modernbert-ja-130m-typo-detector
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- éçº: umiyoshïŒæ ¡æ£ã¢ã㪠Kotobae ã®ç«¯æ«äžã®èª€å€æãã§ãã¯ãšããŠïŒ
- çš®é¡: ããŒã¯ã³åé¡ïŒModernBERTãçŽ 1.3 åãã©ã¡ãŒã¿ãŒïŒãåºåã¯ããŒã¯ã³ããšã® P(TYPO)
- èšèª: æ¥æ¬èª
- ã©ã€ã»ã³ã¹: MIT
- å ã®ã¢ãã«: sbintuitions/modernbert-ja-130mïŒMITïŒ
ç
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|---|---|---|
| 2026-10-26 çïŒä»ã®çïŒ | 33115ea |
人工ã®ããªæŒ¢å倿ã®åãéãã§äžå°åŠç¿ãããéã¿ãã2026-10-21 çãšååãã€æ··ãã |
| 2026-10-21 ç | c548fa9 |
é³å£°èªèã®æžãèµ·ããã®èª€ãã§ãåŠç¿ããã |
| æåã®ç | 2bf8db3 |
å ¥åããæã®èª€å€æïŒJWTD ãšäººå·¥ã®èª€ãïŒã§åŠç¿ããã |
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åºã©ãã
- åŠç¿ã»è©äŸ¡ã®ã³ãŒã: umiyosh/modernbert-ja-ondeviceïŒæåã®çã¯
training/ãé³å£°å ¥åã®èª€ãã¯asr/ïŒ - è©äŸ¡ã®åãæ±ºã:
asr/PROTOCOL.mdïŒåŠç¿ã®åã«æžãã詊éšããŒã¿ãéããåã«è¿œèšããïŒ - åŠç¿ã®æšç§»ãšæçµè©äŸ¡ã®ããŒãž: https://umiyosh.github.io/modernbert-ja-ondevice/
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æ¥æ¬èªã®æã 1 æãã€å ¥ãã誀ããããããŒã¯ã³ãèŠã€ããŸããåäœã§å°ãä»ãããããæªããèªãçµãåæ®µãšããŠãåè£ã®æ¡ç¹åœ¹ umiyosh/modernbert-ja-130m-homophone-scorer ãšçµã¿åããããšæãããåããŸãã
çµã¿èŸŒãã§äœ¿ã
Kotobae ã¯ããã®ã¢ãã«ã§ P(TYPO) ã 0.05 以äžã®èªã ãåè£ïŒåé³èªã»åãéã衚 umiyosh/jwtd-misconversion-tableïŒãæ¡ç¹ããæ€åºåš 0.995 以äžã®ç®æããåè£ãæžãããèªãã 7.0 以äžãããããªç®æã«å°ãä»ããŸããåè£ãå ¥ããæããã®ã¢ãã«ã§ç¢ºããçŽãããã®å·®ãåè£ã®å·®ã«è¶³ããŸãã
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- é³å£°èªèãšæäœãå€ãããšäžãã: Whisper ã§æžãèµ·ããã Common Voice ã®èªã¿äžãã§éžãã éŸå€ã§ããReazonSpeech ã§æžãèµ·ããã FLEURSïŒWikipedia ã®ç¿»èš³æïŒã§ã¯ãåé³ã®åãéãã®åçŸçã 66.3% ãã 42.9% ã«äžãããŸããïŒ#98 ã®åã®çµã¿åãã㯠22.3%ïŒã
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- åŠç¿ããŒã¿ã®åã: JWTD 㯠Wikipedia ã®æã§ãå šè§ã»æ¹è¡ãªãã§æžãããŠããŸããåè§ã®äžŠã³ãæ¹è¡ã«å°ãä»ãããšããããŸããCommon Voice ã®èªã¿äžãã¯ãèªã¿æã®å¹Žéœ¢ã»æ§å¥ã»å°åã«åããããåŸãŸãïŒè©±è ã®å±æ§ã¯äœ¿ã£ãŠããŸããïŒã
- åºæåè©: 人工ã®èª€ãã«åºæåè©ã®åãéãã¯å ¥ããŠããŸããã
å§ããããš
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å§ãæ¹
import torch
from transformers import AutoModelForTokenClassification, AutoTokenizer
name = "umiyosh/modernbert-ja-130m-typo-detector"
tok = AutoTokenizer.from_pretrained(name)
model = AutoModelForTokenClassification.from_pretrained(name).eval()
text = "ãã®ã¢ããªã¯ä»¥å€ãšäœ¿ããããã"
enc = tok(text, return_offsets_mapping=True, return_tensors="pt")
offsets = enc.pop("offset_mapping")[0]
with torch.no_grad():
p = model(**enc).logits.softmax(-1)[0, :, 1] # P(TYPO) per token
for (s, e), q in zip(offsets.tolist(), p.tolist()):
if e > s and q >= 0.995:
print(text[s:e], round(q, 3))
éŸå€ 0.995 ã¯ãKotobae ãåè£ã®æ¡ç¹ãšçµã¿åãããŠäœ¿ãå€ã§ãïŒ2026-10-21 ç㯠0.6ïŒããã®çã¯èª€ãã®ç®æã® P ã 1 ã®è¿ãã«éãŸãã®ã§ãéŸå€ã 1 ã®è¿ãã«ãªããŸããåäœã§äœ¿ããšãã®éŸå€ã¯æž¬ã£ãŠããŸããã1 æãã€ã<s> ãš </s> ãä»ããŠå
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Core ML
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| sbintuitions/modernbert-ja-130m | å ã®ã¢ãã« | MIT |
| æ¥æ¬èª Wikipedia å ¥å誀ãããŒã¿ã»ããïŒJWTDïŒv2 ã® trainïŒäº¬éœå€§åŠ èšèªã¡ãã£ã¢ç ç©¶å®€ïŒ | 誀ãã®ããæãšçŽããæïŒ137 äžè¡ïŒã人工ã®èª€ãã®å ã«ãããçŽããæãšèª€ãã®çµ | CC BY-SA 3.0 |
| 人工ã®èª€ã | JWTD ã®çŽããæ 686,932 æã« 1 ãæãã€èª€ããå ¥ãããã®: JWTD ã®èª€ãã®çµãéã«åœãŠãïŒ303,234ïŒãåé³ç°çŸ©èªïŒ238,225ïŒãé³å£°å ¥åã®ãããªã«ã¿ã«ãæžãïŒ96,054ïŒãã²ãããªãåãèªã¿ã®æŒ¢åã®åè©ã«ïŒ49,419ïŒ | JWTD ããçæ |
| UniDicïŒunidic-liteãfugashi çµç±ïŒ | 人工ã®èª€ããäœãããã®èªã¿ãã¢ãã«ã«èŸæžã®ããŒã¿ã¯å ¥ã£ãŠããªã | BSD-3-ClauseïŒUniDicïŒãMIT |
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22.0% | 8.8% | 81.0% | 0.88 |
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| èŠåã ãïŒåãéãè¡šãšæªç¥èªïŒ | 58.1% | 30.2% | 33.1% | 60.35 |
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| Common Voice ã®æ£ããæžãèµ·ãããžã®å°ïŒ1,000 åãããã2 ã€ã®ååïŒ | â | 0.98 / 0.99 |
| JWTD test ã®æ£ããæ 150,007 åãžã®å° | 164 | 170 |
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umiyoshã質åãäžå ·å㯠GitHub ã® Issue ãžã
English
A Japanese typo detector for kanji misconversions and voice-input mishearings: sbintuitions/modernbert-ja-130m fine-tuned for token classification (OK / TYPO), with a Core ML package for the Apple Neural Engine (coreml/). MIT. Training progress and final evaluation: page. Code and evaluation protocol: umiyosh/modernbert-ja-ondevice.
- Versions: the first version (
2bf8db3) was trained on the Japanese Wikipedia Typo Dataset v2 train split (CC BY-SA 3.0, not redistributed) plus 686,932 synthetic errors. The 2026-10-21 version (c548fa9) was further trained on speech-recognition errors (Whisper large-v3-turbo transcripts of Mozilla Common Voice Japanese 27.0 train clips, CC0, and of Kokoro-82M readings of JWTD sentences). The 2026-10-26 version (33115ea, current) averages that version half and half with a retraining pretrained on 150,000 synthetic kana-kanji misconversions made with kanakanji-edge-33m (Apache-2.0). - Use: feed one sentence at a time with
<s>and</s>. It works best as the first stage of candidate scoring with umiyosh/modernbert-ja-130m-homophone-scorer: Kotobae scores the alternatives of words at P ⥠0.05, checks each alternative in place with this detector, and marks at P ⥠0.995 or a lead of 7.0. It locates errors and does not correct them. - Evaluation: measured once on Common Voice test (6,563 clips of 2,091 speakers kept apart from training, 523 homophone errors) after every choice was fixed: 66.3% of homophone errors (95% CI 61.9â70.6, speaker bootstrap) at 1.05 false marks per 1,000 characters of correct transcripts, against 22.0% for the first version with the untrained scorer (p < 0.001); 93.5% of its marks on transcripts with errors fall on an error (precision). The goal was 60% at about one false mark per 1,000 characters; the judgment written before test said at most 1.00. On FLEURS ja transcribed with ReazonSpeech, it finds 42.9% (first version: 22.3%).
- Limits: text only, so a wrong word that also fits the sentence (èªå·± / äºæ ) cannot be told apart; the level drops with another recognizer and written text; half-width runs and line breaks can draw marks.