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arXiv · 2608.13478

MapRoute++: Surrogate-Guided Semantic Routing for Visual Concept Unlearning

Ashok Urlana·L. D. M. S. Sai Teja·Vivek Hruday Kavuri·Ponnurangam Kumaraguru
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Abstract

We present our submission to Task 3 of the Gen$\mu$ 2.0 Challenge on visual concept unlearning. Building on MapRoute, we introduce task-specific training objectives, richer concept representations, and semantic routing for concept-specific mapper selection. Our approach improves robust concept removal while preserving unrelated and semantically adjacent concepts. On the official benchmark, evaluated using the Erasing-Retention-Robustness (ERR) metric on Stable Diffusion v1.4, our method outperforms the state-of-the-art baseline by 12.1\% on average across the five concept categories, achieving substantial gains.

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Ashok Urlana, L. D. M. S. Sai Teja, Vivek Hruday Kavuri, Ponnurangam Kumaraguru. 2026-08-13. MapRoute++: Surrogate-Guided Semantic Routing for Visual Concept Unlearning. https://arxiv.org/abs/2608.13478

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