Dennis David Langer

About

Research Topics: Agile imaging and operations from small satellite platforms, hyperspectral data processing.

Supervisors: Asgeir Sørensen, Tor Arne Johansen

Previous Education: Ph.D. in small satellite systems from the Department of Marine Technology at NTNU. Master (of Technology) in Industrial Cybernetics from the Department of Engineering Cybernetics at NTNU. Bachelor (of Engineering) in satellite technology from the Faculty of Engineering Science and Technology at UiT, campus Narvik.

Dennis' research interests include geometric processing of push-broom remote sensing data, on-board software for small satellite systems, and uncrewed aerial vehicle (UAV) missions with imaging spectrometer/hyperspectral payloads.

Publications

2025

Justo, Jon Alvarez; Langer, Dennis David; Berg, Simen; Nieke, Jens; Ionescu, Radu Tudor; Kjeldsberg, Per Gunnar. (2025) Hyperspectral Image Segmentation for Optimal Satellite Operations: In-Orbit Deployment of 1D-CNN. Remote Sensing
Academic article

2024

Berg, Simen; Langer, Dennis David; Chiatante, Corrado; Birkeland, Roger; Justo, Jon Alvarez; Johansen, Tor Arne. (2024) Onboard classification to guide capture downlink using the HYPSO-1 satellite. Proceedings of the International Astronautical Congress
Academic article
Langer, Dennis David; Garrett, Joseph Landon; Berg, Simen; Bakken, Sivert; Birkeland, Roger. (2024) The HYPSO RGB cameras. Proceedings of the International Astronautical Congress
Academic article
Langer, Dennis David; Garrett, Joseph Landon; Kristiansen, Bjørn Andreas; Bakken, Sivert; Berg, Simen; Birkeland, Roger. (2024) Agile Maneuvers for Push-Broom Imaging Satellites. IEEE Transactions on Geoscience and Remote Sensing
Academic article

2023

Chiatante, Corrado; Langer, Dennis David; Garrett, Joseph Landon; Birkeland, Roger; Berg, Simen; Orlandic, Milica. (2023) ONBOARD HYPERSPECTRAL CLASSIFICATION ENABLES GEOREFERENCING. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Hasler, Oliver Kevin; Winter, Adrian; Langer, Dennis David; Bryne, Torleiv Håland; Johansen, Tor Arne. (2023) Lightweight UAV payload for image spectroscopy and atmospheric irradiance measurements. IEEE International Geoscience and Remote Sensing Symposium proceedings
Academic article
Langer, Dennis David; Johansen, Tor Arne; Sørensen, Asgeir Johan. (2023) Method for consistent along-track sharpness in a push-broom imaging system. IEEE International Geoscience and Remote Sensing Symposium proceedings
Academic article
Langer, Dennis David; Berg, Simen; Garrett, Joseph Landon; Birkeland, Roger; Bakken, Sivert; Johansen, Tor Arne. (2023) Agile smallsat operation tool-chain development: Hypso-1 hyperspectral earth observation experiences. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Justo, Jon Alvarez; Garrett, Joseph Landon; Langer, Dennis David; Henriksen, Marie Bøe; Ionescu, Radu Tudor; Johansen, Tor Arne. (2023) An Open Hyperspectral Dataset with Sea-Land-Cloud Ground-Truth from the HYPSO-1 Satellite. arXiv
Academic article
Langer, Dennis David; Orlandic, Milica; Bakken, Sivert; Birkeland, Roger; Garrett, Joseph Landon; Johansen, Tor Arne. (2023) Robust and Reconfigurable On-Board Processing for a Hyperspectral Imaging Small Satellite. Remote Sensing
Academic article
Kristiansen, Bjørn Andreas; Langer, Dennis David; Garrett, Joseph Landon; Berg, Simen; Gravdahl, Jan Tommy; Johansen, Tor Arne. (2023) Accuracy of a slew maneuver for the HYPSO-1 hyperspectral imaging satellite — in-orbit results. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Bakken, Sivert; Langer, Dennis David; Garrett, Joseph Landon; Moan, Steven Yves Le; Johansen, Tor Arne. (2023) Spatial Resolution Enhancement of Hyperspectral Images from Miniaturized Sensors. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Bakken, Sivert; Henriksen, Marie Bøe; Birkeland, Roger; Langer, Dennis David; Oudijk, Adriënne Esmeralda; Berg, Simen. (2023) HYPSO-1 CubeSat: First Images and In-Orbit Characterization. Remote Sensing
Academic article

2022

Langer, Dennis D.; Prentice, Elizabeth; Johansen, Tor Arne; Sørensen, Asgeir Johan. (2022) Validation of hyperspectral camera operations with an experimental aircraft. IEEE International Geoscience and Remote Sensing Symposium proceedings
Academic article
Bakken, Sivert; Birkeland, Roger; Garrett, Joseph; Marton, Per Amund Roaulsson; Orlandic, Milica; Honoré-Livermore, Evelyn. (2022) Testing of Software-Intensive Hyperspectral Imaging Payload for the HYPSO-1 CubeSat. IEEE/SICE International Symposium on System Integration
Academic article
Bakken, Sivert; Honoré-Livermore, Evelyn; Birkeland, Roger; Orlandic, Milica; Prentice, Elizabeth Frances; Garrett, Joseph. (2022) Software Development and Integration of a Hyperspectral Imaging Payload for HYPSO-1. IEEE/SICE International Symposium on System Integration
Academic article
Langer, Dennis D.; Johansen, Tor Arne; Sørensen, Asgeir Johan. (2022) Interactive hyperspectral data inspection during field operations. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Bakken, Sivert; Danielsen, Aksel Skrøvset; Døsvik, Kristine; Garrett, Joseph; Orlandic, Milica; Langer, Dennis D.. (2022) A modular hyperspectral image processing pipeline for cubesats. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article

2021

Garrett, Joseph; Bakken, Sivert; Prentice, Elizabeth Frances; Langer, Dennis D.; Leira, Frederik Stendahl; Honoré-Livermore, Evelyn. (2021) Hyperspectral Image Processing Pipelines on Multiple Platforms for Coordinated Oceanographic Observation. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article

Journal publications

Justo, Jon Alvarez; Langer, Dennis David; Berg, Simen; Nieke, Jens; Ionescu, Radu Tudor; Kjeldsberg, Per Gunnar. (2025) Hyperspectral Image Segmentation for Optimal Satellite Operations: In-Orbit Deployment of 1D-CNN. Remote Sensing
Academic article
Berg, Simen; Langer, Dennis David; Chiatante, Corrado; Birkeland, Roger; Justo, Jon Alvarez; Johansen, Tor Arne. (2024) Onboard classification to guide capture downlink using the HYPSO-1 satellite. Proceedings of the International Astronautical Congress
Academic article
Langer, Dennis David; Garrett, Joseph Landon; Berg, Simen; Bakken, Sivert; Birkeland, Roger. (2024) The HYPSO RGB cameras. Proceedings of the International Astronautical Congress
Academic article
Langer, Dennis David; Garrett, Joseph Landon; Kristiansen, Bjørn Andreas; Bakken, Sivert; Berg, Simen; Birkeland, Roger. (2024) Agile Maneuvers for Push-Broom Imaging Satellites. IEEE Transactions on Geoscience and Remote Sensing
Academic article
Chiatante, Corrado; Langer, Dennis David; Garrett, Joseph Landon; Birkeland, Roger; Berg, Simen; Orlandic, Milica. (2023) ONBOARD HYPERSPECTRAL CLASSIFICATION ENABLES GEOREFERENCING. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Hasler, Oliver Kevin; Winter, Adrian; Langer, Dennis David; Bryne, Torleiv Håland; Johansen, Tor Arne. (2023) Lightweight UAV payload for image spectroscopy and atmospheric irradiance measurements. IEEE International Geoscience and Remote Sensing Symposium proceedings
Academic article
Langer, Dennis David; Johansen, Tor Arne; Sørensen, Asgeir Johan. (2023) Method for consistent along-track sharpness in a push-broom imaging system. IEEE International Geoscience and Remote Sensing Symposium proceedings
Academic article
Langer, Dennis David; Berg, Simen; Garrett, Joseph Landon; Birkeland, Roger; Bakken, Sivert; Johansen, Tor Arne. (2023) Agile smallsat operation tool-chain development: Hypso-1 hyperspectral earth observation experiences. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Justo, Jon Alvarez; Garrett, Joseph Landon; Langer, Dennis David; Henriksen, Marie Bøe; Ionescu, Radu Tudor; Johansen, Tor Arne. (2023) An Open Hyperspectral Dataset with Sea-Land-Cloud Ground-Truth from the HYPSO-1 Satellite. arXiv
Academic article
Langer, Dennis David; Orlandic, Milica; Bakken, Sivert; Birkeland, Roger; Garrett, Joseph Landon; Johansen, Tor Arne. (2023) Robust and Reconfigurable On-Board Processing for a Hyperspectral Imaging Small Satellite. Remote Sensing
Academic article
Kristiansen, Bjørn Andreas; Langer, Dennis David; Garrett, Joseph Landon; Berg, Simen; Gravdahl, Jan Tommy; Johansen, Tor Arne. (2023) Accuracy of a slew maneuver for the HYPSO-1 hyperspectral imaging satellite — in-orbit results. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Bakken, Sivert; Langer, Dennis David; Garrett, Joseph Landon; Moan, Steven Yves Le; Johansen, Tor Arne. (2023) Spatial Resolution Enhancement of Hyperspectral Images from Miniaturized Sensors. Proceedings of SPIE, the International Society for Optical Engineering
Academic article
Bakken, Sivert; Henriksen, Marie Bøe; Birkeland, Roger; Langer, Dennis David; Oudijk, Adriënne Esmeralda; Berg, Simen. (2023) HYPSO-1 CubeSat: First Images and In-Orbit Characterization. Remote Sensing
Academic article
Langer, Dennis D.; Prentice, Elizabeth; Johansen, Tor Arne; Sørensen, Asgeir Johan. (2022) Validation of hyperspectral camera operations with an experimental aircraft. IEEE International Geoscience and Remote Sensing Symposium proceedings
Academic article
Bakken, Sivert; Birkeland, Roger; Garrett, Joseph; Marton, Per Amund Roaulsson; Orlandic, Milica; Honoré-Livermore, Evelyn. (2022) Testing of Software-Intensive Hyperspectral Imaging Payload for the HYPSO-1 CubeSat. IEEE/SICE International Symposium on System Integration
Academic article
Bakken, Sivert; Honoré-Livermore, Evelyn; Birkeland, Roger; Orlandic, Milica; Prentice, Elizabeth Frances; Garrett, Joseph. (2022) Software Development and Integration of a Hyperspectral Imaging Payload for HYPSO-1. IEEE/SICE International Symposium on System Integration
Academic article
Langer, Dennis D.; Johansen, Tor Arne; Sørensen, Asgeir Johan. (2022) Interactive hyperspectral data inspection during field operations. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Bakken, Sivert; Danielsen, Aksel Skrøvset; Døsvik, Kristine; Garrett, Joseph; Orlandic, Milica; Langer, Dennis D.. (2022) A modular hyperspectral image processing pipeline for cubesats. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article
Garrett, Joseph; Bakken, Sivert; Prentice, Elizabeth Frances; Langer, Dennis D.; Leira, Frederik Stendahl; Honoré-Livermore, Evelyn. (2021) Hyperspectral Image Processing Pipelines on Multiple Platforms for Coordinated Oceanographic Observation. Workshop on Hyperspectral Image and Signal Processing, Evolution in Remote Sensing
Academic article

Teaching

Supervision

Semester Projects

Main supervisor, Tjerand Bjørnsen, 2022, "Implementing On-Board Direct Georeferencing on the HYPSO Satellites"
Main supervisor, Øydis Herland, 2024, "Agile Earth Observation Satellite simulation studies"
Co-supervisor, Astrid Christine Zieritz, 2024, "Protecting Water Resources through Machine Learning and Hyperspectral Imaging in Remote Sensing CubeSats"
Co-supervisor, Erlend Tveiten Øien, 2024, "Every Variable Everywhere All at Once"
Co-supervisor, Philip Daniel Budd, 2024, "HYPSO-2 Hyperspectral + Multispectral data fusion"

Masters projects

Co-supervisor, Ole Kristian O. Saatvedt, 2024, "An investigation into Multimodal UAV imaging for ocean color and benthic mapping"

Other

Helping the students in the SmallSat Lab in an inofficial capacity, 2021-2024

Outreach