| --- |
| license: mit |
| dataset_info: |
| features: |
| - name: image |
| dtype: |
| array3_d: |
| shape: |
| - 512 |
| - 512 |
| - 3 |
| dtype: uint8 |
| - name: filename |
| dtype: string |
| splits: |
| - name: train |
| num_bytes: 34195458528 |
| num_examples: 18614 |
| download_size: 6667979906 |
| dataset_size: 34195458528 |
| configs: |
| - config_name: default |
| data_files: |
| - split: train |
| path: data/train-* |
| --- |
| ``` |
| from datasets import load_dataset |
| from PIL import Image |
| import numpy as np |
| import os |
| from tqdm import tqdm |
| |
| # 加载数据集 |
| dataset_path = "path_to/style_fonts_img" |
| dataset = load_dataset(dataset_path) |
| |
| # 创建保存目录 |
| save_dir = os.path.join(dataset_path, "extracted_images") |
| os.makedirs(save_dir, exist_ok=True) |
| |
| # 获取数据集大小 |
| total_samples = len(dataset['train']) |
| print(f"数据集共有 {total_samples} 个样本") |
| |
| # 使用tqdm创建进度条 |
| for i, example in tqdm(enumerate(dataset['train']), total=total_samples, desc="处理图像"): |
| try: |
| # 获取图像数据 |
| image_array = example['image'] |
| |
| # 转换为PIL图像 |
| image = Image.fromarray(np.uint8(image_array)) |
| |
| # 获取文件名 |
| filename = example['filename'] |
| |
| # 保存图像 |
| image_path = os.path.join(save_dir, filename) |
| image.save(image_path) |
| |
| # 保存文本 |
| if 'text' in example and example['text']: |
| text_filename = os.path.splitext(filename)[0] + '.txt' |
| text_path = os.path.join(text_dir, text_filename) |
| with open(text_path, 'w', encoding='utf-8') as f: |
| f.write(example['text']) |
| |
| # print(f"已保存 {filename}") |
| |
| # 只处理前10个样本(可选) |
| if i >= 9: |
| break |
| |
| except Exception as e: |
| print(f"处理样本 {i} 时出错: {e}") |
| |
| print("处理完成!") |
| ``` |