Study of surface brightness from backscattered laser intensity: calibration of laser data. - Sanna Kaasalainen; Eero Ahokas; Juha Hyyppä; Juha Suomalainen (IEEE Geosci. Remote. Sens. Lett., 2005)

Measurement of directional and spectral signatures of light reflectance by snow. - Jouni Peltoniemi; Sanna Kaasalainen; Jyri Näränen; Leena Matikainen; Jukka Piironen (IEEE Trans. Geosci. Remote. Sens., 2005)

Toward Hyperspectral Lidar: Measurement of Spectral Backscatter Intensity With a Supercontinuum Laser Source. - Sanna Kaasalainen; Tomi Lindroos; Juha Hyyppä (IEEE Geosci. Remote. Sens. Lett., 2007)

Brightness Measurements and Calibration With Airborne and Terrestrial Laser Scanners. - Sanna Kaasalainen; Antero Kukko; Tomi Lindroos; Paula Litkey; Harri Kaartinen; Juha Hyyppä; Eero Ahokas (IEEE Trans. Geosci. Remote. Sens., 2008)

SNORTEX (Snow Reflectance Transition Experiment): Remote Sensing Measurement of the Dynamic Properties of the Boreal Snow-forest in Support to Climate and Weather Forecast: Report of IOP-2008. - Jean-Louis Roujean; Terhikki Manninen; Anna Kontu; Jouni Peltoniemi; Olivier Hautecoeur; Aku Riihelä; Panu Lahtinen; Niilo Siljamo; Hanne Suokanerva; Timo Sukuvaara; Sanna Kaasalainen; Osmo Aulamo; et al. (IGARSS (2), 2009)

Radiometric Calibration of Terrestrial Laser Scanners with External Reference Targets. - Sanna Kaasalainen; Anssi Krooks; Antero Kukko; Harri Kaartinen (Remote. Sens., 2009)

Use of Naturally Available Reference Targets to Calibrate Airborne Laser Scanning Intensity Data. - Ants Vain; Sanna Kaasalainen; Ulla Pyysalo; Anssi Krooks; Paula Litkey (Sensors, 2009)

Radiometric Calibration of LIDAR Intensity With Commercially Available Reference Targets. - Sanna Kaasalainen; Hannu Hyyppä; Antero Kukko; Paula Litkey; Eero Ahokas; Juha Hyyppä; Hubert Lehner; Anttoni Jaakkola; Juha Suomalainen; Altti Akujärvi; Mikko Kaasalainen; Ulla Pyysalo (IEEE Trans. Geosci. Remote. Sens., 2009)

Experiences of mobile mapping in environmental monitoring. - Antero Kukko; Harri Kaartinen; Sanna Kaasalainen; Matti Vaaja; Kati Anttila (UPINLBS, 2010)

Active hyperspectral LIDAR methods for object classification. - Sanna Kaasalainen; Juha Suomalainen; Teemu Hakala; Yuwei Chen; Esa Räikkönen; Eetu Puttonen; Harri Kaartinen (WHISPERS, 2010)

Correcting Airborne Laser Scanning Intensity Data for Automatic Gain Control Effect. - Ants Vain; Xiaowei Yu; Sanna Kaasalainen; Juha Hyyppä (IEEE Geosci. Remote. Sens. Lett., 2010)

Classification of Defoliated Trees Using Tree-Level Airborne Laser Scanning Data Combined with Aerial Images. - Tuula Kantola; Mikko Vastaranta; Xiaowei Yu; Päivi Lyytikäinen-Saarenmaa; Markus Holopainen; Mervi Talvitie; Sanna Kaasalainen; Svein Solberg; Juha Hyyppä (Remote. Sens., 2010)

Two-channel Hyperspectral LiDAR with a Supercontinuum Laser Source. - Yuwei Chen; Esa Räikkönen; Sanna Kaasalainen; Juha Suomalainen; Teemu Hakala; Juha Hyyppä; Ruizhi Chen (Sensors, 2010)

Effect of Target Moisture on Laser Scanner Intensity. - Sanna Kaasalainen; Henri Niittymaki; Anssi Krooks; Katharina Koch; Harri Kaartinen; Ants Vain; Hannu Hyyppä (IEEE Trans. Geosci. Remote. Sens., 2010)

The use of ALS, TLS and VLS measurements in mapping and monitoring urban trees. - Markus Holopainen; Mikko Vastaranta; Ville Kankare; Hannu Hyyppä; Matti Vaaja; Juha Hyyppä; Xinlian Liang; Paula Litkey; Xiaowei Yu; Harri Kaartinen; Antero Kukko; Sanna Kaasalainen; et al. (JURSE, 2011)

Analysis of Incidence Angle and Distance Effects on Terrestrial Laser Scanner Intensity: Search for Correction Methods. - Sanna Kaasalainen; Anttoni Jaakkola; Mikko Kaasalainen; Anssi Krooks; Antero Kukko (Remote. Sens., 2011)

Absolute Radiometric Calibration of ALS Intensity Data: Effects on Accuracy and Target Classification. - Sanna Kaasalainen; Ulla Pyysalo; Anssi Krooks; Ants Vain; Antero Kukko; Juha Hyyppä; Mikko Kaasalainen (Sensors, 2011)

Comprehensive quantitative tree models from TLS data. - Markku Åkerblom; Pasi Raumonen; Mikko Kaasalainen; Sanna Kaasalainen; Harri Kaartinen (IGARSS, 2012)

SAR radargrammetry and scanning LiDAR in predicting forest canopy height. - Mikko Vastaranta; Markus Holopainen; Mika Karjalainen; Ville Kankare; Juha Hyyppä; Sanna Kaasalainen; Hannu Hyyppä (IGARSS, 2012)

Classification of Spruce and Pine Trees Using Active Hyperspectral LiDAR. - Jari Vauhkonen; Teemu Hakala; Juha Suomalainen; Sanna Kaasalainen; Olli Nevalainen; Mikko Vastaranta; Markus Holopainen; Juha Hyyppä (IEEE Geosci. Remote. Sens. Lett., 2013)

Fast Automatic Precision Tree Models from Terrestrial Laser Scanner Data. - Pasi Raumonen; Mikko Kaasalainen; Markku Åkerblom; Sanna Kaasalainen; Harri Kaartinen; Mikko Vastaranta; Markus Holopainen; Mathias Disney; Philip Lewis (Remote. Sens., 2013)

Change Detection of Tree Biomass with Terrestrial Laser Scanning and Quantitative Structure Modelling. - Sanna Kaasalainen; Anssi Krooks; Jari Liski; Pasi Raumonen; Harri Kaartinen; Mikko Kaasalainen; Eetu Puttonen; Kati Anttila; Raisa Mäkipää (Remote. Sens., 2014)

Monitoring Changes in Rice Cultivated Area from SAR and Optical Satellite Images in Ben Tre and Tra Vinh Provinces in Mekong Delta, Vietnam. - Kirsi Karila; Olli Nevalainen; Anssi Krooks; Mika Karjalainen; Sanna Kaasalainen (Remote. Sens., 2014)

TerraSAR-X Stereo Radargrammetry and Airborne Scanning LiDAR Height Metrics in Imputation of Forest Aboveground Biomass and Stem Volume. - Mikko Vastaranta; Markus Holopainen; Mika Karjalainen; Ville Kankare; Juha Hyyppä; Sanna Kaasalainen (IEEE Trans. Geosci. Remote. Sens., 2014)

Ground Level Determination in Forested Environment With Utilization of a Scanner-Centered Terrestrial Laser Scanning Configuration. - Eetu Puttonen; Anssi Krooks; Harri Kaartinen; Sanna Kaasalainen (IEEE Geosci. Remote. Sens. Lett., 2015)

Investigating Bi-Temporal Hyperspectral Lidar Measurements from Declined Trees - Experiences from Laboratory Test. - Samuli Junttila; Sanna Kaasalainen; Mikko Vastaranta; Teemu Hakala; Olli Nevalainen; Markus Holopainen (Remote. Sens., 2015)

Measuring Leaf Water Content with Dual-Wavelength Intensity Data from Terrestrial Laser Scanners. - Samuli Junttila; Mikko Vastaranta; Xinlian Liang; Harri Kaartinen; Antero Kukko; Sanna Kaasalainen; Markus Holopainen; Hannu Hyyppä; Juha Hyyppä (Remote. Sens., 2017)

Multispectral Terrestrial Laser Scanning: New Developments and Applications. - Sanna Kaasalainen; Tuomo Malkamäki; Julian Ilinea; Laura Ruotsalainen (IGARSS, 2018)

Cooperative Environment Recognition Utilizing UWB Waveforms and CNNs. - Maija Mäkelä; Jesperi Rantanen; Julian Ilinea; Martti Kirkko-Jaakkola; Sanna Kaasalainen; Laura Ruotsalainen (ENC, 2020)

Toward Autonomous Driving in Arctic Areas. - Laura Ruotsalainen; Valérie Renaudin; Ling Pei; Marco Piras; Juliette Marais; Emerson Cavalheri; Sanna Kaasalainen (IEEE Intell. Transp. Syst. Mag., 2020)

Performance of EGNSS-Based Timing in Various Threat Conditions. - Salomon Honkala; Sarang Thombre; Martti Kirkko-Jaakkola; Hein Zelle; Henk Veerman; Anders E. Wallin; Erik F. Dierikx; Sanna Kaasalainen; Stefan Söderholm; Heidi Kuusniemi (IEEE Trans. Instrum. Meas., 2020)

REASON - Resilience and Security of Geospatial Data for Critical Infrastructures. - Sanna Kaasalainen; Maija Mäkelä; Laura Ruotsalainen; Titti Malmivirta; Thomas Fordell; Kalle Hanhijärvi; Anders E. Wallin; Thomas Lindvall; Sergey Nikolskiy; Martta-Kaisa Olkkonen; Jesperi Rantanen; Sonja Lahtinen; et al. (ICL-GNSS (Work in Progress), 2021)

Special issue on Nordic Remote Sensing: Data acquisition, algorithms and applications. - Cici Alexander; Geoff Groom; Sanna Kaasalainen; Freysteinn Sigmundsson (Int. J. Appl. Earth Obs. Geoinformation, 2021)

Cooperative Heading Estimation with von Mises-Fisher Distribution and Particle Filtering. - Maija Mäkelä; Martti Kirkko-Jaakkola; Toni Hammarberg; Tuomo Malkamäki; Jesperi Rantanen; Sanna Kaasalainen (FUSION, 2022)

Position, Navigation, and Timing (PNT) Through Low Earth Orbit (LEO) Satellites: A Survey on Current Status, Challenges, and Opportunities. - Fabricio dos Santos Prol; Ruben Morales Ferre; Zainab Saleem; Petri Välisuo; Christina Pinell; Elena Simona Lohan; Mahmoud Elsanhoury; Mohammed S. Elmusrati; Saiful Islam; Kaan Çelikbilek; Kannan Selvan; Jaakko Yliaho; et al. (IEEE Access, 2022)

Is LEO-Based Positioning with Mega-Constellations the Answer for Future Equal Access Localization? - Ruben Morales Ferre; Elena Simona Lohan; Heidi Kuusniemi; Jaan Praks; Sanna Kaasalainen; Christina Pinell; Mahmoud Elsanhoury (IEEE Commun. Mag., 2022)

Combating Single-Frequency Jamming through a Multi-Frequency, Multi-Constellation Software Receiver: A Case Study for Maritime Navigation in the Gulf of Finland. - Saiful Islam; Mohammad Zahidul H. Bhuiyan; Sarang Thombre; Sanna Kaasalainen (Sensors, 2022)

GNSS Signal Monitoring and Security of Supply of GNSS-Based Services. - Mika Saajasto; Sanna Kaasalainen; Maija Mäkelä; Mohammad Zahidul H. Bhuiyan; Hannu Koivula; Martti Kirkko-Jaakkola; Heidi Kuusniemi (critis, 2023)

Detecting consistent patterns in pseudorange residuals in GNSS timing data. - Mikko Kotilainen; Maija Mäkelä; Kalle Hanhijärvi; Martta-Kaisa Olkkonen; Anders E. Wallin; Thomas Fordell; Sanna Kaasalainen (ICL-GNSS, 2023)

Convolutional neural network based approach for estimating ionospheric delay from GNSS observables. - Mika Saajasto; Maija Mäkelä; Fabricio dos Santos Prol; Mohammad Zahidul H. Bhuiyan; Sanna Kaasalainen (ICL-GNSS, 2023)

Considerations of Achieving Ubiquitous PNT in Industry 4.0 and Beyond. - Martta-Kaisa Olkkonen; Martti Kirkko-Jaakkola; Sanna Kaasalainen (MetroInd4.0&IoT, 2023)

Impact analysis of spoofing on different-grade GNSS receivers. - Saiful Islam; Mohammad Zahidul H. Bhuiyan; Into Pääkkönen; Mika Saajasto; Maija Mäkelä; Sanna Kaasalainen (PLANS, 2023)

Simulations using LEO-PNT systems: A Brief Survey. - Fabricio dos Santos Prol; Sanna Kaasalainen; Elena Simona Lohan; Mohammad Zahidul H. Bhuiyan; Jaan Praks; Heidi Kuusniemi (PLANS, 2023)

The Potential of LEO-PNT Mega-Constellations for Ionospheric 3-D Imaging: A Simulation Study. - Fabricio dos Santos Prol; Artem Smirnov; Sanna Kaasalainen; Mohammed Mainul Hoque; Mohammad Zahidul H. Bhuiyan; Francesco Menzione (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2023)

LEO-PNT payload architecture and satellite design analysis. - Mayank 006; Fabricio dos Santos Prol; Ville Lundén; Elena Simona Lohan; Zainab Saleem; Shikha Sharma; Mohammad Zahidul H. Bhuiyan; Sanna Kaasalainen; Heidi Kuusniemi; Jaan Praks (WiSEE, 2024)

An Enhanced FGI-GSRx Software-Defined Receiver for the Execution of Long Datasets. - Muwahida Liaquat; Mohammad Zahidul H. Bhuiyan; Saiful Islam; Into Pääkkönen; Sanna Kaasalainen (Sensors, 2024)

Simulations of Dedicated LEO-PNT Systems for Precise Point Positioning: Methodology, Parameter Analysis, and Accuracy Evaluation. - Fabricio dos Santos Prol; Mohammad Zahidul H. Bhuiyan; Sanna Kaasalainen; Elena Simona Lohan; Jaan Praks; Kaan Çelikbilek; Heidi Kuusniemi (IEEE Trans. Aerosp. Electron. Syst., 2024)

LEO-PNT Feasibility Aspects: Satellite Navigation Payload Size, Weight, and Power Analysis. - Mayank 006; Fabricio dos Santos Prol; Ville Lundén; Zainab Saleem; Guillem Foreman-Campins; Shikha Sharma; Elena Simona Lohan; M. Z. H. Bhuiyan; Sanna Kaasalainen; Heidi Kuusniemi; Jaan Praks (IEEE Access, 2025)

Differential Signals-of-Opportunity Timing Back-Up Method on VHF Band for Critical Infrastructures. - Martta-Kaisa Olkkonen; Maija Mäkelä; Sanna Kaasalainen (IEEE Access, 2025)