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Trim Image Whitespace

StreamablePalladian for KNIME version by palladian.ws

Removes excessive white space around an image by shrinking the image to the smallest rectangle size which contains all non-white pixels.

In contrast to KNIME’s Auto Crop node, this does not require to use special Image Processing nodes, a simple PNG image cell will work.


Select the input column which contains the PNG image
Drop Input Column
Enable to drop the selected input column from the output table

Input Ports

Table with PNG image cells.

Output Ports

Table with appended trimmed image cells.


To use this node in KNIME, install Palladian for KNIME from the following update site:


A zipped version of the software site can be downloaded here.

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