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metadata 
license: apache-2.0
library_name: transformers
pipeline_tag: token-classification
tags:
  - anime
  - filename-parsing
  - bert
  - token-classification
  - onnx
datasets:
  - ModerRAS/AnimeName
language:
  - en
  - ja
  - zh
model-index:
  - name: AniFileBERT
    results:
      - task:
          type: token-classification
          name: Anime filename token classification
        dataset:
          name: AniFileBERT fixed parser regression cases
          type: parser-regression
        metrics:
          - type: accuracy
            name: Fixed parser model-only full-match accuracy
            value: 0.9231
          - type: accuracy
            name: Fixed parser thin-runtime full-match accuracy
            value: 1

AniFileBERT

中文：AniFileBERT 是一个面向番剧发布文件名的轻量级 BERT token-classification 解析器。它把常见发布名解析为结构化字段：字幕组、标题、季、集数、分辨率、来源和 special tag。

English: AniFileBERT is a lightweight BERT token-classification parser for anime release filenames. It extracts structured fields: release group, title, season, episode, resolution, source, and special tags.

This repository is the Hugging Face model repo used by MiruPlay as tools/anime_parser.

Model Details / 模型信息

Item Value
Architecture / 架构 BertForTokenClassification
Tokenizer / 分词器 Custom character tokenizer in anifilebert/tokenizer.py
Parameters / 参数量 4,783,631
Hidden size / 隐层维度 256
Layers / 层数 4
Attention heads / 注意力头 8
Max sequence length / 最大长度 128
Labels / 标签 BIO labels for TITLE, SEASON, EPISODE, GROUP, RESOLUTION, SOURCE, SPECIAL
Default checkpoint / 默认权重 Repository root files (config.json, model.safetensors, vocab.json, tokenizer_config.json)
ONNX export / ONNX 导出 exports/anime_filename_parser.onnx
Training lineage / 训练链路 reports/training_lineage.json

中文：根目录就是发布 checkpoint，不再保留旧的 model/ 重复副本。默认解析路径是“模型 logits + 约束 BIO + 薄字段规范化”，不再默认启用重结构规则；直接 from_pretrained() 只能加载 token-classification 权重。

English: The repository root is the published checkpoint. The default parser is model logits + constrained BIO + thin field normalization; heavy structural assist is not enabled by default. from_pretrained() only loads token-classification weights.

Intended Use / 使用场景

中文

  • 解析番剧/动画发布文件名，用于媒体库刮削、归类、搜索和展示。
  • 覆盖常见结构：[GROUP] TITLE - EP [META]、点分隔 S01E07、国漫多括号标题、BD 特典 NCOP/NCED/IV05、长集数、第二季别名等。
  • 不适合泛化为自然语言 NER；这是结构化文件名解析任务。

English

  • Parse anime release filenames for media library scraping, classification, search, and display.
  • Covers common layouts: [GROUP] TITLE - EP [META], dotted S01E07, Chinese animation bracket layouts, BD extras such as NCOP/NCED/IV05, long-running episode numbers, and season aliases.
  • This is not a general natural-language NER model; it is a structured filename parser.

Install / 安装 

uv sync

If the dataset submodule is missing:

git submodule update --init --recursive

Quick Start / 快速使用

Run the Python parser:

uv run python -m anifilebert.inference --model-dir . "[GM-Team][国漫][神印王座][Throne of Seal][2022][200][AVC][GB][1080P].mp4"

Expected output:

{"title":"神印王座","season":null,"episode":200,"group":"GM-Team","resolution":"1080P","source":"GB","special":null}

Load the raw Transformers model:

from transformers import BertForTokenClassification

model = BertForTokenClassification.from_pretrained("ModerRAS/AniFileBERT")

中文：如果需要完整字段解析，请 clone 本仓库并使用 python -m anifilebert.inference，因为分词器和后处理是自定义的。

English: For complete field parsing, clone this repo and use python -m anifilebert.inference; the tokenizer and postprocessing are custom.

ONNX Usage / ONNX 使用

The ONNX graph outputs token logits only. A complete parser still needs:

  1. custom character tokenization,
  2. constrained BIO decoding,
  3. field aggregation and thin string/number normalization.

本仓库提供最小可运行示例：

uv run python -m tools.onnx_inference "[YYDM&VCB-Studio] Shinsekai Yori [NCED02][Ma10p_1080p][x265_flac].mkv"

Static graph shapes:

  • input_ids: int64[1,128]
  • attention_mask: int64[1,128]
  • logits: float32[1,128,15]

More details: docs/onnx.md and docs/android.md.

Evaluation / 评估

Current published checkpoint:

Metric / 指标 Value / 数值
Fixed regression, model-only / 固定回归，纯模型聚合 24/26 full match = 92.31%
Fixed regression, default thin runtime / 固定回归，默认薄层运行时 26/26 full match = 100%
Held-out parse, model-only / held-out 解析，纯模型聚合 1962/2048 full match = 95.80%
Held-out parse, default thin runtime / held-out 解析，默认薄层运行时 1988/2048 full match = 97.07%
Token/entity eval / token/entity 评估 F1 0.9844, token accuracy 0.9961
ONNX parity / ONNX 误差 max abs diff 4.0054e-05
CPU thin-runtime latency / CPU 薄层运行时延迟 ONNX avg 12.04 ms, P95 13.81 ms

中文：当前发布模型是“两阶段训练”产物：先用 Rust 预生成 20,439,848 行虚拟 BIO shard，在 RTX 5070 Ti 上完整训练 10 epoch / 114,070 optimizer steps；再接 1 epoch light hard-case focus 微调。细节见 reports/training_lineage.json。README 主指标以 model-only 和默认薄层 normalized-only 为准；旧版结构规则辅助层已移除，不再作为运行时或质量对照。

English: The published checkpoint was trained in two stages: a 10-epoch CUDA fine-tune over 20,439,848 Rust-generated virtual BIO shard rows (114,070 optimizer steps) on the RTX 5070 Ti, followed by a 1-epoch light hard-case focus fine-tune. See reports/training_lineage.json for details. README quality numbers prioritize model-only and the default thin normalized-only runtime; structural filename assists have been removed from the runtime and quality reports.

Run regression:

uv run python -m tools.evaluate_parser_cases --model-dir . --case-file data/parser_regression_cases.json --output reports/case_metrics.json

Performance / 性能

Benchmark command:

性能测试命令：

uv run python -m tools.benchmark_inference --model-dir . --onnx exports/anime_filename_parser.onnx --case-file data/parser_regression_cases.json --repeat 20 --warmup 20 --torch-threads 1 --ort-threads 1 --output reports/benchmark_results.json

Local CPU benchmark on the 26 fixed real-world cases, single-threaded, using the default thin runtime: tokenization, model/session forward, constrained BIO decoding, entity aggregation, and light string/number normalization:

本地 CPU 单线程测试，使用 26 条固定真实 case，默认薄层运行时，包含 tokenizer、 模型/session 前向、约束 BIO 解码、实体聚合和轻量字符串/数字规范化：

Backend / 后端 Load ms / 加载 ms Avg ms / 平均 ms P50 ms P95 ms P99 ms files/s
PyTorch 46.35 15.36 14.25 22.27 29.75 65.1
ONNX Runtime 50.92 12.04 11.90 13.81 15.38 83.1

中文：这是完整薄层 parser 的端到端延迟，不是只测模型 forward。移动端实现应复用 ONNX session，并保持 tokenizer/BIO/薄规范化逻辑一致。

English: This is end-to-end thin-parser latency, not model-forward-only timing. Mobile code should keep the ONNX session reusable and keep tokenizer/BIO/thin-normalization behavior aligned.

Training / 训练

Training uses the dataset submodule at datasets/AnimeName.

Recommended virtual-shard character-token run on the Windows RTX 5070 Ti worker:

@'
import random
from pathlib import Path

source = Path("datasets/AnimeName/dmhy_weak_char.jsonl")
target = Path("data/generated/virtual_source_train_seed105.jsonl")
rows = [line for line in source.read_text(encoding="utf-8").splitlines() if line]
random.Random(105).shuffle(rows)
target.parent.mkdir(parents=True, exist_ok=True)
target.write_text("\n".join(rows[: int(len(rows) * 0.98)]) + "\n", encoding="utf-8")
'@ | .\.venv\Scripts\python.exe -

cargo build --release --manifest-path tools/virtual_dataset_generator/Cargo.toml
.\tools\virtual_dataset_generator\target\release\anifilebert-virtual-dataset-generator.exe `
  --input data/generated/virtual_source_train_seed105.jsonl `
  --vocab-file datasets/AnimeName/vocab.char.json `
  --output-dir data/generated/virtual_char_sps32_seed105 `
  --max-length 128 `
  --samples-per-source 32 `
  --seed 105 `
  --threads 20 `
  --separator-mode per-gap `
  --bracket-mode per-part

.\.venv\Scripts\python.exe -m anifilebert.train --tokenizer char `
  --data-file datasets/AnimeName/dmhy_weak_char.jsonl `
  --vocab-file datasets/AnimeName/vocab.char.json `
  --virtual-dataset-dir data/generated/virtual_char_sps32_seed105 `
  --save-dir checkpoints/dmhy-char-virtual-sps32-10epoch-lr1e5 `
  --init-model-dir . `
  --epochs 10 `
  --batch-size 1792 `
  --learning-rate 0.00001 `
  --warmup-steps 2000 `
  --max-seq-length 128 `
  --train-split 0.98 `
  --num-workers 4 `
  --prefetch-factor 4 `
  --persistent-workers `
  --checkpoint-steps 5000 `
  --save-total-limit 3 `
  --parse-eval-limit 2048 `
  --case-eval-file data/parser_regression_cases.json `
  --bf16 `
  --no-periodic-eval `
  --perf-log-steps 1000 `
  --perf-sample-interval 0.5 `
  --seed 105 `
  --experiment-name dmhy-char-virtual-sps32-10epoch-lr1e5

python -m anifilebert.train writes:

  • Hugging Face checkpoints under --save-dir,
  • final/run_metadata.json,
  • final/trainer_eval_metrics.json,
  • final/parse_eval_metrics.json,
  • final/case_metrics.json unless --no-case-eval is used,
  • final/perf_metrics.json when --perf-log-steps is set,
  • TensorBoard logs unless --no-tensorboard is used.

Full workflow: docs/training.md.

Dataset / 数据集

Authoritative dataset snapshot:

datasets/AnimeName/dmhy_weak.jsonl
datasets/AnimeName/dmhy_weak_char.jsonl
datasets/AnimeName/vocab.json
datasets/AnimeName/vocab.char.json

Current snapshot:

  • rows / 行数: 632002
  • failed relabel rows / 重标注失败行: 0
  • strict BIO violations / 严格 BIO 违规: 0
  • character vocab / 字符词表: 6199
  • character coverage / 字符覆盖率: 100%

中文：datasets/AnimeName 是嵌套数据集仓库。更新数据后需要先提交/推送子仓库，再提交父仓库的 submodule pointer。

English: datasets/AnimeName is a nested dataset repository. Commit and push the dataset repo first, then commit the updated submodule pointer in this model repo.

Repository Layout / 仓库结构 

config.json
model.safetensors
tokenizer_config.json
vocab.json
training_args.bin
anifilebert/
tools/
data/parser_regression_cases.json
datasets/AnimeName/
exports/anime_filename_parser.onnx
docs/
reports/

Maintenance / 维护

See docs/maintenance.md for release steps, LFS order, dataset submodule updates, and MiruPlay integration notes.

Limitations / 局限

中文

  • 发布命名没有统一标准，极端 OCR 噪声、乱码、非动画命名仍可能失败。
  • ONNX 只包含模型 logits，不包含 tokenizer、BIO decode 和薄字段规范化；移动端必须保持 tokenizer/vocab/config 一致。
  • source 当前是单值字段，复杂文件名里可能同时存在平台、发布源、编码器和语言标签。

English

  • Anime release names are not standardized; extreme OCR noise, mojibake, or non-anime names can still fail.
  • ONNX contains logits only. Mobile runtimes must keep tokenizer, vocabulary, config, BIO decode, and thin normalization in sync.
  • source is currently a single field, while real filenames may contain platform, release source, codec, and language tags together.