Which dataset is used and how to set up the data path?

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Hi, thank you for sharing the code for LTwIST.

I am trying to run the training script, but the README is missing information regarding the dataset.

1. Which dataset was used for training and evaluation in the paper's experiments (e.g., BSDS500, Set11)?
2. How should the dataset be organized in the project structure?
3. Which parameter in train.py or a separate configuration file controls the data path (e.g., --data_dir)?

Could you please provide a basic guide on how to prepare and configure the data?