# VistaOCR
ISI's Optical Character Recognition (OCR) software for machine-print and handwriting data

# Publications
*"How to Efficiently Increase Resolution in Neural OCR Models"*. Stephen Rawls, Huaigu Cao, Joe Mathai, Prem Natarajan. IEEE Workshop on Arabic Script Analysis and Recognition (ASAR) 2018.

[*"Combining Convolutional Neural Networks and LSTMs for Segmentation Free OCR"*](https://doi.org/10.1109/ICDAR.2017.34). Stephen Rawls, Huaigu Cao, Senthil Kumar, Prem Natarajan. International Conference on Document Analysis and Recognition (ICDAR) 2017.

[*"Combining Deep Learning and Language Modeling for Segmentation-free OCR From Raw Pixels"*](https://doi.org/10.1109/ASAR.2017.8067772). Stephen Rawls, Huaigu Cao, Ekraam Sabir, Prem Natarajan. IEEE Workshop on Arabic Script Analysis and Recognition (ASAR) 2017.

# Model

![VistaOCR Model Diagram](https://github.com/isi-vista/VistaOCR/blob/master/vista-ocr-model-diagram.png)

# Pretrained Models

Coming Soon. Pre-trained models for English, French, and Arabic Handwriting

# Performance Numbers

Coming soon. Expected character and word error rates from public datasets.

# How to Train

Coming soon.

# How to Decode using Existing Model

Coming soon.

# Citation
```
@inproceedings{vistaocr,
  author    = {Stephen Rawls and Huaigu Cao and Senthil Kumar and Prem Natarjan},
  title     = {Combining Convolutional Neural Networks and LSTMs for Segmentation Free OCR},
  booktitle = {Proc. ICDAR},
  year      = {2017},
  url       = {https://doi.org/10.1109/ICDAR.2017.34},
  doi       = {10.1109/ICDAR.2017.34}
}
```