| 49 | |
| 50 | |
| 51 | class Intensity(nn.Module): |
| 52 | def __init__(self, scale): |
| 53 | super().__init__() |
| 54 | self.scale = scale |
| 55 | |
| 56 | def forward(self, x): |
| 57 | r = torch.randn((x.size(0), 1, 1, 1), device=x.device) |
| 58 | noise = 1.0 + (self.scale * r.clamp(-2.0, 2.0)) |
| 59 | return x * noise |