fix a bug with ddim and predict x0 objective

refresh images
2026-09-11 12:11:43 +08:00 · 2022-07-18 19:04:57 -07:00 · 2022-07-18 11:30:34 -07:00
5 changed files with 4 additions and 4 deletions
@@ -1,4 +1,4 @@
-<img src="./denoising-diffusion.png" width="500px"></img>
+<img src="./images/denoising-diffusion.png" width="500px"></img>
 ## Denoising Diffusion Probabilistic Model, in Pytorch
@@ -10,7 +10,7 @@ Youtube AI Educators - <a href="https://www.youtube.com/watch?v=W-O7AZNzbzQ">Yan
 <a href="https://huggingface.co/blog/annotated-diffusion">Annotated code</a> by Research Scientists / Engineers from <a href="https://huggingface.co/">🤗 Huggingface</a>
-<img src="./sample.png" width="500px"><img>
+<img src="./images/sample.png" width="500px"><img>
 [![PyPI version](https://badge.fury.io/py/denoising-diffusion-pytorch.svg)](https://badge.fury.io/py/denoising-diffusion-pytorch)
@@ -479,7 +479,7 @@ class GaussianDiffusion(nn.Module):
    def predict_noise_from_start(self, x_t, t, x0):
        return (
-            (x0 - extract(self.sqrt_recip_alphas_cumprod, t, x_t.shape) * x_t) / \
+            (extract(self.sqrt_recip_alphas_cumprod, t, x_t.shape) * x_t - x0) / \
            extract(self.sqrt_recipm1_alphas_cumprod, t, x_t.shape)
        )
@@ -3,7 +3,7 @@ from setuptools import setup, find_packages
 setup(
  name = 'denoising-diffusion-pytorch',
  packages = find_packages(),
-  version = '0.26.0',
+  version = '0.26.1',
  license='MIT',
  description = 'Denoising Diffusion Probabilistic Models - Pytorch',
  author = 'Phil Wang',
Author	SHA1	Message	Date
Phil Wang	37334ae824	fix a bug with ddim and predict x0 objective	2022-07-18 19:04:57 -07:00
Phil Wang	6eba6cdd50	refresh images	2022-07-18 11:30:34 -07:00