convert my own image dataset into federated data

问题

i'm implementing code with TFF, and I have image dataset of skin cancer. i must convert my dataset into federated data So can anyone help me
I use tff.simulation.clientData or

tff.simulation.clientData.create_tf_dataset_for_client()

or

tff.simulation.HDF5ClientData.create_tf_dataset_for_client(client_id)

or

tf.data.Dataset.from_tensor_slices()

来源：https://stackoverflow.com/questions/59734700/convert-my-own-image-dataset-into-federated-data