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Make mask key configurable. #225

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merged 1 commit into from
Oct 7, 2023
Merged

Make mask key configurable. #225

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6 changes: 5 additions & 1 deletion mart/attack/enforcer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -83,10 +83,14 @@ def verify(self, input_adv, *, input, target):


class Mask(Constraint):
def __init__(self, key="perturbable_mask"):
super().__init__()
self.key = key

def verify(self, input_adv, *, input, target):
# True/1 is mutable, False/0 is immutable.
# mask.shape=(H, W)
mask = target["perturbable_mask"]
mask = target[self.key]

# Immutable boolean mask, True is immutable.
imt_mask = (1 - mask).bool()
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6 changes: 5 additions & 1 deletion mart/attack/projector.py
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Expand Up @@ -154,9 +154,13 @@ def project_(self, perturbation, *, input, target):


class Mask(Projector):
def __init__(self, key="perturbable_mask"):
super().__init__()
self.key = key

@torch.no_grad()
def project_(self, perturbation, *, input, target):
perturbation.mul_(target["perturbable_mask"])
perturbation.mul_(target[self.key])

def __repr__(self):
return f"{self.__class__.__name__}()"
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