IOPaint/iopaint/model/helper/controlnet_preprocess.py
2024-01-10 21:32:05 +08:00

45 lines
1.4 KiB
Python

import torch
import PIL
import cv2
from PIL import Image
import numpy as np
def make_canny_control_image(image: np.ndarray) -> Image:
canny_image = cv2.Canny(image, 100, 200)
canny_image = canny_image[:, :, None]
canny_image = np.concatenate([canny_image, canny_image, canny_image], axis=2)
canny_image = PIL.Image.fromarray(canny_image)
control_image = canny_image
return control_image
def make_openpose_control_image(image: np.ndarray) -> Image:
from controlnet_aux import OpenposeDetector
processor = OpenposeDetector.from_pretrained("lllyasviel/ControlNet")
control_image = processor(image, hand_and_face=True)
return control_image
def make_depth_control_image(image: np.ndarray) -> Image:
from controlnet_aux import MidasDetector
midas = MidasDetector.from_pretrained("lllyasviel/Annotators")
depth_image = midas(image)
depth_image = depth_image[:, :, None]
depth_image = np.concatenate([depth_image, depth_image, depth_image], axis=2)
control_image = PIL.Image.fromarray(depth_image)
return control_image
def make_inpaint_control_image(image: np.ndarray, mask: np.ndarray) -> torch.Tensor:
"""
image: [H, W, C] RGB
mask: [H, W, 1] 255 means area to repaint
"""
image = image.astype(np.float32) / 255.0
image[mask[:, :, -1] > 128] = -1.0 # set as masked pixel
image = np.expand_dims(image, 0).transpose(0, 3, 1, 2)
image = torch.from_numpy(image)
return image