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A regionprops table widget plugin for napari

Project description

napari-skimage-regionprops (nsr)



Python Version



A napari plugin for measuring properties of labeled objects based on scikit-image


From the menu Tools > Measurement > Regionprops (nsr) you can open a dialog where you can choose an intensity image, a corresponding label image and the features you want to measure:


If you want to interface with the labels and see which table row corresponds to which labeled object, use the label picker and

activate the show selected checkbox.

If you closed a table and want to reopen it, you can use the menu Tools > Measruements > Show table (nsr) to reopen it.

You just need to select the labels layer the properties are associated with.

Usage, programmatically

You can also control the tables programmatically. See this example notebook for details.


The user can select categories of features for feature extraction in the user interface. These categories contain measurements from the scikit-image regionprops list of measurements library:

  • size:

    • area

    • bbox_area

    • convex_area

    • equivalent_diameter

  • intensity:

    • max_intensity

    • mean_intensity

    • min_intensity

    • standard_deviation_intensity (extra_properties implementation using numpy)

  • perimeter:

    • perimeter

    • perimeter_crofton

  • shape

    • major_axis_length

    • minor_axis_length

    • orientation

    • solidity

    • eccentricity

    • extent

    • feret_diameter_max

    • local_centroid

  • position:

    • centroid

    • bbox

    • weighted_centroid

  • moments:

    • moments

    • moments_central

    • moments_hu

    • moments_normalized

This napari plugin was generated with Cookiecutter using with @napari's cookiecutter-napari-plugin template.


You can install napari-skimage-regionprops via pip:

pip install napari-skimage-regionprops

Or if you plan to develop it:

git clone

cd napari-skimage-regionprops

pip install -e .

If there is an error message suggesting that git is not installed, run conda install git.


Contributions are very welcome. Tests can be run with tox, please ensure

the coverage at least stays the same before you submit a pull request.


Distributed under the terms of the BSD-3 license,

"napari-skimage-regionprops" is free and open source software


If you encounter any problems, please create a thread on along with a detailed description and tag @haesleinhuepf.

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