第一个实验是通过 Observation Self-Guidance 对 \mathbf{y}_{ta} 进行预测,结果如下: Forecasting Using Observation Self-Guidance 当实验数据含有缺失值的情况下,作者也进行了 Forecasting 实验: Forecasting Using Observation Self-Guidance with Missing Values 第二个实验是通过四种不同的预测器,对预测器的预测...
DDPM出现后,OpenAI的人介入研究,发表了iDDPM,发现diffusion模型scale的很好(加大模型,加大数据集,表现明显提升),于是究极改进,终于在Diffusion-Beat-GANs这篇论文中在FID,IS这些分数上击败了当时比较好的GAN,并且提出了类别classifier-guidance来提高生成质量。后续有些工作把类别推广到text,image。但这类classifier-guidanc...
Classifier guidance 系数控制了遵循指导的程度。在上图中,右侧的采样比中间的采用有更高的Classifier guidance系数。在实践中,这个比值只是向带有该标签的数据漂移项的乘数。 7.2. Classifier-free guidance 尽管classifier guidance取得了创纪录的性能,但它仍需要一个额外的模型来提供这种指导。也就在训练过程中带来了些...
Official implementation of the paper "Improving Sample Quality of Diffusion Models Using Self-Attention Guidance" (ICCV 2023) - cvlab-kaist/Self-Attention-Guidance
ProxEdit: Improving Tuning-Free Real Image Editing With Proximal GuidanceWACV 20242023.06 Diffusion self-guidance for controllable image generationNeurIPS 20232023.06 Diffusion Brush: A Latent Diffusion Model-based Editing Tool for AI-generated ImagesarXiv 20232023.06 ...
非官方代码:classifier-free-diffusion-guidance-Pytorch unet 使用 resblock,每个block 都加入了类别 c 和时间 t 的 embedding,方式是直接与输入经过一次卷积后相加: 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 # unet.pyL110defforward(self,x:torch.Tensor,temb:torch.Tensor,cemb:torch.Tensor...
Moreover, PAG significantly enhances baseline performance in various downstream tasks where existing guidance methods such as CG or CFG cannot be fully utilized, including ControlNet with empty prompts and solving inverse problems such as inpainting and deblurring. To the best of our knowledge, this ...
6、Improving Sample Quality of Diffusion Models Using Self-Attention Guidance 去噪扩散模型(DDMs)因其出色的生成质量和多样性而备受关注。这一成功主要归功于使用类别或文本条件的扩散引导方法,例如分类器和无分类器引导。本文提出一个更全面的视角,超越传统的引导方法。
引入的Distribution Guidance与ADP能进行公平生成。 方法减少了单个/多个属性上的偏差,并且在无条件和文本条件下的扩散模型方面的基线效果明显优于过去的方法。此外,提出通过生成数据对训练集进行再平衡来训练公平属性分类器的下游任务。 4、Few-shot Learner Parameterization by Diffusion Time-steps 即使用大型多模态基础...
The work is entirely self-contained, and readers who wish to pursue related subjects of interest are invited to consult the rich bibliography for guidance.Bucur, Claudia; Valdinoci, Enrico 展开 关键词: Mathematics - Analysis of PDEs DOI: 10.1007/978-3-319-28739-3 被引量: 194 ...