qurator-spk/sbb_binarization
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* recommend cropping (fix )
* document huggingface saved_model
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## Introduction ## Introduction
This tool performs document image binarization using trained models. The method is based on [Calvo-Zaragoza and Gallego, 2018](https://arxiv.org/abs/1706.10241). This tool performs document image binarization using a trained ResNet50-UNet model.
## Installation ## Installation
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### Models ### Models
Pre-trained models can be downloaded from here: Pre-trained models in `h5` format can be downloaded from here:
https://qurator-data.de/sbb_binarization/ https://qurator-data.de/sbb_binarization/
We also provide a Tensorflow `saved_model` via Huggingface:
https://huggingface.co/SBB/sbb_binarization
## Usage ## Usage
```sh ```sh
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<output image> <output image>
``` ```
**Note** In virtually all cases, applying the `--patches` flag will improve the quality of results. In virtually all cases, applying the `--patches` flag will improve the quality of results.
Example Images containing a lot of border noise (black pixels) should be cropped beforehand to improve the quality of results.
### Example
```sh ```sh
sbb_binarize --patches -m /path/to/models/ myimage.tif myimage-bin.tif sbb_binarize --patches -m /path/to/models/ myimage.tif myimage-bin.tif