Research Article
PPANet: Point-Wise Pyramid Attention Network for Semantic Segmentation
Table 1
The PPANet network architecture.
| | Input | Stage | Type | Stride | Output size | | | | |
| | Encoder | Stage 1 | Squeeze-nbt unit
Squeeze-nbt unit | 2
1 |
| | Stage 2 | Squeeze-nbt unit
Squeeze-nbt unit | 2
1 |
| | Stage 3 | Squeeze-nbt unit
Squeeze-nbt unit | 2
1 |
| | Stage 4 | Squeeze-nbt unit
Squeeze-nbt unit | 2
1 |
|
| | Decoder | Centre | PPA module | | | | Dec 1 | Upsampling unit | — | | | Dec 2 | Upsampling unit | — | | | Dec 3 | Upsampling unit | — | |
| | Final | Conv | 1 | |
|
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