Multi-threaded hessian eigenvalues


I would like to compute Hessian eigenvalues on a rather big data set.

Does someone know if there already is a multi-threaded (and fast) implementation?

Otherwise I guess I could simply chunk my data and use the the ImageScience FeatureJ implementation on the chunks and then put together afterwards.

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I think I found the solution myself.
There seems to be an multi-threaded imglib2 implementation: