def project_params(self, lp, lp_bound):
""" Projects the params to be within lp_bound (according to an lp)
of the identity map. First thing we do is clip the params to be
valid, too
ARGS:
lp : int or 'inf' - which LP norm we use. Must be an int or the
string 'inf'
lp_bound : float - how far we're allowed to go in LP land
RETURNS:
None, but modifies self.xform_params
"""
assert isinstance(lp, int) or lp == 'inf'
diff = self.xform_params.data
new_diff = utils.batchwise_lp_project(diff, lp, lp_bound)
self.xform_params.data.add_(new_diff - diff)
def constrain_params(self):
new_delta = utils.batchwise_lp_project(self.delta.data, self.lp_style,
self.lp_bound)
delta_diff = new_delta - self.delta.data
self.delta.data.add_(delta_diff)
def project_params(self, lp, lp_bound):
assert isinstance(lp, int) or lp == 'inf'
diff = self.xform_params.data - self.identity_params(self.img_shape)
new_diff = utils.batchwise_lp_project(diff, lp, lp_bound)
self.xform_params.data.add_(new_diff - diff)
