activity
20232026
collaborators

11 papers

cs.CV2026

A Scene Language Model for Open-Vocabulary Scene Mapping

Adam Lilja, Fabio Hübel, Siming He +6

Open-vocabulary 3D scene mapping aims to build a persistent representation of the objects in an environment. Existing systems typically rely on engineered mapping pipelines to asso…

cs.CV2026

SD-RouteFusion: Ego-Trajectory Prediction with SD-Map Route Conditioning

Sviatoslav Voloshyn, Bruno K. W. Martens, Wangxin Liu +2

This paper presents SD-RouteFusion, a deployable end-to-end ego-trajectory prediction method that fuses a front-facing camera, vehicle kinematics, and a navigation route derived fr…

cs.CV2026

Beyond Chamfer Distance: Granular Order-aware Evaluation Metric For Online Mapping

Chouaib Bencheikh Lehocine, Adam Lilja, Junsheng Fu +1

Online map estimation is a crucial component of autonomous driving systems that reduces the reliance on costly high-definition maps. State-of-the-art (SOTA) methods commonly predic…

cs.RO2026

BF-Map: Crowd-sourced Mapping with Bayesian B-spline Fusion

Yiping Xie, Yuxuan Xia, Erik Stenborg +5

Crowd-sourced mapping offers a scalable alternative to creating maps using traditional survey vehicles. Yet, existing methods either rely on prior high-definition (HD) maps or negl…

cs.CV2025

QueryOcc: Query-based Self-Supervision for 3D Semantic Occupancy

Adam Lilja, Ji Lan, Junsheng Fu +1

Learning 3D scene geometry and semantics from images is a core challenge in computer vision and a key capability for autonomous driving. Since large-scale 3D annotation is prohibit…

cs.CV2025

Driving with Context: Online Map Matching for Complex Roads Using Lane Markings and Scenario Recognition

Xin Bi, Zhichao Li, Yuxuan Xia +4

Accurate online map matching is fundamental to vehicle navigation and the activation of intelligent driving functions. Current online map matching methods are prone to errors in co…

cs.CV2025

GASP: Unifying Geometric and Semantic Self-Supervised Pre-training for Autonomous Driving

William Ljungbergh, Adam Lilja, Adam Tonderski. Arvid Laveno Ling +6

Self-supervised pre-training based on next-token prediction has enabled large language models to capture the underlying structure of text, and has led to unprecedented performance…

cs.CV2024

Exploring Semi-Supervised Learning for Online Mapping

Adam Lilja, Erik Wallin, Junsheng Fu +1

The ability to generate online maps using only onboard sensory information is crucial for enabling autonomous driving beyond well-mapped areas. Training models for this task -- pre…

eess.SP2024

Towards Accurate Ego-lane Identification with Early Time Series Classification

Yuchuan Jin, Theodor Stenhammar, David Bejmer +3

Accurate and timely determination of a vehicle's current lane within a map is a critical task in autonomous driving systems. This paper utilizes an Early Time Series Classification…

cs.RO2024

Bayesian Simultaneous Localization and Multi-Lane Tracking Using Onboard Sensors and a SD Map

Yuxuan Xia, Erik Stenborg, Junsheng Fu +1

High-definition map with accurate lane-level information is crucial for autonomous driving, but the creation of these maps is a resource-intensive process. To this end, we present…

cs.CV2023

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

Adam Lilja, Junsheng Fu, Erik Stenborg +1

The task of online mapping is to predict a local map using current sensor observations, e.g. from lidar and camera, without relying on a pre-built map. State-of-the-art methods are…