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Pstage 3 ] Semantic Segmentation & Object Detection

πŸ“‹ Table of content



πŸ‘‹ νŒ€ μ†Œκ°œ

  • Semantic Segmentation & Object Detection 18μ‘° Multi-Head Ensemble Team
  • 쑰원 : κΉ€μœ μ§€, 김홍엽, κΉ€νš¨μ§„ , λ°•μ„±λ°°, λ°•μ„±ν›ˆ, 였혜린
κΉ€μœ μ§€ 김홍엽 κΉ€νš¨μ§„ λ°•μ„±λ°° λ°•μ„±ν›ˆ 였혜린



πŸŽ– μ΅œμ’… κ²°κ³Ό

  • Semantic Segmentaion :
  • Object Detection :
    • private LB : 0.5014 (2λ“±)
    • Public LB : 0.6068 (3λ“±)



β™» λŒ€νšŒ κ°œμš”

ν™˜κ²½ 뢀담을 μ‘°κΈˆμ΄λ‚˜λ§ˆ 쀄일 수 μžˆλŠ” λ°©λ²•μ˜ ν•˜λ‚˜λ‘œ 'λΆ„λ¦¬μˆ˜κ±°'κ°€ μžˆμŠ΅λ‹ˆλ‹€. 잘 λΆ„λ¦¬λ°°μΆœ 된 μ“°λ ˆκΈ°λŠ” μžμ›μœΌλ‘œμ„œ κ°€μΉ˜λ₯Ό 인정받아 μž¬ν™œμš©λ˜μ§€λ§Œ, 잘λͺ» λΆ„λ¦¬λ°°μΆœ 되면 κ·ΈλŒ€λ‘œ 폐기물둜 λΆ„λ₯˜λ˜μ–΄ 맀립, μ†Œκ°λ˜κΈ° λ•Œλ¬Έμž…λ‹ˆλ‹€. μš°λ¦¬λ‚˜λΌμ˜ 뢄리 μˆ˜κ±°μœ¨μ€ ꡉμž₯히 높은 κ²ƒμœΌλ‘œ μ•Œλ €μ Έ 있고, 또 졜근 μ΄λŸ¬ν•œ μ“°λ ˆκΈ° λ¬Έμ œκ°€ μ£Όλͺ©λ°›μœΌλ©° λ”μš± λ§Žμ€ μ‚¬λžŒμ΄ λΆ„λ¦¬μˆ˜κ±°μ— λ™μ°Έν•˜λ € ν•˜κ³  μžˆμŠ΅λ‹ˆλ‹€. ν•˜μ§€λ§Œ '이 μ“°λ ˆκΈ°κ°€ 어디에 μ†ν•˜λŠ”μ§€', 'μ–΄λ–€ 것듀을 λΆ„λ¦¬ν•΄μ„œ λ²„λ¦¬λŠ” 것이 λ§žλŠ”μ§€' λ“± μ •ν™•ν•œ λΆ„λ¦¬μˆ˜κ±° 방법을 μ•ŒκΈ° μ–΄λ ΅λ‹€λŠ” 문제점이 μžˆμŠ΅λ‹ˆλ‹€.

λ”°λΌμ„œ, μš°λ¦¬λŠ” μ“°λ ˆκΈ°κ°€ 찍힌 μ‚¬μ§„μ—μ„œ μ“°λ ˆκΈ°λ₯Ό Segmentation ν•˜λŠ” λͺ¨λΈμ„ λ§Œλ“€μ–΄ μ΄λŸ¬ν•œ λ¬Έμ œμ μ„ ν•΄κ²°ν•΄λ³΄κ³ μž ν•©λ‹ˆλ‹€. 문제 해결을 μœ„ν•œ λ°μ΄ν„°μ…‹μœΌλ‘œλŠ” 일반 μ“°λ ˆκΈ°, ν”ŒλΌμŠ€ν‹±, 쒅이, 유리 λ“± 11 μ’…λ₯˜μ˜ μ“°λ ˆκΈ°κ°€ 찍힌 사진 데이터셋이 μ œκ³΅λ©λ‹ˆλ‹€.

  • Dataset μ„€λͺ…

    • 512 x 512 크기의 train 2617μž₯ (80%) , public test 417μž₯ (10%) , private test 420μž₯(10%)
    • 총 11개의 class 쑴재
      • Background, UNKNOWN, General trash, Paper, Paper pack, Metal, Glass, Plastic, Styrofoam, Plastic bag, Battery, Clothing
    • coco format으둜 images , annotations 정보 쑴재
      • images : id, height , width, filename
      • annotatins : id, segmentation mask , bbox, area, category_id , image_id
  • 평가방법

    • Semantic Segmentation : mAP50
    • Object Detection : mIoU



πŸ“ 문제 μ •μ˜ 및 ν•΄κ²° 방법

  • ν•΄λ‹Ή λŒ€νšŒμ— λŒ€ν•œ 문제λ₯Ό μ–΄λ–»κ²Œ μ •μ˜ν•˜κ³ , μ–΄λ–»κ²Œ ν’€μ–΄κ°”λŠ”μ§€, μ΅œμ’…μ μœΌλ‘œλŠ” μ–΄λ–€ μ†”λ£¨μ…˜μ„ μ‚¬μš©ν•˜μ˜€λŠ”μ§€μ— λŒ€ν•΄μ„œλŠ” 각자의 wrap up reportμ—μ„œ κΈ°μˆ ν•˜κ³  μžˆμŠ΅λ‹ˆλ‹€.

  • μœ„ reportμ—λŠ” λŒ€νšŒλ₯Ό μ°Έκ°€ν•œ ν›„, 개인의 νšŒκ³ λ„ ν¬ν•¨λ˜μ–΄μžˆμŠ΅λ‹ˆλ‹€.

  • νŒ€ν”„λ‘œμ νŠΈλ₯Ό μ§„ν–‰ν•˜λ©° ν˜‘μ—… 툴둜 μ‚¬μš©ν–ˆλ˜ Notionλ‚΄μš©λ„ ν•΄λ‹Ή 링크에 μ ‘μ†ν•˜μ‹œλ©΄ ν™•μΈν•˜μ‹€ 수 μžˆμŠ΅λ‹ˆλ‹€.



πŸ’» CODE μ„€λͺ…

  • μžμ„Έν•œ CODE μ„€λͺ…은 개인 폴더 λ‚΄ README.mdλ₯Ό 톡해 ν™•μΈν•˜μ‹€ 수 μžˆμŠ΅λ‹ˆλ‹€.

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