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Copy file name to clipboardExpand all lines: docs/localize.rst
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@@ -11,7 +11,15 @@ Localize allows performing super-resolution reconstruction of image stacks. For
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- LQ, Gaussian (least squares)
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- Average of ROI (finds summed intensity of spots)
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**Please note:** Picasso Localize supports five file formats: ``.ome.tif``, ``NDTiffStack`` with extension ``.tif``, ``.raw``, ``.ims`` and ``.nd2``. If your file has the extension ``.tiff`` or ``.ome.tiff``, it cannot be read. Usually it is enough to change the extension to ``.ome.tif``, i.e., remove the last letter.
Copy file name to clipboardExpand all lines: docs/render.rst
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@@ -97,7 +97,7 @@ To account for fluorophore non-specific sticking, frame analysis is normally rec
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The final postprocessing step is log-likelihood filtering (using the column ``p_val``). The recommended threshold is ``> 0.0015``, however, it might need to be adjusted for your data, especially in 3D this can be too conservative.
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As a final check for overfitting (i.e., too many assigned molecules), G5M automatically saves a bar plot of the number of binding events per molecule (``n_events`` column) for sparse (with neighbors within 25 nm) and clustered (without neighbors within 80 nm) molecules. While this is only a qualitative verification, it is a simple method to spot potential overfitting issues. If the clustered molecules show fewer binding events that the sparse molecules, overfitting likely occurred. See Fig. S15 of the publication for an example of well-behaved data. As of v0.9.8, Picasso saves the plot showing relative σ values (i.e., the fitted Gaussian σ divided by the average loc. precision around the molecule). This can be used to estimate if the loc. precision values are accurate (if not, many molecules will have relative σ values close to the user-selected min./max. σ).
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As a final check for overfitting (i.e., too many assigned molecules), G5M automatically saves a bar plot of the number of binding events per molecule (``n_events`` column) for clustered (with neighbors within 25 nm) and sparse (without neighbors within 80 nm) molecules. If the clustered molecules show fewer binding events that the sparse molecules, overfitting likely occurred. See Fig. S15 of the publication for an example of well-behaved data. As of v0.9.8, Picasso saves the plot showing relative σ values (i.e., the fitted Gaussian σ divided by the average loc. precision around the molecule). This can be used to estimate if the loc. precision values are accurate (if not, many molecules will have relative σ values close to the user-selected min./max. σ). As of version 0.9.10, Picasso runs KS 2 sample test to compare the two distributions. The output test statistic and theoretical p value correspond to the KS test, while the permutation p value is calculated by randomly permuting the labels of clustered and sparse molecules 1,000 times and calculating the fraction of permutations that result in a KS test statistic as extreme as the one observed with the original labels.
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If the outcome of G5M seems unsatisfactory, please check the following:
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