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TIL
  • MAIN
  • : TIL?
  • : WIL
  • : Plan
  • : Retrospective
    • 21Y
      • Wait a moment!
      • 9M 2W
      • 9M1W
      • 8M4W
      • 8M3W
      • 8M2W
      • 8M1W
      • 7M4W
      • 7M3W
      • 7M2W
      • 7M1W
      • 6M5W
      • 1H
    • ์ƒˆ์‚ฌ๋žŒ ๋˜๊ธฐ ํ”„๋กœ์ ํŠธ
      • 2ํšŒ์ฐจ
      • 1ํšŒ์ฐจ
  • TIL : ML
    • Paper Analysis
      • BERT
      • Transformer
    • Boostcamp 2st
      • [S]Data Viz
        • (4-3) Seaborn ์‹ฌํ™”
        • (4-2) Seaborn ๊ธฐ์ดˆ
        • (4-1) Seaborn ์†Œ๊ฐœ
        • (3-4) More Tips
        • (3-3) Facet ์‚ฌ์šฉํ•˜๊ธฐ
        • (3-2) Color ์‚ฌ์šฉํ•˜๊ธฐ
        • (3-1) Text ์‚ฌ์šฉํ•˜๊ธฐ
        • (2-3) Scatter Plot ์‚ฌ์šฉํ•˜๊ธฐ
        • (2-2) Line Plot ์‚ฌ์šฉํ•˜๊ธฐ
        • (2-1) Bar Plot ์‚ฌ์šฉํ•˜๊ธฐ
        • (1-3) Python๊ณผ Matplotlib
        • (1-2) ์‹œ๊ฐํ™”์˜ ์š”์†Œ
        • (1-1) Welcome to Visualization (OT)
      • [P]MRC
        • (2๊ฐ•) Extraction-based MRC
        • (1๊ฐ•) MRC Intro & Python Basics
      • [P]KLUE
        • (5๊ฐ•) BERT ๊ธฐ๋ฐ˜ ๋‹จ์ผ ๋ฌธ์žฅ ๋ถ„๋ฅ˜ ๋ชจ๋ธ ํ•™์Šต
        • (4๊ฐ•) ํ•œ๊ตญ์–ด BERT ์–ธ์–ด ๋ชจ๋ธ ํ•™์Šต
        • [NLP] ๋ฌธ์žฅ ๋‚ด ๊ฐœ์ฒด๊ฐ„ ๊ด€๊ณ„ ์ถ”์ถœ
        • (3๊ฐ•) BERT ์–ธ์–ด๋ชจ๋ธ ์†Œ๊ฐœ
        • (2๊ฐ•) ์ž์—ฐ์–ด์˜ ์ „์ฒ˜๋ฆฌ
        • (1๊ฐ•) ์ธ๊ณต์ง€๋Šฅ๊ณผ ์ž์—ฐ์–ด ์ฒ˜๋ฆฌ
      • [U]Stage-CV
      • [U]Stage-NLP
        • 7W Retrospective
        • (10๊ฐ•) Advanced Self-supervised Pre-training Models
        • (09๊ฐ•) Self-supervised Pre-training Models
        • (08๊ฐ•) Transformer (2)
        • (07๊ฐ•) Transformer (1)
        • 6W Retrospective
        • (06๊ฐ•) Beam Search and BLEU score
        • (05๊ฐ•) Sequence to Sequence with Attention
        • (04๊ฐ•) LSTM and GRU
        • (03๊ฐ•) Recurrent Neural Network and Language Modeling
        • (02๊ฐ•) Word Embedding
        • (01๊ฐ•) Intro to NLP, Bag-of-Words
        • [ํ•„์ˆ˜ ๊ณผ์ œ 4] Preprocessing for NMT Model
        • [ํ•„์ˆ˜ ๊ณผ์ œ 3] Subword-level Language Model
        • [ํ•„์ˆ˜ ๊ณผ์ œ2] RNN-based Language Model
        • [์„ ํƒ ๊ณผ์ œ] BERT Fine-tuning with transformers
        • [ํ•„์ˆ˜ ๊ณผ์ œ] Data Preprocessing
      • Mask Wear Image Classification
        • 5W Retrospective
        • Report_Level1_6
        • Performance | Review
        • DAY 11 : HardVoting | MultiLabelClassification
        • DAY 10 : Cutmix
        • DAY 9 : Loss Function
        • DAY 8 : Baseline
        • DAY 7 : Class Imbalance | Stratification
        • DAY 6 : Error Fix
        • DAY 5 : Facenet | Save
        • DAY 4 : VIT | F1_Loss | LrScheduler
        • DAY 3 : DataSet/Lodaer | EfficientNet
        • DAY 2 : Labeling
        • DAY 1 : EDA
        • 2_EDA Analysis
      • [P]Stage-1
        • 4W Retrospective
        • (10๊ฐ•) Experiment Toolkits & Tips
        • (9๊ฐ•) Ensemble
        • (8๊ฐ•) Training & Inference 2
        • (7๊ฐ•) Training & Inference 1
        • (6๊ฐ•) Model 2
        • (5๊ฐ•) Model 1
        • (4๊ฐ•) Data Generation
        • (3๊ฐ•) Dataset
        • (2๊ฐ•) Image Classification & EDA
        • (1๊ฐ•) Competition with AI Stages!
      • [U]Stage-3
        • 3W Retrospective
        • PyTorch
          • (10๊ฐ•) PyTorch Troubleshooting
          • (09๊ฐ•) Hyperparameter Tuning
          • (08๊ฐ•) Multi-GPU ํ•™์Šต
          • (07๊ฐ•) Monitoring tools for PyTorch
          • (06๊ฐ•) ๋ชจ๋ธ ๋ถˆ๋Ÿฌ์˜ค๊ธฐ
          • (05๊ฐ•) Dataset & Dataloader
          • (04๊ฐ•) AutoGrad & Optimizer
          • (03๊ฐ•) PyTorch ํ”„๋กœ์ ํŠธ ๊ตฌ์กฐ ์ดํ•ดํ•˜๊ธฐ
          • (02๊ฐ•) PyTorch Basics
          • (01๊ฐ•) Introduction to PyTorch
      • [U]Stage-2
        • 2W Retrospective
        • DL Basic
          • (10๊ฐ•) Generative Models 2
          • (09๊ฐ•) Generative Models 1
          • (08๊ฐ•) Sequential Models - Transformer
          • (07๊ฐ•) Sequential Models - RNN
          • (06๊ฐ•) Computer Vision Applications
          • (05๊ฐ•) Modern CNN - 1x1 convolution์˜ ์ค‘์š”์„ฑ
          • (04๊ฐ•) Convolution์€ ๋ฌด์—‡์ธ๊ฐ€?
          • (03๊ฐ•) Optimization
          • (02๊ฐ•) ๋‰ด๋Ÿด ๋„คํŠธ์›Œํฌ - MLP (Multi-Layer Perceptron)
          • (01๊ฐ•) ๋”ฅ๋Ÿฌ๋‹ ๊ธฐ๋ณธ ์šฉ์–ด ์„ค๋ช… - Historical Review
        • Assignment
          • [ํ•„์ˆ˜ ๊ณผ์ œ] Multi-headed Attention Assignment
          • [ํ•„์ˆ˜ ๊ณผ์ œ] LSTM Assignment
          • [ํ•„์ˆ˜ ๊ณผ์ œ] CNN Assignment
          • [ํ•„์ˆ˜ ๊ณผ์ œ] Optimization Assignment
          • [ํ•„์ˆ˜ ๊ณผ์ œ] MLP Assignment
      • [U]Stage-1
        • 1W Retrospective
        • AI Math
          • (AI Math 10๊ฐ•) RNN ์ฒซ๊ฑธ์Œ
          • (AI Math 9๊ฐ•) CNN ์ฒซ๊ฑธ์Œ
          • (AI Math 8๊ฐ•) ๋ฒ ์ด์ฆˆ ํ†ต๊ณ„ํ•™ ๋ง›๋ณด๊ธฐ
          • (AI Math 7๊ฐ•) ํ†ต๊ณ„ํ•™ ๋ง›๋ณด๊ธฐ
          • (AI Math 6๊ฐ•) ํ™•๋ฅ ๋ก  ๋ง›๋ณด๊ธฐ
          • (AI Math 5๊ฐ•) ๋”ฅ๋Ÿฌ๋‹ ํ•™์Šต๋ฐฉ๋ฒ• ์ดํ•ดํ•˜๊ธฐ
          • (AI Math 4๊ฐ•) ๊ฒฝ์‚ฌํ•˜๊ฐ•๋ฒ• - ๋งค์šด๋ง›
          • (AI Math 3๊ฐ•) ๊ฒฝ์‚ฌํ•˜๊ฐ•๋ฒ• - ์ˆœํ•œ๋ง›
          • (AI Math 2๊ฐ•) ํ–‰๋ ฌ์ด ๋ญ์˜ˆ์š”?
          • (AI Math 1๊ฐ•) ๋ฒกํ„ฐ๊ฐ€ ๋ญ์˜ˆ์š”?
        • Python
          • (Python 7-2๊ฐ•) pandas II
          • (Python 7-1๊ฐ•) pandas I
          • (Python 6๊ฐ•) numpy
          • (Python 5-2๊ฐ•) Python data handling
          • (Python 5-1๊ฐ•) File / Exception / Log Handling
          • (Python 4-2๊ฐ•) Module and Project
          • (Python 4-1๊ฐ•) Python Object Oriented Programming
          • (Python 3-2๊ฐ•) Pythonic code
          • (Python 3-1๊ฐ•) Python Data Structure
          • (Python 2-4๊ฐ•) String and advanced function concept
          • (Python 2-3๊ฐ•) Conditionals and Loops
          • (Python 2-2๊ฐ•) Function and Console I/O
          • (Python 2-1๊ฐ•) Variables
          • (Python 1-3๊ฐ•) ํŒŒ์ด์ฌ ์ฝ”๋”ฉ ํ™˜๊ฒฝ
          • (Python 1-2๊ฐ•) ํŒŒ์ด์ฌ ๊ฐœ์š”
          • (Python 1-1๊ฐ•) Basic computer class for newbies
        • Assignment
          • [์„ ํƒ ๊ณผ์ œ 3] Maximum Likelihood Estimate
          • [์„ ํƒ ๊ณผ์ œ 2] Backpropagation
          • [์„ ํƒ ๊ณผ์ œ 1] Gradient Descent
          • [ํ•„์ˆ˜ ๊ณผ์ œ 5] Morsecode
          • [ํ•„์ˆ˜ ๊ณผ์ œ 4] Baseball
          • [ํ•„์ˆ˜ ๊ณผ์ œ 3] Text Processing 2
          • [ํ•„์ˆ˜ ๊ณผ์ œ 2] Text Processing 1
          • [ํ•„์ˆ˜ ๊ณผ์ œ 1] Basic Math
    • ๋”ฅ๋Ÿฌ๋‹ CNN ์™„๋ฒฝ ๊ฐ€์ด๋“œ - Fundamental ํŽธ
      • ์ข…ํ•ฉ ์‹ค์Šต 2 - ์บ๊ธ€ Plant Pathology(๋‚˜๋ฌด์žŽ ๋ณ‘ ์ง„๋‹จ) ๊ฒฝ์—ฐ ๋Œ€ํšŒ
      • ์ข…ํ•ฉ ์‹ค์Šต 1 - 120์ข…์˜ Dog Breed Identification ๋ชจ๋ธ ์ตœ์ ํ™”
      • ์‚ฌ์ „ ํ›ˆ๋ จ ๋ชจ๋ธ์˜ ๋ฏธ์„ธ ์กฐ์ • ํ•™์Šต๊ณผ ๋‹ค์–‘ํ•œ Learning Rate Scheduler์˜ ์ ์šฉ
      • Advanced CNN ๋ชจ๋ธ ํŒŒํ—ค์น˜๊ธฐ - ResNet ์ƒ์„ธ์™€ EfficientNet ๊ฐœ์š”
      • Advanced CNN ๋ชจ๋ธ ํŒŒํ—ค์น˜๊ธฐ - AlexNet, VGGNet, GoogLeNet
      • Albumentation์„ ์ด์šฉํ•œ Augmentation๊ธฐ๋ฒ•๊ณผ Keras Sequence ํ™œ์šฉํ•˜๊ธฐ
      • ์‚ฌ์ „ ํ›ˆ๋ จ CNN ๋ชจ๋ธ์˜ ํ™œ์šฉ๊ณผ Keras Generator ๋ฉ”์ปค๋‹ˆ์ฆ˜ ์ดํ•ด
      • ๋ฐ์ดํ„ฐ ์ฆ๊ฐ•์˜ ์ดํ•ด - Keras ImageDataGenerator ํ™œ์šฉ
      • CNN ๋ชจ๋ธ ๊ตฌํ˜„ ๋ฐ ์„ฑ๋Šฅ ํ–ฅ์ƒ ๊ธฐ๋ณธ ๊ธฐ๋ฒ• ์ ์šฉํ•˜๊ธฐ
    • AI School 1st
    • ํ˜„์—… ์‹ค๋ฌด์ž์—๊ฒŒ ๋ฐฐ์šฐ๋Š” Kaggle ๋จธ์‹ ๋Ÿฌ๋‹ ์ž…๋ฌธ
    • ํŒŒ์ด์ฌ ๋”ฅ๋Ÿฌ๋‹ ํŒŒ์ดํ† ์น˜
  • TIL : Python & Math
    • Do It! ์žฅ๊ณ +๋ถ€ํŠธ์ŠคํŠธ๋žฉ: ํŒŒ์ด์ฌ ์›น๊ฐœ๋ฐœ์˜ ์ •์„
      • Relations - ๋‹ค๋Œ€๋‹ค ๊ด€๊ณ„
      • Relations - ๋‹ค๋Œ€์ผ ๊ด€๊ณ„
      • ํ…œํ”Œ๋ฆฟ ํŒŒ์ผ ๋ชจ๋“ˆํ™” ํ•˜๊ธฐ
      • TDD (Test Driven Development)
      • template tags & ์กฐ๊ฑด๋ฌธ
      • ์ •์  ํŒŒ์ผ(static files) & ๋ฏธ๋””์–ด ํŒŒ์ผ(media files)
      • FBV (Function Based View)์™€ CBV (Class Based View)
      • Django ์ž…๋ฌธํ•˜๊ธฐ
      • ๋ถ€ํŠธ์ŠคํŠธ๋žฉ
      • ํ”„๋ก ํŠธ์—”๋“œ ๊ธฐ์ดˆ๋‹ค์ง€๊ธฐ (HTML, CSS, JS)
      • ๋“ค์–ด๊ฐ€๊ธฐ + ํ™˜๊ฒฝ์„ค์ •
    • Algorithm
      • Programmers
        • Level1
          • ์†Œ์ˆ˜ ๋งŒ๋“ค๊ธฐ
          • ์ˆซ์ž ๋ฌธ์ž์—ด๊ณผ ์˜๋‹จ์–ด
          • ์ž์—ฐ์ˆ˜ ๋’ค์ง‘์–ด ๋ฐฐ์—ด๋กœ ๋งŒ๋“ค๊ธฐ
          • ์ •์ˆ˜ ๋‚ด๋ฆผ์ฐจ์ˆœ์œผ๋กœ ๋ฐฐ์น˜ํ•˜๊ธฐ
          • ์ •์ˆ˜ ์ œ๊ณฑ๊ทผ ํŒ๋ณ„
          • ์ œ์ผ ์ž‘์€ ์ˆ˜ ์ œ๊ฑฐํ•˜๊ธฐ
          • ์ง์‚ฌ๊ฐํ˜• ๋ณ„์ฐ๊ธฐ
          • ์ง์ˆ˜์™€ ํ™€์ˆ˜
          • ์ฒด์œก๋ณต
          • ์ตœ๋Œ€๊ณต์•ฝ์ˆ˜์™€ ์ตœ์†Œ๊ณต๋ฐฐ์ˆ˜
          • ์ฝœ๋ผ์ธ  ์ถ”์ธก
          • ํฌ๋ ˆ์ธ ์ธํ˜•๋ฝ‘๊ธฐ ๊ฒŒ์ž„
          • ํ‚คํŒจ๋“œ ๋ˆ„๋ฅด๊ธฐ
          • ํ‰๊ท  ๊ตฌํ•˜๊ธฐ
          • ํฐ์ผ“๋ชฌ
          • ํ•˜์ƒค๋“œ ์ˆ˜
          • ํ•ธ๋“œํฐ ๋ฒˆํ˜ธ ๊ฐ€๋ฆฌ๊ธฐ
          • ํ–‰๋ ฌ์˜ ๋ง์…ˆ
        • Level2
          • ์ˆซ์ž์˜ ํ‘œํ˜„
          • ์ˆœ์œ„ ๊ฒ€์ƒ‰
          • ์ˆ˜์‹ ์ตœ๋Œ€ํ™”
          • ์†Œ์ˆ˜ ์ฐพ๊ธฐ
          • ์†Œ์ˆ˜ ๋งŒ๋“ค๊ธฐ
          • ์‚ผ๊ฐ ๋‹ฌํŒฝ์ด
          • ๋ฌธ์ž์—ด ์••์ถ•
          • ๋ฉ”๋‰ด ๋ฆฌ๋‰ด์–ผ
          • ๋” ๋งต๊ฒŒ
          • ๋•…๋”ฐ๋จน๊ธฐ
          • ๋ฉ€์ฉกํ•œ ์‚ฌ๊ฐํ˜•
          • ๊ด„ํ˜ธ ํšŒ์ „ํ•˜๊ธฐ
          • ๊ด„ํ˜ธ ๋ณ€ํ™˜
          • ๊ตฌ๋ช…๋ณดํŠธ
          • ๊ธฐ๋Šฅ ๊ฐœ๋ฐœ
          • ๋‰ด์Šค ํด๋Ÿฌ์Šคํ„ฐ๋ง
          • ๋‹ค๋ฆฌ๋ฅผ ์ง€๋‚˜๋Š” ํŠธ๋Ÿญ
          • ๋‹ค์Œ ํฐ ์ˆซ์ž
          • ๊ฒŒ์ž„ ๋งต ์ตœ๋‹จ๊ฑฐ๋ฆฌ
          • ๊ฑฐ๋ฆฌ๋‘๊ธฐ ํ™•์ธํ•˜๊ธฐ
          • ๊ฐ€์žฅ ํฐ ์ •์‚ฌ๊ฐํ˜• ์ฐพ๊ธฐ
          • H-Index
          • JadenCase ๋ฌธ์ž์—ด ๋งŒ๋“ค๊ธฐ
          • N๊ฐœ์˜ ์ตœ์†Œ๊ณต๋ฐฐ์ˆ˜
          • N์ง„์ˆ˜ ๊ฒŒ์ž„
          • ๊ฐ€์žฅ ํฐ ์ˆ˜
          • 124 ๋‚˜๋ผ์˜ ์ˆซ์ž
          • 2๊ฐœ ์ดํ•˜๋กœ ๋‹ค๋ฅธ ๋น„ํŠธ
          • [3์ฐจ] ํŒŒ์ผ๋ช… ์ •๋ ฌ
          • [3์ฐจ] ์••์ถ•
          • ์ค„ ์„œ๋Š” ๋ฐฉ๋ฒ•
          • [3์ฐจ] ๋ฐฉ๊ธˆ ๊ทธ๊ณก
          • ๊ฑฐ๋ฆฌ๋‘๊ธฐ ํ™•์ธํ•˜๊ธฐ
        • Level3
          • ๋งค์นญ ์ ์ˆ˜
          • ์™ธ๋ฒฝ ์ ๊ฒ€
          • ๊ธฐ์ง€๊ตญ ์„ค์น˜
          • ์ˆซ์ž ๊ฒŒ์ž„
          • 110 ์˜ฎ๊ธฐ๊ธฐ
          • ๊ด‘๊ณ  ์ œ๊ฑฐ
          • ๊ธธ ์ฐพ๊ธฐ ๊ฒŒ์ž„
          • ์…”ํ‹€๋ฒ„์Šค
          • ๋‹จ์†์นด๋ฉ”๋ผ
          • ํ‘œ ํŽธ์ง‘
          • N-Queen
          • ์ง•๊ฒ€๋‹ค๋ฆฌ ๊ฑด๋„ˆ๊ธฐ
          • ์ตœ๊ณ ์˜ ์ง‘ํ•ฉ
          • ํ•ฉ์Šน ํƒ์‹œ ์š”๊ธˆ
          • ๊ฑฐ์Šค๋ฆ„๋ˆ
          • ํ•˜๋…ธ์ด์˜ ํƒ‘
          • ๋ฉ€๋ฆฌ ๋›ฐ๊ธฐ
          • ๋ชจ๋‘ 0์œผ๋กœ ๋งŒ๋“ค๊ธฐ
        • Level4
    • Head First Python
    • ๋ฐ์ดํ„ฐ ๋ถ„์„์„ ์œ„ํ•œ SQL
    • ๋‹จ ๋‘ ์žฅ์˜ ๋ฌธ์„œ๋กœ ๋ฐ์ดํ„ฐ ๋ถ„์„๊ณผ ์‹œ๊ฐํ™” ๋ฝ€๊ฐœ๊ธฐ
    • Linear Algebra(Khan Academy)
    • ์ธ๊ณต์ง€๋Šฅ์„ ์œ„ํ•œ ์„ ํ˜•๋Œ€์ˆ˜
    • Statistics110
  • TIL : etc
    • [๋”ฐ๋ฐฐ๋Ÿฐ] Kubernetes
    • [๋”ฐ๋ฐฐ๋Ÿฐ] Docker
      • 2. ๋„์ปค ์„ค์น˜ ์‹ค์Šต 1 - ํ•™์ŠตํŽธ(์ค€๋น„๋ฌผ/์‹ค์Šต ์œ ํ˜• ์†Œ๊ฐœ)
      • 1. ์ปจํ…Œ์ด๋„ˆ์™€ ๋„์ปค์˜ ์ดํ•ด - ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์“ฐ๋Š”์ด์œ  / ์ผ๋ฐ˜ํ”„๋กœ๊ทธ๋žจ๊ณผ ์ปจํ…Œ์ด๋„ˆํ”„๋กœ๊ทธ๋žจ์˜ ์ฐจ์ด์ 
      • 0. ๋“œ๋””์–ด ์ฐพ์•„์˜จ Docker ๊ฐ•์˜! ์™•์ดˆ๋ณด์—์„œ ๋„์ปค ๋งˆ์Šคํ„ฐ๋กœ - OT
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  1. 2021 TIL
  2. JAN

26 Tue

[AI ์Šค์ฟจ 1๊ธฐ] 8์ฃผ์ฐจ DAY 2

Deep Learning: ์‹ ๊ฒฝ๋ง์˜ ๊ธฐ์ดˆ - ์‹ฌ์ธตํ•™์Šต๊ธฐ์ดˆ III

์˜์ƒ ๋ถ„๋ฅ˜

  • ๊ณผ๊ฑฐ์—๋Š” ๋งค์šฐ ์–ด๋ ต๊ณ  ๋„์ „์ ์ธ ๋ฌธ์ œ

  • ILSVRC

    • ImageNet Large Scale Visual Recognition Competition

  • CPVR

AlexNet

  • ๊ตฌ์กฐ

    • ์ปจ๋ณผ๋ฃจ์…˜์ธต 5๊ฐœ์™€ ์™„์ „ ์—ฐ๊ฒฐ์ธต 3๊ฐœ

      • ์ปจ๋ณผ๋ฃจ์…˜์ธต์€ 200๋งŒ๊ฐœ, FC์ธต์€ 6500๋งŒ๊ฐœ ๊ฐ€๋Ÿ‰์˜ ๋งค๊ฐœ๋ณ€์ˆ˜

      • ํ–ฅํ›„ CNN,์€ FC์ธต์˜ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ์ค„์ด๋Š” ๋ฐฉํ–ฅ์œผ๋กœ ๋ฐœ์ „

    • GPU์˜ ๋ฉ”๋ชจ๋ฆฌ ํฌ๊ธฐ ์ œํ•œ์œผ๋กœ ์ธํ•ด #1๊ณผ #2๋กœ ๋ถ„ํ•˜๋ž—์—ฌ ํ•™์Šต ์ˆ˜ํ–‰

  • ์„ฑ๊ณตํ•œ ์š”์ธ

    • ์™ธ์  ์š”์ธ

      • ImageNet์ด๋ผ๋Š” ๋Œ€๊ทœ๋ชจ ์‚ฌ์ „ ๋ฐ์ดํ„ฐ

      • GPU๋ฅผ ์‚ฌ์šฉํ•œ ๋ณ‘๋ ฌ ์ฒ˜๋ฆฌ

    • ๋‚ด์  ์š”์ธ

      • ํ™œ์„ฑํ•จ์ˆ˜๋กœ ReLU ์‚ฌ์šฉ

      • ์ง€์—ญ ๋ฐ˜์‘ ์ •๊ทœํ™” ๊ธฐ๋ฒ• ์ ์šฉ (์ง€๊ธˆ์€ ์‚ฌ์šฉํ•˜์ง€ ์•Š์Œ)

      • ๊ณผ์ž‰์ ํ•ฉ์„ ๋ฐฉ์ง€ํ•˜๋Š” ์—ฌ๋Ÿฌ ๊ทœ์ œ ๊ธฐ๋ฒ• ์ ์šฉ

        • ๋ฐ์ดํ„ฐ ํ™•๋Œ€ : ์ž˜๋ผ๋‚ด๊ธฐ์™€ ๋ฐ˜์ „์œผ๋กœ 2048๋ฐฐ ํ™•๋Œ€

        • ๋“œ๋กญ์•„์›ƒ : ์™„์ „ ์—ฐ๊ฒฐ์ธต์—์„œ ์‚ฌ์šฉ

    • ํ…Œ์ŠคํŠธ ๋‹จ๊ณ„์—์„œ ์•™์ƒ๋ธ” ์ ์šฉ

VGGNet

  • ํ•ต์‹ฌ ์•„์ด๋””์–ด

    • 3*3์˜ ์ž‘์€ ์ปค๋„์„ ์‚ฌ์šฉ

    • ์‹ ๊ฒฝ๋ง์„ ๋”์šฑ ๊นŠ๊ฒŒ ๋งŒ๋“ฆ

    • ์ปจ๋ณผ๋ฃจ์…˜์ธต 8~16๊ฐœ๋ฅผ ๋‘์—ˆ์Œ

      • AlexNet์˜ 5๊ฐœ์— ๋น„ํ•ด 2~3๋ฐฐ ๊นŠ์–ด์ง

    • 16์ธต์งœ๋ฆฌ VGG-16 : CONV 13 + FC 3

  • ์ž‘์€ ์ปค๋„์˜ ์ด์ 

    • ํฐ ํฌ๊ธฐ์˜ ์ปค๋„์€ ๊ฒฐ๊ตญ ์—ฌ๋Ÿฌ ๊ฐœ์˜ ์ž‘์€ ํฌ๊ธฐ ์ปค๋„๋กœ ๋ถ„ํ•ด๋  ์ˆ˜ ์žˆ์Œ

    • ๋งค๊ฐœ๋ณ€์ˆ˜๋Š” ์ค„์ด๋ฉด์„œ ์‹ ๊ฒฝ๋ง์€ ๊นŠ์–ด์ง€๋Š” ํšจ๊ณผ

  • 1*1 ์ปค๋„

    • ์‹ค์ œ๋กœ ์ ์šฉ์€ ๊ตฌ๊ธ€๋„ท์—์„œ ์ด๋ฃจ์–ด์ง

    • ์ฐจ์› ํ†ตํ•ฉ

    • ์ฐจ์› ์ถ•์†Œ ํšจ๊ณผ => ์—ฐ์‚ฐ๋Ÿ‰ ๊ฐ์†Œ

GoogLeNet

  • ๊ตฌ๊ธ€์—์„œ ๋งŒ๋“ฆ

  • ํ•ต์‹ฌ์€ ์ธ์…‰์…˜ ๋ชจ๋“ˆ

    • ์ˆ˜์šฉ์žฅ(์ž…๋ ฅ)์˜ ๋‹ค์–‘ํ•œ ํŠน์ง•์„ ์ถ”์ถœํ•˜๊ธฐ ์œ„ํ•ด NIN์˜ ๊ตฌ์กฐ๋ฅผ ํ™•์žฅํ•˜์—ฌ ๋ณต์ˆ˜์˜ ๋ณ‘๋ ฌ์ ์ธ ์ปจ๋ณผ๋ฃจ์…˜ ์ธต์„ ๊ฐ€์ง

  • NIN ๊ตฌ์กฐ

    • ๊ธฐ์กด ์ปจ๋ณผ๋ฃจ์…˜ ์—ฐ์‚ฐ์„ MLPConv ์—ฐ์‚ฐ์œผ๋กœ ๋Œ€์ฒด

      • ์ปค๋„ ๋Œ€์‹  ๋น„์„ ํ˜• ํ•จ์ˆ˜๋ฅผ ํ™ฉ์„ฌํ•จ์ˆ˜๋กœ ํฌํ•จํ•˜๋Š” MLP๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ํŠน์ง• ์ถ”์ถœ์ด ์œ ๋ฆฌํ•จ

    • ์‹ ๊ฒฝ๋ง์˜ ๋ฏธ์†Œ ์‹ ๊ฒฝ๋ง์ด ์ฃผ์–ด์ง„ ์ˆ˜์šฉ์žฅ์˜ ํŠน์ง•์„ ์ถ”์ƒํ™” ์‹œ๋„

    • ์ „์—ญ ํ‰๊ท  ํ’€๋ง ์‚ฌ์šฉ

  • ๊ตฌ๊ธ€๋„ท์€ NIN ๊ฐœ๋…์„ ํ™•์žฅํ•œ ์‹ ๊ฒฝ๋ง

    • ๋„ค ์ข…๋ฅ˜์˜ ์ปจ๋ณผ๋ฃจ์…˜ ์—ฐ์‚ฐ์„ ์‚ฌ์šฉ

    • ๋‹ค์–‘ํ•œ ํŠน์ง•๋“ค์„ ์ถ”์ถœ

  • ์ธ์…‰์…˜ ๋ชจ๋“ˆ์„ 9๊ฐœ ๊ฒฐํ•ฉํ–ˆ์Œ

    • ๋งค๊ฐœ๋ณ€์ˆ˜๊ฐ€ ์žˆ๋Š” ์ธต 22๊ฐœ

    • ์—†๋Š” ์ธต (ํ’€๋ง) 5๊ฐœ

    • ์ด 27๊ฐœ ์ธต

    • ์™„์ „ ์—ฐ๊ฒฐ์ธต์€ 1๊ฐœ์— ๋ถˆ๊ณผ

    • ๋ณด์กฐ ๋ถ„๋ฅ˜๊ธฐ

      • ์› ๋ถ„๋ฅ˜๊ธฐ์˜ ์˜ค๋ฅ˜ ์—ญ์ „ํŒŒ์˜ ๊ฒฐ๊ณผ์™€ ๋ณด์กฐ ๋ถ„๋ฅ˜๊ธฐ์˜ ์˜ค๋ฅ˜ ์—ญ์ „ํŒŒ ๊ฒฐ๊ณผ๋ฅผ ๊ฒฐํ•ฉํ•˜์—ฌ ๊ฒฝ์‚ฌ ์†Œ๋ฉธ ๋ฌธ์ œ ์™„ํ™”

      • ํ•™์Šตํ•  ๋•Œ ๋„์šฐ๋ฏธ ์—ญํ• , ์ถ”๋ก ํ•  ๋•Œ๋Š” ์ œ๊ฑฐ๋จ

ResNet

  • ์ž”๋ฅ˜(์ž”์ฐจ) ํ•™์Šต์ด๋ผ๋Š” ๊ฐœ๋…์„ ์ด์šฉํ•ด์„œ ์„ฑ๋Šฅ ์ €ํ•˜๋ฅผ ํ”ผํ•˜๋ฉด์„œ ์ธต ์ˆ˜๋ฅผ ๋Œ€ํญ ๋Š˜๋ฆผ

  • ์‹ค์ œ๋กœ ๊ฐ€์ค‘์น˜๋ฅผ ๊ฐฑ์‹ ํ•  ๋•Œ๋Š” W' = W + d ์™€ ๊ฐ™์ด ์ด๋ฃจ์–ด์ง€๋Š”๋ฐ ์ด ๋•Œ W' ์ „์ฒด๋ฅผ ํ•™์Šตํ•˜๊ธฐ ๋ณด๋‹ค๋Š” d๋งŒ์„ ํ•™์Šต์‹œํ‚ค๋ ค๊ณ  ํ•˜๋Š” ๊ฒƒ

    • d = W' - W

  • ์ง€๋ฆ„๊ธธ ์—ฐ๊ฒฐ์„ ๋‘๋Š” ์ด์œ 

    • ๊นŠ์€ ์‹ ๊ฒฝ๋ง๋„ ์ตœ์ ํ™”๊ฐ€ ๊ฐ€๋Šฅํ•ด์ง

  • VGGNet๊ณผ ๊ฐ™์€ ์ 

    • 3*3 ์ปค๋„ ์‚ฌ์šฉ

  • VGGNet๊ณผ ๋‹ค๋ฅธ ์ 

    • ์ž”๋ฅ˜ ํ•™์Šต ์‚ฌ์šฉ

    • ์ „์—ญ ํ‰๊ท  ํ’€๋ง ์‚ฌ์šฉ => FC ์ธต ์ œ๊ฑฐ

    • ๋ฐฐ์น˜ ์ •๊ทœํ™” ์ ์šฉ

์ƒ์„ฑ๋ชจ๋ธ

  • ๋ถ„๋ณ„ ๋ชจ๋ธ์€ X๊ฐ€ ์žˆ์„ ๋•Œ Y๋ฅผ ์ถ”์ •ํ•˜๋Š” ์ผ

  • ์ƒ์„ฑ ๋ชจ๋ธ์€

    • Y๊ฐ€ ์žˆ์„ ๋•Œ X๋ฅผ ์ถ”์ •ํ•˜๋Š” ์ผ

    • X๋ฅผ ์ถ”์ •ํ•˜๋Š” ์ผ

    • X์™€ Y๊ฐ€ ๊ณตํ†ต์ ์œผ๋กœ ๋ฐœํ˜„๋˜๋Š” ๊ฒƒ์„ ์ถ”์ •ํ•˜๋Š” ์ผ

  • ํ˜„์‹ค์— ๋‚ด์žฌํ•œ ๋ฐ์ดํ„ฐ ๋ฐœ์ƒ ๋ถ„ํฌ๋ฅผ ์•Œ์•„๋‚ผ์ˆ˜๊ฐ€ ์—†์Œ

    • ๋ชจ๋ธ๊ณผ ๊ฐ€์„ค์„ ํ†ตํ•ด ์ถ”์ •

    • ๋ช…์‹œ์ ์œผ๋กœ ์ถ”์ •ํ•˜๋Š” ๊ฒƒ๋„ ์–ด๋ ค์›€ => ์•”์‹œ์ ์œผ๋กœ ํ‘œํ˜„

GAN์˜ ํ•ต์‹ฌ

  • ์ƒ์„ฑ๊ธฐ G์™€ ๋ถ„๋ณ„๊ธฐ D์˜ ๋Œ€๋ฆฝ๊ตฌ๋„

  • G๋Š” ๊ฐ€์งœ ์ƒ˜ํ”Œ ์ƒ์„ฑ (์œ„์กฐ์ง€ํ๋ฒ”)

  • D๋Š” ๊ฐ€์งœ์™€ ์ง„์งœ๋ฅผ ๊ตฌ๋ณ„ (๊ฒฝ์ฐฐ)

  • GAN์˜ ๋ชฉํ‘œ๋Š” G์˜ ์Šน๋ฆฌ

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