API¶
Functions¶
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Function to compute greedy svd. |
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Compute threshold values corresponding to a given purity. |
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Compute the cube of GLR test values with the given PSF and dictionary of spectral profiles. |
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Add TGLR and STD detection statistics to the source and line table. |
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Compute segmentation map using photutils. |
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Compute the local maxima of the maximum correlation and local maxima of minus the minimum correlation distribution. |
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Compute segmentation map from an image, using gaussian statistics. |
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Compute a threshold with a gaussian fit of a distribution. |
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Compute the true purity using a reference catalog. |
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Create and save a MPDAF source file for each source. |
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Create the mask of each source. |
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Create a MPDAF source. |
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Compute the estimated emission line and the optimal coordinates for each detected lines in a spatio-spectral grid. |
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Generate a mask for the source segmenting the detection cube. |
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Merge and flag possibily duplicated lines. |
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Function to compute the estimated purity for each line. |
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Compute indices to split spatially in NbSubcube x NbSubcube regions. |
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Perform the spatial and spatio spectral merging. |
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Return unique source positions in table. |
Classes¶
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Clean the various results. |
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Loop on each area and compute the greedy PCA. |
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Loop on each area and estimate the threshold for the PCA. |
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Find the threshold for a given purity. |
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Compute the estimated emission line and the optimal coordinates. |
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Compute the cube of GLR test values. |
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Creation of areas to split the work. |
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Create source masks and sky masks. |
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Detections on local maxima from correlation and std cube, and spatial-spectral merging in order to create the first catalog. |
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ORIGIN: detectiOn and extRactIon of Galaxy emIssion liNes |
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Preparation of the data for the following steps: |
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Create the source file for each source. |
Step processing status. |
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Define a processing step. |