Author

Per-Erik Forssén

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Preprint Sep 2026

QuacamFM: Quaternion-Constrained Flow Matching for Camera Pose Estimation

Camera pose estimation from multi-view images remains a challenge in computer vision. Traditional methods often address this problem using Structure-from-Motion (SfM) with bundle adjustment. However, camera poses estimated from sparse views are inherently ambiguous due to insufficient geometric constraints. Recent work...

Bao-Long Tran, Cuong Le, T. Dehdarirad et al. · 0 citations

Preprint Sep 2026

Efficient Multi-Timescale Event Representations for Feed-Forward Object Detection

This work investigates how temporal information can be encoded directly within the event representation, proposing a confidence-normalized continuous multi-timescale representation based on logarithmic B-spline temporal encoding together with a geometry-aware local confidence mechanism that exploits the spatial structu...

Fredrik Lundell, Per-Erik Forssén, Mårten Wadenbäck et al. · 1 citation