Encyclopedia · 176 concepts

Architectures · intermediate · concept 60 of 176

Residual Connections & ResNet

A shortcut that adds a layer's input to its output, letting gradients flow through very deep networks instead of vanishing. ResNet used it to jump from 20-layer to 150-layer networks in 2015, and every transformer block since is built around the same skip connection.

Key terms

Skip connectionIdentity mappingVanishing gradientsDeep networksResNet

Where you meet it in the real world

Inside every modern architecture: CNNs, transformers, diffusion U-Nets, all of them