Lauri Markelin
Lauri Markelin
Senior Research Scientist, Finnish Geospatial Research Institute - FGI NLS
Verified email at - Homepage
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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
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
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
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
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
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
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
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
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
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
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
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
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
A process for radiometric correction of UAV image blocks
E Honkavaara, T Hakala, H Saari, L Markelin, J Mäkynen, T Rosnell
Photogrammetrie, Fernerkundung, Geoinformation, 115-127, 2012
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
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
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
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
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
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
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