sd inpainting eval script and demo

scripts/demo/inpainting.py

@@ -114,20 +114,22 @@ def load_model_from_config(config, ckpt, verbose=False):
     return model
 
 
-if __name__ == "__main__":
+def run(
+        config="/fsx/stable-diffusion/stable-diffusion/configs/stable-diffusion/inpainting/v1-finetune-for-inpainting-laion-iaesthe.yaml",
+        #ckpt="/fsx/robin/stable-diffusion/stable-diffusion/logs/2022-07-28T07-44-05_v1-finetune-for-inpainting-laion-aesthetic-larger-masks/checkpoints/last.ckpt",
+        ckpt="/fsx/robin/stable-diffusion/stable-diffusion/logs/2022-08-01T08-52-14_v1-finetune-for-inpainting-laion-aesthetic-larger-masks-and-ucfg/checkpoints/last.ckpt",
+        ):
     st.title("Stable Inpainting")
     state = init()
 
     if not "model" in state:
-        config = "/fsx/stable-diffusion/stable-diffusion/configs/stable-diffusion/inpainting/v1-finetune-for-inpainting-laion-iaesthe.yaml"
-        ckpt = "/fsx/robin/stable-diffusion/stable-diffusion/logs/2022-07-24T16-01-27_v1-finetune-for-inpainting-laion-iaesthe/checkpoints/last.ckpt"
         config = OmegaConf.load(config)
         model = load_model_from_config(config, ckpt)
         state["model"] = model
 
     uploaded_file = st.file_uploader("Upload image to inpaint")
     if uploaded_file is not None:
-        image = Image.open(io.BytesIO(uploaded_file.getvalue()))
+        image = Image.open(io.BytesIO(uploaded_file.getvalue())).convert("RGB")
         width, height = image.size
         smaller = min(width, height)
         crop = (                    
@@ -206,3 +208,8 @@ if __name__ == "__main__":
                         )
                 st.text("Samples")
                 st.image(samples[0])
+
+
+if __name__ == "__main__":
+    import fire
+    fire.Fire(run)

scripts/inpaint_sd.py

@@ -0,0 +1,190 @@
+import argparse, os, sys, glob
+from omegaconf import OmegaConf
+from PIL import Image
+from tqdm import tqdm
+import numpy as np
+import torch
+from main import instantiate_from_config
+from ldm.models.diffusion.ddim import DDIMSampler
+
+
+def make_batch_ldm(image, mask, device):
+    image = np.array(Image.open(image).convert("RGB"))
+    image = image.astype(np.float32)/255.0
+    image = image[None].transpose(0,3,1,2)
+    image = torch.from_numpy(image)
+
+    mask = np.array(Image.open(mask).convert("L"))
+    mask = mask.astype(np.float32)/255.0
+    mask = mask[None,None]
+    mask[mask < 0.5] = 0
+    mask[mask >= 0.5] = 1
+    mask = torch.from_numpy(mask)
+
+    masked_image = (1-mask)*image
+
+    batch = {"image": image, "mask": mask, "masked_image": masked_image}
+    for k in batch:
+        batch[k] = batch[k].to(device=device)
+        batch[k] = batch[k]*2.0-1.0
+    return batch
+
+
+def make_batch_sd(
+        image,
+        mask,
+        txt,
+        device):
+    # image hwc in -1 1
+    image = np.array(Image.open(image).convert("RGB"))
+    image = image[None].transpose(0,3,1,2)
+    image = torch.from_numpy(image).to(dtype=torch.float32)/127.5-1.0
+
+    mask = np.array(Image.open(mask).convert("L"))
+    mask = mask.astype(np.float32)/255.0
+    mask = mask[None,None]
+    mask[mask < 0.5] = 0
+    mask[mask >= 0.5] = 1
+    mask = torch.from_numpy(mask)
+
+    masked_image = image * (mask < 0.5)
+
+    batch = {
+            "jpg": image.to(device=device),
+            "txt": [txt],
+            "mask": mask.to(device=device),
+            "masked_image": masked_image.to(device=device),
+            }
+    return batch
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument(
+        "--indir",
+        type=str,
+        nargs="?",
+        help="dir containing image-mask pairs (`example.png` and `example_mask.png`)",
+    )
+    parser.add_argument(
+        "--outdir",
+        type=str,
+        nargs="?",
+        help="dir to write results to",
+    )
+    parser.add_argument(
+        "--steps",
+        type=int,
+        default=50,
+        help="number of ddim sampling steps",
+    )
+    parser.add_argument(
+        "--eta",
+        type=float,
+        default=0.0,
+        help="eta of ddim",
+    )
+    parser.add_argument(
+        "--scale",
+        type=float,
+        default=6.0,
+        help="scale of unconditional guidance",
+    )
+    parser.add_argument(
+        "--worldsize",
+        type=int,
+        default=1,
+        help="scale of unconditional guidance",
+    )
+    parser.add_argument(
+        "--rank",
+        type=int,
+        default=0,
+        help="scale of unconditional guidance",
+    )
+    parser.add_argument(
+        "--ckpt",
+        type=str,
+        default="/fsx/robin/stable-diffusion/stable-diffusion/logs/2022-08-01T08-52-14_v1-finetune-for-inpainting-laion-aesthetic-larger-masks-and-ucfg/checkpoints/last.ckpt",
+        help="scale of unconditional guidance",
+    )
+    opt = parser.parse_args()
+
+    assert opt.rank < opt.worldsize
+
+    mstr = "mask000.png"
+    masks = sorted(glob.glob(os.path.join(opt.indir, f"*_{mstr}")))
+    images = [x.replace(f"_{mstr}", ".png") for x in masks]
+    print(f"Found {len(masks)} inputs.")
+
+    #config = "models/ldm/inpainting_big/config.yaml"
+    config="/fsx/stable-diffusion/stable-diffusion/configs/stable-diffusion/inpainting/v1-finetune-for-inpainting-laion-iaesthe.yaml"
+    config = OmegaConf.load(config)
+    model = instantiate_from_config(config.model)
+    #ckpt="models/ldm/inpainting_big/last.ckpt"
+    ckpt=opt.ckpt
+    model.load_state_dict(torch.load(ckpt)["state_dict"],
+                          strict=False)
+
+    device = torch.device("cuda") if torch.cuda.is_available() else torch.device("cpu")
+    model = model.to(device)
+    sampler = DDIMSampler(model)
+
+    indices = [i for i in range(len(images)) if i % opt.worldsize == opt.rank]
+    images = [images[i] for i in indices]
+    masks = [masks[i] for i in indices]
+
+    os.makedirs(opt.outdir, exist_ok=True)
+    with torch.no_grad():
+        with model.ema_scope():
+            for image, mask in tqdm(zip(images, masks), total=len(images)):
+                outpath = os.path.join(opt.outdir, os.path.split(image)[1])
+                #batch = make_batch_ldm(image, mask, device=device)
+
+                ##### unroll
+                batch = make_batch_sd(image, mask, txt="photograph of a beautiful empty scene, highest quality settings",
+                        device=device)
+
+                c = model.cond_stage_model.encode(batch["txt"])
+
+                c_cat = list()
+                for ck in model.concat_keys:
+                    cc = batch[ck].float()
+                    if ck != model.masked_image_key:
+                        bchw = (1, 4, 64, 64)
+                        cc = torch.nn.functional.interpolate(cc, size=bchw[-2:])
+                    else:
+                        cc = model.get_first_stage_encoding(model.encode_first_stage(cc))
+                    c_cat.append(cc)
+                c_cat = torch.cat(c_cat, dim=1)
+
+                # cond
+                cond={"c_concat": [c_cat], "c_crossattn": [c]}
+
+                # uncond cond
+                uc_cross = model.get_unconditional_conditioning(1, "")
+                uc_full = {"c_concat": [c_cat], "c_crossattn": [uc_cross]}
+
+                shape = (model.channels, model.image_size, model.image_size)
+                samples_cfg, intermediates = sampler.sample(
+                        opt.steps,
+                        1,
+                        shape,
+                        cond,
+                        verbose=False,
+                        eta=opt.eta,
+                        unconditional_guidance_scale=opt.scale,
+                        unconditional_conditioning=uc_full,
+                )
+                x_samples_ddim = model.decode_first_stage(samples_cfg)
+
+                image = torch.clamp((batch["jpg"]+1.0)/2.0,
+                                    min=0.0, max=1.0)
+                mask = torch.clamp((batch["mask"]+1.0)/2.0,
+                                   min=0.0, max=1.0)
+                predicted_image = torch.clamp((x_samples_ddim+1.0)/2.0,
+                                              min=0.0, max=1.0)
+
+                inpainted = (1-mask)*image+mask*predicted_image
+                inpainted = inpainted.cpu().numpy().transpose(0,2,3,1)[0]*255
+                Image.fromarray(inpainted.astype(np.uint8)).save(outpath)