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ResearcherID: D-6166-2016
SciProfiles: 2353941

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Finnish Geospatial Research Institute: Espoo, FI

Employment
Source: Self-asserted source
Teemu Hakala

Works (50 of 72)

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Page 1 of 2

Integration of a Mobile Laser Scanning System with a Forest Harvester for Accurate Localization and Tree Stem Measurements

Remote Sensing
2024-09 | Journal article | Author
DOI: 10.3390/rs16173292
Contributors: Tamas Faitli; Eric Hyyppä; Heikki Hyyti; Teemu Hakala; Harri Kaartinen; Antero Kukko; Jesse Muhojoki; Juha Hyyppä
Source: check_circle
Multidisciplinary Digital Publishing Institute

Benchmarking Under- and Above-Canopy Laser Scanning Solutions for Deriving Stem Curve and Volume in Easy and Difficult Boreal Forest Conditions

Remote Sensing
2024-05 | Journal article | Author
DOI: 10.3390/rs16101721
Contributors: Jesse Muhojoki; Daniella; Eric Hyyppä; Matti Lehtomäki; Tamas Faitli; Harri Kaartinen; Antero Kukko; Teemu Hakala; Juha Hyyppä
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Multidisciplinary Digital Publishing Institute

Comparison of Deep Neural Networks in the Classification of Bark Beetle-Induced Spruce Damage Using UAS Images

Remote Sensing
2023-10 | Journal article | Author
DOI: 10.3390/rs15204928
Contributors: Emma Turkulainen; Eija Honkavaara; Roope Näsi; Raquel Alves Oliveira; Teemu Hakala; Oula Samuli Junttila; Kirsi Karila; Niko Koivumäki; Mikko Pelto-Arvo; Johanna Tuviala et al.
Source: check_circle
Multidisciplinary Digital Publishing Institute

Investigating Foliar Macro- and Micronutrient Variation with Chlorophyll Fluorescence and Reflectance Measurements at the Leaf and Canopy Scales in Potato

Remote Sensing
2023-05 | Journal article | Author
DOI: 10.3390/rs15102498
Contributors: Jaakko Oivukkamäki; jon atherton; Shan Xu; Anu Riikonen; Chao Zhang; Teemu Hakala; Eija Honkavaara; Albert Porcar-Castell
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Multidisciplinary Digital Publishing Institute

Evaluating Factors Impacting Fallen Tree Detection from Airborne Laser Scanning Point Clouds

Remote Sensing
2023-01 | Journal article | Author
DOI: 10.3390/rs15020382
Contributors: Einari Heinaro; Topi Tanhuanpää; Mikko Vastaranta; Tuomas A Yrttimaa; Antero Kukko; Teemu Hakala; Teppo Mattsson; Markus Holopainen
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Multidisciplinary Digital Publishing Institute

Visual-Inertial Odometry Using High Flying Altitude Drone Datasets

Drones
2023-01 | Journal article | Author
DOI: 10.3390/drones7010036
Contributors: Anand George; Niko Koivumäki; Teemu Hakala; Juha Suomalainen; Eija Honkavaara
Source: check_circle
Multidisciplinary Digital Publishing Institute

Estimating Tree Health Decline Caused by <i>Ips typographus</i> L. from UAS RGB Images Using a Deep One-Stage Object Detection Neural Network

Remote Sensing
2022-12 | Journal article | Author
DOI: 10.3390/rs14246257
Contributors: Heini Kanerva; Eija Honkavaara; Roope Näsi; Teemu Hakala; Oula Samuli Junttila; Kirsi Karila; Niko Koivumäki; Raquel Alves Oliveira; Mikko Pelto-Arvo; Ilkka Pölönen et al.
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Multidisciplinary Digital Publishing Institute

Feasibility of Hyperspectral Single Photon Lidar for Robust Autonomous Vehicle Perception

Sensors
2022-08 | Journal article | Author
DOI: 10.3390/s22155759
Contributors: Josef Taher; Teemu Hakala; Anttoni Jaakkola; Heikki Hyyti; Antero Kukko; Petri Manninen; Jyri Maanpää; Juha Hyyppä
Source: check_circle
Multidisciplinary Digital Publishing Institute

A Novel Tilt Correction Technique for Irradiance Sensors and Spectrometers On-Board Unmanned Aerial Vehicles

Remote Sensing
2018-12 | Journal article | Author
DOI: 10.3390/rs10122068
Contributors: Juha Suomalainen; Teemu Hakala; Raquel Alves de Oliveira; Lauri Markelin; Niko Koivumäki; Roope Näsi; Eija Honkavaara
Source: check_circle
Multidisciplinary Digital Publishing Institute

Estimating Biomass and Nitrogen Amount of Barley and Grass Using UAV and Aircraft Based Spectral and Photogrammetric 3D Features

Remote Sensing
2018-07 | Journal article
DOI: 10.3390/rs10071082
Source: check_circle
Multidisciplinary Digital Publishing Institute

An Analysis of Ku-Band Profiling Radar Observations of Boreal Forest

Remote Sensing
2017-12 | Journal article
DOI: 10.3390/rs9121252
Source: check_circle
Multidisciplinary Digital Publishing Institute

Calibrating laser scanner data from snow surfaces: Correction of intensity effects

Cold Regions Science and Technology
2016 | Journal article
Source: Self-asserted source
Teemu Hakala

Growth and development of Norway spruce and Scots pine seedlings under different light spectra

Environmental and Experimental Botany
2016 | Journal article
Source: Self-asserted source
Teemu Hakala

Artificial target detection with a hyperspectral lidar over 26-h measurement

Optical Engineering
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Corrigendum to “Technical notes: A detailed study for the provision of measurement uncertainty and traceability for goniospectrometers”[J. Quant. Spectrosc. Radiat. Transf. 146 (2014) 376--390]

Journal of Quantitative Spectroscopy and Radiative Transfer
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Impacts of light-absorbing impurities on snow and their quantification using bidirectional reflectance measurements

2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Investigating Bi-Temporal Hyperspectral Lidar Measurements from Declined Trees—Experiences from Laboratory Test

Remote Sensing
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Optical measurements of chemically heterogeneous particulate surfaces

Journal of Quantitative Spectroscopy and Radiative Transfer
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

SLAM-Aided Stem Mapping for Forest Inventory with Small-Footprint Mobile LiDAR

Forests
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Soot on Snow experiment: bidirectional reflectance factor measurements of contaminated snow

The Cryosphere
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Technical Note: Multispectral lidar time series of pine canopy chlorophyll content

Biogeosciences
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Using UAV-Based Photogrammetry and Hyperspectral Imaging for Mapping Bark Beetle Damage at Tree-Level

Remote Sensing
2015 | Journal article
Source: Self-asserted source
Teemu Hakala

Autonomous hyperspectral UAS photogrammetry for environmental monitoring applications

The International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

Fast and nondestructive method for leaf level chlorophyll estimation using hyperspectral lidar

Agricultural and Forest Meteorology
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

FIGIFIGO as a tool to characterize and identify planetary analogue sites

Asteroids, Comets, Meteors 2014
2014 | Conference paper
Source: Self-asserted source
Teemu Hakala

Geometric processing workflow for vertical and oblique hyperspectral frame images collected using UAV

The International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

Hemispherical directional reflectance factor using UAV and a hyperspectral camera, validation and crop field test

SPIE remote sensing
2014 | Conference paper
Source: Self-asserted source
Teemu Hakala

Hemispherical-directional reflectance factor measurements of snow on the Greenland Ice Sheet during the Radiation, Snow Characteristics and Albedo at Summit (RASCALS) campaign

Journal of Quantitative Spectroscopy and Radiative Transfer
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

Hyperspectral lidar in non-destructive 4D monitoring of climate variables

The International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

Metrology of Image Processing in Spectral Reflectance Measurement by Uav

The International Archives of Photogrammetry, Remote Sensing and Spatial Information Sciences
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

Optical properties and climate forcing of Icelandic dust

EGU General Assembly Conference Abstracts
2014 | Conference paper
Source: Self-asserted source
Teemu Hakala

Reflectance measurements from particulate surfaces

Asteroids, Comets, Meteors 2014
2014 | Conference paper
Source: Self-asserted source
Teemu Hakala

Technical Note: Hyperspectral lidar time series of pine canopy physiological parameters

Biogeosciences Discussions
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

Technical notes: A detailed study for the provision of measurement uncertainty and traceability for goniospectrometers

Journal of Quantitative Spectroscopy and Radiative Transfer
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

The metrology of directional, spectral reflectance factor measurements based on area format imaging by UAVs

Photogrammetrie-Fernerkundung-Geoinformation
2014 | Journal article
Source: Self-asserted source
Teemu Hakala

UAV-based hyperspectral monitoring of small freshwater area

Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series
2014 | Conference paper
Source: Self-asserted source
Teemu Hakala

Bidirectional Reflectance Measurements of Meteorites Acquired by FGI’s Field Goniospectrometer

Proceedings of the International Meteor Conference, 31st IMC, La Palma, Canary Islands, Spain, 2012
2013 | Conference paper
Source: Self-asserted source
Teemu Hakala

Correction of intensity incidence angle effect in terrestrial laser scanning

ISPRS Ann. Photogramm. Remote Sens. Spat. Inf. Sci
2013 | Journal article
Source: Self-asserted source
Teemu Hakala

Effects of BC, Icelandic volcanic sand and glaciogenic silt on the spectral reflectance and melt of seasonal Arctic snow (SoS-2013 experiment)

AGU Fall Meeting Abstracts
2013 | Journal article
Source: Self-asserted source
Teemu Hakala

Miniaturized hyperspectral imager calibration and UAV flight campaigns

SPIE Remote Sensing
2013 | Conference paper
Source: Self-asserted source
Teemu Hakala

New light-weight stereosopic spectrometric airborne imaging technology for high-resolution environmental remote sensing case studies in water quality mapping

International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
2013 | Journal article
Source: Self-asserted source
Teemu Hakala

Nitrogen concentration estimation with hyperspectral LiDAR

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, II-5 W
2013 | Journal article
Source: Self-asserted source
Teemu Hakala

Processing and assessment of spectrometric, stereoscopic imagery collected using a lightweight UAV spectral camera for precision agriculture

Remote Sensing
2013 | Journal article
Source: Self-asserted source
Teemu Hakala

Spectral imaging from UAVs under varying illumination conditions

UAV-g2013, 4--6 September 2013, Rostock, Germany. Edited by G. Grenzdörffer, & R. Bill. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences (XL-1/W2). International Society for Photogrammetry and Remote Sensing (ISPRS). doi: 10.5194/isprsarchives-XL-1-W2-189-2013
2013 | Journal article
Source: Self-asserted source
Teemu Hakala

A process for radiometric correction of UAV image blocks

Photogrammetrie-Fernerkundung-Geoinformation
2012 | Journal article
Source: Self-asserted source
Teemu Hakala

Full Waveform Active Hyperspectral Lidar

ISPRS-International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
2012 | Journal article
Source: Self-asserted source
Teemu Hakala

Full waveform hyperspectral LiDAR for terrestrial laser scanning

Optics express
2012 | Journal article
Source: Self-asserted source
Teemu Hakala

Hyperspectral reflectance signatures and point clouds for precision agriculture by light weight UAV imaging system

ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. I-7
2012 | Journal article
Source: Self-asserted source
Teemu Hakala

Demonstration of a virtual active hyperspectral LiDAR in automated point cloud classification

ISPRS Journal of Photogrammetry and Remote Sensing
2011 | Journal article
Source: Self-asserted source
Teemu Hakala

The radiation, snow characteristics and albedo at summit (RASCALS) expedition report

2011 | Journal article
Source: Self-asserted source
Teemu Hakala
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