stem/AI/Neural Networks/CNN/FCN/FlowNet.md
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Optical Flow
- 2-Channel optical flow
- $dx,dy$
- Two consecutive frames
- 6-channel [tensor](../../../../Maths/Tensor.md)
![flownet](../../../../img/flownet.png)
# [[Skip Connections]]
- Further through the network information is condensed
- Less high frequency information
- Link encoder layers to [[upconv]] layers
- Append activation maps from encoder to decoder
# Encode
![flownet-encode](../../../../img/flownet-encode.png)
# [[Upconv]]
![flownet-upconv](../../../../img/flownet-upconv.png)
# Training
- Synthetic rendered objects
- Real background images
![flownet-training](../../../../img/flownet-training.png)