self-condition:采样时将每次估计出的x_0也作为下次采样的条件输入。动机是传统DDPM流程中上一步的x_0被直接丢弃,当前步的去噪完全没有参考上一步的x_0。实现方式就是把上一步的x_0和当前的x_t直接concat,但只有50%概率做self-condition,另外50%概率将上一步的x_0直接置0输入。整体感觉是个实验trick,但验...
self condition中根据xt预测x0,再通过x0预测xt,这里的x0应该是x0,prev吧?应该算是x0之前的一个状态? 2024-01-26· 上海 回复喜欢 聆听 旋转那块降噪没看懂 2024-01-12· 河南 回复喜欢 愿乘风归去 生成的binder序列全是G,要怎么搞 2023-10-25· 上海 回复喜欢 赵氏璧 全是...
LDM(Latent Diffusion Models) 通过在模型架构中引入 cross-attention(交叉注意力层) 来实现多模态训练，使得 Diffusion model 可以更灵活地实现对 class-condition, text-to-image, layout-to-image 的支持。然而 cross-attention 层对比原始 Diffusion model 的 CNN 层增加了额外的计算开销，极大增加了训练成本。Colo...
Here, we introduce the self-consistent boundary condition for the truncated boundary into this calculation. This reduces the effect of the boundary on the results, showing that the self-consistent boundary condition is useful for calculations for analyzing optical topographic images.关键词:...
However, PDR directly handles the 3D point cloud and uses a complex Condition Feature Extraction subnet, which leads to huge network computation. Luo10 is the first work to apply DDPM to the problem of unconditional point cloud generation, where the goal is to generate realistic point clouds ...
launch_sampling(steps, lambda: self.func(self.model_wrap_cfg, x, extra_args=self.sampler_extra_args, disable=False, callback=self.callback_state, **extra_params_kwargs)) File "E:\sd-webui-aki\sd-webui-aki-v4\py310\lib\site-packages\torch\utils\_contextlib.py", line 115, in ...
在classifier-free guidance model 中,没有利用 classifier,而是同时训练了condition model 和 unconditional model,而且使用同一个网络来实现,只需要需要输入信息中的类别信息即可,在生成过程中,则通过调整两种模型的 score 的权重来在多样性(FID)和真实度(IS)中权衡取舍。
noise = self.noise_prediction_fn(x, t) File "/home/mindone/examples/stable_diffusion_v2/ldm/models/diffusion/dpm_solver/dpm_solver.py", line 481, in noise_prediction_fn return self.model(x, t) File "/home/mindone/examples/stable_diffusion_v2/ldm/models/diffusion/dpm_solver/dpm_solver....
Fig. 14. Self-diffusion coefficients of CO2 in UiO-66, UiO-67 and UiO-68 at 298 K. Show moreView article Related terms: Energy Engineering Computational Fluid Dynamics Turbulent Diffusion Diffusion Coefficient Boundary Condition Energy Equation Momentum Equation Advection Convective Fluid Viscosity View...
A velocity–diffusion method for a Lotka–Volterra system with nonlinear cross and self-diffusion The aim of this paper is to introduce a deterministic particle method for the solution of two strongly coupled reaction–diffusion equations. In these equa... G Gambino,MC Lombardo,M Sammartino - 《...