Pixelwise binarization with selectional auto-encoders in Keras

Project description

Binarization

Binarization for document images

Examples

Introduction

This tool performs document image binarization (i.e. transform colour/grayscale to black-and-white pixels) for OCR using multiple trained models.

The method used is based on Calvo-Zaragoza/Gallego, 2018. A selectional auto-encoder approach for document image binarization.

Installation

Clone the repository, enter it and run

pip install .

Models

Pre-trained models can be downloaded from here:

https://qurator-data.de/sbb_binarization/

Usage

sbb_binarize \
  --patches \
  -m <directory with models> \
  <input image> \
  <output image>

Note In virtually all cases, the --patches flag will improve results.

Project details

Release history Release notifications | RSS feed

0.1.0

Apr 14, 2023

0.0.11

Oct 24, 2022

0.0.10

Jul 21, 2022

0.0.9

Apr 26, 2022

0.0.8

May 7, 2021

0.0.7

May 7, 2021

This version

0.0.6

Nov 23, 2020

0.0.5

Nov 2, 2020

0.0.4

Oct 27, 2020

0.0.3

Oct 23, 2020

0.0.2

Oct 23, 2020

0.0.1

Oct 22, 2020

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