Anssi Krooks
Anssi Krooks
Expert, National Land Survey of Finland
Vahvistettu sähköpostiosoite verkkotunnuksessa - Kotisivu
Analysis of incidence angle and distance effects on terrestrial laser scanner intensity: Search for correction methods
S Kaasalainen, A Jaakkola, M Kaasalainen, A Krooks, A Kukko
Remote Sensing 3 (10), 2207-2221, 2011
Seamless mapping of river channels at high resolution using mobile LiDAR and UAV-photography
C Flener, M Vaaja, A Jaakkola, A Krooks, H Kaartinen, A Kukko, E Kasvi, ...
Remote Sensing 5 (12), 6382-6407, 2013
Radiometric calibration of terrestrial laser scanners with external reference targets
S Kaasalainen, A Krooks, A Kukko, H Kaartinen
Remote Sensing 1 (3), 144-158, 2009
Change detection of tree biomass with terrestrial laser scanning and quantitative structure modelling
S Kaasalainen, A Krooks, J Liski, P Raumonen, H Kaartinen, ...
Remote Sensing 6 (5), 3906-3922, 2014
Fast and nondestructive method for leaf level chlorophyll estimation using hyperspectral LiDAR
O Nevalainen, T Hakala, J Suomalainen, R Mäkipää, M Peltoniemi, ...
Agricultural and Forest Meteorology 198, 250-258, 2014
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
Correction of intensity incidence angle effect in terrestrial laser scanning
A Krooks, S Kaasalainen, T Hakala, O Nevalainen
ISPRS Ann. Photogramm. Remote Sens. Spat. Inf. Sci 2, 145-150, 2013
Artificial target detection with a hyperspectral LiDAR over 26-h measurement
E Puttonen, T Hakala, O Nevalainen, S Kaasalainen, A Krooks, ...
Optical Engineering 54 (1), 013105, 2015
Accuracy in estimation of timber assortments and stem distribution–A comparison of airborne and terrestrial laser scanning techniques
V Kankare, J Vauhkonen, T Tanhuanpää, M Holopainen, M Vastaranta, ...
ISPRS Journal of Photogrammetry and Remote Sensing 97, 89-97, 2014
Effect of target moisture on laser scanner intensity
S Kaasalainen, H Niittymaki, A Krooks, K Koch, H Kaartinen, A Vain, ...
IEEE Transactions on Geoscience and Remote Sensing 48 (4), 2128-2136, 2009
Absolute radiometric calibration of ALS intensity data: Effects on accuracy and target classification
S Kaasalainen, U Pyysalo, A Krooks, A Vain, A Kukko, J Hyyppä, ...
Sensors 11 (11), 10586-10602, 2011
Monitoring changes in rice cultivated area from SAR and optical satellite images in Ben Tre and Tra Vinh Provinces in Mekong Delta, Vietnam
K Karila, O Nevalainen, A Krooks, M Karjalainen, S Kaasalainen
Remote Sensing 6 (5), 4090-4108, 2014
Map updating and change detection using vehicle-based laser scanning
J Hyyppa, A Jaakkola, H Hyyppa, H Kaartinen, A Kukko, M Holopainen, ...
2009 Joint Urban Remote Sensing Event, 1-6, 2009
Predicting tree structure from tree height using terrestrial laser scanning and quantitative structure models
A Krooks, S Kaasalainen, V Kankare, M Joensuu, P Raumonen, ...
Silva Fenn 48, 1125, 2014
Topographic and distance effects in laser scanner intensity correction
S Kaasalainen, A Vain, A Krooks, A Kukko
Int. Arch. Photogramm. Remote Sens. Spat. Inf. Sci 38 (3/W8), 219-222, 2009
Brief communication" Application of mobile laser scanning in snow cover profiling"
S Kaasalainen, H Kaartinen, A Kukko, K Anttila, A Krooks
The Cryosphere 5 (1), 135-138, 2011
Indirect emissions of forest bioenergy: detailed modeling of stump‐root systems
J Liski, S Kaasalainen, P Raumonen, A Akujärvi, A Krooks, A Repo, ...
Gcb Bioenergy 6 (6), 777-784, 2014
Radiometric calibration of TLS intensity: Application to snow cover change detection
K Anttila, S Kaasalainen, A Krooks, H Kaartinen, A Kukko, T Manninen, ...
International Archives of the Photogrammetry, Remote Sensing and Spatial …, 2011
Automated 3D scene reconstruction from open geospatial data sources: Airborne laser scanning and a 2D topographic database
L Zhu, M Lehtomäki, J Hyyppä, E Puttonen, A Krooks, H Hyyppä
Remote Sensing 7 (6), 6710-6740, 2015
Tree root system characterization and volume estimation by terrestrial laser scanning and quantitative structure modeling
A Smith, R Astrup, P Raumonen, J Liski, A Krooks, S Kaasalainen, ...
Forests 5 (12), 3274-3294, 2014
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Artikkelit 1–20