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International Conference on Coordinated and Multiple Views in Exploratory Visualization

作者： H. Siirtola Information Visualization Research Group TAUCHI-Tampere Unit for Computer-Human Interaction Department of Computer and Information Sciences University of Tampere Finland

There is evidence that the highlighting of the same data items in different views will improve the proficiency of knowledge acquisition tasks. Making the connection for the user will reduce the cognitive load of switching from one view to another and allows making observations that would not be possible from the two separate views. However, making the connection between conceptually different views might not be so straightforward if the view types are complex and different enough. We compare two conceptually different information visualization techniques called parallel coordinate plots and the reorderable matrix, and consider how the two representations could be combined. We report an experiment where the participants performed tasks with an application having a reorderable matrix and parallel coordinate views to the same data, with linking and without linking. It was found out that although the view linking initially slows the task performance, it will accelerate learning and it is well received by users.

关键词： Data visualization Joining processes Multidimensional systems Scattering Graphics Displays humans Knowledge acquisition Acceleration Data mining

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Guest Editors' Introduction: Rapid Prototyping for Ubiquitous Computing

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IEEE Pervasive Computing 2005年第4期4卷 15-17页

作者： N. Davies J. Landay S. Hudson A. Schmidt Lancaster University UK Computer Science and Engineering Department University of Washington USA Human-computer interaction in the HCI Institute Carnegie Mellon University USA Embedded Interaction research group University of Munich (LMU) Germany

This issue's articles represent some of the best recent advances in applying rapid prototyping to ubiquitous systems development.

关键词： Prototypes Ubiquitous computing Pervasive computing User interfaces human computer interaction Design engineering Process design Context modeling Problem-solving research and development

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Context-aware, trust-based access control for the *** userware

Context-aware, trust-based access control for the *** userwa...

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2012 5th International Conference on New Technologies, Mobility and Security, NTMS 2012

作者： Heupel, Marcel Fischer, Lars Kesdogan, Dogan Bourimi, Mohamed Scerri, Simon Hermann, Fabian Giménez, Rafael IT Security and Privacy Group University of Siegen Germany Digital Enterprise Research Institute National University of Ireland Galway Ireland Competence-Center Human-Computer Interaction Fraunhofer IAO Stuttgart Germany Barcelona Digital Technology Centre Barcelona Spain

ISBN: (纸本)9781467302296

Trust calculation to inform privacy recommendations based on context information involvement (e.g. location information, nearby people) is an increasing need in pervasive environments. In this paper we present a multidimensional trust metric designed for access control decisions in scenarios of the EU funded *** project. Thereby each involved context information could represent a separate trust dimension. In the focus is the correctness of the suggested trust metric towards meaningful privacy recommendations and improvement of access control decisions for our scenarios. The suggested metric could help to avoid manipulations and attacks based on fundamental requirements for situational trust. Our proposed trust calculation considers a presence history of persons at locations, to increase the accuracy of our base trust value. We present our approach after explaining the fundamental requirements, the underlying ontology framework and architecture. © 2012 IEEE.

关键词： Access control

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A NOVEL MODEL FOR THE MATERIAL SELECTION OF SMART OBJECTS FOR HAND-REHABILITATION: A CASE STUDY 24

A NOVEL MODEL FOR THE MATERIAL SELECTION OF SMART OBJECTS FO...

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24th International Conference on Engineering Design, ICED 2023

作者： Bos, Mikaël Ivar Karahanoǧlu, Armaǧan Haarman, Juliet Nizamis, Kostas Chair of Systems Engineering and Multidisciplinary Design Department of Design Production and Management Faculty of Engineering Technology University of Twente Enschede Netherlands Interaction Design Research Group Department of Design Production and Management Faculty of Engineering Technology University of Twente Enschede Netherlands Human Media Interaction Group Faculty of Electrical Engineering Mathematics and Computer Science University of Twente Enschede Netherlands

Home hand rehabilitation for stroke is becoming increasingly important due to logistic and financial challenges. Developing Daily-life Integrated Hand-rehabilitation Products (DIHP) aims to enable the application of at-home rehabilitation. The materials of these products are essential for their success, however, selecting materials for DIHP has not been investigated yet. Previous research on material selection showed that it is done strictly on material properties or based on a human-centered approach. Hence, in this study, we propose a hybrid model for choosing materials for DIHP. To achieve this, we first combined the findings of previous material selection processes into a comprehensive material selection model. We applied this model in a case study, in which we first selected three materials based on their properties. Following, we 3d printed a DIHP out of the chosen materials and tested the feeling of the materials with multiple expert groups. Our findings suggest that the proposed material selection method is promising and highlights that our comprehensive model provides more insights when compared to a strict material property-based selection. © The Author(s), 2023. Published by Cambridge University Press.

关键词： 3D printing

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The concept of augmented reality application for putting alignment in golf 5

The concept of augmented reality application for putting ali...

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5th International Conference of the Virtual and Augmented Reality in Education, VARE 2019

作者： Ginters, Egils Burkhardt, Dirk Nazemi, Kawa Merkuryev, Yuri Sociotechnical Systems Engineering Group Department of Modelling and Simulation Faculty of Computer Science and Information Technology Riga Technical University 2 Daugavgrivas Street RigaLV-1048 Latvia Sociotechnical Systems OU Sakala 7-2 Street Tallinn10141 Estonia Human-Computer Interaction and Visual Analytics Research Group Darmstadt University of Applied Sciences Darmstadt Germany

ISBN: (纸本)9788885741423

Virtual and augmented reality (VR / AR) applications have successfully overcome the critical part of the Gartner curve. Investments are made and new products entering the economy. However, a very small percentage of society have also heard about AR glasses, mainly linking these with potential identity threats and personal data breaches. The authors dealt with the design of application of AR to improve golf skills by improving the putting technique. The above solution is complicated by requiring complex object recognition, tracking and advanced AR software designing. © 5th International Conference of the Virtual and Augmented Reality in Education, VARE 2019. All rights reserved.

关键词： Augmented reality

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Multi- vs. Unimodal Forest-Bathing in VR to Enhance Affective and Cognitive Recovery after Acute Stress

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Journal of Environmental Psychology 2025年

作者： Leonie Ascone Fariba Mostajeran Anna Mascherek Nour Tawil Thiemo Knaust Larissa Samaan Simone Kühn Neuronal Plasticity Research Group Center for Psychosocial Medicine Clinic and Poli-Clinic for Psychiatry and Psychotherapy University Medical Center Hamburg-Eppendorf (UKE) Martinistraße 52 20246 Hamburg Germany Department of Informatics Human Computer Interaction University of Hamburg Vogt-Kölln-Straße 30 22527 Hamburg Germany Center for Environmental Neurosciences Max-Planck-Institute for Human Development Lentzeallee 94 14195 Berlin Germany Bundeswehr Hospital Hamburg Center for Mental Health Lesserstraße 180 22049 Hamburg Germany

Background Forest-bathing has demonstrated beneficial effects on mental health. In virtual settings, more research is needed to determine whether such effects can be enhanced through multimodal stimulation. This pilot study used visual [V] (360° stereoscopic VR of a Douglas fir forest), auditory [A] (mostly birdsong) recordings, and olfactory [O] stimulation (Douglas fir), presented either unimodally ([V], [O], [A]) or in combination ([VOA]). The potential superiority of the multimodal [VOA] condition in promoting affective and cognitive recovery after stress was tested. Methods N = 136 healthy adults were randomly assigned to one of the four conditions. After a calm-breathing baseline and pre-assessment of affect, participants underwent passive stress induction (image-viewing task), followed by a reassessment of affect and a first cognitive test block (Trail Making Test [executive function], color Stroop [inhibition], Digit Span [working memory]). Subsequently, they were exposed to the forest-stimulation phase. Affect and cognitive performance were reassessed post-intervention. Superiority of the VOA condition in recovery was analyzed using structural equation modeling (SEM), suited to model and test supra-additive effects. Results All groups showed significant stress recovery. The multimodal condition [VOA] demonstrated partial superiority, with selective benefits for positive affect and nature connectedness, but not for negative affect. In the cognitive domain, no broad multimodal advantage emerged, although working memory (Digit Span backwards) was significantly better in VOA compared to the auditory condition. Conclusion Multimodal virtual forest bathing may enhance positive affect and nature connectedness, but its benefits appear domain-specific rather than general. There was limited evidence for cognitive enhancement, restricted to working memory. Future research should focus on enhancing sensory immersion, refining outcomes, and ensuring sufficient statistic

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Daily Pain Prediction in Workplace Using Gaussian Processes

Daily Pain Prediction in Workplace Using Gaussian Processes

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16th International Joint Conference on Biomedical Engineering Systems and Technologies, BIOSTEC 2023

作者： Puri, Chetanya Keyaerts, Stijn Szymanski, Maxwell Godderis, Lode Verbert, Katrien Luca, Stijn Vanrumste, Bart KU Leuven Belgium Leuven Belgium Department ofPublic Health and Primary Care KU Leuven Leuven Belgium Department of Computer Science KU Leuven Belgium Human-computer Interaction research group Department of Computer Science KU Leuven Belgium Department of Data Analysis and Mathematical Modelling Ghent University Ghent Belgium

Work-related Musculoskeletal disorders (MSDs) account for 60% of sickness-related absences and even permanent inability to work in the Europe, Long term impacts of MSDs include "Pain chronification'' which is the transition of temporary pain into persistent pain. Preventive pain management can lower the risk of chronic pain. It is therefore important to appropriately assess pain in advance, which can assist a person in improving their fear of returning to work. In this study, we analysed pain data acquired over time by a smartphone application from a number of participants. We attempt to forecast a person's future pain levels based on his or her prior pain data. Due to the self-reported nature of the data, modelling daily pain is challenging due to the large number of missing values. For pain prediction modelling of a test subject, we employ a subset selection strategy that dynamically selects a closest subset of individuals from the training data. The similarity between the test subject and the training subjects is determined via dynamic time warping-based dissimilarity measure based on the time limited historical data until a given point in time. The pain trends of these selected subset subjects is more similar to that of the individual of interest. Then, we employ a Gaussian processes regression model for modelling the pain. We empirically test our model using a leave-one-subject-out cross validation to attain 20% improvement over state-of-the-art results in early prediction of pain. © 2023 by SCITEPRESS – Science and Technology Publications, Lda.

关键词： Prediction models

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Slow technology: Critical reflection and future directions 12

Slow technology: Critical reflection and future directions

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Designing Interactive Systems Conference, DIS '12

作者： Odom, William Banks, Richard Durrant, Abigail Kirk, David Pierce, James Carnegie Mellon University Human-Computer Interaction Institute Pittsburgh PA United States Microsoft Research Cambridge Socio-Digital Systems Group Cambridge United Kingdom Newcastle University Culture Lab. Newcastle upon Tyne United Kingdom

ISBN: (纸本)9781450312103

Over a decade ago Hallnäs and Redström's seminal article on Slow Technology [6] argued that the increasing availability of technology in environments outside of the workplace requires interaction design to be expanded from creating tools for making people's lives more efficient to creating technology that could be embedded in everyday environments over long periods of time. Since then, the Slow Technology design agenda has expanded to include issues such as (i) designing for slowness, solitude, and mental rest, (ii) designing interactive systems to be used across multiple generations and lifespans, and (iii) designing for slower, less consumptive lifestyles and practices. This workshop aims to advance the Slow Technology design program by exploring the various practical, methodological and theoretical motivations, challenges, and approaches implicated in doing research and design in this growing space. © 2012 ACM.

关键词： Availability

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Models to facilitate the development of affective resources 08

Models to facilitate the development of affective resources

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15th European Conference on Cognitive Ergonomics the Ergonomics of Cool interaction, ECCE 2008

作者： Cearreta, Idoia López, Juan Miguel Garay-Vitoria, Nestor Laboratory of Human-Computer Interaction for Special Needs Informatika Fakultatea Manuel Lardizabal 1 E-20018 Donostia Spain GRIHO Research Group University of Lleida Escola Politécnica Superior Jaume II 69 E-25001 Lleida Spain

In this paper an affective interaction model is presented. This model has been developed in order to facilitate the creation of affective resources. In this case, a conversational system able to transmit emotions has ... 详细信息

ISBN: (纸本)9781605583990

关键词： emotion models conversational systems affective computing

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Reconstructing tongue movements from audio and video

Reconstructing tongue movements from audio and video

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INTERSPEECH 2006 and 9th International Conference on Spoken Language Processing, INTERSPEECH 2006 - ICSLP

作者： Kjellström, Hedvig Engwall, Olov Bälter, Olle Div. Sensor Technology Swedish Defence Research Agency SE-164 90 Stockholm Sweden CSC KTH SE-100 44 Stockholm Sweden Human-Computer Interaction Group CSC KTH SE-100 44 Stockholm Sweden

ISBN: (纸本)9781604234497

This paper presents an approach to articulatory inversion using audio and video of the user's face, requiring no special markers. The video is stabilized with respect to the face, and the mouth region cropped out. The mouth image is projected into a learned independent component subspace to obtain a low-dimensional representation of the mouth appearance. The inversion problem is treated as one of regression;a non-linear regressor using relevance vector machines is trained with a dataset of simultaneous images of a subject's face, acoustic features and positions of magnetic coils glued to the subjects's tongue. The results show the benefit of using both cues for inversion. We envisage the inversion method to be part of a pronunciation training system with articulatory feedback. audio-visual to articulatory inversion.

关键词： Speech communication

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