Add signal_correction_noise_scale to config to scale the signal correction strength

jobs/process/BaseSDTrainProcess.py

@@ -1312,7 +1312,7 @@ class BaseSDTrainProcess(BaseTrainProcess):
                         batch_noise.shape[0], batch_noise.shape[1], 1, 1,
                         device=batch_noise.device, 
                         dtype=batch_noise.dtype
-                    )
+                    ) * self.train_config.signal_correction_noise_scale
                     batch_noise = batch_noise * scn_scale
                     noise = noise + batch_noise 
                 

toolkit/config_modules.py

@@ -398,6 +398,7 @@ class TrainConfig:
         self.target_noise_multiplier = kwargs.get('target_noise_multiplier', 1.0)
         self.random_noise_multiplier = kwargs.get('random_noise_multiplier', 0.0)
         self.do_signal_correction_noise = kwargs.get('do_signal_correction_noise', False)
+        self.signal_correction_noise_scale = kwargs.get('signal_correction_noise_scale', 1.0)
         self.random_noise_shift = kwargs.get('random_noise_shift', 0.0)
         self.img_multiplier = kwargs.get('img_multiplier', 1.0)
         self.noisy_latent_multiplier = kwargs.get('noisy_latent_multiplier', 1.0)