FCN, UNet, FPN comparison

The three all seem to have “downsampling and then upsampling” idea at the core. But what are the differences? Which one is the correct one to coin when referencing the “downsampling + upsampling” idea? Fully Convolutional Network(FCN) submitted: 2014.11.14https://arxiv.org/pdf/1411.4038.pdf remove any dense(fully connected) layers and only use convolution layers. downsampling Read more…