To construct the data:
- download the lines data from the IAM website : https://fki.tic.heia-fr.ch/databases/download-the-iam-handwriting-database
- move each line image in the desired split (iam/train/ - iam/test/ - iam/valid/)
- add the corresponding text from the lines in .txt files next to the images, text can be obtained through the xml data on the IAM website