import gc import numpy as np import PIL.Image import torch from controlnet_aux import ( CannyDetector, ContentShuffleDetector, HEDdetector, LineartAnimeDetector, LineartDetector, MidasDetector, MLSDdetector, NormalBaeDetector, OpenposeDetector, PidiNetDetector, ) from controlnet_aux.util import HWC3 from cv_utils import resize_image from depth_estimator import DepthEstimator from image_segmentor import ImageSegmentor class Preprocessor: MODEL_ID = "lllyasviel/Annotators" def __init__(self): self.model = None self.name = "" def load(self, name: str) -> None: if name == self.name: return if name == "HED": self.model = HEDdetector.from_pretrained(self.MODEL_ID) elif name == "Midas": self.model = MidasDetector.from_pretrained(self.MODEL_ID) elif name == "MLSD": self.model = MLSDdetector.from_pretrained(self.MODEL_ID) elif name == "Openpose": self.model = OpenposeDetector.from_pretrained(self.MODEL_ID) elif name == "PidiNet": self.model = PidiNetDetector.from_pretrained(self.MODEL_ID) elif name == "NormalBae": self.model = NormalBaeDetector.from_pretrained(self.MODEL_ID) elif name == "Lineart": self.model = LineartDetector.from_pretrained(self.MODEL_ID) elif name == "LineartAnime": self.model = LineartAnimeDetector.from_pretrained(self.MODEL_ID) elif name == "Canny": self.model = CannyDetector() elif name == "ContentShuffle": self.model = ContentShuffleDetector() elif name == "DPT": self.model = DepthEstimator() elif name == "UPerNet": self.model = ImageSegmentor() else: raise ValueError if torch.cuda.is_available(): torch.cuda.empty_cache() gc.collect() self.name = name def __call__(self, image: PIL.Image.Image, **kwargs) -> PIL.Image.Image: if self.name == "Canny": if "detect_resolution" in kwargs: detect_resolution = kwargs.pop("detect_resolution") image = np.array(image) image = HWC3(image) image = resize_image(image, resolution=detect_resolution) image = self.model(image, **kwargs) return PIL.Image.fromarray(image) elif self.name == "Midas": detect_resolution = kwargs.pop("detect_resolution", 512) image_resolution = kwargs.pop("image_resolution", 512) image = np.array(image) image = HWC3(image) image = resize_image(image, resolution=detect_resolution) image = self.model(image, **kwargs) image = HWC3(image) image = resize_image(image, resolution=image_resolution) return PIL.Image.fromarray(image) else: return self.model(image, **kwargs)