Results 31 to 40 of about 407,598 (197)

A pilot metabolomics study of tuberculosis immune reconstitution inflammatory syndrome

open access: yesInternational Journal of Infectious Diseases, 2019
Background: Diagnosis of paradoxical tuberculosis-associated immune reconstitution inflammatory syndrome (TB-IRIS) is challenging and new tools are needed for early diagnosis as well as to understand the biochemical events that underlie the pathology in ...
Carlos A.M. Silva   +13 more
doaj   +1 more source

Feature-domain super-resolution framework for Gabor-based face and iris recognition [PDF]

open access: yes, 2012
The low resolution of images has been one of the major limitations in recognising humans from a distance using their biometric traits, such as face and iris.
Denman, Simon   +3 more
core   +2 more sources

Iris color and associated pathological ocular complications:a review of epidemiologic studies [PDF]

open access: yesInternational Journal of Ophthalmology, 2014
AIM:To elucidate the associations of iris color with major eye diseases.METHODS:A systematic search on Medline with coverage up to August 2013 was conducted.
Hong-Peng Sun, Yi Lin, Chen-Wei Pan
doaj   +1 more source

KEPUTUSAN DAN PREFERENSI KONSUMEN : PINANG KERING IRIS DI PERBATASAN (StudiKasus: Kabupaten Timor Tengah Utara)

open access: yesAgritepa, 2022
Betel nut consumption in North Central Timor Regency lasted a long time and continues to grow to this day. The study aims to determine the factors that influence consumer decisions and consumption preferences of iris dried betel nut in north Central ...
Yoseph Daniel Jemai   +4 more
doaj   +1 more source

Data-Driven Segmentation of Post-mortem Iris Images

open access: yes, 2018
This paper presents a method for segmenting iris images obtained from the deceased subjects, by training a deep convolutional neural network (DCNN) designed for the purpose of semantic segmentation. Post-mortem iris recognition has recently emerged as an
Czajka, Adam, Trokielewicz, Mateusz
core   +1 more source

CONCEPTUAL ANALYSIS OF IRIS RECOGNITION SYSTEMS

open access: yesAdvanced Information Systems, 2019
Biometric is a reliable measurable physical feature as passwords. A biometric framework automatically provides evidence of an individual's identity based on the individual's unique features. Iris recognition is one of the physiological ways used to identify a person in the group and is one of the accurate biometric systems.
Mohammed, Amin Salih   +2 more
openaire   +5 more sources

Analysis of Floral Scent Component of Three Iris Species at Different Stages

open access: yesHorticulturae
The research investigates the variations in floral scent composition among different species and developmental stages of Iris plants: Iris uniflora, Iris typhifolia, and Iris sanguinea.
Keyu Cai   +6 more
doaj   +1 more source

Measuring Biometric Sample Quality in terms of Biometric Feature Information in Iris Images

open access: yesJournal of Electrical and Computer Engineering, 2012
This paper develops an approach to measure the information content in a biometric feature representation of iris images. In this context, the biometric feature information is calculated using the relative entropy between the intraclass and interclass ...
R. Youmaran, A. Adler
doaj   +1 more source

An Iris for Expected Cost Analysis

open access: yesCoRR
We present ExpIris, a separation logic framework for the (amortized) expected cost analysis of probabilistic programs. ExpIris is based on Iris, parametric in the language and the cost model, and supports both imperative and functional languages, concurrency, higher-order functions and higher-order state.
Janine Lohse, Deepak Garg
openaire   +2 more sources

The InfraRed Imaging Spectrograph (IRIS) for TMT: Reflective ruled diffraction grating performance testing and discussion [PDF]

open access: yes, 2014
We present the efficiency of near-infrared reflective ruled diffraction gratings designed for the InfraRed Imaging Spectrograph (IRIS). IRIS is a first light, integral field spectrograph and imager for the Thirty Meter Telescope (TMT) and narrow field ...
Chen, Shaojie   +8 more
core   +2 more sources

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