Το λεξιλόγιο αποτελεί παραλλαγή του λεξιλογίου «Θεματικές Επιστημονικών Πεδίων ΕΚΤ», ειδικά διαμορφωμένη για την κατηγοριοποίηση των τεκμηρίων του OpenArchives.gr
isi - Imaging Science & Photographic Technology includes resources that cover pattern recognition, analog and digital signal processing, remote sensing, and optical technology. This category also covers resources on the photographic process (the engineering of photographic devices and the chemistry of photography) as well as machine-aided imaging, recording materials and media, and visual communication and image representation.