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new file: PreProcessing/README.md new file: PreProcessing/scripts/compare_manual_matrix17.py new file: PreProcessing/scripts/draw_matrix17.py modified: PreProcessing/scripts/process_characters.py new file: PreProcessing/scripts/run_preprocessing.py
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# PreProcessing 预处理
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这个目录包含17*17型特殊种类篆文字图像的预处理流程。日常批量处理请使用 `scripts/run_preprocessing.py`。
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## 脚本用法
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依赖见 `scripts/requirements.txt`。如果环境里还没有安装,可以先运行:
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```bash
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.venv/bin/pip install -r PreProcessing/scripts/requirements.txt
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```
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从项目根目录运行:
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```bash
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.venv/bin/python PreProcessing/scripts/run_preprocessing.py \
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--input-dir PreProcessing/original_characters \
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--cleaned-dir PreProcessing/out_cleaned \
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--matrix-dir PreProcessing/out_matrix
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```
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参数含义:
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- `--input-dir`:原始图像输入文件夹
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- `--cleaned-dir`:cleaned 二值图输出文件夹
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- `--matrix-dir`:17x17 矩阵文本输出文件夹
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输出命名会和输入文件名对齐:
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- cleaned 图像:`原文件名_cleaned.png`
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- 矩阵文本:`原文件名_matrix.txt`
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矩阵文本是纯 17 行,每行 17 个字符,只包含 `0` 和 `1`。
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## 可选调参
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默认参数会输出 17x17 矩阵。必要时可以追加这些参数:
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- `--grid-size`,默认 `17`
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- `--cell-samples`,默认 `32`
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- `--open-kernel-size`
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- `--close-kernel-size`
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- `--median-size`
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- `--min-component-area`
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- `--triangle-threshold`
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## 目录说明
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`comparisons/`、`manual_diffs/`、`manual_matrices/`、`processed_characters/`、`svg_characters/` 等测试和比较用目录已经在 `PreProcessing/.gitignore` 中忽略。
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