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Joni Pajarinen

2 papers indexed

arxivcs.ROcs.CV2026-07-17

Embodied Active Learning under Limited Annotation and Navigation Budget for Object Detection

Hadrien Crassous, Mohamed Yassine Kabouri, Minahil Raza, Joni Pajarinen, Riad Akrour

This paper studies how to adapt a computer vision object detector to an unknown environment under both a robot navigation time and annotation budget constraint. Our approach selects informative robot trajectories and image samples to retrain the detector, explicitly targeting its…

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arxivcs.CV2026-07-09

HSA: Hierarchical Slot Attention for Multi-granularity Scene-Decomposition

Neelu Madan, Rongzhen Zhao, Andreas Mogelmose, Juho Kannala, Joni Pajarinen, Graham W. Taylor, et al.

Slot attention is a powerful framework for object-centric learning, decomposing visual scenes into latent slots through iterative competitive attention. However, existing methods share two critical limitations: they decompose scenes into a flat set of slots at a single granularit…

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