Results 21 to 30 of about 757,076 (313)

Low-Asymmetry Interface for Multiuser VR Experiences with Both HMD and Non-HMD Users

open access: yesSensors, 2021
We propose a low-asymmetry interface to improve the presence of non-head-mounted-display (non-HMD) users in shared virtual reality (VR) experiences with HMD users.
Qimeng Zhang   +4 more
doaj   +1 more source

A visual analysis of the process of process modeling [PDF]

open access: yesInformation Systems and e-Business Management, 2014
The construction of business process models has become an important requisite in the analysis and optimization of processes. The success of the analysis and optimization efforts heavily depends on the quality of the models. Therefore, a research domain emerged that studies the process of process modeling.
Jan Claes   +5 more
openaire   +6 more sources

A model for the visualization exploration process [PDF]

open access: yesIEEE Visualization, 2002. VIS 2002., 2003
The current state of the art in visualization research places a strong emphasis on different techniques to derive insight from disparate types of data. However, little work has investigated the visualization process itself. The information content of the visualization process---the results, history, and relationships between those results---is ...
Jankun-Kelly, T. J.   +2 more
openaire   +2 more sources

Lifetime Prediction of Current-and Temperature-Induced Degradation in Silicone-Encapsulated 365 nm High-Power Light-Emitting Diodes

open access: yesIEEE Access, 2023
We report on the degradation mechanisms and dynamics of silicone encapsulated ultraviolet A (UV-A) high-power light-emitting diodes (LEDs), with a peak wavelength of ${\mathrm {365~ \text {n} \text {m} }}$ .
Alexander Herzog   +6 more
doaj   +1 more source

Time-resolved influences of functional DAT1 and COMT variants on visual perception and post-processing [PDF]

open access: yes, 2012
BACKGROUND: Dopamine plays an important role in orienting and the regulation of selective attention to relevant stimulus characteristics. Thus, we examined the influences of functional variants related to dopamine inactivation in the dopamine transporter
Laucht, Manfred (Prof. Dr.)   +31 more
core   +1 more source

Resolution Aspects for Near-Field Projections

open access: yesApplied Sciences, 2023
This work intends to define the resolution requirements for near-field projections in a psycho-physical study design to evaluate the participants’ perception under the influence of different ambient lighting levels and various viewing distances.
Alexander Stuckert, Tran Quoc Khanh
doaj   +1 more source

Visual Execution and Data Visualisation in Natural Language Processing [PDF]

open access: yes, 1997
We describe GGI, a visual system that allows the user to execute an automatically generated data flow graph containing code modules that perform natural language processing tasks. These code modules operate on text documents.
Humphreys, Kevin   +3 more
core   +1 more source

Brightness perception under photopic conditions: experiments and modeling with contributions of S-cone and ipRGC

open access: yesScientific Reports, 2023
In 1924, the CIE published and standardized the photopic luminous efficiency function. Based on the standardized curve, luminous flux in lumens, luminance in cd/m $$^2$$ 2 , and illuminance in lux are determined by an integral of the curve and the ...
Tran Quoc Khanh   +3 more
doaj   +1 more source

Transcranial magnetic stimulation reveals two cortical pathways for visual body processing [PDF]

open access: yes, 2007
Visual recognition of human bodies is more difficult for upside down than upright presentations. This body inversion effect implies that body perception relies on configural rather than local processing.
B. Calvo Merino   +9 more
core   +1 more source

An Accurate and Robust Gaze Estimation Method Based on Maximum Correntropy Criterion

open access: yesIEEE Access, 2019
Accurately estimating the user's gaze is important in many applications, such as human-computer interaction. Due to great convenience, appearance-based methods for gaze estimation have been a popular subject of research for many years.
Ben Yang   +4 more
doaj   +1 more source

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