Works by Hakala, Teemu
Results: 45
Under-Canopy UAV Laser Scanning Providing Canopy Height and Stem Volume Accurately.
- Published in:
- Forests (19994907), 2021, v. 12, n. 7, p. 856, doi. 10.3390/f12070856
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- Article
Characterizing Seedling Stands Using Leaf-Off and Leaf-On Photogrammetric Point Clouds and Hyperspectral Imagery Acquired from Unmanned Aerial Vehicle.
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- Forests (19994907), 2019, v. 10, n. 5, p. 415, doi. 10.3390/f10050415
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- Article
Artificial target detection with a hyperspectral LiDAR over 26-h measurement.
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- Optical Engineering, 2015, v. 54, n. 1, p. 1, doi. 10.1117/1.OE.54.1.013105
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- Article
Effect of small scale surface roughness and snowpack properties on snow albedo.
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- Geophysical Research Abstracts, 2018, v. 20, p. 696
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- Article
Effect of small-scale snow surface roughness on snow albedo and reflectance.
- Published in:
- Cryosphere Discussions, 2020, p. 1, doi. 10.5194/tc-2020-154
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- Article
A Novel Machine Learning Method for Estimating Biomass of Grass Swards Using a Photogrammetric Canopy Height Model, Images and Vegetation Indices Captured by a Drone.
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- Agriculture; Basel, 2018, v. 8, n. 5, p. 70, doi. 10.3390/agriculture8050070
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- Article
Visual-Inertial Odometry Using High Flying Altitude Drone Datasets †.
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- Drones (2504-446X), 2023, v. 7, n. 1, p. 36, doi. 10.3390/drones7010036
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- Article
SLAM-Aided Stem Mapping for Forest Inventory with Small-Footprint Mobile LiDAR.
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- Forests (19994907), 2015, v. 6, n. 12, p. 4588, doi. 10.3390/f6124390
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- Article
Integration of a Mobile Laser Scanning System with a Forest Harvester for Accurate Localization and Tree Stem Measurements.
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- Remote Sensing, 2024, v. 16, n. 17, p. 3292, doi. 10.3390/rs16173292
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- Article
Benchmarking Under- and Above-Canopy Laser Scanning Solutions for Deriving Stem Curve and Volume in Easy and Difficult Boreal Forest Conditions.
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- Remote Sensing, 2024, v. 16, n. 10, p. 1721, doi. 10.3390/rs16101721
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- Article
Comparison of Deep Neural Networks in the Classification of Bark Beetle-Induced Spruce Damage Using UAS Images †.
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- Remote Sensing, 2023, v. 15, n. 20, p. 4928, doi. 10.3390/rs15204928
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- Article
Investigating Foliar Macro- and Micronutrient Variation with Chlorophyll Fluorescence and Reflectance Measurements at the Leaf and Canopy Scales in Potato.
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- Remote Sensing, 2023, v. 15, n. 10, p. 2498, doi. 10.3390/rs15102498
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- Article
Evaluating Factors Impacting Fallen Tree Detection from Airborne Laser Scanning Point Clouds.
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- Remote Sensing, 2023, v. 15, n. 2, p. 382, doi. 10.3390/rs15020382
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- Article
The Penetration Analysis of Airborne Ku-Band Radar Versus Satellite Infrared Lidar Based on the Height and Energy Percentiles in the Boreal Forest.
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- Remote Sensing, 2021, v. 13, n. 9, p. 1650, doi. 10.3390/rs13091650
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- Article
Using Microwave Profile Radar to Estimate Forest Canopy Leaf Area Index: Linking 3D Radiative Transfer Model and Forest Gap Model.
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- Remote Sensing, 2021, v. 13, n. 2, p. 297, doi. 10.3390/rs13020297
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- Article
Comparison of Backpack, Handheld, Under-Canopy UAV, and Above-Canopy UAV Laser Scanning for Field Reference Data Collection in Boreal Forests.
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- Remote Sensing, 2020, v. 12, n. 20, p. 3327, doi. 10.3390/rs12203327
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- Article
Erratum: Du, K., et al. Simulation of Ku-Band Profile Radar Waveform by Extending Radiosity Applicable to Porous Individual Objects (RAPID2) Model. Remote Sensing 2020, 12, 684.
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- 2020
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- Correction Notice
The Determination of Effective Beamwidth of Ku Band Profiling Radar Based on Waveform Matching Method in the Boreal Forest of Finland.
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- Remote Sensing, 2020, v. 12, n. 17, p. 2710, doi. 10.3390/rs12172710
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- Article
Comparing field measurements and annotations as training data for UAV-based detection of standing dead trees in coniferous forest.
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- International Journal of Remote Sensing, 2023, v. 44, n. 17, p. 5375, doi. 10.1080/01431161.2023.2248561
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- Article
Feasibility of Hyperspectral Single Photon Lidar for Robust Autonomous Vehicle Perception.
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- Sensors (14248220), 2022, v. 22, n. 15, p. 5759, doi. 10.3390/s22155759
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- Article
Direct Reflectance Measurements from Drones: Sensor Absolute Radiometric Calibration and System Tests for Forest Reflectance Characterization.
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- Sensors (14248220), 2018, v. 18, n. 5, p. 1417, doi. 10.3390/s18051417
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- Article
A Backpack-Mounted Omnidirectional Camera with Off-the-Shelf Navigation Sensors for Mobile Terrestrial Mapping: Development and Forest Application.
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- Sensors (14248220), 2018, v. 18, n. 3, p. 827, doi. 10.3390/s18030827
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- Article
Two-channel Hyperspectral LiDAR with a Supercontinuum Laser Source.
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- Sensors (14248220), 2010, v. 10, n. 7, p. 7057, doi. 10.3390/s100707057
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- Article
Polarised Multiangular Reflectance Measurements Using the Finnish Geodetic Institute Field Goniospectrometer.
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- Sensors (14248220), 2009, v. 9, n. 5, p. 3891, doi. 10.3390/s90503891
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- Article
High-precision estimation of grass quality and quantity using UAS-based VNIR and SWIR hyperspectral cameras and machine learning.
- Published in:
- Precision Agriculture, 2024, v. 25, n. 1, p. 186, doi. 10.1007/s11119-023-10064-2
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- Article
Seamless integration of above- and under-canopy unmanned aerial vehicle laser scanning for forest investigation.
- Published in:
- Forest Ecosystems (Springer Nature), 2021, v. 8, n. 1, p. 1, doi. 10.1186/s40663-021-00290-3
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- Article
Autonomous robotic drone system for mapping forest interiors.
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- International Archives of the Photogrammetry, Remote Sensing & Spatial Information Sciences, 2024, v. 48, n. 2, p. 167, doi. 10.5194/isprs-archives-XLVIII-2-2024-167-2024
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- Article
VARIABILITY OF REMOTE SENSING SPECTRAL INDICES IN BOREAL LAKE BASINS.
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- International Archives of the Photogrammetry, Remote Sensing & Spatial Information Sciences, 2018, v. 42, n. 2, p. 411, doi. 10.5194/isprs-archives-XLII-2-411-2018
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- Article
UPSCALING OF SOLAR INDUCED CHLOROPHYLL FLUORESCENCE FROM LEAF TO CANOPY USING THE DART MODEL AND A REALISTIC 3D FOREST SCENE.
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- International Archives of the Photogrammetry, Remote Sensing & Spatial Information Sciences, 2017, v. 42, n. 3/W3, p. 107, doi. 10.5194/isprs-archives-XLII-3-W3-107-2017
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- Article
A Clustering Framework for Monitoring Circadian Rhythm in Structural Dynamics in Plants From Terrestrial Laser Scanning Time Series.
- Published in:
- Frontiers in Plant Science, 2019, p. N.PAG, doi. 10.3389/fpls.2019.00486
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- Article
A Novel Tilt Correction Technique for Irradiance Sensors and Spectrometers On-Board Unmanned Aerial Vehicles.
- Published in:
- Remote Sensing, 2018, v. 10, n. 12, p. 2068, doi. 10.3390/rs10122068
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- Article
Estimating Biomass and Nitrogen Amount of Barley and Grass Using UAV and Aircraft Based Spectral and Photogrammetric 3D Features.
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- Remote Sensing, 2018, v. 10, n. 7, p. 1082, doi. 10.3390/rs10071082
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- Article
Assessment of Classifiers and Remote Sensing Features of Hyperspectral Imagery and Stereo-Photogrammetric Point Clouds for Recognition of Tree Species in a Forest Area of High Species Diversity.
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- Remote Sensing, 2018, v. 10, n. 5, p. 714, doi. 10.3390/rs10050714
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- Article
The Comparison of Canopy Height Profiles Extracted from Ku-band Profile Radar Waveforms and LiDAR Data.
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- Remote Sensing, 2018, v. 10, n. 5, p. 701, doi. 10.3390/rs10050701
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- Article
Assessing Biodiversity in Boreal Forests with UAV-Based Photogrammetric Point Clouds and Hyperspectral Imaging.
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- Remote Sensing, 2018, v. 10, n. 2, p. 338, doi. 10.3390/rs10020338
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- Article
An Analysis of Ku-Band Profiling Radar Observations of Boreal Forest.
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- Remote Sensing, 2017, v. 9, n. 12, p. 1252, doi. 10.3390/rs9121252
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- Article
Individual Tree Detection and Classification with UAV-Based Photogrammetric Point Clouds and Hyperspectral Imaging.
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- Remote Sensing, 2017, v. 9, n. 3, p. 185, doi. 10.3390/rs9030185
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- Article
UAV-Borne Profiling Radar for Forest Research.
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- Remote Sensing, 2017, v. 9, n. 1, p. 58, doi. 10.3390/rs9010058
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- Article
Using UAV-Based Photogrammetry and Hyperspectral Imaging for Mapping Bark Beetle Damage at Tree-Level.
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- Remote Sensing, 2015, v. 7, n. 11, p. 15467, doi. 10.3390/rs71115467
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- Article
Investigating Bi-Temporal Hyperspectral Lidar Measurements from Declined Trees--Experiences from Laboratory Test.
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- Remote Sensing, 2015, v. 7, n. 10, p. 13863, doi. 10.3390/rs71013863
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- Article
Processing and Assessment of Spectrometric, Stereoscopic Imagery Collected Using a Lightweight UAV Spectral Camera for Precision Agriculture.
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- Remote Sensing, 2013, v. 5, n. 10, p. 5006, doi. 10.3390/rs5105006
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- Article
Land Surface Albedos Computed from BRF Measurements with a Study of Conversion Formulae.
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- Remote Sensing, 2010, v. 2, n. 8, p. 1918, doi. 10.3390/rs2081918
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- Article
Analysis of Properties of Reflectance Reference Targets for Permanent Radiometric Test Sites of High Resolution Airborne Imaging Systems.
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- Remote Sensing, 2010, v. 2, n. 8, p. 1892, doi. 10.3390/rs2081892
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- Publication type:
- Article
Effect of small-scale snow surface roughness on snow albedo and reflectance.
- Published in:
- Cryosphere, 2021, v. 15, n. 2, p. 793, doi. 10.5194/tc-15-793-2021
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- Publication type:
- Article
Exploring forest changes in an Ips typographus L. outbreak area: insights from multi-temporal multispectral UAS remote sensing.
- Published in:
- European Journal of Forest Research, 2024, v. 143, n. 6, p. 1871, doi. 10.1007/s10342-024-01734-5
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- Publication type:
- Article