Improve the denoise quality from hard thresholding (!5) · Merge requests · Zhang, Chen / bm3dornl · GitLab

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Zhang, Chen requested to merge local_sigma into next May 15, 2024

This PR introduces the following changes:

patch in a block is now ordered based on similarity instead of the naive search order
the missing threshold calculator is now added back in the hard thresholding function
the example notebook is updated
the second step, re-filtering is temporarily disabled as we need more time to understand how to properly compute the sigma for wiener_hadamard filter.

Example output from notebook (assuming 2% detector gain error):

Testing instructions

Create and activate the conda environment
Checkout the feature branch
Run unit test
Run the example notebook

EWM item: 5223