From 72584ecbc98b6171e1e2e4193ef63fedb5a55b7b Mon Sep 17 00:00:00 2001 From: Francois Fleuret Date: Sun, 14 Aug 2022 15:59:51 +0200 Subject: [PATCH] Update. --- minidiffusion.py | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/minidiffusion.py b/minidiffusion.py index e1f6abd..841dd2a 100755 --- a/minidiffusion.py +++ b/minidiffusion.py @@ -207,8 +207,10 @@ print(f'nb_parameters {sum([ p.numel() for p in model.parameters() ])}') ###################################################################### # Generate -def generate(size, alpha, alpha_bar, sigma, model): +def generate(size, alpha, alpha_bar, sigma, model, train_mean, train_std): + with torch.no_grad(): + x = torch.randn(size, device = device) for t in range(T-1, -1, -1): @@ -269,7 +271,8 @@ if train_input.dim() == 2: if train_input.size(1) == 1: - x = generate((10000, 1), alpha, alpha_bar, sigma, model) + x = generate((10000, 1), alpha, alpha_bar, sigma, + model, train_mean, train_std) ax.set_xlim(-1.25, 1.25) ax.spines.right.set_visible(False) @@ -289,7 +292,8 @@ if train_input.dim() == 2: elif train_input.size(1) == 2: - x = generate((1000, 2), alpha, alpha_bar, sigma, model) + x = generate((1000, 2), alpha, alpha_bar, sigma, + model, train_mean, train_std) ax.set_xlim(-1.5, 1.5) ax.set_ylim(-1.5, 1.5) @@ -317,7 +321,8 @@ if train_input.dim() == 2: elif train_input.dim() == 4: - x = generate((128,) + train_input.size()[1:], alpha, alpha_bar, sigma, model) + x = generate((128,) + train_input.size()[1:], alpha, alpha_bar, sigma, + model, train_mean, train_std) x = 1 - x.clamp(min = 0, max = 255) / 255 torchvision.utils.save_image(x, f'diffusion_{args.data}.png', nrow = 16, pad_value = 0.8) -- 2.20.1