PolyU's OmniColor unifies multi-signal lineart colorization in an ECCV 2026 paper

jiqizhixin · x · 2026-09-05

Hong Kong Polytechnic University and Sichuan University present OmniColor, an ECCV 2026 framework for unified multi-modal lineart colorization. Animators juggle conflicting signals — text descriptions, sparse color scribbles, character reference sheets, recent frames — and existing methods handle at most one or two. OmniColor splits inputs into spatially-aligned conditions (lineart, color hints, frames) needing pixel-level precision and semantic reference conditions (text, character images), each with its own encoding strategy, training objective and redundancy elimination, combined via an adaptive gating module to support any combination of control signals.

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