SPEED: Scalable, Precise, and Efficient Concept Erasure for Diffusion Models

Fuente: arXiv
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Autores principales: Li, Ouxiang, Wang, Yuan, Hu, Xinting, Jiang, Houcheng, Hao, Yanbin, Feng, Fuli
Formato: Preprint
Publicado: 2025
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author Li, Ouxiang
Wang, Yuan
Hu, Xinting
Jiang, Houcheng
Hao, Yanbin
Feng, Fuli
author_facet Li, Ouxiang
Wang, Yuan
Hu, Xinting
Jiang, Houcheng
Hao, Yanbin
Feng, Fuli
contents Erasing concepts from large-scale text-to-image (T2I) diffusion models has become increasingly crucial due to the growing concerns over copyright infringement, offensive content, and privacy violations. In scalable applications, fine-tuning-based methods are time-consuming to precisely erase multiple target concepts, while real-time editing-based methods often degrade the generation quality of non-target concepts due to conflicting optimization objectives. To address this dilemma, we introduce SPEED, an efficient concept erasure approach that directly edits model parameters. SPEED searches for a null space, a model editing space where parameter updates do not affect non-target concepts, to achieve scalable and precise erasure. To facilitate accurate null space optimization, we incorporate three complementary strategies: Influence-based Prior Filtering (IPF) to selectively retain the most affected non-target concepts, Directed Prior Augmentation (DPA) to enrich the filtered retain set with semantically consistent variations, and Invariant Equality Constraints (IEC) to preserve key invariants during the T2I generation process. Extensive evaluations across multiple concept erasure tasks demonstrate that SPEED consistently outperforms existing methods in non-target preservation while achieving efficient and high-fidelity concept erasure, successfully erasing 100 concepts within only 5 seconds. Our code and models are available at: https://github.com/Ouxiang-Li/SPEED.
format Preprint
id arxiv_https___arxiv_org_abs_2503_07392
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle SPEED: Scalable, Precise, and Efficient Concept Erasure for Diffusion Models
Li, Ouxiang
Wang, Yuan
Hu, Xinting
Jiang, Houcheng
Hao, Yanbin
Feng, Fuli
Computer Vision and Pattern Recognition
Erasing concepts from large-scale text-to-image (T2I) diffusion models has become increasingly crucial due to the growing concerns over copyright infringement, offensive content, and privacy violations. In scalable applications, fine-tuning-based methods are time-consuming to precisely erase multiple target concepts, while real-time editing-based methods often degrade the generation quality of non-target concepts due to conflicting optimization objectives. To address this dilemma, we introduce SPEED, an efficient concept erasure approach that directly edits model parameters. SPEED searches for a null space, a model editing space where parameter updates do not affect non-target concepts, to achieve scalable and precise erasure. To facilitate accurate null space optimization, we incorporate three complementary strategies: Influence-based Prior Filtering (IPF) to selectively retain the most affected non-target concepts, Directed Prior Augmentation (DPA) to enrich the filtered retain set with semantically consistent variations, and Invariant Equality Constraints (IEC) to preserve key invariants during the T2I generation process. Extensive evaluations across multiple concept erasure tasks demonstrate that SPEED consistently outperforms existing methods in non-target preservation while achieving efficient and high-fidelity concept erasure, successfully erasing 100 concepts within only 5 seconds. Our code and models are available at: https://github.com/Ouxiang-Li/SPEED.
title SPEED: Scalable, Precise, and Efficient Concept Erasure for Diffusion Models
topic Computer Vision and Pattern Recognition
url https://arxiv.org/abs/2503.07392