Updated 16 Jul 2021
The purpose of this software is to enhance the legibility of papyri for text edition and publication. It consists of an image processing tool and an image viewer.
— Fully automatic image enhancement, which is especially useful for processing image collections.
— Multiple enhancement methods, for covering a variety of document and reproduction qualities, tasks, and subjective preferences.
— Complementary to other software, such as DStretch and Photoshop.
app: Matlab (R2020b) app
code: Matlab (R2020b) source code
help: documentation (see also hierax.ch)
images: smaple papyri images
article: technical background (Vlad Atanasiu, Isabelle Marthot-Santaniello (2022), “Legibility Enhancement of Papyri Using Color Processing and Visual Illusions: A Case Study in Critical Vision”, International Journal on Document Analysis and Recognition (IJDAR), 25: 129–160, https://doi.org/10.1007/s10032-021-00386-0)
Vlad Atanasiu (2023). Hierax (https://github.com/vladatanasiu/hierax/releases/tag/2021.03.30), GitHub. Retrieved .
MATLAB Release Compatibility
Platform CompatibilityWindows macOS Linux
Inspired by: Multiscale Retinex, multiWaitbar
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See release notes for this release on GitHub: https://github.com/vladatanasiu/hierax/releases/tag/2021.03.30