Author

Mantha Sai Gopal

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Jul 2026

REBASE: Reference-Background Subspace Elimination for Training-Free In-Context Segmentation

This paper identifies the low-rank background feature subspace from the reference image and project the reference and query features onto its orthogonal complement in closed form, yielding cleaner semantic matching, and establishes a new state of the art among training-free methods on PACO-Part, FSS-1000, and cross-dom...

Mantha Sai Gopal, J. Chacko, Harsh Nandwana et al. · arXiv.org · 0 citations