Remote sensing methods for power line corridor surveys L Matikainen, M Lehtomäki, E Ahokas, J Hyyppä, M Karjalainen, ... ISPRS Journal of Photogrammetry and Remote sensing 119, 10-31, 2016 | 500 | 2016 |
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 | 152 | 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 | 151 | 2017 |
Automatic detection of buildings and changes in buildings for updating of maps L Matikainen, J Hyyppä, E Ahokas, L Markelin, H Kaartinen Remote Sensing 2 (5), 1217-1248, 2010 | 151 | 2010 |
Study of surface brightness from backscattered laser intensity: Calibration of laser data S Kaasalainen, E Ahokas, J Hyyppa, J Suomalainen IEEE Geoscience and Remote Sensing Letters 2 (3), 255-259, 2005 | 144 | 2005 |
Calibration of the Optech ALTM 3100 laser scanner intensity data using brightness targets E Ahokas, S Kaasalainen, J Hyyppä, J Suomalainen Int. Arch. Photogramm. Remote Sens. Spat. Inf. Sci 36, 1-6, 2006 | 137 | 2006 |
HIGH-SCAN: The first European-wide attempt to derive single-tree information from laserscanner data J Hyyppä, M Schardt, H Haggrén, B Koch, U Lohr, HU Scherrer, ... Photogrammetric Journal of Finland 17 (2), 58-68, 2001 | 103 | 2001 |
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 | 98 | 2008 |
Geometric test field calibration of digital photogrammetric sensors E Honkavaara, E Ahokas, J Hyyppä, J Jaakkola, H Kaartinen, R Kuittinen, ... ISPRS Journal of photogrammetry and Remote Sensing 60 (6), 387-399, 2006 | 91 | 2006 |
A quality assessment of airborne laser scanner data E Ahokas, H Kaartinen, J Hyyppä International Archives of Photogrammetry and Remote Sensing 34 (part 3), W13, 2003 | 89 | 2003 |
A permanent test field for digital photogrammetric systems E Honkavaara, J Peltoniemi, E Ahokas, R Kuittinen, J Hyyppä, J Jaakkola, ... Photogrammetric Engineering & Remote Sensing 74 (1), 95-106, 2008 | 75 | 2008 |
Optimization of the scanning angle for countrywide laser scanning E Ahokas, X Yu, J Oksanen, J Hyyppä, H Kaartinen, H Hyyppä International Archives of the Photogrammetry, Remote Sensing and Spatial …, 2005 | 47 | 2005 |
Radiometric calibration and characterization of large-format digital photogrammetric sensors in a test field L Markelin, E Honkavaara, J Peltoniemi, E Ahokas, R Kuittinen, J Hyyppä, ... Photogrammetric Engineering & Remote Sensing 74 (12), 1487-1500, 2008 | 39 | 2008 |
Review on active and passive remote sensing techniques for road extraction J Jia, H Sun, C Jiang, K Karila, M Karjalainen, E Ahokas, E Khoramshahi, ... Remote Sensing 13 (21), 4235, 2021 | 36 | 2021 |
On the quality checking of the airborne laser scanningbased nationwide elevation model in Finland E Ahokas, H Kaartinen, J Hyyppä Int. Arch. Photogramm. Remote Sens. Spat. Inf. Sci 37, 267-270, 2008 | 30 | 2008 |
Analysis of properties of reflectance reference targets for permanent radiometric test sites of high resolution airborne imaging systems E Honkavaara, T Hakala, J Peltoniemi, J Suomalainen, E Ahokas, ... Remote Sensing 2 (8), 1892-1917, 2010 | 26 | 2010 |
Accuracy of high-pulse-rate laser scanners for digital target models E Ahokas, H Kaartinen, L Matikainen, J Hyyppä, H Hyyppä Observing Our Environment from Space-New Solutions for a New Millennium, 175-178, 2021 | 25 | 2021 |
Towards automatic single-sensor mapping by multispectral airborne laser scanning E Ahokas, J Hyyppä, X Yu, X Liang, L Matikainen, K Karila, P Litkey, ... The International Archives of the Photogrammetry, Remote Sensing and Spatial …, 2016 | 25 | 2016 |
Applicability of first pulse derived digital terrain models for boreal forest studies X Yu, H Hyyppä, H Kaartinen, J Hyyppä, E Ahokas, S Kaasalainen ISPRS Workshop on Laser Scanning, 2005 | 24 | 2005 |
Combining single photon and multispectral airborne laser scanning for land cover classification L Matikainen, K Karila, P Litkey, E Ahokas, J Hyyppä ISPRS Journal of Photogrammetry and Remote Sensing 164, 200-216, 2020 | 23 | 2020 |