Alto

Overview Text Overlay plugin for Mirador 3 is a Mirador 3 plugin that displays selectable text overlays based on OCR or transcription. https://github.com/dbmdz/mirador-textoverlay A demo page is available at the following link. https://mirador-textoverlay.netlify.app/ However, when trying to display vertical text such as Japanese, it didn’t display correctly, as shown below. So I forked the above repository and made it possible to display vertical text as well. The source code is published in the following repository. (I hope to consider a pull request in the future.) ...

Overview I am sharing the results of querying GPT-4 about ALTO (Analyzed Layout and Text Object) XML. https://www.loc.gov/standards/alto/ Required Elements ALTO (Analyzed Layout and Text Object) XML is an XML schema for representing OCR-generated text and its layout. Its structure is very flexible, with many elements and attributes, but the required elements are limited. The simplest form of ALTO XML has the following hierarchical structure: <alto>: The root element. It must have @xmlns and @xmlns:xsi attributes indicating the version of the ALTO XML schema. It must also have two child elements: <Description> and <Layout>. ...