How to load the .h5 file and do transfer learning?

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I have the pre-trained model in .h5 format, how do I load it and do transfer learning using fastai?

I am currently using Keras to do transfer learning, but Keras doesn’t have certain functionalities of fastai, the ones that I want to use are

  1. learn.lr_find()
  2. learn.recorder.plot()

(to find the best learning rate) and

  1. learn.fit_one_cycle(2, max_lr=slice(1e-6,1e-4))

(to use different learning rates for different layers).

I found some implementations in of the above functionalities for Keras but they had many issues.

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