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cyrillic-trocr/
trocr-handwritten-cyrillic

Name: trocr-handwritten-cyrillic
Availability: InStock

safetensors

vision-encoder-decoder

OCR

HTR

TrOCR

kazars24/trocr-base-handwritten-ru

finetune

mit

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TrOCR Fine-tuned on several datasets used for training Transkribus models for Cyrillic (Slavic Handwriting)

This model is a fine-tuned version of kazars24/trocr-base-handwritten-ru for recognizing handwritten text in Church Slavonic, Russian and Ukrainian.

Model Description

TrOCR (Transformer-based OCR) is a vision-to-text model using a ViT encoder and a causal language model decoder. This version is fine-tuned specifically on Church Slavonic, Russian, and Ukrainian handwriting.

Base model: microsoft/trocr-base-handwritten via kazars24/trocr-base-handwritten-ru (used as an intermediate checkpoint)
Fine-tuned on: several datasets used for training Transkribus models for Cyrillic (approx. 6800 images): https://app.transkribus.org/models/public/text/generic-church-slavonic-handwriting-3, https://app.transkribus.org/models/public/text/russian-generic-handwriting-2, https://app.transkribus.org/models/public/text/ukrainian-generic-handwritten-typed
Intended use: OCR/HTR of handwritten Church Slavonic (Cyrillic), Russian (Cyrillic), Ukrainian (Cyrillic).

Training Data

Train / Valid / Test split: 60% / 20% / 20%.

Training Details

Batch size: 16
Epochs: 10
Evaluation metric: CER
Evaluation strategy: steps
Tokenizer: kazars24/trocr-base-handwritten-ru

Performance

Metric	Value
CER (Validation)	0.253278
Qualitative results	The model performs well despite noisy labels and image distortions.

Note: Some ground truth annotations were incorrect or mismatched, which affects the overall CER. The model, however, correctly predicts many visually accurate texts.

How to Use

python

from transformers import TrOCRProcessor, VisionEncoderDecoderModel
from PIL import Image
import requests

# Load processor and model
processor = TrOCRProcessor.from_pretrained("my-username/model-name")
model = VisionEncoderDecoderModel.from_pretrained("my-username/model-name")

# Load and prepare image
image = Image.open("your_image.jpg").convert("RGB")
pixel_values = processor(images=image, return_tensors="pt").pixel_values

# Generate prediction
generated_ids = model.generate(pixel_values)
predicted_text = processor.batch_decode(generated_ids, skip_special_tokens=True)[0]
print(predicted_text)

cyrillic-trocr/trocr-handwritten-cyrillic