TrOCR_german_handwritten

from transformers import TrOCRProcessor, VisionEncoderDecoderModel
from PIL import Image
import requests
# load image from the IAM database
url = 'https://fki.tic.heia-fr.ch/static/img/a01-122-02-00.jpg'
image = Image.open(requests.get(url, stream=True).raw).convert("RGB")
processor = TrOCRProcessor.from_pretrained('fhswf/TrOCR_german_handwritten')
model = VisionEncoderDecoderModel.from_pretrained('fhswf/TrOCR_german_handwritten')
pixel_values = processor(images=image, return_tensors="pt").pixel_values
generated_ids = model.generate(pixel_values)
generated_text = processor.batch_decode(generated_ids, skip_special_tokens=True)[0]

Bias, Risks, and Limitations

You can use the raw model for optical character recognition (OCR) on single text-line images of german handwriting.

Training Details

Training Data

This model was finetuned on german_handwriting.

Evaluation

Levenshtein: 1.85 WER (Word Error Rate): 17.5% CER (Character Error Rate): 4.1%

BibTeX:

@misc{li2021trocr,
      title={TrOCR: Transformer-based Optical Character Recognition with Pre-trained Models},
      author={Minghao Li and Tengchao Lv and Lei Cui and Yijuan Lu and Dinei Florencio and Cha Zhang and Zhoujun Li and Furu Wei},
      year={2021},
      eprint={2109.10282},
      archivePrefix={arXiv},
      primaryClass={cs.CL}
}