delete as the new version is uploaded
Browse files- TTP_tile_preprocessor.py +0 -70
TTP_tile_preprocessor.py
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import cv2
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import numpy as np
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import torch
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from PIL import Image
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NODE_NAME = 'TTPlanet_Tile_Preprocessor'
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# 图像转换函数
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def pil2tensor(image: Image) -> torch.Tensor:
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return torch.from_numpy(np.array(image).astype(np.float32) / 255.0).unsqueeze(0)
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def tensor2pil(t_image: torch.Tensor) -> Image:
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return Image.fromarray(np.clip(255.0 * t_image.cpu().numpy().squeeze(), 0, 255).astype(np.uint8))
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class TTPlanet_Tile_Preprocessor:
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def __init__(self):
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pass
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"image": ("IMAGE",), # 输入的tensor图像
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"scale_factor": ("FLOAT", {"default": 2.0, "min": 1.0, "max": 8.0, "step": 0.1}), # 缩放因子
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},
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"optional": {}
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}
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RETURN_TYPES = ("IMAGE",)
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RETURN_NAMES = ("image_output",)
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FUNCTION = 'process_image'
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CATEGORY = 'TTP_TILE'
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def process_image(self, image, scale_factor):
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ret_images = []
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for i in image:
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# Convert tensor to PIL for processing
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_canvas = tensor2pil(torch.unsqueeze(i, 0)).convert('RGB')
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# Convert PIL to OpenCV format
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img_np = np.array(_canvas)[:, :, ::-1]
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# 获取原始尺寸
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height, width = img_np.shape[:2]
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# 计算新尺寸
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new_width = int(width / scale_factor)
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new_height = int(height / scale_factor)
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# 1. 使用cv2.INTER_AREA方法缩小图像
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resized_down = cv2.resize(img_np, (new_width, new_height), interpolation=cv2.INTER_AREA)
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# 2. 使用linear方法放大回原尺寸
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resized_img = cv2.resize(resized_down, (width, height), interpolation=cv2.INTER_CUBIC)
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# Convert OpenCV back to PIL and then to tensor
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pil_img = Image.fromarray(resized_img[:, :, ::-1])
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tensor_img = pil2tensor(pil_img)
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ret_images.append(tensor_img)
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return (torch.cat(ret_images, dim=0),)
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NODE_CLASS_MAPPINGS = {
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"Image Processing: TTPlanet_Tile_Preprocessor": TTPlanet_Tile_Preprocessor
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"Image Processing: TTPlanet_Tile_Preprocessor": "TTPlanet Tile Preprocessor"
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}
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