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NGレシート検知モデルの作成
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Kazuki Ishikawa
July 01, 2024
Programming
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NGレシート検知モデルの作成
モバイル端末で画像分類を行った話。
使用技術:Python, Xcode, CoreML, MobileNet
Kazuki Ishikawa
July 01, 2024
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Transcript
©︎ WED, Inc. WEDגࣜձࣾ ʛ ੴथ NGϨγʔτ ݕϞσϧͷ࡞
2 ࣗݾհ ੴथ ུྺ 20243݄ ໊ݹେֶେֶӃ ଔۀ ಉ4݄ɹ WEDגࣜձࣾ ೖࣾ
৬छ ػցֶशΤϯδχΞ झຯ • Ṗղ͖ɺύζϧ • ిࢠϐΞϊ
3
4 ϨγʔτOCR ࡱӨ OCR ςΩετ ingenoël ϥϯδΣϊΤϧΠΦϯ Ϟʔϧژܡళ ژࢢೆ۠ٱੈߴాொ 376-1
ΠΦϯ075-925-0502Ϟʔ ϧژܡ1f ຖ͋Γ͕ͱ͏͍͟͝· ͢ɻ 201406݄18(Ր)11:51 31wb500800zz ֎ϫίʔϧόʔήϯ
5 ϨγʔτOCR ࡱӨ OCR ςΩετ 😢 OCRͷલஈ֊Ͱɺෆ໌ͳը૾Λ͖͍ͨ
6 Γ͍ͨ͜ͱ ࡱӨ NGϨγʔτ ݕ ωΠςΟϒ Ϋϥυ OCR OK NG
7 ͖͍ͨϨγʔτ • ͦͦϨγʔτ͡Όͳ͍ • ΅͚͍ͯΔ • ҉͗͢Δ • άγϟάγϟʹͳͬͯΔ
• ࢦͳͲ͕Ϩγʔτʹඃ͍ͬͯΔ
8 ༻ٕज़ CoreML • iOSͰػցֶशΛѻ͏ͨΊͷϑϨʔϜϫʔΫ • SwiftͰॻ͚Δ • ը૾ɺݴޠɺԻͳͲ৭ʑରԠ͍ͯ͠Δ MobileNet
V3 • ը૾ྨϞσϧ • ϞόΠϧͰಈ͔ͤΔ͘Β͍ܰྔ ◦ 6.1MB
9 ֶशσʔλ OCR݁ՌͰจࣈ͕ݕग़͞Εͳ͔ͬͨը૾Λऩू • ΅͚͍ͯΔ • ҉͗͢Δ • Ϩγʔτ͡Όͳ͍
Ϟσϧͷ࡞ 1. PyTorchͰϞσϧΛֶश 2. CoreMLϞσϧʹม 10
11 ωΠςΟϒ࣮
12 σϞ https://youtube.com/shorts/3EeoonhU0So?feature=share
13 ग़ྗྫ OK: 1.0 NG: 0.99 NG: 0.99
14 ग़ྗྫ OK: 0.90 OK: 1.0 OK: 1.0
15 ·ͱΊ NGϨγʔτݕϞσϧΛ࡞ • ωΠςΟϒͰಈ͔ͤΔΑ͏ɺܰྔͳϞσϧΛ࠾༻ ݁Ռ • ΅͚͍ͯΔը૾ɺ҉͗͢Δը૾ɿ👍 • Ϩγʔτ͡Όͳ͍ը૾ɿ😢
◦ ֶशσʔλෆʁ • άγϟάγϟͷϨγʔτɺࢦ͕ඃ͍ͬͯΔϨγʔτNGʹ͍ͨ͠