Inspec keywords: feature extraction; iris recognition; image segmentation; visual databases; meta data

Other keywords: quality assessment; long-timespan image database; segmentation quality; public datasets; short-timespan assessments; transparent recording setup; ageing impact; feature extraction; temporal effects; metadata; segmentation module; iris recognition performance; iris recognition accuracy; performance-impacting factors

Subjects: Spatial and pictorial databases; Computer vision and image processing techniques; Image recognition