Processing and assessment of spectrometric, stereoscopic imagery collected using a lightweight UAV spectral camera for precision agriculture E Honkavaara, H Saari, J Kaivosoja, I Pölönen, T Hakala, P Litkey, ... Remote Sensing 5 (10), 5006-5039, 2013 | 568 | 2013 |
Using UAV-based photogrammetry and hyperspectral imaging for mapping bark beetle damage at tree-level R Näsi, E Honkavaara, P Lyytikäinen-Saarenmaa, M Blomqvist, P Litkey, ... Remote Sensing 7 (11), 15467-15493, 2015 | 411 | 2015 |
Automatic stem mapping using single-scan terrestrial laser scanning X Liang, P Litkey, J Hyyppa, H Kaartinen, M Vastaranta, M Holopainen IEEE Transactions on Geoscience and Remote Sensing 50 (2), 661-670, 2011 | 328 | 2011 |
Algorithms and methods of airborne laser scanning for forest measurements J Hyyppa Proceedings of the ISPRS working group VIII/2" Laser-scanners for forest and …, 2004 | 250 | 2004 |
Comparison of the selected state-of-the-art 3D indoor scanning and point cloud generation methods VV Lehtola, H Kaartinen, A Nüchter, R Kaijaluoto, A Kukko, P Litkey, ... Remote sensing 9 (8), 796, 2017 | 201 | 2017 |
Effect of incidence angle on laser scanner intensity and surface data A Kukko, S Kaasalainen, P Litkey Applied optics 47 (7), 986-992, 2008 | 153 | 2008 |
Radiometric calibration of LIDAR intensity with commercially available reference targets S Kaasalainen, H Hyyppa, A Kukko, P Litkey, E Ahokas, J Hyyppa, ... IEEE Transactions on Geoscience and Remote Sensing 47 (2), 588-598, 2008 | 148 | 2008 |
Object-based analysis of multispectral airborne laser scanner data for land cover classification and map updating L Matikainen, K Karila, J Hyyppä, P Litkey, E Puttonen, E Ahokas ISPRS Journal of Photogrammetry and Remote Sensing 128, 298-313, 2017 | 147 | 2017 |
Single-sensor solution to tree species classification using multispectral airborne laser scanning X Yu, J Hyyppä, P Litkey, H Kaartinen, M Vastaranta, M Holopainen Remote Sensing 9 (2), 108, 2017 | 126 | 2017 |
Integration of laser scanning and photogrammetry P Rönnholm, E Honkavaara, P Litkey, H Hyyppä, J Hyyppä International Archives of Photogrammetry, Remote Sensing and Spatial …, 2007 | 106 | 2007 |
Brightness measurements and calibration with airborne and terrestrial laser scanners S Kaasalainen, A Kukko, T Lindroos, P Litkey, H Kaartinen, J Hyyppa, ... IEEE transactions on geoscience and remote sensing 46 (2), 528-534, 2008 | 97 | 2008 |
Tree species classification from fused active hyperspectral reflectance and LIDAR measurements E Puttonen, J Suomalainen, T Hakala, E Räikkönen, H Kaartinen, ... Forest Ecology and Management 260 (10), 1843-1852, 2010 | 96 | 2010 |
Remote sensing of 3-D geometry and surface moisture of a peat production area using hyperspectral frame cameras in visible to short-wave infrared spectral ranges onboard a … E Honkavaara, MA Eskelinen, I Pölönen, H Saari, H Ojanen, R Mannila, ... IEEE Transactions on Geoscience and Remote Sensing 54 (9), 5440-5454, 2016 | 94 | 2016 |
Tree classification with fused mobile laser scanning and hyperspectral data E Puttonen, A Jaakkola, P Litkey, J Hyyppä Sensors 11, 5158-5182, 2011 | 86 | 2011 |
Use of naturally available reference targets to calibrate airborne laser scanning intensity data A Vain, S Kaasalainen, U Pyysalo, A Krooks, P Litkey Sensors 9 (4), 2780-2796, 2009 | 73 | 2009 |
Assessment of low density full-waveform airborne laser scanning for individual tree detection and tree species classification X Yu, P Litkey, J Hyyppä, M Holopainen, M Vastaranta Forests 5 (5), 1011-1031, 2014 | 68 | 2014 |
Automatic storm damage detection in forests using high-altitude photogrammetric imagery E Honkavaara, P Litkey, K Nurminen Remote Sensing 5 (3), 1405-1424, 2013 | 67 | 2013 |
Individual tree species classification by illuminated—Shaded area separation E Puttonen, P Litkey, J Hyyppä Remote Sensing 2 (1), 19-35, 2009 | 66 | 2009 |
Automatic plot-wise tree location mapping using single-scan terrestrial laser scanning X Liang, P Litkey, J Hyyppä, H Kaartinen, A Kukko, M Holopainen Photogramm. J. Finland 22 (2), 37-48, 2011 | 55 | 2011 |
Single-scan TLS methods for forest parameter retrieval P Litkey, X Liang, H Kaartinen, J Hyyppä, A Kukko, M Holopainen, R Hill, ... Proceedings of SilviLaser 2008, 8th, 2008 | 48 | 2008 |