GUI selection for SGD/RAdam Training #1022
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On the image.sc forum, user Brian Northan and I have found questions regarding zero masks being found during Cellpose GUI model training. Issues reported: 1, 2, and 3.
We reason that the SGD solver might be overly restrictive. Based on Brian's and my testing here, it seems that at least at low epoch numbers, certain sets of training images will result in 0 masks while using SGD.
This PR also addresses/closes issues #947 and #1017
As such, this PR adds a QCheckBox which defaults to SGD, but allows users to choose the option of the RAdam solver. It follows the same pattern as other parameters and I was able to use it successfully.