Article

Vintr, Tomas, Yan, Zhi, Eyisoy, Kerem, Kubis, Filip, Blaha, Jan, Ulrich, Jiri, Swaminathan, Chittaranjan, Molina Mellado, Sergio, Kucner, Tomasz, Magnusson, Martin, Cielniak, Grzegorz, Faigl, Jan, Duckett, Tom, Lilienthal, Achim and Krajnik, Tomas (2021) Natural criteria for comparison of pedestrian flow forecasting models. 2020 IEEE/RJS International Conference on Intelligent Robots and Systems (IROS) . pp. 11197-11204. ISSN 2153-0858

Krajnik, Tomas, Vintr, Tomas, Molina Mellado, Sergi, Pulido Fentanes, Jaime, Cielniak, Grzegorz, Martinez Mozos, Oscar, Broughton, George and Duckett, Tom (2019) Warped Hypertime Representations for Long-Term Autonomy of Mobile Robots. IEEE Robotics and Automation Letters, 4 (4). pp. 3310-3317. ISSN 2377-3766

Kusumam, Keerthy, Krajnik, Tomas, Pearson, Simon, Duckett, Tom and Cielniak, Grzegorz (2017) 3D-vision based detection, localization, and sizing of broccoli heads in the field. Journal of Field Robotics, 34 (8). pp. 1505-1518. ISSN 1556-4959

Lightbody, Peter, Hanheide, Marc and Krajnik, Tomas (2017) An efficient visual fiducial localisation system. Applied Computing Review, 17 (3). pp. 28-37. ISSN 1559-6915

Krajnik, Tomas, Pulido Fentanes, Jaime, Santos, Joao and Duckett, Tom (2017) FreMEn: Frequency map enhancement for long-term mobile robot autonomy in changing environments. IEEE Transactions on Robotics, 33 (4). pp. 964-977. ISSN 1552-3098

Krajnik, Tomas, Cristoforis, Pablo, Kusumam, Keerthy, Neubert, Peer and Duckett, Tom (2017) Image features for visual teach-and-repeat navigation in changing environments. Robotics and Autonomous Systems, 88 . pp. 127-141. ISSN 0921-8890

Santos, João Machado, Krajník, Tomáš and Duckett, Tom (2017) Spatio-temporal exploration strategies for long-term autonomy of mobile robots. Robotics and Autonomous Systems, 88 . pp. 116-126. ISSN 0921-8890

Saska, Martin, Baca, Tomas, Thomas, Justin, Chudoba, Jan, Preucil, Libor, Krajnik, Tomas, Faigl, Jan, Loianno, Giuseppe and Kumar, Vijay (2016) System for deployment of groups of unmanned micro aerial vehicles in GPS-denied environments using onboard visual relative localization. Autonomous Robots . pp. 1-26. ISSN 0929-5593

Santos, Joao Machado, Krajnik, Tomas, Pulido Fentanes, Jaime and Duckett, Tom (2016) Lifelong information-driven exploration to complete and refine 4-D spatio-temporal maps. IEEE Robotics and Automation Letters, 1 (2). pp. 684-691. ISSN 2377-3766

Arvin, Farshad, Emre Turgut, Ali, Krajnik, Tomas and Yue, Shigang (2016) Investigation of cue-based aggregation in static and dynamic environments with a mobile robot swarm. Adaptive Behavior, 24 (2). pp. 102-118. ISSN 1059-7123

Arvin, Farshad, Krajnik, Tomas, Turgut, Ali Emre and Yue, Shigang (2015) COS-Φ: artificial pheromone system for robotic swarms research. IEEE/RSJ International Conference on Intelligent Robots and Systems 2015 . ISSN 2153-0858

Krajnik, Tomas, Blazicek, Jan and Santos, Joao (2015) Visual road following using intrinsic images. European Conference on Mobile Robots (ECMR) . pp. 1-6. ISSN 9781467391634

Basit, Abdul, Qureshi, Waqar S., Dailey, Matthew N. and Krajník, Tomáš (2015) Joint localization of pursuit quadcopters and target using monocular cues. Journal of Intelligent & Robotic Systems, 78 (3-4). pp. 613-630. ISSN 0921-0296

Krajnik, Tomas, Matias, Nitsche, Faigl, Jan, Vanek, Petr, Saska, Martin, Preucil, Libor, Duckett, Tom and Marta, Mejail (2014) A practical multirobot localization system. Journal of Intelligent and Robotic Systems, 76 (3-4). pp. 539-562. ISSN 0921-0296

Saska, M., Vonasek, V., Krajnik, T. and Preucil, L. (2014) Coordination and navigation of heterogeneous MAV-UGV formations localized by a 'hawk-eye'-like approach under a model predictive control scheme. International Journal of Robotics Research, 33 (10). pp. 1393-1412. ISSN 1741-3176

Krajnik, Tomas, Šváb, Jan, Pedre, Sol, Cizek, Petr and Preucil, Libor (2014) FPGA-based module for SURF extraction. Machine Vision and Applications, 25 (3). pp. 787-800. ISSN 0932-8092

Saska, Martin, Krajnik, Tomas, Vonasek, Vojtech, Kasl, Zdenek, Spurny, Vojtech and Preucil, Libor (2013) Fault-tolerant formation driving mechanism designed for heterogeneous MAVs-UGVs groups. Journal of Intelligent and Robotic Systems . ISSN 0921-0296

Krajnik, Tomas, Faigl, Jan, Vonasek, Vojtech, Kosnar, Karel, Kulich, Miroslav and Preucil, Libor (2010) Simple yet stable bearing-only navigation. Journal of Field Robotics, 27 (5). pp. 511-533. ISSN 1556-4959

Book Section

Krajnik, Tomas, Santos, Joao, Seemann, Bianca and Duckett, Tom (2014) FROctomap: an efficient spatio-temporal environment representation. In: Advances in Autonomous Robotics Systems. Lecture Notes in Computer Science, 8717 . Springer International Publishing, pp. 281-282. ISBN 9783319104003

Nitsche, Matías, Pire, Taihú, Krajnik, Tomas, Kulich, Miroslav and Mejail, Marta (2014) Monte Carlo localization for teach-and-repeat feature-based navigation. In: Advances in Autonomous Robotics Systems. Lecture Notes in Computer Science, 8717 . Springer-Verlag, pp. 13-24. ISBN 9783319104003

Krajnik, Tomas, Vonasek, Vojtech, Fiser, Daniel and Faigl, Jan (2011) AR-Drone as a platform for robotic research and education. In: Research and Education in Robotics - EUROBOT 2011. Communications in Computer and Information Science, 161 . Springer Berlin Heidelberg, pp. 172-186. ISBN 9783642219740

Conference or Workshop contribution

Yan, Zhi, Sun, Li, Krajnik, Tomas, Duckett, Tom and Bellotto, Nicola (2023) Towards Long-term Autonomy: A Perspective from Robot Learning. In: AAAI Bridge Program “AI and Robotics”, 7 February 2023, Washington, DC, USA.

Vintr, Tomas, Molina Mellado, Sergi, Senanayake, Ransalu, Broughton, George, Yan, Zhi, Ulrich, Jiri, Kucner, Tomasz, Swaminathan, Chittaranjan, Majer, Filip, Stachova, Maria, Lilienthal, Achim and Krajnik, Tomas (2019) Time-varying Pedestrian Flow Models for Service Robots. In: European Conference on Mobile Robotics (ECMR 2019), 4th-6th September 2019, Prague.

Molina Mellado, Sergi, Cielniak, Grzegorz, Krajnik, Tomas and Duckett, Tom (2017) Modelling and predicting rhythmic flow patterns in dynamic environments. In: UK-RAS Network Conference, 12 December 2017, Bristol, UK.

Vintr, Tomas, Molina Mellado, Sergi, Cielniak, Grzegorz, Duckett, Tom and Krajnik, Tomas (2017) Spatiotemporal models for motion planning in human populated environments. In: Student Conference on Planning in Artificial Intelligence and Robotics (PAIR), 17 September 2017, Žilina, Slovakia.

Lightbody, Peter, Hanheide, Marc and Krajnik, Tomas (2017) A versatile high-performance visual fiducial marker detection system with scalable identity encoding. In: 32nd ACM Symposium on Applied Computing, 3-7 April 2017, Marrakech, Morocco.

Hanheide, Marc, Hebesberger, Denise and Krajnik, Tomas (2017) The when, where, and how: an adaptive robotic info-terminal for care home residents – a long-term study. In: Int. Conf. on Human-Robot Interaction (HRI), 6 - 9 March 2017, Vienna.

Kusumam, Keerthy, Krajnik, Tomas, Pearson, Simon, Cielniak, Grzegorz and Duckett, Tom (2016) Can you pick a broccoli? 3D-vision based detection and localisation of broccoli heads in the field. In: IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), 9-14 October 2016, Daejeon, Korea.

Pulido Fentanes, Jaime, Krajnik, Tomas, Hanheide, Marc and Duckett, Tom (2016) Persistent localization and life-long mapping in changing environments using the frequency map enhancement. In: IEEE/RSJ International Conference on Intelligent Robots ans Systems (IROS), 9 - 14 October 2016, Daejeon, Korea.

Jovan, Ferdian, Wyatt, Jeremy, Hawes, Nick and Krajnik, Tomas (2016) A Poisson-spectral model for modelling temporal patterns in human data observed by a robot. In: IEEE/RSJ International Conference on Intelligent Robots ans Systems (IROS), 9 - 14 October 2016, Daejeon, Korea.

Broughton, George, Krajnik, Tomas, Fernandez-carmona, Manuel, Cielniak, Grzegorz and Bellotto, Nicola (2016) RFID-based Object Localisation with a Mobile Robot to Assist the Elderly with Mild Cognitive Impairments. In: International Workshop on Intelligent Environments Supporting Healthcare and Well-being (WISHWell), 12-13 September 2016, London, UK.

Coppola, Claudio, Krajnik, Tomas, Duckett, Tom and Bellotto, Nicola (2016) Learning temporal context for activity recognition. In: European Conference on Artificial Intelligence (ECAI), 29 Aug - 2 Sept 2016, The Hague, Holland.

Kulich, Miroslav, Krajnik, Tomas, Preucil, Libor and Duckett, Tom (2016) To explore or to exploit? Learning humans' behaviour to maximize interactions with them. In: International Workshop on Modelling and Simulation for Autonomous Systems, 16 - 18 June 2016, Rome.

Santos, Joao, Krajnik, Tomas, Pulido Fentanes, Jaime and Duckett, Tom (2016) A 3D simulation environment with real dynamics: a tool for benchmarking mobile robot performance in long-term deployments. In: ICRA 2016 Workshop: AI for Long-term Autonomy, 16 May 2016, Stockholm, Sweeden.

Krajnik, Tomas, Pulido Fentanes, Jaime, Santos, Joao and Duckett, Tom (2016) Frequency map enhancement: introducing dynamics into static environment models. In: ICRA Workshop AI for Long-Term Autonomy, 16 May, 2016, Stockholm, Sweden.

Nitsche, Matias, Krajnik, Tomas, Cizek, Petr, Mejail, Marta and Duckett, Tom (2015) WhyCon: an efficient, marker-based localization system. In: IROS Workshop on Aerial Open-source Robotics, 28 September 2015, Hamburg.

Krajnik, Tomas, deCristoforis, Pablo, Nitsche, Matias, Kusumam, Keerthy and Duckett, Tom (2015) Image features and seasons revisited. In: European Conference on Mobile Robots 2015 (ECMR 15), University of Lincoln, Lincoln, UK, 2-4 September 2015.

Krajnik, Tomas, Santos, Joao and Duckett, Tom (2015) Life-long spatio-temporal exploration of dynamic environments. In: European Conference on Mobile Robots 2015 (ECMR 15), 2-4 September 2015, University of LIncoln, Lincoln, UK.

Krajnik, Tomas, Arvin, Farshad, Turgut, Ali Emre, Yue, Shigang and Duckett, Tom (2015) COSΦ: Vision-based artificial pheromone system for robotic swarms. In: IEEE International Conference on Robotics and Automation (ICRA 2015), 26 - 30 May 2015, Seattle, USA.

Krajnik, Tomas, Pulido Fentanes, Jaime, Santos, Joao, Kusumam, Keerthy and Duckett, Tom (2015) FreMEn: frequency map enhancement for long-term mobile robot autonomy in changing environments. In: ICRA 2015 Workshop on Visual Place Recognition in Changing Environments, 26 - 30 May, 2015, Seattle, USA.

Santos, Joao, Krajnik, Tomas, Pulido Fentanes, Jaime and Duckett, Tom (2015) Lifelong exploration of dynamic environments. In: IEEE International Conference on Robotics and Automation (ICRA), 26-30 May 2015, Seattle, USA.

Pulido Fentanes, Jaime, Lacerda, Bruno, Krajnik, Tomas, Hawes, Nick and Hanheide, Marc (2015) Now or later? Predicting and maximising success of navigation actions from long-term experience. In: 2015 IEEE International Conference on Robotics and Automation (ICRA 2015), 26-30 May 2015, Seattle, USA.

Krajnik, Tomas, Kulich, Miroslav, Mudrova, Lenka, Ambrus, Rares and Duckett, Tom (2015) Where's Waldo at time t? Using spatio-temporal models for mobile robot search. In: IEEE International Conference on Robotics and Automation (ICRA), May 26-30, 2015, Washington State Convention Center, Seattle, Washington.

Krajnik, Tomas, Pulido Fentanes, Jaime, Martinez Mozos, Oscar, Duckett, Tom, Ekekrantz, Johan and Hanheide, Marc (2014) Long-term topological localisation for service robots in dynamic environments using spectral maps. In: IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), September 14-18 2014, Chicago.

Duckett, Tom and Krajnik, Tomas (2014) A frequency-based approach to long-term robotic mapping. In: ICRA 2014 Workshop on Long Term Autonomy, June 1st 2014, Hong Kong.

Krajnik, Tomas, Pulido Fentanes, Jaime, Cielniak, Grzegorz, Dondrup, Christian and Duckett, Tom (2014) Spectral analysis for long-term robotic mapping. In: 2014 IEEE International Conference on Robotics and Automation (ICRA 2014), May 31 - June 7, 2014, Hong Kong, China.

Levi, P., Meister, E., van Rossum, AC., Krajnik, Tomas, Vonasek, V., Stepan, P., Liu, W. and Caparrelli, F. (2014) A cognitive architecture for modular and self-reconfigurable robots. In: 8th Annual IEEE Systems Conference (SysCon) 2014, 31 March - 3 April 2014, Ottawa, ON.

Krajnik, Tomas, Pedre, Sol and Preucil, Libor (2013) Monocular navigation for long-term autonomy. In: 16th International Conference on Advanced Robotics (ICAR), 2013, 25-29 Nov 2013, Montevideo.

Krajnik, Tomas, Nitsche, Matias, Faigl, Jan, Mejail, Marta, Preucil, Libor and Duckett, Tom (2013) External localization system for mobile robotics. In: 16th International Conference on Advanced Robotics (ICAR 2013), 25-29 November 2013, Montevideo, Uruguay.

Saska, Martin, Krajnik, Tomas, Vonasek, Vojtech, Vanek, Petr and Preucil, Libor (2013) Navigation, localization and stabilization of formations of unmanned aerial and ground vehicles. In: Unmanned Aircraft Systems (ICUAS), 2013 International Conference on, 28-31 May 2013, Atlanta, GA.

Faigl, Jan, Krajnik, Tomas, Chudoba, Jan, Preucil, Libor and Saska, Martin (2013) Low-cost embedded system for relative localization in robotic swarms. In: Robotics and Automation (ICRA), 2013 IEEE International Conference on, 6-10 May 2013, Karlsruhe.

Duckett, Tom, Hanheide, Marc, Krajnik, Tomas, Pulido Fentanes, Jaime and Dondrup, Christian (2013) Spatio-temporal representation for cognitive control in long-term scenarios. In: International IEEE/EPSRC Workshop on Autonomous Cognitive Robotics, 27-28 March 2014, Stirling, UK.

Krajnik, Tomas, Nitsche, M., Pedre, S., Preucil, L. and Mejail, M.E. (2012) A simple visual navigation system for an UAV. In: 9th International Multi-Conference on Systems, Signals and Devices (SSD), 20-23 March 2012, Chemnitz, Germany.

Saska, Martin, Krajnik, Tomas and Preucil, Libor (2012) Cooperative μUAV-UGV autonomous indoor surveillance. In: 9th International Multi-Conference on Systems, Signals and Devices (SSD), 20-23 March 2012, Chemnitz, Germany.

Svab, Jan, Krajnik, Tomas, Faigl, Jan and Preucil, Libor (2009) FPGA based speeded up robust features. In: IEEE International Conference on Technologies for Practical Robot Applications (TePRA 2009), 9-10 November 2009, Woburn, MA, USA.

Thesis

Machado dos Santos, Joao Pedro (2017) Lifelong information-driven exploration for mobile robots to complete and Refine spatio-temporal maps in changing environments. PhD thesis, University of Lincoln.

Video

Krajnik, Tomas, Pulido Fentanes, Jaime, Martinez Mozos, Oscar, Ekekrantz, Johan, Hanheide, Marc and Duckett, Tom (2015) Long-term mobile robot localization in dynamic environments using spectral maps. [Video]

Dataset

Krajnik, Tomas, Pulido Fentanes, Jaime and Santos, Joao (2016) Long-term autonomy of mobile robots [Collected by Lincoln Centre for Autonomous Systems]. [Dataset]