反向扩散过程、去噪过程、图片生成过程、Sampling 单轮去噪过程、单轮U-Net过程、单轮反向扩散过程 开源的Stable Diffusion 目前AI绘画最火的当属Midjorney和Stable Diffusion,但是由于Midjourney没有开源,因此我们主要分享下Stable Diffusion,后面我们会补充介绍下Midjourney。 公开资料显示,Stable Diffusion是StabilityAI公司...
我这里采用的是baidu 飞浆 AI进行使用讲解。我们先进入 stable diffsuion 的应用页：...
To en- able this, we extract dense optical flow maps at 2fps using the OpenCV [46] implementation of the Farneba¨ck algorithm [22]. To further keep storage size tractable we spatially downscale the flow maps such that the shortest side is at 16px resolution. By ave...
Algorithm 1 Correlation and Noisy Feature Refinements Inputs: I: reference image, I∗I∗: translated image P: target text prompt, P∅P∅: empty text prompt τ: DDIM inversion’s initial sampling timestep CR: correlations refinement NFR: noisy features refinement γ: CR thresholds L: nu...
The algorithm used for fitting curve parameters to data points was trusting region reflective [8], with the maximum number of iterations set at 1000, and a termination tolerance on the function value and the contrast, c, of 10−11 [9]. Initial values for curve parameters were drawn from ...
"Determines how little respect the algorithm should have for image's content. At 0, nothing will change, and at 1 you'll get an unrelated image. With values below 1.0, processing will take less steps than the Sampling Steps slider specifies.": "Quanto o algoritmo deve manter da imagem ori...
Sampling method: The algorithm for the denoising process. I useDPM++ 2M Karrasbecause it balances speed and quality well. Seethis sectionfor more details. You may want toavoid any ancestral samplers(The ones with ana) because their images are unstable even at large sampling steps. This made ...
C,H,W],diffX refers to width x1 = F.pad(x1, [diffX // 2, diffX - diffX // ...
3.1.3 随机微分方程DiffFlow 在 [71] 中作为一种新的生成建模方法被引入，它结合了归一化流和扩散...