lsst.scarlet.lite.component Namespace Reference

Classes
class	Component
class	FactorizedComponent

Functions
	default_fista_parameterization (Component component)
	default_adaprox_parameterization (Component component, float|None noise_rms=None)

Function Documentation

default_adaprox_parameterization()

lsst.scarlet.lite.component.default_adaprox_parameterization	(	Component	component,
		float | None	noise_rms = None )

Initialize a factorized component to use Proximal ADAM
for optimization

Definition at line 408 of file component.py.

def default_adaprox_parameterization(component: Component, noise_rms: float | None = None):
    """Initialize a factorized component to use Proximal ADAM
    for optimization
    """
    if noise_rms is None:
        noise_rms = 1e-16
    if isinstance(component, FactorizedComponent):
        component._spectrum = AdaproxParameter(
            component.spectrum,
            step=partial(relative_step, factor=1e-2, minimum=noise_rms),
        )
        component._morph = AdaproxParameter(
            component.morph,
            step=1e-2,
        )
    else:
        raise NotImplementedError(f"Unrecognized component type {component}")

default_fista_parameterization()

lsst.scarlet.lite.component.default_fista_parameterization

(

Component

component

)

Initialize a factorized component to use FISTA PGM for optimization

Definition at line 399 of file component.py.

def default_fista_parameterization(component: Component):
    """Initialize a factorized component to use FISTA PGM for optimization"""
    if isinstance(component, FactorizedComponent):
        component._spectrum = FistaParameter(component.spectrum, step=0.5)
        component._morph = FistaParameter(component.morph, step=0.5)
    else:
        raise NotImplementedError(f"Unrecognized component type {component}")