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11th International Conference on Interfaces and human computer interaction

作者： McDonnell, Marian O'Reilly, Tara Institute of Art Design and Technology Kill Avenue Dun Laoghaire Co Dublin Ireland

ISBN: (纸本)9789898533647

64% of the Irish population use the internet as a health information resource (Gallagher, Tedstone, Moran and Kartalova-O'Doherty, 2008). This health information is used to self-diagnose and check symptoms, but anyone can upload information online, making it difficult to regulate trustworthy and untrustworthy information. When users trust inaccurate information, it can cause anxiety and unnecessary financial cost. Previous research has found online users depend on the visual appeal of a website as an indicator of trust. This impression can be formed within 50 milliseconds;regardless of information quality. The purpose of this study was to examine if trust after a short exposure (200 milliseconds) and trust after a long exposure (7 seconds) were predictors of trust after interaction. Furthermore the effect of website genre on trust and visual appeal was analysed. 25 participants rated visual appeal and 73 rated trustworthiness. There was a significant relationship between trust short and trust interaction, with trust short accounting for 36.8% of the variation in trustworthiness ratings after interaction. Website genre influences visual appeal rating but not trustworthiness ratings. From these results, it was concluded that impressions formed in 50 milliseconds can be extended to impressions formed after interaction. © 2017.

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16th IFIP TC13 International Conference on human-computer interaction, INTERACT 2017

16th IFIP TC13 International Conference on Human-Computer In...

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16th IFIP TC13 International Conference on human–computer interaction, INTERACT 2017

ISBN: (纸本)9783319676869

The proceedings contain 161 papers. The special focus in this conference is on human-computer interaction. The topics include: Co-designing a Mhealth application for self-management of cystic fibrosis;even when icons are not worth a thousand words they are helpful in designing asthma mhealth tools;keeping children safe online;mediating interaction between healthcare professionals and patients with a dual-sided tablet;stimulating conversations in residential care through technology-mediated reminiscence;viability of magazines for stimulating social interactions in nursing homes;a model to compute webpage aesthetics quality based on wireframe geometry;bringing worth maps a step further;extending mobile app analytics for usability test logging;an observational study of simultaneous and sequential interactions in co-located collaboration;dynamic UI adaptations for one-handed use of large mobile touchscreen devices;investigating notifications and awareness for multi-user multi-touch tabletop displays;designing smart shoes for obstacle detection;effects of haptic feedback in dual-task teleoperation of a mobile robot;effects of human cognitive differences on interaction and visual behavior in graphical user authentication;pupil-assisted target selection (PATS);text priming - effects of text visualizations on readers prior to reading;personalizing personal data visualizations;a technology for prediction and prevention of freezing of gait (FOG) in individuals with parkinson disease;designing user interfaces in emotionally-sensitive applications;iknowU - exploring the potential of multimodal AR smart glasses for the decoding and rehabilitation of face processing in clinical populations;a case study of a micro-funding website.

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PERSUASIVE TECHNOLOGY IN TOURISM ONLINE EXPERIENCES AND IMPLICATIONS ON TOURIST BUYING BEHAVIOUR

PERSUASIVE TECHNOLOGY IN TOURISM ONLINE EXPERIENCES AND IMPL...

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作者： PAYAL GHATNEKAR University of Plymouth

学位级别：博士

Online User Experiences (UXs) act as persuasive technology that can nudge users toward making behaviour change. This makes online UX integral to marketing. The tourism industry relies on UX to attract potential customers. Made up of 80% SMEs, the competition is high, hence the SMEs must deliver robust UXs that capture, persuade and convert users into customers. Tourism, despite being an early adopter of technology lags behind in terms of delivering UXs that meet users' expectations. Furthermore, scholarly works exploring online UX as a persuasive technology within the tourism SMEs, specifically the day-attraction SMEs segment, are lacking. Using the theoretical framework of the Persuasive Systems Design (PSD) model, this research evaluates day attraction SMEs' online UXs as persuasive technology. The research uses three mixed-methods to present the service providers' and the users' perspectives. The first method is a website content analysis that reviews the persuasive architecture of 102-day attraction websites. The second method uses questionnaires to get insights on tourists' online usage, motivations, opinions and perceptions of online UX delivered by a single day attraction SME (case study). The third method, an eye tracking experiment is an extension to the questionnaires. The outcomes show that the SMEs' incorporate persuasive UX elements corresponding to usability, visual aesthetics and credibility, but fail at incorporating strategies to support dialogue. The tourists' suggest that usability, visual aesthetics and credibility UX elements affect their decision to buy, however, certain strategies that enhance dialogue, such as ability to win rewards, are likely to nudge them toward behaviour change. Furthermore, there appears to be a link between visual aesthetics and perceived usability, and their combined effect on persuasiveness. A final outcome establishes tourist's website reading patterns, emphasising the placement of call-to-actions within an F-shape r

关键词： Tourism Behaviour Change Support Systems (BCSS) Persuasive Technology human-computer interaction User Experience (UX) Online Marketing

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aesthetics in interaction design 17

Aesthetics in interaction design

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9th ACM SIGCHI Symposium on Engineering Interactive Computing Systems, EICS 2017

作者： Mõttus, Mati Tallinn University Narva mnt 29 Tallinn Estonia

ISBN: (纸本)9781450350839

This summary describes a doctoral thesis in its final stage. The research addresses users' aesthetic perception during interaction, implying that aesthetic studies in HCI should extend beyond visual perception of beauty as well as not to become limited by the appearance of objects. The literature review showed that users aesthetic perceptions can be explained through aesthetic attributes. The review also revealed that studies in the past used mainly theories and expertise to elicit aesthetic attributes. Mixed method research design was taken in current thesis to tackle the problem and elicit personal aesthetic constructs directly from users. Finally, 23 aesthetic categories were proposed as a result of the research. In conclusion, an additional study of adding top level aesthetic categories is proposed to complete the thesis. © 2017 Association for Computing Machinery.

关键词： Design

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Interactive 3D content insertion in images for multimedia applications

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MULTIMEDIA TOOLS AND APPLICATIONS 2017年第1期76卷 163-197页

作者： Nobrega, Rui Correia, Nuno UNL FCT CITI NOVA LINCS P-2829516 Caparica Portugal Univ Porto DEI FEUP INESC TEC Oporto Portugal

This article addresses the problem of creating interactive mixed reality applications where virtual objects interact in images of real world scenarios. This is relevant to create games and architectural or space planning applications that interact with visual elements in the images such as walls, floors and empty spaces. These scenarios are intended to be captured by the users with regular cameras or using previously taken photographs. Introducing virtual objects in photographs presents several challenges, such as pose estimation and the creation of a visually correct interaction between virtual objects and the boundaries of the scene. The two main research questions addressed in this article include, the study of the feasibility of creating interactive augmented reality (AR) applications where virtual objects interact in a real world scenario using the image detected high-level features and, also, verifying if untrained users are capable and motivated enough to perform AR initialization steps. The proposed system detects the scene automatically from an image with additional features obtained using basic annotations from the user. This operation is significantly simple to accommodate the needs of non-expert users. The system analyzes one or more photos captured by the user and detects high-level features such as vanishing points, floor and scene orientation. Using these features it will be possible to create mixed and augmented reality applications where the user interactively introduces virtual objects that blend with the picture in real time and respond to the physical environment. To validate the solution several system tests are described and compared using available external image datasets.

关键词： Mixed and augmented reality Multimedia computer vision computer graphics human-computer interaction

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Colors - Messengers of Concepts: visual Design Mining for Learning Color Semantics

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ACM TRANSACTIONS ON computer-human interaction 2017年第1期24卷 2-2页

作者： Jahanian, Ali Keshvari, Shaiyan Vishwanathan, S. V. N. Allebach, Jan P. MIT Comp Sci & Artificial Intelligence Lab Cambridge MA 02139 USA MIT Dept Brain & Cognit Sci Cambridge MA 02139 USA Univ Calif Santa Cruz Jack Baskin Sch Engn Comp Sci Dept Santa Cruz CA 95064 USA Purdue Univ Sch Elect & Comp Engn W Lafayette IN 47907 USA Purdue Univ W Lafayette IN 47907 USA Purdue Univ Dept Comp Sci W Lafayette IN 47907 USA Purdue Univ Dept Stat W Lafayette IN 47907 USA

We study the concept of color semantics by modeling a dataset of magazine cover designs, evaluating the model via crowdsourcing, and demonstrating several prototypes that facilitate color-related design tasks. We investigate a probabilistic generative modeling framework that expresses semantic concepts as a combination of color and word distributions-color-word topics. We adopt an extension to Latent Dirichlet Allocation (LDA) topic modeling, called LDA-dual, to infer a set of color-word topics over a corpus of 2,654 magazine covers spanning 71 distinct titles and 12 genres. Although LDA models text documents as distributions over word topics, we model magazine covers as distributions over color-word topics. The results of our crowdsourcing experiments confirm that the model is able to successfully discover the associations between colors and linguistic concepts. Finally, we demonstrate several prototype applications that use the learned model to enable more meaningful interactions in color palette recommendation, design example retrieval, pattern recoloring, image retrieval, and image color selection.

关键词： Color semantics topic modeling generative models visual design mining visual design language interaction design aesthetics color palette recommendation design example retrieval image retrieval image color selection pattern recoloring

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Appraisals of Salient visual Elements in Web Page Design

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ADVANCES IN human-computer interaction 2016年第1期2016卷 1-15页

作者： Silvennoinen, Johanna M. Jokinen, Jussi P. P. Univ Jyvaskyla Dept Comp Sci & Informat Syst Mattilanniemi 2 SF-40100 Jyvaskyla Finland

visual elements in user interfaces elicit emotions in users and are, therefore, essential to users interacting with different software. Although there is research on the relationship between emotional experience and visual user interface design, the focus has been on the overall visual impression and not on visual elements. Additionally, often in a software development process, programming and general usability guidelines are considered as the most important parts of the process. Therefore, knowledge of programmers' appraisals of visual elements can be utilized to understand the web page designs we interact with. In this study, appraisal theory of emotion is utilized to elaborate the relationship of emotional experience and visual elements from programmers' perspective. Participants (N = 50) used 3E-templates to express their visual and emotional experiences of web page designs. Content analysis of textual data illustrates how emotional experiences are elicited by salient visual elements. Eight hierarchical visual element categories were found and connected to various emotions, such as frustration, boredom, and calmness, via relational emotion themes. The emotional emphasis was on centered, symmetrical, and balanced composition, which was experienced as pleasant and calming. The results benefit user-centered visual interface design and researchers of visual aesthetics in human-computer interaction.

关键词： Appraisal User interface Web design Emotion human-computer interaction

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Interface aesthetics effect on usability: A comparison of two screen designs 18th

Interface aesthetics effect on usability: A comparison of tw...

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18th International Conference on human-computer interaction, HCI International 2016

作者： Zhao, Liang Vorvoreanu, Mihaela Computer Graphics Technology Purdue University West LafayetteIN United States

ISBN: (纸本)9783319395098

An empirical study was conducted to examine whether the redesigned version of an online interactive visual analytics platform has a positive effect on perceived usability. 8 participants took part in the experiment, completed 8 tasks and answered follow-up interviews. The results show that the effect on perceived usability is positive, and it provides insights of participants’ attitude toward the correlation between aesthetics and usability. Limitations and future work are addressed after the discussion. © Springer International Publishing Switzerland 2016.

关键词： Usability engineering

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Usable, Aesthetic, Sociable and Motivating Interface for Students' Online Knowledge Sharing 3rd

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3rd International Conference on Learning and Collaboration Technologies (LCT) Held as Part of 18th International Conference on human-computer interaction (HCI International)

作者： Ramakrisnan, Prasanna Jaafar, Azizah Univ Teknol MARA I Learn Ctr I LeC Shah Alam 40450 Malaysia Univ Teknol MARA Melaka Fac Comp & Math Sci FSKM Melaka Malaysia Natl Univ Malaysia Inst Visual Informat Bangi Malaysia

ISBN: (纸本)9783319394831;9783319394824

Online knowledge sharing is an important factor in ensuring students continues learning outside the classroom. The advancement of technology now allows the students' sharing of knowledge to take place regardless of time and place in an online learning environment using an online discussion interface. Efforts have been taken by many higher education institutions to encourage students to share their knowledge in online discussion interface, but however it fails to sustain the knowledge sharing activities. This poses the question of how to promote the knowledge sharing activities among students. While previous research adopted the usability and sociability as antecedents for the online knowledge sharing activities, this study further explores visual aesthetics and intrinsic motivation design as additional two antecedents. We propose a set of contextual gamification and social media strategies which apply self-determination theory to self-motivate students for online knowledge sharing. It was found the game and social media elements can motivate the user in the online interface. The implementation of game elements in online interface can engage users while encouraging their activities for learning. Thus intrinsic motivation was designed using a set of gamification and social media specifications to enhance students' self-motivation for knowledge sharing activities. The research model with 53 items was tested for content validity to identify the initial measures for online knowledge sharing. Based on the content validity analysis, 20 items that does not fit into the criteria was discarded from the instrument. Our finding reveals that 33 items from usability, visual aesthetics, sociality and intrinsic motivation design can be used for initial development of online knowledge sharing model.

关键词： Online knowledge sharing Gamification Motivating interface

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The "life and death" of great Finnish fashion phones: A periodization of changing styles in Nokia phone design between 1992 and 2013

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MOBILE MEDIA & COMMUNICATION 2016年第3期4卷 385-404页

作者： Zhang, Yanqing Juhlin, Oskar Univ Stockholm Mobile Life Ctr Dept Comp & Syst Sci Human Comp Interact Stockholm Sweden Univ Stockholm Mobile Life Ctr Dept Comp & Syst Sci Stockholm Sweden

visual aesthetics is an essential part of our experience of mobile devices, but the ways in which it is accounted for in design have largely been overlooked. We investigate whether an aesthetization of mobile design is taking place and, if so, how it is being pursued through institutional practices in organizations. We conduct a visual analysis of all Nokia phone releases between 1992 and 2013 complemented by an interview series with key actors. The study reveals a continuous increase in aesthetic variation between 1998 and 2008, which is visible in the variation of colors, forms, and materials. The period between 2003 and 2008, which we term the "Grand" period, marks the peak of aesthetization of Nokia's devices. It exhibits great variation, and is visibly similar to aesthetics in the fashion industry. With the introduction of the slate form, we see a decrease in visual variation between 2009 and 2013. The interviews reveal how the visual design was driven by organizational strategies, such as customer segmentation in general, and an orientation toward the fashion industry, for example, in the creation of a fashion segment. The study reveals how aesthetic variation is weaved into a complex innovation system with sometimes conflicting demands deriving from, for instance, technology and user interaction.

关键词： aesthetization fashion mobile phone design Nokia periodization visual variation

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