Commit c231b324 authored by Martin Reinecke's avatar Martin Reinecke
Browse files

add PoissonEnergy

parent 735b0dd7
......@@ -3,4 +3,5 @@ from .wiener_filter_curvature import WienerFilterCurvature
from .noise_energy import NoiseEnergy
from .nonlinear_power_energy import NonlinearPowerEnergy
from .nonlinear_wiener_filter_energy import NonlinearWienerFilterEnergy
from .poisson_energy import PoissonEnergy
from .nonlinearities import Exponential, Linear, Tanh, PositiveTanh
......@@ -20,7 +20,7 @@ from ..minimization.quadratic_energy import QuadraticEnergy
from .wiener_filter_curvature import WienerFilterCurvature
def WienerFilterEnergy(position, d, R, N, S, inverter):
def WienerFilterEnergy(position, d, R, N, S, inverter=None):
"""The Energy for the Wiener filter.
It covers the case of linear measurement with
......@@ -39,8 +39,9 @@ def WienerFilterEnergy(position, d, R, N, S, inverter):
The noise covariance in data space.
S : EndomorphicOperator
The prior signal covariance in harmonic space.
inverter : Minimizer
inverter : Minimizer, optional
the minimization strategy to use for operator inversion
If None, the energy object will not support curvature computation.
op = WienerFilterCurvature(R, N, S, inverter)
vec = R.adjoint_times(N.inverse_times(d))
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