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Staff photo Ola Ringdahl

Ola Ringdahl

Agriculture and forestry robotics researcher. Director of the MSc programme in AI. Teaching several undergraduate courses, including AI. Member of the council for undergraduate education.

Contact

E-mail
ola.ringdahl@umu.se
Location
Plan 2, MIT-huset, C241 Umeå universitet, 901 87 Umeå
Phone
+46 90 786 57 22

Works at

Affiliation
Senior research engineer (absent) at Department of Computing Science
Affiliation
Associate professor at Department of Computing Science
Development of a sweet pepper harvesting robot
Journal of Field Robotics, John Wiley & Sons 2020, Vol. 37, (6) : 1027-1039
Arad, Boaz; Balendonck, Jos; Barth, Ruud; et al.
PointNet and geometric reasoning for detection of grape vines from single frame RGB-D data in outdoor conditions
Proceedings of the Northern Lights Deep Learning Workshop, Septentrio Academic Publishing 2020 : 1-6
Kurtser, Polina; Ringdahl, Ola; Rotstein, Nati; et al.
In-field grape cluster size assessment for vine yield estimation using a mobile robot and a consumer level RGB-D camera
IEEE Robotics and Automation Letters, IEEE 2020, Vol. 5, (2) : 2031-2038
Kurtser, Polina; Ringdahl, Ola; Rotstein, Nati; et al.
Detection and classification of Root and Butt-Rot (RBR) in Stumps of Norway Spruce Using RGB Images and Machine Learning
Sensors, MDPI 2019, Vol. 19, (7)
Ostovar, Ahmad; Talbot, Bruce; Puliti, Stefano; et al.
Using RGB images and machine learning to detect and classify Root and Butt-Rot (RBR) in stumps of Norway spruce
Forest Operations in Response to Environmental Challenges: Proceedings of the Nordic-Baltic Conference on Operational Research (NB-NORD), June 3-5, Honne, Norway
Ostovar, Ahmad; Talbot, Bruce; Puliti, Stefano; et al.
Evaluation of approach strategies for harvesting robots: Case study of sweet pepper harvesting
Journal of Intelligent and Robotic Systems, Springer Netherlands 2019, Vol. 95, (1) : 149-164
Ringdahl, Ola; Kurtser, Polina; Edan, Yael
Performance of RGB-D camera for different object types in greenhouse conditions
2019 European Conference on Mobile Robots (ECMR): Conference Proceedings September 4- 6, 2019 Prague Czech Republic
Ringdahl, Ola; Kurtser, Polina; Edan, Yael
Adaptive Image Thresholding of Yellow Peppers for a Harvesting Robot
Robotics, MDPI 2018, Vol. 7, (1)
Ostovar, Ahmad; Ringdahl, Ola; Hellström, Thomas
Strategies for selecting best approach direction for a sweet-pepper harvesting robot
Towards Autonomous Robotic Systems: 18th Annual Conference, TAROS 2017, Guildford, UK, July 19–21, 2017, Proceedings, Cham: Springer 2017 : 516-525
Ringdahl, Ola; Kurtser, Polina; Edan, Yael
Human Detection Based on Infrared Images in Forestry Environments
Image Analysis and Recognition (ICIAR 2016): 13th International Conference, ICIAR 2016, in Memory of Mohamed Kamel, Póvoa de Varzim, Portugal, July 13-15, 2016, Proceedings : 175-182
Ostovar, Ahmad; Hellström, Thomas; Ringdahl, Ola
Operational flow of an autonomous sweetpepper harvesting robot
The 5th Israeli Conference on Robotics 2016, 13-14 April 2016, Air Force Conference Center Hertzilya, Israel
Ringdahl, Ola; Kurtser, Polina; Barth, Ruud; et al.
CROPS: Clever Robots for Crops
Engineering & Technology Reference, Vol. 1, (1)
Bontsema, Jan; Hemming, Jochen; Pekkeriet, Erik; et al.
Estimating the position of the harvester head: a key step towards the precision forestry of the future?
Croatian Journal of Forest Engineering, Zagreb, Croatia: Croatian Journal of Forest Engineering 2015, Vol. 36, (2) : 147-164
Lindroos, Ola; Ringdahl, Ola; Pedro, La Hera; et al.
Using ROS for agricultural robotics: design considerations and experiences
RHEA-2014 : 509-518
Barth, Ruud; Baur, Jörg; Buschmann, Thomas; et al.
CROPS: high tech agricultural robots
The European Society of Agricultural Engineers 2014
Bontsema, J.; Hemming, J.; Pekkeriet, E.; et al.
A software framework for agricultural and forestry robots
Industrial robot, Emerald Group Publishing Limited 2013, Vol. 40, (1) : 20-26
Hellström, Thomas; Ringdahl, Ola
Enhanced Algorithms for Estimating Tree Trunk Diameter Using 2D Laser Scanner
Remote Sensing, Basel: MDPI 2013, Vol. 5, (10) : 4839-4856
Ringdahl, Ola; Hohnloser, Peter; Hellström, Thomas; et al.
Tree diameter estimation using laser scanner
Report / UMINF, 12.20
Hellström, Thomas; Hohnloser, Peter; Ringdahl, Ola
A software framework for agricultural and forestry robotics
Proceedings of the first International Conference on Robotics and associated High-technologies and Equipment for agriculture: Applications of automated systems and robotics for crop protection in sustainable precision agriculture, Pisa: Pisa University Press 2012 : 171-176
Hellström, Thomas; Ringdahl, Ola
Potentials of possible machine systems for directly loading logs in cut-to-length harvesting
Canadian Journal of Forest Research, Canadian Science Publishing 2012, Vol. 42, (5) : 970-985
Ringdahl, Ola; Hellström, Thomas; Lindroos, Ola
Estimating wheel slip for a forest machine using RTK-DGPS
Journal of terramechanics, Vol. 49, (5) : 271-279
Ringdahl, Ola; Hellström, Thomas; Wästerlund, Iwan; et al.
Automation in forestry: development of unmanned forwarders
Report / UMINF, 11.03
Ringdahl, Ola
Path tracking in forest terrain by an autonomous forwarder
Scandinavian Journal of Forest Research, Taylor & Francis 2011, Vol. 26, (4) : 350-359
Ringdahl, Ola; Lindroos, Ola; Hellström, Thomas; et al.
Path tracking for autonomous forwarders in forest terrain
Precision Forestry Symposium: developments in Precision Forestry since 2006 : 42-43
Athanassiadis, Dimitris; Bergström, Dan; Hellström, Thomas; et al.
Autonomous forest vehicles: historic, envisioned, and state-of-the-art
International Journal of Forest Engineering, Vol. 20, (1) : 33-38
Hellström, Thomas; Lärkeryd, Per; Nordfjell, Tomas; et al.
Real-time path planning using a simulator-in-the-loop
International Journal Vehicle Autonomous Systems, Inderscience 2009, Vol. 7, (1/2) : 56-72
Hellström, Thomas; Ringdahl, Ola
A Java-based middleware for control and sensing in mobile robotics
International Conference on Intelligent Automation and Robotics 2008 : 649-654
Hellström, Thomas; Johansson, Thomas; Ringdahl, Ola
Autonomous forest machines: Past present and future
Report / UMINF, 08.06
Hellström, Thomas; Lärkeryd, Pär; Nordfjell, Thomas; et al.
A simulator driven path planner for autonomous off-road vehicles – initial results
Proceedings of the Israel Conference on Robotics (ICR08)
Hellström, Thomas; Ringdahl, Ola
Path planning for off-road vehicles with a simulator-in-the-loop
Report / UMINF, 08.07
Hellström, Thomas; Ringdahl, Ola
Autonomous Forest Machines: Techniques and Algorithms for Unmanned Vehicles
VDM Verlag Dr. Müller Aktiengesellschaft & Co. KG 2008
Ringdahl, Ola; Hellström, Thomas
A Software Framework for Control and Sensing in Mobile Robotics
Report / UMINF, 07.05
Hellström, Thomas; Johansson, Thomas; Ringdahl, Ola
Techniques and Algorithms for Autonomous Vehicles in Forest Environment
Report / UMINF, 07.17
Ringdahl, Ola
Development of an Autonomous Forest Machine for Path Tracking
Field and Service Robotics: Results of the 5th International Conference, New York: Springer 2006 : 603-614
Hellström, Thomas; Johansson, Thomas; Ringdahl, Ola
Follow the Past: a Path Tracking Algorithm for Autonomous Vehicles
International Journal of Vehicle Autonomous Systems, Inderscience 2006, Vol. 4, (2/3/4) : 216-224
Hellström, Thomas; Ringdahl, Ola
Path tracking and localization techniques for forest environment.
Proceedings of the Israel Conference on Robotics (ICR06)
Hellström, Thomas; Ringdahl, Ola; Siddiqui, Arsalan
Autonomous Navigation in Forest Environment
Proceedings from the 23rd Anual workshop of the Swedish Artificial Intelligence Society (SAIS06), : -
Ringdahl, Ola; Hellström, Thomas
Development of an Autonomous Path Tracking Forest Machine: a status report
Report / UMINF, 05.08
Georgsson, Fredrik; Hellström, Thomas; Johansson, Thomas; et al.
Autonomous Path Tracking Using Recorded Orientation and Steering Commands
Proceedings of Towards Autonomous Robotic Systems 2005 (TAROS05)
Hellström, Thomas; Ringdahl, Ola
Follow the Past - A Path Tracking Method Using Recorded Orientation and Steering Commands.
Proceedings of The Third Swedish Workshop on Autonomous Robotics (SWAR05) : -
Ringdahl, Ola; Hellström, Thomas
Follow The Past: a Path Tracking Algorithm for Autonomous Forest Vehicles
Report / UMINF, 11
Hellström, Thomas; Ringdahl, Ola
Path Tracking and Obstacle Avoidance for Forest Machines
UMNAD, 454/03
Ringdahl, Ola
View publications in DiVA

Research groups

Group member
Intelligent Robotics

Research projects

23 April 2018 until 31 December 2021
PRECISION
1 November 2016 until 30 October 2020
SOCRATES
1 January 2015 until 31 December 2018
SWEEPER
1 October 2010 until 30 September 2014
CROPS
1 January 2002 until 31 December 2011
Intelligent forest machines