replicate demo

README.md

@@ -7,7 +7,7 @@
 [Paper](https://arxiv.org/abs/2206.11253) | [Project Page](https://shangchenzhou.com/projects/CodeFormer/) | [Video](https://youtu.be/d3VDpkXlueI)
 
 <a href="https://colab.research.google.com/drive/1m52PNveE4PBhYrecj34cnpEeiHcC5LTb?usp=sharing"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="google colab logo"></a> ![visitors](https://visitor-badge.glitch.me/badge?page_id=sczhou/CodeFormer)
-
+[![Replicate](https://replicate.com/cjwbw/codeformer/badge)](https://replicate.com/cjwbw/codeformer)
 
 [Shangchen Zhou](https://shangchenzhou.com/), [Kelvin C.K. Chan](https://ckkelvinchan.github.io/), [Chongyi Li](https://li-chongyi.github.io/), [Chen Change Loy](https://www.mmlab-ntu.com/person/ccloy/) 
 

cog.yaml

@@ -0,0 +1,25 @@
+build:
+  gpu: true
+  cuda: "11.3"
+  python_version: "3.8"
+  system_packages:
+    - "libgl1-mesa-glx"
+    - "libglib2.0-0"
+  python_packages:
+    - "ipython==8.4.0"
+    - "future==0.18.2"
+    - "lmdb==1.3.0"
+    - "scikit-image==0.19.3"
+    - "torch==1.11.0 --extra-index-url=https://download.pytorch.org/whl/cu113"
+    - "torchvision==0.12.0 --extra-index-url=https://download.pytorch.org/whl/cu113"
+    - "scipy==1.9.0"
+    - "gdown==4.5.1"
+    - "pyyaml==6.0"
+    - "tb-nightly==2.11.0a20220906"
+    - "tqdm==4.64.1"
+    - "yapf==0.32.0"
+    - "lpips==0.1.4"
+    - "Pillow==9.2.0"
+    - "opencv-python==4.6.0.66"
+
+predict: "predict.py:Predictor"

predict.py

@@ -0,0 +1,188 @@
+"""
+download checkpoints to ./weights beforehand 
+python scripts/download_pretrained_models.py facelib
+python scripts/download_pretrained_models.py CodeFormer
+wget 'https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.1/RealESRGAN_x2plus.pth'
+"""
+
+import tempfile
+import cv2
+import torch
+from torchvision.transforms.functional import normalize
+from cog import BasePredictor, Input, Path
+
+from basicsr.utils import imwrite, img2tensor, tensor2img
+from basicsr.archs.rrdbnet_arch import RRDBNet
+from basicsr.utils.realesrgan_utils import RealESRGANer
+from basicsr.utils.registry import ARCH_REGISTRY
+from facelib.utils.face_restoration_helper import FaceRestoreHelper
+
+
+class Predictor(BasePredictor):
+    def setup(self):
+        """Load the model into memory to make running multiple predictions efficient"""
+        self.device = "cuda:0"
+        self.bg_upsampler = set_realesrgan()
+        self.net = ARCH_REGISTRY.get("CodeFormer")(
+            dim_embd=512,
+            codebook_size=1024,
+            n_head=8,
+            n_layers=9,
+            connect_list=["32", "64", "128", "256"],
+        ).to(self.device)
+        ckpt_path = "weights/CodeFormer/codeformer.pth"
+        checkpoint = torch.load(ckpt_path)[
+            "params_ema"
+        ]  # update file permission if cannot load
+        self.net.load_state_dict(checkpoint)
+        self.net.eval()
+
+    def predict(
+        self,
+        image: Path = Input(description="Input image"),
+        codeformer_fidelity: float = Input(
+            default=0.5,
+            ge=0,
+            le=1,
+            description="Balance the quality (lower number) and fidelity (higher number).",
+        ),
+        background_enhance: bool = Input(
+            description="Enhance background image with Real-ESRGAN", default=True
+        ),
+        face_upsample: bool = Input(
+            description="Upsample restored faces for high-resolution AI-created images",
+            default=True,
+        ),
+        upscale: int = Input(
+            description="The final upsampling scale of the image",
+            default=2,
+        ),
+    ) -> Path:
+        """Run a single prediction on the model"""
+
+        # take the default setting for the demo
+        has_aligned = False
+        only_center_face = False
+        draw_box = False
+        detection_model = "retinaface_resnet50"
+
+        self.face_helper = FaceRestoreHelper(
+            upscale,
+            face_size=512,
+            crop_ratio=(1, 1),
+            det_model=detection_model,
+            save_ext="png",
+            use_parse=True,
+            device=self.device,
+        )
+
+        bg_upsampler = self.bg_upsampler if background_enhance else None
+        face_upsampler = self.bg_upsampler if face_upsample else None
+
+        img = cv2.imread(str(image), cv2.IMREAD_COLOR)
+
+        if has_aligned:
+            # the input faces are already cropped and aligned
+            img = cv2.resize(img, (512, 512), interpolation=cv2.INTER_LINEAR)
+            self.face_helper.cropped_faces = [img]
+        else:
+            self.face_helper.read_image(img)
+            # get face landmarks for each face
+            num_det_faces = self.face_helper.get_face_landmarks_5(
+                only_center_face=only_center_face, resize=640, eye_dist_threshold=5
+            )
+            print(f"\tdetect {num_det_faces} faces")
+            # align and warp each face
+            self.face_helper.align_warp_face()
+
+        # face restoration for each cropped face
+        for idx, cropped_face in enumerate(self.face_helper.cropped_faces):
+            # prepare data
+            cropped_face_t = img2tensor(
+                cropped_face / 255.0, bgr2rgb=True, float32=True
+            )
+            normalize(cropped_face_t, (0.5, 0.5, 0.5), (0.5, 0.5, 0.5), inplace=True)
+            cropped_face_t = cropped_face_t.unsqueeze(0).to(self.device)
+
+            try:
+                with torch.no_grad():
+                    output = self.net(
+                        cropped_face_t, w=codeformer_fidelity, adain=True
+                    )[0]
+                    restored_face = tensor2img(output, rgb2bgr=True, min_max=(-1, 1))
+                del output
+                torch.cuda.empty_cache()
+            except Exception as error:
+                print(f"\tFailed inference for CodeFormer: {error}")
+                restored_face = tensor2img(
+                    cropped_face_t, rgb2bgr=True, min_max=(-1, 1)
+                )
+
+            restored_face = restored_face.astype("uint8")
+            self.face_helper.add_restored_face(restored_face)
+
+        # paste_back
+        if not has_aligned:
+            # upsample the background
+            if bg_upsampler is not None:
+                # Now only support RealESRGAN for upsampling background
+                bg_img = bg_upsampler.enhance(img, outscale=upscale)[0]
+            else:
+                bg_img = None
+            self.face_helper.get_inverse_affine(None)
+            # paste each restored face to the input image
+            if face_upsample and face_upsampler is not None:
+                restored_img = self.face_helper.paste_faces_to_input_image(
+                    upsample_img=bg_img,
+                    draw_box=draw_box,
+                    face_upsampler=face_upsampler,
+                )
+            else:
+                restored_img = self.face_helper.paste_faces_to_input_image(
+                    upsample_img=bg_img, draw_box=draw_box
+                )
+
+        # save restored img
+        out_path = Path(tempfile.mkdtemp()) / "output.png"
+
+        if not has_aligned and restored_img is not None:
+            imwrite(restored_img, str(out_path))
+
+        return out_path
+
+
+def imread(img_path):
+    img = cv2.imread(img_path)
+    img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
+    return img
+
+
+def set_realesrgan():
+    if not torch.cuda.is_available():  # CPU
+        import warnings
+
+        warnings.warn(
+            "The unoptimized RealESRGAN is slow on CPU. We do not use it. "
+            "If you really want to use it, please modify the corresponding codes.",
+            category=RuntimeWarning,
+        )
+        bg_upsampler = None
+    else:
+        model = RRDBNet(
+            num_in_ch=3,
+            num_out_ch=3,
+            num_feat=64,
+            num_block=23,
+            num_grow_ch=32,
+            scale=2,
+        )
+        bg_upsampler = RealESRGANer(
+            scale=2,
+            model_path="./weights/RealESRGAN_x2plus.pth",
+            model=model,
+            tile=400,
+            tile_pad=40,
+            pre_pad=0,
+            half=True,
+        )
+    return bg_upsampler