A little confusion about the linear layer in the decoder

[zaneoo]

Hi, thank you for sharing such an excellent work. But there is one detail that makes me curious and confused. When the first layer feature of the encoder passes through the linear layer of the decoder, why the number of output channels is adjusted to the special 48 and not other sizes?

[yan-hao-tian]

Mainly for efficiency. DeepLabV3+ also uses similar setting.