Results 41 to 50 of about 5,906,316 (298)

Advanced Image Quality Assessment for Hand- and Finger-Vein Biometrics

open access: yesIET Biometrics
Natural scene statistics commonly used in nonreference image quality measures and a proposed deep-learning (DL)–based quality assessment approach are suggested as biometric quality indicators for vasculature images.
Simon Kirchgasser   +3 more
doaj   +1 more source

Intelligent Blended Agents: Reality–Virtuality Interaction with Artificially Intelligent Embodied Virtual Humans

open access: yesMultimodal Technologies and Interaction, 2020
Intelligent virtual agents (VAs) already support us in a variety of everyday tasks such as setting up appointments, monitoring our fitness, and organizing messages.
Susanne Schmidt   +2 more
doaj   +1 more source

Vision-based hand gesture interaction using particle filter, principle component analysis and transition network [PDF]

open access: yes, 2014
Vision-based human-computer interaction is becoming important nowadays. It offers natural interaction with computers and frees users from mechanical interaction devices, which is favourable especially for wearable computers.
Sun, Y, Wang, F, Wang, Z, Zhang, Z
core   +1 more source

Human–exoskeleton interaction portrait

open access: yesJournal of NeuroEngineering and Rehabilitation
AbstractHuman–robot physical interaction contains crucial information for optimizing user experience, enhancing robot performance, and objectively assessing user adaptation. This study introduces a new method to evaluate human–robot interaction and co-adaptation in lower limb exoskeletons by analyzing muscle activity and interaction torque as a two ...
Shushtari, Mohammad   +2 more
openaire   +5 more sources

Human eosinophil-lymphocyte interactions [PDF]

open access: yesMemórias do Instituto Oswaldo Cruz, 1997
While the eosinophil's effector functions clearly can contribute to the pathogenesis of allergic diseases, the evolutionary benefit to having eosinophils as a distinct class of leukocyte is not clear, especially if one must reconsider the nominally beneficial role of eosinophils in parasite host defense, Eosinophils are equipped to respond to ...
Weller, Peter F, Lim, Kaiser
openaire   +4 more sources

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Enteropathogenic E. coli shows delayed attachment and host response in human jejunum organoid‐derived monolayers compared to HeLa cells

open access: yesFEBS Letters, EarlyView.
Enteropathogenic E. coli (EPEC) infects the human intestinal epithelium, resulting in severe illness and diarrhoea. In this study, we compared the infection of cancer‐derived cell lines with human organoid‐derived models of the small intestine. We observed a delayed in attachment, inflammation and cell death on primary cells, indicating that host ...
Mastura Neyazi   +5 more
wiley   +1 more source

3D Sketching and Flexible Input for Surface Design: A Case Study

open access: yesJournal on Interactive Systems, 2014
Nenhum resumo ...
Anamary Leal, Doug A. Bowman
doaj   +1 more source

Is Pupil Activity Associated With the Strength of Memory Signal for Words in a Continuous Recognition Memory Paradigm?

open access: yesFrontiers in Psychology, 2021
Research on pupillometry provides an increasing evidence for associations between pupil activity and memory processing. The most consistent finding is related to an increase in pupil size for old items compared with novel items, suggesting that pupil ...
Jorge Oliveira   +3 more
doaj   +1 more source

PRESENCE: A human-inspired architecture for speech-based human-machine interaction

open access: yes, 2007
Recent years have seen steady improvements in the quality and performance of speech-based human-machine interaction driven by a significant convergence in the methods and techniques employed.
Moore, R.K.
core   +1 more source

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