Integrating Text with Video and 3D Graphics

Jankowski, Jacek; Samp, Krystian; Irzynska, Izabela; Jozwowicz, Marek; Decker, Stefan

doi:10.1145/1753326.1753524

Cited by 72 publications

(12 citation statements)

References 24 publications

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“…Presenting information through text is a fundamental characteristic of conventional lessons. However, in a VE it is a nontrivial problem [20]. Understanding how users interacted with the information windows can provide insights on how to improve this aspect of VR educational system.…”

Section: Video Analysismentioning

confidence: 99%

LIVE: the Human Role in Learning in Immersive Virtual Environments

Simeone

Speicher

Molnar

et al. 2019

Symposium on Spatial User Interaction

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This work studies the role of a human instructor within an immersive VR lesson. Our system allows the instructor to perform "contact teaching" by demonstrating concepts through interaction with the environment, and the student to experiment with interaction prompts. We conducted a between-subjects user study with two groups of students: one experienced the VR lesson while immersed together with an instructor; the other experienced the same contents demonstrated through animation sequences simulating the actions that the instructor would take. Results show that the Two-User version received significantly higher scores than the Single-User version in terms of overall preference, clarity, and helpfulness of the explanations. When immersed together with an instructor, users were more inclined to engage and progress further with the interaction prompts, than when the instructor was absent. Based on the analysis of videos and interviews, we identified design recommendations for future immersive VR educational experiences. CCS CONCEPTS • Human-centered computing → Virtual reality; • Applied computing → Interactive learning environments.

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Section: Video Analysismentioning

confidence: 99%

LIVE: the Human Role in Learning in Immersive Virtual Environments

Simeone

Speicher

Molnar

et al. 2019

Symposium on Spatial User Interaction

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“…We used icons, as text presentation affects readability [11], [16]. To avoid any effect of other factors influencing eye movements (such as color or contrast [10]), our interfaces are composed of icons extracted from a standardized set of black-and-white items with similar visual complexity [19].…”

Section: Interface Contentmentioning

confidence: 99%

Finding Information on Non-Rectangular Interfaces

Simon

Roudaut

Irani

et al. 2019

Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems

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With upcoming breakthroughs in free-form display technologies, new user interface design challenges have emerged. Here, we investigate a question, which has been widely explored on traditional GUIs but unexplored on non-rectangular interfaces: what are the user strategies in terms of visual search when information is not presented in a traditional rectangular layout? To achieve this, we present two complementary studies investigating eye movements in different visual search tasks. Our results unveil which areas are seen first according to different visual structures. By doing so we address the question of where to place relevant content for the UI designers of non-rectangular displays.

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“…However, their layout strat-egy expressly did not preserve the registration of the digital information on the real objects. Jankowski, Samp, Irzynska, Jozwowicz, and Decker (2010) explored the effects of varying four text drawing styles (plain, billboard, anti-interference, and shadow), image polarity (positive when dark characters are on a light-colored panel and conversely for negative), and two backgrounds: the first one with videos recorded in urban and outdoor environments and the second one recorded in 3D video games. They found out that there was little difference in reading performance for video and 3D backgrounds.…”

Section: Related Workmentioning

confidence: 99%

Augmented Reality Text Style Readability with See-Through Head-Mounted Displays in Industrial Context

Fiorentino

Debernardis

Uva

et al. 2013

Presence: Teleoperators and Virtual Environments

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The application of augmented reality in industrial environments requires an effective visualization of text on a see-through head-mounted display (HMD). The main contribution of this work is an empirical study of text styles as viewed through a monocular optical see-through display on three real workshop backgrounds, examining four colors and four different text styles. We ran 2,520 test trials with 14 participants using a mixed design and evaluated completion time and error rates. We found that both presentation mode and background influence the readability of text, but there is no interaction effect between these two variables. Another interesting aspect is that the presentation mode differentially influences completion time and error rate. The present study allows us to draw some guidelines for an effective use of AR text visualization in industrial environments. We suggest maximum contrast when reading time is important, and the use of colors to reduce errors. We also recommend a colored billboard with transparent text where colors have a specific meaning.

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Integrating Text with Video and 3D Graphics

Cited by 72 publications

References 24 publications

LIVE: the Human Role in Learning in Immersive Virtual Environments

LIVE: the Human Role in Learning in Immersive Virtual Environments

Finding Information on Non-Rectangular Interfaces

Augmented Reality Text Style Readability with See-Through Head-Mounted Displays in Industrial Context

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