| Estimating biomass and nitrogen amount of barley and grass using UAV and aircraft based spectral and photogrammetric 3D features R Näsi, N Viljanen, J Kaivosoja, K Alhonoja, T Hakala, L Markelin, ... Remote Sensing 10 (7), 1082, 2018 | 174 | 2018 |
| 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 |
| Digital airborne photogrammetry—A new tool for quantitative remote sensing?—A state-of-the-art review on radiometric aspects of digital photogrammetric images E Honkavaara, R Arbiol, L Markelin, L Martinez, M Cramer, S Bovet, ... Remote Sensing 1 (3), 577-605, 2009 | 139 | 2009 |
| Hyperspectral reflectance signatures and point clouds for precision agriculture by light weight UAV imaging system E Honkavaara, J Kaivosoja, J Mäkynen, I Pellikka, L Pesonen, H Saari, ... ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information …, 2012 | 108 | 2012 |
| Machine learning estimators for the quantity and quality of grass swards used for silage production using drone-based imaging spectrometry and photogrammetry RA Oliveira, R Näsi, O Niemeläinen, L Nyholm, K Alhonoja, J Kaivosoja, ... Remote Sensing of Environment 246, 111830, 2020 | 97 | 2020 |
| 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 | 90 | 2006 |
| Direct Reflectance Measurements from Drones: Sensor Absolute Radiometric Calibration and System Tests for Forest Reflectance Characterization T Hakala, L Markelin, E Honkavaara, B Scott, T Theocharous, ... Sensors 18 (5), 2018 | 86 | 2018 |
| 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 |
| Calibrating digital photogrammetric airborne imaging systems in a test field E Honkavaara, L Markelin, E Ahokas, R Kuittinen, J Peltoniemi The International Archives of Photogrammetry, Remote Sensing and Spatial …, 2008 | 54* | 2008 |
| Direct reflectance transformation methodology for drone-based hyperspectral imaging J Suomalainen, R A. Oliveira, T Hakala, N Koivumäki, L Markelin, R Näsi, ... Remote Sensing of Environment 266, 112691, 2021 | 51 | 2021 |
| Characterizing seedling stands using leaf-off and leaf-on photogrammetric point clouds and hyperspectral imagery acquired from unmanned aerial vehicle M Imangholiloo, N Saarinen, L Markelin, T Rosnell, R Näsi, T Hakala, ... Forests 10 (5), 415, 2019 | 47 | 2019 |
| Influence of solar elevation in radiometric and geometric performance of multispectral photogrammetry E Honkavaara, L Markelin, T Rosnell, K Nurminen ISPRS Journal of Photogrammetry and Remote Sensing 67, 13-26, 2012 | 47 | 2012 |
| A process for radiometric correction of UAV image blocks E Honkavaara, T Hakala, L Markelin, T Rosnell, H Saari, J Mäkynen Photogrammetrie, Fernerkundung, Geoinformation, 115-127, 2012 | 46 | 2012 |
| Tree species identification in aerial image data using directional reflectance signatures I Korpela, L Mehtätalo, L Markelin, A Seppänen, A Kangas Silva Fennica 48 (3), 2014 | 45 | 2014 |
| Technical notes: A detailed study for the provision of measurement uncertainty and traceability for goniospectrometers JI Peltoniemi, T Hakala, J Suomalainen, E Honkavaara, L Markelin, ... Journal of Quantitative Spectroscopy and Radiative Transfer 146 (October …, 2014 | 42 | 2014 |
| Using multitemporal hyper-and multispectral UAV imaging for detecting bark beetle infestation on norway spruce E Honkavaara, R Näsi, R Oliveira, N Viljanen, J Suomalainen, ... The international archives of the photogrammetry, remote sensing and spatial …, 2020 | 40 | 2020 |
| 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 |
| Evaluation of resolving power and MTF of DMC E Honkavaara, J Jaakkola, L Markelin, S Becker International Archives of Photogrammetry, Remote Sensing and Spatial …, 2006 | 35 | 2006 |
| Bidirectional reflectance spectrometry of gravel at the Sjökulla test field JI Peltoniemi, J Piironen, J Näränen, J Suomalainen, R Kuittinen, ... ISPRS journal of photogrammetry and remote sensing 62 (6), 434-446, 2007 | 32 | 2007 |
| A novel tilt correction technique for irradiance sensors and spectrometers on-board unmanned aerial vehicles J Suomalainen, T Hakala, R Alves de Oliveira, L Markelin, N Viljanen, ... Remote Sensing 10 (12), 2068, 2018 | 27 | 2018 |
Eija HonkavaaraResearch Professor, Finnish Geospatial Research Institute, FGI, UNITE FlagshipEmail verificata su nls.fi