PyLaia is a device agnostic, PyTorch based, deep learning toolkit for handwritten document analysis.
It is also a successor to Laia.
Development/Maintenance is now done on Teklia's fork. Please head over there if you want to use the latest version of PyLaia.
Get started by having a look at our Wiki!
In order to install PyLaia, follow this recipe:
git clone https://github.com/jpuigcerver/PyLaia
cd PyLaia
pip install -e .
Please note that the CUDA version of nnutils (nnutils-pytorch-cuda) is installed by default. If you do not have a GPU, you should install the CPU version (nnutils-pytorch).
The following Python scripts will be installed in your system:
pylaia-htr-create-model: Create a VGG-like model with BLSTMs on top for handwriting text recognition. The script has different options to customize the model. The architecture is based on the paper "Are Multidimensional Recurrent Layers Really Necessary for Handwritten Text Recognition?" (2017) by J. Puigcerver.pylaia-htr-train-ctc: Train a model using the CTC algorithm and a set of text-line images and their transcripts.pylaia-htr-decode-ctc: Decode text line images using a trained model and the CTC algorithm. It can also output the char/word segmentation boundaries of the symbols recognized.pylaia-htr-netout: Dump the output of the model for a set of text-line images in order to decode using an external language model.Work in this toolkit was financially supported by the Pattern Recognition and Human Language Technology (PRHLT) Research Center
@misc{puigcerver2018pylaia,
author = {Joan Puigcerver and Carlos Mocholí},
title = {PyLaia},
year = {2018},
publisher = {GitHub},
journal = {GitHub repository},
howpublished = {\url{https://github.com/jpuigcerver/PyLaia}},
commit = {commit SHA}
}
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