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MinMaxNorm weight constraint.
Inherits From: Constraint
tf.keras.constraints.MinMaxNorm(
min_value=0.0, max_value=1.0, rate=1.0, axis=0
)
Constrains the weights incident to each hidden unit to have the norm between a lower bound and an upper bound.
min_value
: the minimum norm for the incoming weights.max_value
: the maximum norm for the incoming weights.rate
: rate for enforcing the constraint: weights will be
rescaled to yield
(1 - rate) * norm + rate * norm.clip(min_value, max_value)
.
Effectively, this means that rate=1.0 stands for strict
enforcement of the constraint, while rate<1.0 means that
weights will be rescaled at each step to slowly move
towards a value inside the desired interval.axis
: integer, axis along which to calculate weight norms.
For instance, in a Dense
layer the weight matrix
has shape (input_dim, output_dim)
,
set axis
to 0
to constrain each weight vector
of length (input_dim,)
.
In a Conv2D
layer with data_format="channels_last"
,
the weight tensor has shape
(rows, cols, input_depth, output_depth)
,
set axis
to [0, 1, 2]
to constrain the weights of each filter tensor of size
(rows, cols, input_depth)
.__call__
__call__(
w
)
Call self as a function.
get_config
get_config()