#aspp

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mediumAI-checkedSegmentation

What does atrous spatial pyramid pooling (ASPP) in DeepLab do?

It runs parallel atrous convolutions with different rates on one feature map and fuses them1
It runs the whole network on several rescaled copies of the image and keeps the strongest response2
It replaces every pooling layer by an atrous convolution with rate 2 to keep the full resolution3
It upsamples the score map with learned transposed convolutions at several scales4

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