LSSTApplications
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LSSTDataManagementBasePackage
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#include <ImagePca.h>
Public Types | |
typedef std::vector< std::shared_ptr< ImageT > > | ImageList |
Public Member Functions | |
PsfImagePca (bool constantWeight=true, int border=3) | |
Ctor. More... | |
virtual void | analyze () |
Generate eigenimages that are normalised and background-subtracted. More... | |
void | addImage (std::shared_ptr< ImageT > img, double flux=0.0) |
Add an image to the set to be analyzed. More... | |
ImageList | getImageList () const |
Return the list of images being analyzed. More... | |
lsst::geom::Extent2I const | getDimensions () const |
Return the dimension of the images being analyzed. More... | |
std::shared_ptr< ImageT > | getMean () const |
Return the mean of the images in ImagePca's list. More... | |
virtual double | updateBadPixels (unsigned long mask, int const ncomp) |
Update the bad pixels (i.e. More... | |
std::vector< double > const & | getEigenValues () const |
Return Eigen values. More... | |
ImageList const & | getEigenImages () const |
Return Eigen images. More... | |
Definition at line 45 of file ImagePca.h.
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inherited |
Definition at line 48 of file ImagePca.h.
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inlineexplicit |
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inherited |
Add an image to the set to be analyzed.
img | Image to add to set |
flux | Image's flux |
lsst::pex::exceptions::LengthError | if all the images aren't the same size |
Definition at line 65 of file ImagePca.cc.
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virtual |
Generate eigenimages that are normalised and background-subtracted.
The background subtraction ensures PSF variation doesn't couple with small background errors.
Reimplemented from lsst::afw::image::ImagePca< ImageT >.
Definition at line 41 of file ImagePca.cc.
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inlineinherited |
Return the dimension of the images being analyzed.
Definition at line 76 of file ImagePca.h.
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inlineinherited |
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inlineinherited |
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inherited |
Return the list of images being analyzed.
Definition at line 86 of file ImagePca.cc.
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inherited |
Return the mean of the images in ImagePca's list.
Definition at line 91 of file ImagePca.cc.
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virtualinherited |
Update the bad pixels (i.e.
those for which (value & mask) != 0) based on the current PCA decomposition; if none is available, use the mean of the good pixels
mask | Mask defining bad pixels |
ncomp | Number of components to use in estimate |
N.b. the work is actually done in do_updateBadPixels as the code only makes sense and compiles when we are doing a PCA on a set of MaskedImages
Definition at line 387 of file ImagePca.cc.