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๐ŸงถData Preprocessing๐Ÿงต

๋ณธ ์ €์žฅ์†Œ๋Š” ๋œจ๊ฐœ์งˆ ํŒจํ„ด ์ƒ์„ฑ ํ”„๋กœ์ ํŠธ๋ฅผ ์œ„ํ•œ ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ๋ฐ ์ค€๋น„ ๊ณผ์ •์„ ํฌํ•จํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.
์ˆ˜์ง‘ํ•œ ๋œจ๊ฐœ์งˆ ์ œํ’ˆ ์ด๋ฏธ์ง€๋ฅผ ๋ชจ๋ธ ํ•™์Šต์šฉ์œผ๋กœ ์ „์ฒ˜๋ฆฌํ•˜๋Š” ํŒŒ์ดํ”„๋ผ์ธ์„ ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค.

ํด๋” ๊ตฌ์„ฑ

  • Crawling : ์›น ํฌ๋กค๋ง์„ ํ†ตํ•œ ์›๋ณธ ์ด๋ฏธ์ง€ ์ˆ˜์ง‘ ์ฝ”๋“œ
  • Cleansing : ์ˆ˜์ง‘ํ•œ ์ด๋ฏธ์ง€์˜ ๋…ธ์ด์ฆˆ ์ œ๊ฑฐ ๋ฐ ํด๋ Œ์ง• ์Šคํฌ๋ฆฝํŠธ
  • Preprocessing : ๋ฐ์ดํ„ฐ ์ „์ฒ˜๋ฆฌ ๋ฐ ์˜๋ฏธ ์—†๋Š” ๋ผ๋ฒจ ์‚ญ์ œ, ํ†ตํ•ฉ ์ฒ˜๋ฆฌ

์ฃผ์š” ์ฝ”๋“œ

  • augmentation.ipynb : ๋ฐ์ดํ„ฐ ์ฆ๊ฐ• (Augmentation) ์ฝ”๋“œ
  • test_train_val.ipynb : ์ „์ฒด ๋ฐ์ดํ„ฐ๋ฅผ 70:15:15 ๋น„์œจ๋กœ train/test/validation์œผ๋กœ ๋ถ„ํ• ํ•˜๋Š” ์ฝ”๋“œ

์ „์ฒด ํŒŒ์ดํ”„๋ผ์ธ

  1. Crawling โ†’ ์ด๋ฏธ์ง€ ์ˆ˜์ง‘
  2. Cleansing โ†’ ์ด๋ฏธ์ง€ ์ •์ œ ๋ฐ ๋ผ๋ฒจ๋ง ์˜ค๋ฅ˜ ์ œ๊ฑฐ
  3. Preprocessing โ†’ ์˜๋ฏธ ์—†๋Š” ๋ผ๋ฒจ ์‚ญ์ œ ๋ฐ ๋ฐ์ดํ„ฐ ํ†ตํ•ฉ ์ •๋ฆฌ
  4. augmentation.ipynb โ†’ ๋ฐ์ดํ„ฐ ์ฆ๊ฐ•
  5. test_train_val.ipynb โ†’ ํ•™์Šต ๋ฐ์ดํ„ฐ์…‹ ๋ถ„ํ• 

์ด ์ €์žฅ์†Œ๋ฅผ ํ†ตํ•ด ์ƒ์„ฑ๋œ ์ตœ์ข… ์ „์ฒ˜๋ฆฌ ๋ฐ์ดํ„ฐ๋Š” DeepLabV3+, SCHP ๋ชจ๋ธ ํ•™์Šต์— ํ™œ์šฉ๋ฉ๋‹ˆ๋‹ค.

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