Table 2 Architectures of the discriminators used in the network model: (a) Local Discriminator, (b) Global Discriminator, and (c) Concatenation Layer

(a) Local Discriminator

Conv

5 × 5

2 × 2

64

Conv

5 × 5

2 × 2

128

Conv

5 × 5

2 × 2

256

Conv

5 × 5

2 × 2

512

Conv

5 × 5

2 × 2

512

FC

–

–

1024

(b) Global Discriminator

Conv

5 × 5

2 × 2

64

Conv

5 × 5

2 × 2

128

Conv

5 × 5

2 × 2

256

Conv

5 × 5

2 × 2

512

Conv

5 × 5

2 × 2

512

Conv

5 × 5

2 × 2

512

FC

–

–

1024

(c) Concatenation Layer

Conv

–

–

2048

FC

–

–

1