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相关论文: Classifier-free Guidance with Adaptive Scaling

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Text-to-image diffusion models are capable of generating high-quality images, but suboptimal pre-trained text representations often result in these images failing to align closely with the given text prompts. Classifier-free guidance (CFG)…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Zhenyu Zhou , Defang Chen , Can Wang , Chun Chen , Siwei Lyu

Classifier-free guidance (CFG) has become the standard method for enhancing the quality of conditional diffusion models. However, employing CFG requires either training an unconditional model alongside the main diffusion model or modifying…

机器学习 · 计算机科学 2025-06-04 Seyedmorteza Sadat , Manuel Kansy , Otmar Hilliges , Romann M. Weber

Classifier-Free Guidance (CFG) is a fundamental technique in training conditional diffusion models. The common practice for CFG-based training is to use a single network to learn both conditional and unconditional noise prediction, with a…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Prin Phunyaphibarn , Phillip Y. Lee , Jaihoon Kim , Minhyuk Sung

Classifier-free guidance (CFG) succeeds in condition diffusion models that use a guidance scale to balance the influence of conditional and unconditional terms. A high guidance scale is used to enhance the performance of the conditional…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Kaiyu Song , Hanjiang Lai

Classifier-free Guidance (CFG) is a widely used technique in modern diffusion models for enhancing sample quality and prompt adherence. However, through an empirical analysis on Gaussian mixture modeling with a closed-form solution, we…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Chubin Chen , Jiashu Zhu , Xiaokun Feng , Nisha Huang , Chen Zhu , Meiqi Wu , Fangyuan Mao , Jiahong Wu , Xiangxiang Chu , Xiu Li

With the rapid development of text-to-vision generation diffusion models, classifier-free guidance has emerged as the most prevalent method for conditioning. However, this approach inherently requires twice as many steps for model…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Huixuan Zhang , Junzhe Zhang , Xiaojun Wan

Classifier-free guidance (CFG) has emerged as a pivotal advancement in text-to-image latent diffusion models, establishing itself as a cornerstone technique for achieving high-quality image synthesis. However, under high guidance weights,…

机器学习 · 计算机科学 2025-06-26 Cheng Jin , Zhenyu Xiao , Chutao Liu , Yuantao Gu

Current sampling mechanisms for conditional diffusion models rely mainly on Classifier Free Guidance (CFG) to generate high-quality images. However, CFG requires several denoising passes in each time step, e.g., up to three passes in image…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Mehdi Noroozi , Alberto Gil Ramos , Luca Morreale , Ruchika Chavhan , Malcolm Chadwick , Abhinav Mehrotra , Sourav Bhattacharya

Classifier free guidance is a standard method for conditional sampling in diffusion models, but its sampling rule is not aligned with the objective used in training. This mismatch induces a structural sampling error through the interaction…

机器学习 · 计算机科学 2026-05-27 Nakgyu Yang , Yechan Lee , SooJean Han

Diffusion-based editing models have emerged as a powerful tool for semantic image and video manipulation. However, existing models lack a mechanism for smoothly controlling the intensity of text-guided edits. In standard text-conditioned…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Alon Wolf , Chen Katzir , Kfir Aberman , Or Patashnik

Classifier-free guidance (CFG) has become an essential component of modern diffusion models to enhance both generation quality and alignment with input conditions. However, CFG requires specific training procedures and is limited to…

图形学 · 计算机科学 2025-11-06 Javad Rajabi , Soroush Mehraban , Seyedmorteza Sadat , Babak Taati

Score-based generative models require guidance in order to generate plausible, on-manifold samples. The most popular guidance method, Classifier-Free Guidance (CFG), is only applicable in settings with labeled data and requires training an…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Eric Yeats , Darryl Hannan , Wilson Fearn , Timothy Doster , Henry Kvinge , Scott Mahan

Diffusion models have achieved remarkable success in synthesizing complex static and temporal visuals, a breakthrough largely driven by Classifier-Free Guidance (CFG). However, despite its pivotal role in aligning generated content with…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Haosen Li , Wenshuo Chen , Lei Wang , Shaofeng Liang , Bowen Tian , Soning Lai , Yutao Yue

Personalizing text-to-image diffusion models is crucial for adapting the pre-trained models to specific target concepts, enabling diverse image generation. However, fine-tuning with few images introduces an inherent trade-off between…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Sunghyun Park , Seokeon Choi , Hyoungwoo Park , Sungrack Yun

Guided or controlled data generation with diffusion models\blfootnote{Partial preliminary results of this work appeared in International Conference on Machine Learning 2025 \citep{li2025provable}.} has become a cornerstone of modern…

机器学习 · 统计学 2025-12-05 Yuchen Jiao , Yuxin Chen , Gen Li

Diffusion models have achieved remarkable progress in image and audio generation, largely due to Classifier-Free Guidance. However, the choice of guidance scale remains underexplored: a fixed scale often fails to generalize across prompts…

声音 · 计算机科学 2025-10-07 Xuanhao Zhang , Chang Li

Classifier-free guidance (CFG) is the primary control over how strongly text semantics move a flow-based sampler, yet standard practice holds its scale fixed across the entire ODE trajectory. This is a fundamental mismatch: early steps are…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Yan Luo , Ahmadou Aidara , Jingyi Lu , Jeremy Moebel , Kai Han , Mengyu Wang

Diffusion models (DMs) have demonstrated exceptional performance in text-to-image tasks, leading to their widespread use. With the introduction of classifier-free guidance (CFG), the quality of images generated by DMs is significantly…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Jiadong Pan , Liang Li , Hongcheng Gao , Zheng-Jun Zha , Qingming Huang , Jiebo Luo

The primary axes of interest in image-generating diffusion models are image quality, the amount of variation in the results, and how well the results align with a given condition, e.g., a class label or a text prompt. The popular…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Tero Karras , Miika Aittala , Tuomas Kynkäänniemi , Jaakko Lehtinen , Timo Aila , Samuli Laine

Classifier-free guidance (CFG) is the de facto standard for conditional sampling in diffusion models, yet it often reduces sample diversity. Using tools from statistical physics, we analyze the emergence of generative distortions induced by…

机器学习 · 统计学 2026-05-11 Enrico Ventura , Beatrice Achilli , Luca Ambrogioni , Carlo Lucibello