Lars Hammarstrand

Associate Professor at Signal Processing

Lars Hammarstrand is an Associate Professor in the Signal processing research group. His main research interests are in the intersection of machine learning and Bayesian inference, especially with application to (visual) localization and mapping, sensor fusion, nonlinear filtering, and object tracking.

Source: chalmers.se
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Showing 49 publications

2024

Localization Is All You Evaluate: Data Leakage in Online Mapping Datasets and How to Fix It

Adam Lilja, Junsheng Fu, Erik Stenborg et al
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition
Paper in proceeding
2024

Are NeRFs ready for autonomous driving? Towards closing the real-to-simulation gap

Carl Lindström, Georg Hess, Adam Lilja et al
IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops, p. 4461-4471
Paper in proceeding
2024

Improving Open-Set Semi-Supervised Learning with Self-Supervision

Erik Wallin, Lennart Svensson, Fredrik Kahl et al
Proceedings - 2024 IEEE Winter Conference on Applications of Computer Vision, WACV 2024, p. 2345-2354
Paper in proceeding
2022

Long-Term Visual Localization Revisited

Carl Toft, Will Maddern, Akihiko Torii et al
IEEE Transactions on Pattern Analysis and Machine Intelligence. Vol. 44 (4), p. 2074-2088
Journal article
2022

DoubleMatch: Improving Semi-Supervised Learning with Self-Supervision

Erik Wallin, Lennart Svensson, Fredrik Kahl et al
Proceedings - International Conference on Pattern Recognition. Vol. 2022-August, p. 2871-2877
Paper in proceeding
2021

Extended Object Tracking Using Sets of Trajectories with a PHD Filter

Jakob Sjudin, Martin Marcusson, Lennart Svensson et al
Proceedings of 2021 IEEE 24th International Conference on Information Fusion, FUSION 2021, p. 961-968
Paper in proceeding
2021

Back to the Feature: Learning Robust Camera Localization from Pixels to Pose

Paul-Edouard Sarlin, Ajaykumar Unagar, Mans Larsson et al
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, p. 3246-3256
Paper in proceeding
2020

Using Image Sequences for Long-Term Visual Localization

Erik Stenborg, Torsten Sattler, Lars Hammarstrand
Proceedings - 2020 International Conference on 3D Vision, 3DV 2020, p. 938-948
Paper in proceeding
2019

Fine-Grained Segmentation Networks: Self-Supervised Segmentation for Improved Long-Term Visual Localization

Måns Larsson, Erik Stenborg, Carl Toft et al
Proceedings of the IEEE International Conference on Computer Vision. Vol. 2019-October (October), p. 31-41
Paper in proceeding
2019

Radar communications for combating mutual interference of FMCW radars

Canan Aydogdu, Nil Garcia, Lars Hammarstrand et al
IEEE National Radar Conference - Proceedings
Paper in proceeding
2019

A cross-season correspondence dataset for robust semantic segmentation

Måns Larsson, Erik Stenborg, Lars Hammarstrand et al
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition. Vol. 2019-June, p. 9524-9534
Paper in proceeding
2018

Semantic Match Consistency for Long-Term Visual Localization

Carl Toft, Erik Stenborg, Lars Hammarstrand et al
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 11206 LNCS, p. 391-408
Paper in proceeding
2018

Long-term Visual Localization using Semantically Segmented Images

Erik Stenborg, Carl Toft, Lars Hammarstrand
Proceedings - IEEE International Conference on Robotics and Automation, p. 6484-6490
Paper in proceeding
2018

Benchmarking 6DOF Outdoor Visual Localization in Changing Conditions

Torsten Sattler, Will Maddern, Carl Toft et al
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, p. 8601-8610
Paper in proceeding
2017

Poisson Multi-Bernoulli Mapping Using Gibbs Sampling

Maryam Fatemi, Karl Granström, Lennart Svensson et al
IEEE Transactions on Signal Processing. Vol. 65 (11), p. 2814-2827
Journal article
2016

Variational Bayesian Expectation Maximization for Radar Map Estimation

Malin Lundgren, Lennart Svensson, Lars Hammarstrand
IEEE Transactions on Signal Processing. Vol. 64 (6), p. 1391-1404
Journal article
2016

Coordination of Cooperative Autonomous Vehicles: Toward safer and more efficient road transportation

Robert Hult, Gabriel Rodrigues de Campos, Erik M Steinmetz et al
IEEE Signal Processing Magazine. Vol. 33 (6), p. 74-84
Journal article
2016

Poisson Multi-Bernoulli Radar Mapping Using Gibbs Sampling

Maryam Fatemi, Karl Granström, Lennart Svensson et al
Preprint
2016

Driver-Gaze Zone Estimation Using Bayesian Filtering and Gaussian Processes

Malin Lundgren, Lars Hammarstrand, Tomas McKelvey
IEEE Transactions on Intelligent Transportation Systems. Vol. 17 (10), p. 2739-2750
Journal article
2016

Using a single band GNSS receiver to improve relative positioning in autonomous cars

Erik Stenborg, Lars Hammarstrand
IEEE Intelligent Vehicles Symposium, Proceedings. Vol. 2016-August, p. Art no 7535498, Pages 921-926
Paper in proceeding
2016

Long-range road geometry estimation using moving vehicles and road-side observations

Lars Hammarstrand, Maryam Fatemi, Angel Garcia et al
IEEE Transactions on Intelligent Transportation Systems. Vol. 17 (8), p. 2144-2158
Journal article
2015

Flipping a PhD course using movies from a MOOC

Lennart Svensson, Lars Hammarstrand, Christian Stöhr
Proceedings från 5:e Utvecklingskonferensen för Sveriges ingenjörsutbildningar, Uppsala, November 18-19, 2015. Vol. 5, p. 168-171
Paper in proceeding
2015

Variational Bayesian EM for SLAM

Maryam Fatemi, Lennart Svensson, Lars Hammarstrand et al
IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP), 2015, Cancun, Mexico, 13-16 Dec. 2015, p. 501-504
Paper in proceeding
2014

Bayesian Road Estimation Using Onboard Sensors

Angel Garcia, Lars Hammarstrand, Maryam Fatemi et al
IEEE Transactions on Intelligent Transportation Systems. Vol. 15 (4), p. 1-14
Journal article
2014

Vehicle self-localization using off-the-shelf sensors and a detailed map

Malin Lundgren, Erik Stenborg, Lennart Svensson et al
IEEE Intelligent Vehicles Symposium, Proceedings, p. 522-528
Paper in proceeding
2014

Road Geometry Estimation Using a Precise Clothoid Road Model and Observations of Moving Vehicles

Maryam Fatemi, Lars Hammarstrand, Lennart Svensson et al
17th International IEEE Conference on Intelligent Transportation Systems October 8-11, 2014, Qingdao, China, p. 238-244
Paper in proceeding
2013

A CPHD Filter for Tracking With Spawning Models

Malin Lundgren, Lennart Svensson, Lars Hammarstrand
IEEE Journal on Selected Topics in Signal Processing. Vol. 7 (3), p. 496-507
Journal article
2013

A Probabilistic Framework for Decision-Making in Collision Avoidance Systems

Mattias Brännström, Fredrik Sandblom, Lars Hammarstrand
IEEE Transactions on Intelligent Transportation Systems. Vol. 14 (2), p. 637-648
Journal article
2013

A CPHD filter for tracking with spawning models - including a FISST based derivation

Malin Lundgren, Lennart Svensson, Lars Hammarstrand
Report
2012

Multitarget Sensor Resolution Model and Joint Probabilistic Data Association

Daniel Svensson, Martin Ulmke, Lars Hammarstrand
IEEE Transactions on Aerospace and Electronic Systems. Vol. 48 (4), p. 3418-3434
Journal article
2012

A Study of MAP Estimation Techniques for Nonlinear Filtering

Maryam Fatemi, Lennart Svensson, Lars Hammarstrand et al
15th international conference on information fusion, July 09-12 2012, Singapore, p. 1058 - 1065
Paper in proceeding
2012

Adaptive Radar Sensor Model for Tracking Structured Extended Objects

Lars Hammarstrand, Malin Lundgren, Lennart Svensson
IEEE Transactions on Aerospace and Electronic Systems. Vol. 48 (3), p. 1975 - 1995
Journal article
2012

A cardinality preserving multitarget multi-Bernoulli RFS tracker

V.C. Ravindra, Lennart Svensson, Lars Hammarstrand et al
15th International Conference on Information Fusion, FUSION 2012. Singapore, 7 - 12 September 2012, p. 832-839
Paper in proceeding
2012

Extended Object Tracking using a Radar Resolution Model

Lars Hammarstrand, Fredrik Sandblom, Lennart Svensson et al
IEEE Transactions on Aerospace and Electronic Systems. Vol. 48 (3), p. 2371 - 2386
Journal article
2011

A New Vehicle Motion Model for Improved Predictions and Situation Assessment

Joakim Sörstedt, Lennart Svensson, Fredrik Sandblom et al
IEEE Transactions on Intelligent Transportation Systems. Vol. 12 (4), p. 1209 - 1219
Journal article
2010

Multitarget sensor resolution model for arbitrary target numbers

Daniel Svensson, Martin Ulmke, Lars Danielsson
Signal and Data Processing of Small Targets, Proc. of SPIE. Vol. 7698
Other conference contribution
2010

Joint probabilistic data association filter for partially unresolved target groups

Daniel Svensson, Martin Ulmke, Lars Danielsson
Proceedings of the 13th International Conference on Information Fusion
Paper in proceeding
2010

A holistic approach to the integration of safety applications: the INSAFES subproject within the European framework programme 6 integrating project PReVENT

A. Amditis, E. Bertolazzi, M. Bimpas et al
IEEE Transactions on Intelligent Transportation Systems. Vol. 11 (3), p. 554-566
Journal article
2010

Random Set Based Road mapping using Radar Measurements

C. Lundquist, Lars Danielsson, F. Gustafsson
Proceedings of the European Signal Processing Conference
Paper in proceeding
2010

Multi-Target Tracking with Partially Unresolved Measurements

Daniel Svensson, Martin Ulmke, Lars Danielsson
40th Jahrestagung der Gesellschaft fur Informatik e.V. (GI): Service Science - Neue Perspektiven fur die Informatik 40th Annual Conf. of the German Informatics Society (GI): Service Science - New Perspectives in Computer Science INFORMATIK 2010; Leipzig; Germany; 27 September 2010 through 1 October 2010. Vol. 2, p. 913-918
Other conference contribution
2010

Road intensity based mapping using radar measurements with a probability hypothesis density filter

C. Lundquist, Lars Hammarstrand, F. Gustafsson
IEEE Transactions on Signal Processing. Vol. 59 (4), p. 1397 - 1408
Journal article
2009

SEFS–Results on Sensor Data Fusion System Development

M. Ahrholdt, Fredrik Bengtsson, Lars Danielsson et al
16th ITS World Congress and Exhibition on Intelligent Transport Systems and Services, 2009, Stockholm
Paper in proceeding
2008

Tracking Theory for Preventive Safety Systems

Lars Danielsson
Licentiate thesis
2008

A Design Architecture For Sensor Data Fusion Systems With Application To Automotive Safety

Fredrik Bengtsson, Lars Danielsson
Proceedings of 15th World Congress on ITS
Paper in proceeding
2007

HMI principles for lateral safe applications

Lars Danielsson, H. Lind, E. Bekiaris et al
Universal Access in Human-Computer Interaction. Ambient Interaction, p. 330-338
Paper in proceeding
2007

INSAFES HCI principles for integrated ADAS applications

Lars Danielsson, H. Lind, S. Jonasson
Universal Access in Human-Computer Interaction. Ambient Interaction, p. 339-348
Paper in proceeding
2007

Tracking vehicles using radar detections

Joakim Gunnarsson, Lennart Svensson, Lars Danielsson et al
2007 IEEE Intelligent Vehicles Symposium, IV 2007; Istanbul; Turkey; 13 June 2007 through 15 June 2007, p. 296-302
Paper in proceeding
2006

Joint driver intention classification and tracking of vehicles

Joakim Gunnarsson, Lennart Svensson, Fredrik Bengtsson et al
Proc. Nonlinear Statistical Signal Processing Workshop, NSSPW
Paper in proceeding

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Showing 6 research projects

2023–2027

Deep MultiModal Learning for Automotive Applications

Selpi Selpi Data Science and AI 1
Lennart Svensson Signal Processing
Lars Hammarstrand Signal Processing
VINNOVA

2021–2024

Guaranteed Bounds for Vehicle Motion State Estimates for automated driving

Lars Hammarstrand Signal Processing
Mats Jonasson Vehicle Engineering and Autonomous Systems
Bengt J H Jacobson Vehicle Engineering and Autonomous Systems
Axel Ceder Signal Processing
VINNOVA

2020–2024

Robust and precise Semi-Supervised Learning schemes

Lars Hammarstrand Signal Processing
Erik Wallin Signal Processing
Lennart Svensson Signal Processing
Fredrik Kahl Computer vision and medical image analysis
Wallenberg AI, Autonomous Systems and Software Program

1 publication exists
2016–2019

COPPLAR CampusShuttle cooperative perception & planning platform

Christian Berger Software Engineering for People, Architecture, Requirements and Traceability
Lars Hammarstrand Signal Processing
VINNOVA

68 publications exist
2013–2016

Fordonspositionering och ruttprediktion

Tomas McKelvey Signal Processing
Lennart Svensson Signal Processing
Lars Hammarstrand Signal Processing
Erik Stenborg Signal Processing
VINNOVA

2013–2015

SICS - Safe Interaction, Connectivity and State v2

Tomas McKelvey Signal Processing
Malin Lundgren Signal Processing
Lars Hammarstrand Signal Processing
VINNOVA

There might be more projects where Lars Hammarstrand participates, but you have to be logged in as a Chalmers employee to see them.