Yvonne Tunnat's Blog

Motivation When it comes to PDF validation, the world is suddenly very small. Although many digital archives have to deal with PDF (rather than PDF/A, at least not from the start), there is only one PDF-validator that I know of and that’s JHOVE. Having worked with JHOVE for six years now, I feel I know […]

By Yvonne Tunnat, posted in Yvonne Tunnat's Blog

19th Dec 2017  12:29 PM  1195 Reads  2 Comments

Motivation As most of us rely on JHOVE for file format validation, it is important to gain information about the quality of JHOVE’s validation skills – and, if inadequacies are detected, improve JHOVE. This can be done by tool benchmarking, as I already did with JPEG in 2016 and with TIFF earlier this year and […]

By Yvonne Tunnat, posted in Yvonne Tunnat's Blog

5th Dec 2017  11:49 AM  821 Reads  2 Comments

  The research question I have never doubted the JHOVE TIFF module. The JHOVE TIFF module is always right. Everybody says so. That’s why nobody uses the myriad alternatives to it, although it’s so easy to write a TIFF validator, I could almost do it myself. But while my colleague Michelle and I are drafting […]

By Yvonne Tunnat, posted in Yvonne Tunnat's Blog

17th Jan 2017  8:40 AM  5834 Reads  4 Comments

In this Blogpost I want to examine the findings of two validation tools, JHOVE (Version 1.14.6) and Bad Peggy (version 2.0), which scans image files for damages, using the Java Image IO library. Goal is to compare the findings and enable the reader to know what to expect from these validation tools for the daily […]

By Yvonne Tunnat, posted in Yvonne Tunnat's Blog

29th Nov 2016  10:56 AM  4284 Reads  1 Comment