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Concatenate image collection #223

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merged 3 commits into from Jul 20, 2012

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jni commented Jul 20, 2012

In a few contexts (stacks of microscopy images, video frames) it is desirable to operate on a numpy.ndarray containing all images in a collection. The new skimage.io.ImageCollection.concatenate function converts a collection to such an ndarray.

This operation only makes sense when all images have the same shape, so the function raises a ValueError when this is not the case (and np.concatenate fails with such a ValueError).

jni added some commits Jul 20, 2012

Add function 'concatenate' to ImageCollection
Many algorithms work on 3D stacks rather than images. It is convenient
to provide automatic conversion from an ImageCollection to an nD-stack.
Add concatenate() support for MultiImage
Previously we added the ImageCollection.concatenate function. This
updates MultiImage to have the same functionality, and moves the grunt
work to an outside function to avoid repetition.

stefanv added a commit that referenced this pull request Jul 20, 2012

@stefanv stefanv merged commit 37e0ce0 into scikit-image:master Jul 20, 2012

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stefanv commented Jul 20, 2012

Thanks, @jni!

@jni jni deleted the jni:jni-concatenate-image-collection branch Jan 16, 2014

@jni jni referenced this pull request Jul 19, 2017

Merged

added rect function to draw module #2719

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