---
tags:
- ai
- media
# [Un-Supervised](../../Learning.md#Un-Supervised)
- Auto-encoder FCN
- Learns bottleneck (latent) representation
- Information rich
- $f(.)$ is CNN encoding function
![](../../../img/unsup-representation-learning.png)
# [Supervised](../../Learning.md#Supervised)
- Triplet loss
- Providing positive and negative requires supervision
- Two losses
![](../../../img/sup-representation-learning.png)