54 lines
1.4 KiB
Python
54 lines
1.4 KiB
Python
DYNAMIC_RANGE = [18, 14, 14, 14]
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DYNAMIC_RANGE_XL = [20, 16, 16]
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def normalize_tensor(x, r):
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ratio = r / max(abs(float(x.min())), abs(float(x.max())))
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return x * max(ratio, 0.99)
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def clone_latent(latent):
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return {"samples": latent["samples"].detach().clone()}
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class Normalization:
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@classmethod
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def INPUT_TYPES(s):
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return {"required": {"latent": ("LATENT",)}}
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RETURN_TYPES = ("LATENT",)
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FUNCTION = "normalize"
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CATEGORY = "latent"
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def normalize(self, latent):
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norm_latent = clone_latent(latent)
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batches = latent["samples"].size(0)
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for b in range(batches):
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for c in range(4):
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norm_latent["samples"][b][c] = normalize_tensor(
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norm_latent["samples"][b][c], DYNAMIC_RANGE[c]
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)
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return (norm_latent,)
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class NormalizationXL:
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@classmethod
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def INPUT_TYPES(s):
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return {"required": {"latent": ("LATENT",)}}
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RETURN_TYPES = ("LATENT",)
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FUNCTION = "normalize"
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CATEGORY = "latent"
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def normalize(self, latent):
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norm_latent = clone_latent(latent)
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batches = latent["samples"].size(0)
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for b in range(batches):
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for c in range(3):
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norm_latent["samples"][b][c] = normalize_tensor(
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norm_latent["samples"][b][c], DYNAMIC_RANGE_XL[c]
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)
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return (norm_latent,)
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