyyppä, A Kukko, R Kaijaluoto, JC White, MA Wulder, J Pyörälä, ...
ISPRS Journal of Photogrammetry and Remote Sensing 161, 246-262, 2020
1362020
In-situ measurements from mobile platforms: An emerging approach to address the old challenges associated with forest inventories
X Liang, A Kukko, J Hyyppä, M Lehtomäki, J Pyörälä, X Yu, H Kaartinen, ...
ISPRS Journal of Photogrammetry and Remote Sensing 143, 97-107, 2018
1222018
In situ biomass estimation at tree and plot levels: What did data record and what did algorithms derive from terrestrial and aerial point clouds in boreal forest
Y Wang, J Pyörälä, X Liang, M Lehtomäki, A Kukko, X Yu, H Kaartinen, ...
Remote Sensing of Environment 232, 111309, 2019
902019
Automated matching of multiple terrestrial laser scans for stem mapping without the use of artificial references
J Liu, X Liang, J Hyyppä, X Yu, M Lehtomäki, J Pyörälä, L Zhu, Y Wang, ...
International journal of applied earth observation and geoinformation 56, 13-23, 2017
732017
Variability of wood properties using airborne and terrestrial laser scanning
J Pyörälä, N Saarinen, V Kankare, NC Coops, X Liang, Y Wang, ...
Remote Sensing of Environment 235, 111474, 2019
542019
Quantitative Assessment of Scots Pine (Pinus Sylvestris L.) Whorl Structure in a Forest Environment Using Terrestrial Laser Scanning
J Pyörälä, X Liang, M Vastaranta, N Saarinen, V Kankare, Y Wang, ...
IEEE Journal of Selected Topics in Applied Earth Observations and Remote …, 2018
522018
Assessing branching structure for biomass and wood quality estimation using terrestrial laser scanning point clouds
J Pyörälä, X Liang, N Saarinen, V Kankare, Y Wang, M Holopainen, ...
Canadian Journal of Remote Sensing 44 (5), 462-475, 2018
392018
Seamless integration of above-and under-canopy unmanned aerial vehicle laser scanning for forest investigation
Y Wang, A Kukko, E Hyyppä, T Hakala, J Pyörälä, M Lehtomäki, ...
Forest Ecosystems 8, 1-15, 2021
312021
Assessing log geometry and wood quality in standing timber using terrestrial laser-scanning point clouds
J Pyörälä, V Kankare, X Liang, N Saarinen, J Rikala, VP Kivinen, M Sipi, ...
Forestry: An International Journal of Forest Research 92 (2), 177-187, 2019
252019
Comparison of terrestrial laser scanning and X-ray scanning in measuring Scots pine (Pinus sylvestris L.) branch structure
J Pyörälä, V Kankare, M Vastaranta, J Rikala, M Holopainen, M Sipi, ...
Scandinavian Journal of Forest Research 3 (33), 291-298, 2018
252018
Assessing the effects of sample size on parametrizing a taper curve equation and the resultant stem-volume estimates
N Saarinen, V Kankare, J Pyörälä, T Yrttimaa, X Liang, MA Wulder, ...
Forests 10 (10), 848, 2019
222019
Revealing changes in the stem form and volume allocation in diverse boreal forests using two-date terrestrial laser scanning
V Luoma, T Yrttimaa, V Kankare, N Saarinen, J Pyörälä, A Kukko, ...
Forests 12 (7), 835, 2021
202021
Fast registration of forest terrestrial laser scans using key points detected from crowns and stems
W Dai, B Yang, X Liang, Z Dong, R Huang, Y Wang, J Pyörälä, A Kukko
International Journal of Digital Earth 13 (12), 1585-1603, 2020
162020
Airborne laser scanning outperforms the alternative 3D techniques in capturing variation in tree height and forest density in southern boreal forests
M Vastaranta, T Yrttimaa, N Saarinen, X Yu, M Karjalainen, K Nurminen, ...
Baltic forestry 24 (2), 268-277, 2018
122018
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