39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
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import os
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import glob
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def fix_label_class_id(label_dir, old_id=1, new_id=0):
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"""将指定目录下所有 .txt 文件中的类别 ID 替换"""
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txt_files = glob.glob(os.path.join(label_dir, "*.txt"))
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count = 0
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for file in txt_files:
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updated_lines = []
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changed = False
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with open(file, 'r', encoding='utf-8') as f:
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for line in f:
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parts = line.strip().split()
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if not parts:
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continue
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try:
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cls_id = int(parts[0])
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if cls_id == old_id:
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parts[0] = str(new_id)
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changed = True
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updated_lines.append(' '.join(parts))
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except ValueError:
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updated_lines.append(line.strip()) # 忽略非数字行
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if changed:
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with open(file, 'w', encoding='utf-8') as f:
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f.write('\n'.join(updated_lines) + '\n')
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print(f"✅ 修改: {os.path.basename(file)} ({old_id} → {new_id})")
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count += 1
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print(f"\n🎉 完成！共修改 {count} 个标注文件。")
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# ============ 配置 ============
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LABEL_DIR = "/home/hx/yolo/ultralytics_yolo11-main/dataset1/val" # 你的 YOLO 标签文件夹路径
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OLD_ID = 1
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NEW_ID = 0
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if __name__ == "__main__":
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fix_label_class_id(LABEL_DIR, OLD_ID, NEW_ID)
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