lsst.meas.deblender

The lsst.meas.deblender module provides source deblending algorithms.

Task reference

Tasks

SourceDeblendTask

Split blended sources into individual sources.

Contributing

lsst.meas.deblender is developed at https://github.com/lsst/meas_deblender. You can find Jira issues for this module under the meas_deblender component.

Python API reference

lsst.meas.deblender Package

Functions

apportionFlux(debResult, log[, ...])

Apportion flux to all of the peak templates in each filter

buildSymmetricTemplates(debResult, log[, ...])

Build a symmetric template for each peak in each filter

clipFootprintsToNonzero(debResult, log)

Clip non-zero spans in the template footprints for every peak in each filter.

deblend(footprint, maskedImage, psf, psffwhm)

Deblend a parent Footprint in a MaskedImageF.

fitPsfs(debResult, log[, psfChisqCut1, ...])

Fit a PSF + smooth background model (linear) to a small region around each peak.

makeTemplatesMonotonic(debResult, log)

Make the templates monotonic.

medianSmoothTemplates(debResult, log[, ...])

Applying median smoothing filter to the template images for every peak in every filter.

newDeblend(debPlugins, footprint, ...[, ...])

Deblend a parent Footprint in a MaskedImageF.

rampFluxAtEdge(debResult, log[, patchEdges])

Adjust flux on the edges of the template footprints.

reconstructTemplates(debResult, log[, ...])

Remove "degenerate templates"

weightTemplates(debResult, log)

Weight the templates to best fit the observed image in each filter

Classes

BaselineUtilsF

CachingPsf(psf)

Cache the PSF models

DeblendedParent(filterName, footprint, ...)

Deblender result of a single parent footprint, in a single band

DeblendedPeak(peak, pki, parent[, ...])

Result of deblending a single Peak within a parent Footprint.

DeblenderPlugin(func[, onReset, maxIterations])

Class to define plugins for the deblender.

DeblenderResult(footprint, mMaskedImage, ...)

Collection of objects in multiple bands for a single parent footprint.

MultiColorPeak(peaks, pki, parent)

Collection of single peak deblender results in multiple bands.

SourceDeblendConfig(*args, **kw)

SourceDeblendTask(schema[, peakSchema])

Split blended sources into individual sources.

Class Inheritance Diagram

Inheritance diagram of lsst.meas.deblender.baselineUtils.BaselineUtilsF, lsst.meas.deblender.baseline.CachingPsf, lsst.meas.deblender.baseline.DeblendedParent, lsst.meas.deblender.baseline.DeblendedPeak, lsst.meas.deblender.plugins.DeblenderPlugin, lsst.meas.deblender.baseline.DeblenderResult, lsst.meas.deblender.baseline.MultiColorPeak, lsst.meas.deblender.sourceDeblendTask.SourceDeblendConfig, lsst.meas.deblender.sourceDeblendTask.SourceDeblendTask

lsst.meas.deblender.baseline Module

Functions

deblend(footprint, maskedImage, psf, psffwhm)

Deblend a parent Footprint in a MaskedImageF.

newDeblend(debPlugins, footprint, ...[, ...])

Deblend a parent Footprint in a MaskedImageF.

Classes

DeblenderResult(footprint, mMaskedImage, ...)

Collection of objects in multiple bands for a single parent footprint.

DeblendedParent(filterName, footprint, ...)

Deblender result of a single parent footprint, in a single band

MultiColorPeak(peaks, pki, parent)

Collection of single peak deblender results in multiple bands.

DeblendedPeak(peak, pki, parent[, ...])

Result of deblending a single Peak within a parent Footprint.

CachingPsf(psf)

Cache the PSF models

Class Inheritance Diagram

Inheritance diagram of lsst.meas.deblender.baseline.DeblenderResult, lsst.meas.deblender.baseline.DeblendedParent, lsst.meas.deblender.baseline.MultiColorPeak, lsst.meas.deblender.baseline.DeblendedPeak, lsst.meas.deblender.baseline.CachingPsf