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Enterococcal strains recovered from fecal samples of captive blue-fronted parrots (Amazona aestiva) assisted at two wild animal screening centers in Rio de Janeiro, Brazil, were identified as Enterococcus hirae (the predominant species; 75.3%), followed by Enterococcus faecalis (17.3%), Enterococcus casseliflavus (4.8%), Enterococcus gallinarum (1.7%), and Enterococcus hermanniensis (0.9%). All strains...
In this paper we propose a method for the automatic detection of the true aspect ratio of digital video, by detecting the presence and width of horizontal and vertical black bars, also known as letterbox and pillarbox effects. If active format description (AFD) metadata is not present, the proposed method can be used to identify the right AFD and associate it to the video content. In the case AFD...
A high resolution palmprint recognition system using full or partial, eventually degraded, palmprints is presented. Previous work on palmprint matching addressed mostly commercial applications, using low resolution images. However, in forensic scenarios, high resolution palmprints, although incomplete and/or degraded, are often used. Degradations may result from surface irregularities or impurities,...
Epilepsy is a disease that affects around 50 million people worldwide, 3–5% of which had seizures triggered by pulsating lights, or by patterns with light and dark areas, a condition known by photosensitive epilepsy (PSE). Video content with fast luminance variations, or with spatial patterns of high contrast — referred to as epileptogenic visual content — may also induce seizures on viewers with...
This paper proposes a high resolution palmprint biometric recognition system that matches incomplete or degraded palmprints. Most of the existing work in this field was developed for commercial applications, usually for low resolution images. For high resolution palmprints, such as the ones used by forensic experts, the same techniques tend not to explore the full potential of the available biometric...
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