Table 1 Feature Map Details of Lung_PAYNet.

From: Lung_PAYNet: a pyramidal attention based deep learning network for lung nodule segmentation

Level

Operator

Feature map

Level 1

Encoder block 1

64 × 64 × 32

Maxpooling layer 1

32 × 32 × 32

Level 2

Encoder block 2

32 × 32 × 64

Maxpooling layer 2

16 × 16 × 64

Level 3

Pyramidal attention block

16 × 16 × 64

Level 4

Upsampling layer 1

32 × 32 × 64

Concatenation

32 × 32 × 128

Decoder block 1

32 × 32 × 64

Level 5

Upsampling layer 2

64 × 64 × 32

Concatenation

64 × 64 × 64

Decoder block 2

64 × 64 × 32

Level 6

Convolutional layer (1 × 1)

64 × 64 × 1