Open source implementation of PDF/UA validation

We demonstrate the extension of veraPDF framework for validating syntax of PDF/UA-1 and Tagged PDF including formal list of checks, test corpus development and visualization of the reports. Additionally, we discuss ambiguous requirements of both PDF/UA-1 and Matterhorn protocol and their suggested resolutions. Finally, we touch broader challenges such as implementation of Human checks and … Read more

Why is making a PDF/UA document accessible so hard?

A common complaint about making documents accessible is too hard for most. This session will explore many of the common challenges faced by people learning how to make PDF/UA compliant documents. This presentation promotes the use of PDFs and explains best practices that have developed in the industry to significantly reduce the cost, complexity, and … Read more

3 ways to climb the PDF accessibility mountain

How do you get the fastest from the source document to the accessible PDF? We present 3 ways that help you to find the best PDF accessibility strategy for your organisation. You will learn the advantages and disadvantages of the different ways as well as using the decision matrix to build up your PDF accessibility … Read more

What about an update of the WCAG Techniques for PDF?

Since December 2018 some of the world’s most trusted PDF accessibility experts work together to create atomic examples of WCAG 2.1 compliant PDF files. We report about the current status. You will get to know the basic concept as well as a lot of practical examples for failing and passing files.

Evaluating Text Extraction at Scale

Apache Tika is widely used as a critical enabling technology for search in Apache Solr and other search systems. This open source library performs text and metadata extraction from numerous file formats, including PDF via an integration with Apache PDFBox. As we all know, when something goes wrong with text extraction, the reliability of search … Read more

To Struggle and to Succeed

In February 2017, Peter Shikli launched Access2online to provide accessibility auditing of websites because he knew how to design websites. What little he knew about accessibility was almost completely wrong. Making this particularly challenging is the fact that he launched Access2online inside Oregon’s state prison for women where unmonitored internet access is forbidden by law. … Read more

Generating well-tagged PDF documents

The talk is devoted to typical problems and possible solutions of generating PDF/UA compliant (or at least well-tagged) PDF documents from authoring applications such as rich layout WYSIWYG text editors, web browsers, and others. We touch on some ambiguous PDF/UA requirements and technical challenges one faces when converting declarative html-like documents to Tagged PDF. This … Read more

Optimising PDF for Print, Digital and Accessible channels

In today’s digital world, PDF has become the most widely used format for customer communications management (CCM). Many organisations are struggling to achieve successful workflow management, production processing, streamlining access, and online delivery whilst ensuring document accessibility. If you are experiencing difficulties related to anything within PDF workflows, you should not miss this presentation. Tim … Read more

Composing tables for Universal Accessibility

Tables are too often created the wrong way: sometimes they lack content, sometimes they are too complicated to understand, sometimes they are even misused. This comes with a cost for accessibility: the content of the table is difficult to understand, or not accessible at all. This presentation will give an overview of good and bad … Read more