---- datatemplateentry news ----
template            : news:display_template
title               : Annotation Extraction at CHI'22
description         : [Andreas Schmid](https://hci.uni-regensburg.de/people/andreas_schmid) presented the paper **Extracting Handwritten Annotations from Printed Documents Via Infrared Scanning** as a virtual poster at the [CHI'22](https://chi2022.acm.org/) conference.
date_date           : 2022-04-27
tags                : news,
---- 

We modified a flatbed scanner by adding an infrared light source. As many inks are invisible in the infrared spectrum, this scanner can be used to extract handwritten annotations from printed documents. Further information can be found [here](https://hci.uni-regensburg.de/projects/infrared_scan).