The key features of the decoder module are as follows:
1 x 1 convolution is used to reduce the channels of the low-level feature map from the encoder module.
3 x 3 convolution is used to obtain sharper segmentation results.
Upsampling by 4.
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.