Expand description
Self-Supervised Learning Pretext Tasks.
Pretext tasks generate labels from data itself for representation learning.
§Tasks
- Masked Token Prediction (MLM-style)
- Rotation Prediction
- Contrastive Instance Discrimination
- Jigsaw Puzzle
Structs§
- BYOL
- BYOL (Bootstrap Your Own Latent) framework (Grill et al., 2020).
- Contrastive
Task - Contrastive Instance Discrimination.
- Jigsaw
Puzzle - Jigsaw Puzzle task - shuffle patches and predict permutation.
- Masked
Prediction - Masked Token Prediction task. Randomly masks tokens and predicts the original values.
- MoCo
MoCo(Momentum Contrast) framework (He et al., 2020).- Rotation
Prediction - Rotation Prediction for images (0°, 90°, 180°, 270°).
- SimCLR
SimCLRframework (Chen et al., 2020).- SimCSE
SimCSEfor text embeddings (Gao et al., 2021).