无监督学习
TensorFlow2教程完整教程目录（更有python、go、pytorch、tensorflow、爬虫、人工智能教学等着你）：https://www.cnblogs.com/nickchen121/p/10840284.html
Supervised Learning
Massive Unlabeled data
Unsupervised Learning
Why needed
- Dimension reduction
- Preprocessing:Huge dimension, say 224*224, is hard to process
- Visualization:https://projector.tensorflow.org/
- Taking advantages of unsupervised data
- Compression, denoising, super-resolution...
