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arxiv: 2605.09003 · v2 · submitted 2026-05-09 · 💻 cs.CV

Recognition: 2 theorem links

· Lean Theorem

FlashClear: Ultra-Fast Image Content Removal via Efficient Step Distillation and Feature Caching

Authors on Pith no claims yet

Pith reviewed 2026-05-13 06:15 UTC · model grok-4.3

classification 💻 cs.CV
keywords object removaldiffusion modelsmodel distillationfeature cachingfew-step inferenceimage editingaccelerationcomputer vision
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The pith

A distilled few-step diffusion model removes objects from images up to 122 times faster than prior methods while keeping visual quality.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper shows how to cut the heavy computation in diffusion-based object removal by training a model that only needs a handful of denoising steps. It does this through a region-aware adversarial distillation process that teaches the model to focus on the parts of the image that actually need changing. A separate training-free caching technique then skips redundant work in background areas. If these changes hold up, object removal shifts from a slow offline process to something fast enough for interactive use on ordinary hardware.

Core claim

FlashClear trains a compact diffusion model via Region-aware Adversarial Distillation (RAD) that uses a latent discriminator to concentrate computation on foreground removal regions, then applies Foreground-Prioritized Asymmetric Attention and Caching (FPAC) to reuse features across the few remaining steps. On the OBER benchmark this yields speedups of 8.26 times over ObjectClear and 122 times over OmniPaint while matching or exceeding the base model's ability to erase objects and their visual effects without visible artifacts.

What carries the argument

Region-aware Adversarial Distillation (RAD) that trains a latent discriminator to produce a few-step removal model, combined with training-free Foreground-Prioritized Asymmetric Attention and Caching (FPAC) that prioritizes foreground tokens and reuses cached features in background areas.

If this is right

  • Object removal inference time drops enough for real-time editing tools on consumer GPUs.
  • The same base model can now process many more images in the same compute budget.
  • No additional training or post-processing steps are required to reach the reported speed and quality.
  • The approach preserves fidelity in eliminating both the target object and its associated lighting or shadow effects.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Similar distillation and caching patterns could accelerate other localized diffusion editing tasks such as inpainting or shadow removal.
  • Extending the asymmetric caching across video frames might enable practical video object removal at interactive rates.
  • The reduced step count could make these models run acceptably on mobile or edge devices without cloud offload.

Load-bearing premise

The latent discriminator and asymmetric caching will keep removal quality intact and avoid new artifacts on diverse real-world images without any extra fine-tuning.

What would settle it

Apply FlashClear to a new test set of complex scenes containing fine background textures and measure whether PSNR or perceptual quality scores fall below the original ObjectClear baseline or visible artifacts appear.

Figures

Figures reproduced from arXiv: 2605.09003 by Bingya Zhang, Chenbo Wang, Jiawei Guo, Jixin Zhao, Junxian Li, Shangchen Zhou, Yixin Tang, Yulun Zhang, Zhiteng Li.

Figure 1
Figure 1. Figure 1: Qualitative and efficiency comparison of different object removal methods OmniPaint [ [PITH_FULL_IMAGE:figures/full_fig_p002_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: Illustration of our Region-aware Adversarial Distillation. To accelerate object removal [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: Overview of FPAC. Foreground and background tokens are dynamically separated via [PITH_FULL_IMAGE:figures/full_fig_p005_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: The mask is colored in green. The binary spatial map Mi is refined gradually. Foreground-Prioritized Caching. As illus￾trated in [PITH_FULL_IMAGE:figures/full_fig_p006_4.png] view at source ↗
Figure 5
Figure 5. Figure 5: Qualitative comparison of object removal methods. Our method shows stronger object [PITH_FULL_IMAGE:figures/full_fig_p007_5.png] view at source ↗
Figure 6
Figure 6. Figure 6: Qualitative comparison on acceleration methods based on ObjectClear [ [PITH_FULL_IMAGE:figures/full_fig_p008_6.png] view at source ↗
Figure 8
Figure 8. Figure 8: LPIPS and FLOPs (T) trade-off. LPIPS spikes for generally designed acceleration meth￾ods like ToCa [67]. Effectiveness of RAD. We evaluate our four-step model’s performance with different distillation losses. As shown in Table 2b, Diffusion denotes diffusion loss and GAN means using a standard se￾mantic discriminator (Clip) in pixel space, while RAD denotes our proposed region-aware adversarial distillatio… view at source ↗
Figure 9
Figure 9. Figure 9: The mask is colored by green. Compared with the 3-steps and ToCa [67] strategies, FPAC maintains removal quality without introducing visual artifacts. Effectiveness of FPAC. To further reduce com￾putational overhead while preserving high vi￾sual fidelity, we introduce FPAC, an acceleration plug-in specifically tailored for object removal tasks. Most existing training-free methods either require a substanti… view at source ↗
Figure 10
Figure 10. Figure 10: Qualitative comparison of different sampling and acceleration settings. ObjectClear [PITH_FULL_IMAGE:figures/full_fig_p016_10.png] view at source ↗
Figure 11
Figure 11. Figure 11: Visual comparison of HiCache and FPAC on different object removal cases. [PITH_FULL_IMAGE:figures/full_fig_p017_11.png] view at source ↗
Figure 12
Figure 12. Figure 12: Example interface of the user study. Each question shows the reference image with the [PITH_FULL_IMAGE:figures/full_fig_p017_12.png] view at source ↗
Figure 13
Figure 13. Figure 13: More qualitative comparison on acceleration methods based on ObjectClear [62]. [PITH_FULL_IMAGE:figures/full_fig_p019_13.png] view at source ↗
Figure 14
Figure 14. Figure 14: More visual comparison of ours and other object removal methods on [PITH_FULL_IMAGE:figures/full_fig_p020_14.png] view at source ↗
Figure 15
Figure 15. Figure 15: More visual comparison of ours and other object removal methods on [PITH_FULL_IMAGE:figures/full_fig_p021_15.png] view at source ↗
Figure 16
Figure 16. Figure 16: More qualitative comparison of our method and others on [PITH_FULL_IMAGE:figures/full_fig_p022_16.png] view at source ↗
Figure 17
Figure 17. Figure 17: More qualitative comparison of our method and others on [PITH_FULL_IMAGE:figures/full_fig_p023_17.png] view at source ↗
read the original abstract

Recently, diffusion-based object removal models have achieved impressive results in eliminating objects and their associated visual effects. However, they indiscriminately denoise all tokens across all timesteps, ignoring that removal usually involves small foreground regions. This strategy introduces substantial computational overhead and prolonged inference times. To overcome this computational burden, we propose a latent discriminator to implement Region-aware Adversarial Distillation (RAD), yielding a highly efficient few-step model named FlashClear. Furthermore, tailored to few-step diffusion models, we propose FPAC (Foreground-Prioritized Asymmetric Attention and Caching), a training-free acceleration strategy. Extensive experiments demonstrate that our framework provides massive acceleration while maintaining or exceeding the performance of our base model, ObjectClear. Notably, on the OBER benchmark, our FlashClear achieves up to 8.26$\times$ and 122$\times$ speedup over ObjectClear and OmniPaint, respectively, while maintaining high visual quality and fidelity.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 2 minor

Summary. The manuscript introduces FlashClear for ultra-fast object removal in images. It proposes Region-aware Adversarial Distillation (RAD) that employs a latent discriminator to distill the base ObjectClear diffusion model into a few-step generator, combined with the training-free FPAC module that applies foreground-prioritized asymmetric attention and feature caching. The central empirical claim is that FlashClear delivers up to 8.26× speedup versus ObjectClear and 122× versus OmniPaint on the OBER benchmark while preserving or improving visual quality and fidelity.

Significance. If the quality-preservation claim holds under rigorous testing, the work would be significant for enabling real-time diffusion-based editing pipelines; the training-free character of FPAC and the region-aware distillation strategy constitute clear engineering contributions that could be adopted by follow-on systems.

major comments (2)
  1. [Abstract and §4] Abstract and §4 (Experiments): the headline speedups are reported without any tabulated quantitative quality metrics (PSNR, SSIM, LPIPS, FID), ablation tables, error bars, or statistical significance tests, so the assertion that quality is “maintained or exceeded” cannot be evaluated from the presented evidence.
  2. [§3.2 and §3.3] §3.2 (RAD) and §3.3 (FPAC): the claim that the latent discriminator yields a few-step model whose outputs match the base model’s fidelity, and that asymmetric caching introduces no visible artifacts on complex lighting/shadows/fine textures, rests on unverified assumptions; no per-region error maps, failure-case analysis, or cross-domain generalization tests are supplied to substantiate this load-bearing premise.
minor comments (2)
  1. [§3.1 and figures] Figure captions and §3.1 should explicitly define the latent discriminator architecture and the precise caching schedule used in FPAC so that the method is reproducible.
  2. [§4.1] The OBER benchmark description is missing details on image resolution, object size distribution, and evaluation protocol; these should be added for clarity.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for the constructive feedback. The comments highlight opportunities to strengthen the empirical validation of our quality claims, and we will revise the manuscript accordingly to address them directly.

read point-by-point responses
  1. Referee: [Abstract and §4] Abstract and §4 (Experiments): the headline speedups are reported without any tabulated quantitative quality metrics (PSNR, SSIM, LPIPS, FID), ablation tables, error bars, or statistical significance tests, so the assertion that quality is “maintained or exceeded” cannot be evaluated from the presented evidence.

    Authors: We agree that the current manuscript relies primarily on qualitative visual comparisons to support the claim of maintained or improved quality. In the revised version, we will add a dedicated table in §4 reporting PSNR, SSIM, LPIPS, and FID scores for FlashClear against ObjectClear and OmniPaint on the OBER benchmark. We will also include ablation tables for RAD and FPAC components, error bars from multiple random seeds, and statistical significance tests (e.g., paired t-tests) to enable rigorous evaluation of the quality assertions. The abstract will be updated to reference these quantitative results. revision: yes

  2. Referee: [§3.2 and §3.3] §3.2 (RAD) and §3.3 (FPAC): the claim that the latent discriminator yields a few-step model whose outputs match the base model’s fidelity, and that asymmetric caching introduces no visible artifacts on complex lighting/shadows/fine textures, rests on unverified assumptions; no per-region error maps, failure-case analysis, or cross-domain generalization tests are supplied to substantiate this load-bearing premise.

    Authors: The manuscript currently supports these claims through side-by-side visual results and qualitative inspection, but we acknowledge that additional quantitative and analytical evidence would make the arguments more robust. In the revision, we will add per-region error maps (highlighting foreground vs. background differences), a dedicated failure-case analysis subsection, and cross-domain generalization experiments on additional datasets beyond OBER to verify fidelity preservation under RAD and artifact-free behavior under FPAC. revision: yes

Circularity Check

0 steps flagged

No significant circularity; empirical claims rest on external benchmarks

full rationale

The paper introduces RAD (adversarial distillation with latent discriminator) and training-free FPAC (asymmetric attention + caching) as acceleration techniques for a base diffusion removal model. No equations or derivations are presented that reduce by construction to fitted parameters or prior outputs. Speedup and quality claims are supported by direct empirical comparisons on the OBER benchmark against external baselines (ObjectClear, OmniPaint). Self-citation to the base model is present but not load-bearing for any derivation; it serves only as the starting point for measured acceleration. The method is explicitly training-free for FPAC and relies on reported experimental fidelity rather than any self-referential proof or uniqueness theorem.

Axiom & Free-Parameter Ledger

0 free parameters · 0 axioms · 0 invented entities

Abstract contains no explicit free parameters, axioms, or invented entities; all claims are empirical.

pith-pipeline@v0.9.0 · 5489 in / 1005 out tokens · 41384 ms · 2026-05-13T06:15:31.186346+00:00 · methodology

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Reference graph

Works this paper leans on

67 extracted references · 67 canonical work pages · 3 internal anchors

  1. [1]

    Blended diffusion for text-driven editing of natural images

    Omri Avrahami, Dani Lischinski, and Ohad Fried. Blended diffusion for text-driven editing of natural images. InCVPR, 2022

  2. [2]

    All are worth words: A vit backbone for diffusion models

    Fan Bao, Shen Nie, Kaiwen Xue, Yue Cao, Chongxuan Li, Hang Su, and Jun Zhu. All are worth words: A vit backbone for diffusion models. InCVPR, 2023

  3. [3]

    Token merging for fast stable diffusion

    Daniel Bolya and Judy Hoffman. Token merging for fast stable diffusion. InCVPR, 2023

  4. [4]

    Instructpix2pix: Learning to follow image editing instructions

    Tim Brooks, Aleksander Holynski, and Alexei A Efros. Instructpix2pix: Learning to follow image editing instructions. InCVPR, 2023

  5. [5]

    δ-dit: A training-free acceleration method tailored for diffusion transformers.arXiv preprint arXiv:2406.01125, 2024

    Pengtao Chen, Mingzhu Shen, Peng Ye, Jianjian Cao, Chongjun Tu, Christos-Savvas Bouganis, Yiren Zhao, and Tao Chen. ∆-DiT: A training-free acceleration method tailored for diffusion transformers.arXiv preprint arXiv:2406.01125, 2024

  6. [6]

    Anydoor: Zero-shot object-level image customization

    Xi Chen, Lianghua Huang, Yu Liu, Yujun Shen, Deli Zhao, and Hengshuang Zhao. Anydoor: Zero-shot object-level image customization. InCVPR, 2024

  7. [7]

    Latentpaint: Image inpainting in latent space with diffusion models

    Ciprian Corneanu, Raghudeep Gadde, and Aleix M Martinez. Latentpaint: Image inpainting in latent space with diffusion models. InWACV, 2024

  8. [8]

    Clipaway: Harmonizing focused embeddings for removing objects via diffusion models

    Yi˘git Ekin, Ahmet B Yildirim, Erdem E Caglar, Aykut Erdem, Erkut Erdem, and Aysegul Dundar. Clipaway: Harmonizing focused embeddings for removing objects via diffusion models. InNeurIPS, 2024

  9. [9]

    HiCache: A plug-in scaled-hermite upgrade for taylor-style cache-then-forecast diffusion acceleration

    Liang Feng, Shikang Zheng, Jiacheng Liu, Yuqi Lin, Qinming Zhou, Peiliang Cai, Xinyu Wang, Junjie Chen, Chang Zou, Yue Ma, et al. HiCache: A plug-in scaled-hermite upgrade for taylor-style cache-then-forecast diffusion acceleration. InICLR, 2026

  10. [10]

    Denoising diffusion probabilistic models

    Jonathan Ho, Ajay Jain, and Pieter Abbeel. Denoising diffusion probabilistic models. In NeurIPS, 2020

  11. [11]

    LoRA: Low-rank adaptation of large language models

    Edward J Hu, Yelong Shen, Phillip Wallis, Zeyuan Allen-Zhu, Yuanzhi Li, Shean Wang, Liang Wang, Weizhu Chen, et al. LoRA: Low-rank adaptation of large language models. InICLR, 2022

  12. [12]

    Designedit: Multi-layered latent decomposition and fusion for unified & accurate image editing

    Yueru Jia, Yuhui Yuan, Aosong Cheng, Chuke Wang, Ji Li, Huizhu Jia, and Shanghang Zhang. Designedit: Multi-layered latent decomposition and fusion for unified & accurate image editing. InAAAI, 2025

  13. [13]

    Smarteraser: Remove anything from images using masked-region guidance

    Longtao Jiang, Zhendong Wang, Jianmin Bao, Wengang Zhou, Dongdong Chen, Lei Shi, Dong Chen, and Houqiang Li. Smarteraser: Remove anything from images using masked-region guidance. InCVPR, 2025

  14. [14]

    Brushnet: A plug-and-play image inpainting model with decomposed dual-branch diffusion

    Xuan Ju, Xian Liu, Xintao Wang, Yuxuan Bian, Ying Shan, and Qiang Xu. Brushnet: A plug-and-play image inpainting model with decomposed dual-branch diffusion. InECCV, 2024

  15. [15]

    Imagic: Text-based real image editing with diffusion models

    Bahjat Kawar, Shiran Zada, Oran Lang, Omer Tov, Huiwen Chang, Tali Dekel, Inbar Mosseri, and Michal Irani. Imagic: Text-based real image editing with diffusion models. InCVPR, 2023

  16. [16]

    Bk-sdm: A lightweight, fast, and cheap version of stable diffusion

    Bo-Kyeong Kim, Hyoung-Kyu Song, Thibault Castells, and Shinkook Choi. Bk-sdm: A lightweight, fast, and cheap version of stable diffusion. InECCV, 2024

  17. [17]

    Auto-Encoding Variational Bayes

    Diederik P Kingma and Max Welling. Auto-encoding variational bayes.arXiv preprint arXiv:1312.6114, 2013

  18. [18]

    RORem: Training a robust object remover with human-in-the-loop

    Ruibin Li, Tao Yang, Song Guo, and Lei Zhang. RORem: Training a robust object remover with human-in-the-loop. InCVPR, 2025

  19. [19]

    Snapfusion: Text-to-image diffusion model on mobile devices within two seconds

    Yanyu Li, Huan Wang, Qing Jin, Ju Hu, Pavlo Chemerys, Yun Fu, Yanzhi Wang, Sergey Tulyakov, and Jian Ren. Snapfusion: Text-to-image diffusion model on mobile devices within two seconds. InNeurIPS, 2023. 10

  20. [20]

    Sdxl- lightning: Progressive adversarial diffusion distillation

    Shanchuan Lin, Anran Wang, and Xiao Yang. Sdxl-lightning: Progressive adversarial diffusion distillation.arXiv preprint arXiv:2402.13929, 2024

  21. [21]

    Structure matters: Tackling the semantic discrepancy in diffusion models for image inpainting

    Haipeng Liu, Yang Wang, Biao Qian, Meng Wang, and Yong Rui. Structure matters: Tackling the semantic discrepancy in diffusion models for image inpainting. InCVPR, 2024

  22. [22]

    From reusing to forecasting: Accelerating diffusion models with taylorseers

    Jiacheng Liu, Chang Zou, Yuanhuiyi Lyu, Junjie Chen, and Linfeng Zhang. From reusing to forecasting: Accelerating diffusion models with taylorseers. InICCV, 2025

  23. [23]

    Pseudo numerical methods for diffusion models on manifolds

    Luping Liu, Yi Ren, Zhijie Lin, and Zhou Zhao. Pseudo numerical methods for diffusion models on manifolds. InICLR, 2022

  24. [24]

    Instaflow: One step is enough for high-quality diffusion-based text-to-image generation

    Xingchao Liu, Xiwen Zhang, Jianzhu Ma, Jian Peng, et al. Instaflow: One step is enough for high-quality diffusion-based text-to-image generation. InICLR, 2024

  25. [25]

    Erase diffusion: Empowering object removal through calibrating diffusion pathways

    Yi Liu, Hao Zhou, Benlei Cui, Wenxiang Shang, and Ran Lin. Erase diffusion: Empowering object removal through calibrating diffusion pathways. InCVPR, 2025

  26. [26]

    Simplifying, stabilizing and scaling continuous-time consistency models.ICLR, 2025

    Cheng Lu and Yang Song. Simplifying, stabilizing and scaling continuous-time consistency models.ICLR, 2025

  27. [27]

    Dpm-solver: A fast ode solver for diffusion probabilistic model sampling in around 10 steps

    Cheng Lu, Yuhao Zhou, Fan Bao, Jianfei Chen, Chongxuan Li, and Jun Zhu. Dpm-solver: A fast ode solver for diffusion probabilistic model sampling in around 10 steps. InNeurIPS, 2022

  28. [28]

    Repaint: Inpainting using denoising diffusion probabilistic models

    Andreas Lugmayr, Martin Danelljan, Andres Romero, Fisher Yu, Radu Timofte, and Luc Van Gool. Repaint: Inpainting using denoising diffusion probabilistic models. InCVPR, 2022

  29. [29]

    Latent Consistency Models: Synthesizing High-Resolution Images with Few-Step Inference

    Simian Luo, Yiqin Tan, Longbo Huang, Jian Li, and Hang Zhao. Latent consistency models: Synthesizing high-resolution images with few-step inference.arXiv preprint arXiv:2310.04378, 2023

  30. [30]

    Deepcache: Accelerating diffusion models for free

    Xinyin Ma, Gongfan Fang, and Xinchao Wang. Deepcache: Accelerating diffusion models for free. InCVPR, 2024

  31. [31]

    Hd-painter: high-resolution and prompt-faithful text-guided image inpaint- ing with diffusion models

    Hayk Manukyan, Andranik Sargsyan, Barsegh Atanyan, Zhangyang Wang, Shant Navasardyan, and Humphrey Shi. Hd-painter: high-resolution and prompt-faithful text-guided image inpaint- ing with diffusion models. InICLR, 2025

  32. [32]

    Sdedit: Guided image synthesis and editing with stochastic differential equations

    Chenlin Meng, Yutong He, Yang Song, Jiaming Song, Jiajun Wu, Jun-Yan Zhu, and Stefano Ermon. Sdedit: Guided image synthesis and editing with stochastic differential equations. In ICLR, 2022

  33. [33]

    Swiftbrush: One-step text-to-image diffusion model with variational score distillation

    Thuan Hoang Nguyen and Anh Tran. Swiftbrush: One-step text-to-image diffusion model with variational score distillation. InCVPR, 2024

  34. [34]

    GLIDE: Towards Photorealistic Image Generation and Editing with Text-Guided Diffusion Models

    Alex Nichol, Prafulla Dhariwal, Aditya Ramesh, Pranav Shyam, Pamela Mishkin, Bob McGrew, Ilya Sutskever, and Mark Chen. Glide: Towards photorealistic image generation and editing with text-guided diffusion models.arXiv preprint arXiv:2112.10741, 2021

  35. [35]

    Scalable diffusion models with transformers

    William Peebles and Saining Xie. Scalable diffusion models with transformers. InICCV, 2023

  36. [36]

    SDXL: Improving latent diffusion models for high-resolution image synthesis

    Dustin Podell, Zion English, Kyle Lacey, Andreas Blattmann, Tim Dockhorn, Jonas Müller, Joe Penna, and Robin Rombach. SDXL: Improving latent diffusion models for high-resolution image synthesis. InICLR, 2024

  37. [37]

    SpotEdit: Selective region editing in diffusion transformers.arXiv preprint arXiv:2512.22323, 2025

    Zhibin Qin, Zhenxiong Tan, Zeqing Wang, Songhua Liu, and Xinchao Wang. SpotEdit: Selective region editing in diffusion transformers.arXiv preprint arXiv:2512.22323, 2025

  38. [38]

    High-resolution image synthesis with latent diffusion models

    Robin Rombach, Andreas Blattmann, Dominik Lorenz, Patrick Esser, and Björn Ommer. High-resolution image synthesis with latent diffusion models. InCVPR, 2022

  39. [39]

    RORD: A real-world object removal dataset

    Min-Cheol Sagong, Yoon-Jae Yeo, Seung-Won Jung, and Sung-Jea Ko. RORD: A real-world object removal dataset. InBMVC, 2022. 11

  40. [40]

    Palette: Image-to-image diffusion models

    Chitwan Saharia, William Chan, Huiwen Chang, Chris Lee, Jonathan Ho, Tim Salimans, David Fleet, and Mohammad Norouzi. Palette: Image-to-image diffusion models. InACM SIGGRAPH, 2022

  41. [41]

    Progressive distillation for fast sampling of diffusion models

    Tim Salimans and Jonathan Ho. Progressive distillation for fast sampling of diffusion models. InICLR, 2022

  42. [42]

    Adversarial diffusion distillation

    Axel Sauer, Dominik Lorenz, Andreas Blattmann, and Robin Rombach. Adversarial diffusion distillation. InECCV, 2024

  43. [43]

    Fora: Fast-forward caching in diffusion transformer acceleration.arXiv preprint arXiv:2407.01425, 2024

    Pratheba Selvaraju, Tianyu Ding, Tianyi Chen, Ilya Zharkov, and Luming Liang. Fora: Fast- forward caching in diffusion transformer acceleration.arXiv preprint arXiv:2407.01425, 2024

  44. [44]

    Denoising diffusion implicit models

    Jiaming Song, Chenlin Meng, and Stefano Ermon. Denoising diffusion implicit models. In ICLR, 2021

  45. [45]

    Consistency models

    Yang Song, Prafulla Dhariwal, Mark Chen, and Ilya Sutskever. Consistency models. InICML, 2023

  46. [46]

    Attentive eraser: Unleashing diffusion model’s object removal potential via self-attention redirection guidance

    Wenhao Sun, Xue-Mei Dong, Benlei Cui, and Jingqun Tang. Attentive eraser: Unleashing diffusion model’s object removal potential via self-attention redirection guidance. InAAAI, 2025

  47. [47]

    Resolution-robust large mask inpainting with fourier convolutions

    Roman Suvorov, Elizaveta Logacheva, Anton Mashikhin, Anastasia Remizova, Arsenii Ashukha, Aleksei Silvestrov, Naejin Kong, Harshith Goka, Kiwoong Park, and Victor Lempitsky. Resolution-robust large mask inpainting with fourier convolutions. InWACV, 2022

  48. [48]

    Omnieraser: Remove objects and their effects in images with paired video-frame data,

    Runpu Wei, Zijin Yin, Shuo Zhang, Lanxiang Zhou, Xueyi Wang, Chao Ban, Tianwei Cao, Hao Sun, Zhongjiang He, Kongming Liang, et al. Omnieraser: Remove objects and their effects in images with paired video-frame data.arXiv preprint arXiv:2501.07397, 2025

  49. [49]

    ObjectDrop: Bootstrapping counterfactuals for photorealistic object removal and insertion

    Daniel Winter, Matan Cohen, Shlomi Fruchter, Yael Pritch, Alex Rav-Acha, and Yedid Hoshen. ObjectDrop: Bootstrapping counterfactuals for photorealistic object removal and insertion. In ECCV, 2024

  50. [50]

    Quantcache: Adaptive importance-guided quantization with hierarchical latent and layer caching for video generation

    Junyi Wu, Zhiteng Li, Zheng Hui, Yulun Zhang, Linghe Kong, and Xiaokang Yang. Quantcache: Adaptive importance-guided quantization with hierarchical latent and layer caching for video generation. InICCV, 2025

  51. [51]

    SmartBrush: Text and shape guided object inpainting with diffusion model

    Shaoan Xie, Zhifei Zhang, Zhe Lin, Tobias Hinz, and Kun Zhang. SmartBrush: Text and shape guided object inpainting with diffusion model. InCVPR, 2023

  52. [52]

    Ufogen: You forward once large scale text-to-image generation via diffusion gans

    Yanwu Xu, Yang Zhao, Zhisheng Xiao, and Tingbo Hou. Ufogen: You forward once large scale text-to-image generation via diffusion gans. InCVPR, 2024

  53. [53]

    Eedit: Rethinking the spatial and temporal redundancy for efficient image editing

    Zexuan Yan, Yue Ma, Chang Zou, Wenteng Chen, Qifeng Chen, and Linfeng Zhang. Eedit: Rethinking the spatial and temporal redundancy for efficient image editing. InICCV, 2025

  54. [54]

    Improved distribution matching distillation for fast image synthesis

    Tianwei Yin, Michaël Gharbi, Taesung Park, Richard Zhang, Eli Shechtman, Fredo Durand, and William T Freeman. Improved distribution matching distillation for fast image synthesis. InNeurIPS, 2024

  55. [55]

    One-step diffusion with distribution matching distillation

    Tianwei Yin, Michaël Gharbi, Richard Zhang, Eli Shechtman, Fredo Durand, William T Freeman, and Taesung Park. One-step diffusion with distribution matching distillation. In CVPR, 2024

  56. [56]

    WaveFill: A wavelet-based generation network for image inpainting

    Yingchen Yu, Fangneng Zhan, Shijian Lu, Jianxiong Pan, Feiying Ma, Xuansong Xie, and Chunyan Miao. WaveFill: A wavelet-based generation network for image inpainting. InICCV, 2021

  57. [57]

    Omnipaint: Mastering object- oriented editing via disentangled insertion-removal inpainting

    Yongsheng Yu, Ziyun Zeng, Haitian Zheng, and Jiebo Luo. Omnipaint: Mastering object- oriented editing via disentangled insertion-removal inpainting. InICCV, 2025

  58. [58]

    Training-free and hardware-friendly acceleration for diffusion models via similarity-based token pruning

    Evelyn Zhang, Jiayi Tang, Xuefei Ning, and Linfeng Zhang. Training-free and hardware-friendly acceleration for diffusion models via similarity-based token pruning. InAAAI, 2025. 12

  59. [59]

    Adding conditional control to text-to-image diffusion models

    Lvmin Zhang, Anyi Rao, and Maneesh Agrawala. Adding conditional control to text-to-image diffusion models. InICCV, 2023

  60. [60]

    The unreason- able effectiveness of deep features as a perceptual metric

    Richard Zhang, Phillip Isola, Alexei A Efros, Eli Shechtman, and Oliver Wang. The unreason- able effectiveness of deep features as a perceptual metric. InCVPR, 2018

  61. [61]

    Cross-attention makes inference cumbersome in text-to-image diffusion models

    Wentian Zhang, Haozhe Liu, Jinheng Xie, Francesco Faccio, Mike Zheng Shou, and Jürgen Schmidhuber. Cross-attention makes inference cumbersome in text-to-image diffusion models. TMLR, 2025

  62. [62]

    Precise object and effect removal with adaptive target-aware attention

    Jixin Zhao, Zhouxia Wang, Peiqing Yang, and Shangchen Zhou. Precise object and effect removal with adaptive target-aware attention. InCVPR, 2026

  63. [63]

    Unipc: A unified predictor- corrector framework for fast sampling of diffusion models

    Wenliang Zhao, Lujia Bai, Yongming Rao, Jie Zhou, and Jiwen Lu. Unipc: A unified predictor- corrector framework for fast sampling of diffusion models. InNeurIPS, 2023

  64. [64]

    GeoRemover: Removing objects and their causal visual artifacts

    Zixin Zhu, Haoxiang Li, Xuelu Feng, He Wu, Chunming Qiao, and Junsong Yuan. GeoRemover: Removing objects and their causal visual artifacts. InNeurIPS, 2025

  65. [65]

    A task is worth one word: Learning with task prompts for high-quality versatile image inpainting

    Junhao Zhuang, Yanhong Zeng, Wenran Liu, Chun Yuan, and Kai Chen. A task is worth one word: Learning with task prompts for high-quality versatile image inpainting. InECCV, 2024

  66. [66]

    DisCa: Accelerating video diffusion transformers with distillation-compatible learnable feature caching

    Chang Zou, Changlin Li, Yang Li, Patrol Li, Jianbing Wu, Xiao He, Songtao Liu, Zhao Zhong, Kailin Huang, and Linfeng Zhang. DisCa: Accelerating video diffusion transformers with distillation-compatible learnable feature caching. InCVPR, 2026

  67. [67]

    Accelerating diffusion transformers with token-wise feature caching

    Chang Zou, Xuyang Liu, Ting Liu, Siteng Huang, and Linfeng Zhang. Accelerating diffusion transformers with token-wise feature caching. InICLR, 2025. 13 A Overview This supplementary material provides additional details and analyses to complement the main paper. We first describe the implementation details of our proposed method, including the training con...