Antonio Krüger
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View article: Seeing, Hearing, Feeling: Designing Multimodal Alerts for Critical Drone Scenarios
Seeing, Hearing, Feeling: Designing Multimodal Alerts for Critical Drone Scenarios Open
View article: How low can you go: evaluating electrode reduction methods for EEG-based speech imagery BCIs
How low can you go: evaluating electrode reduction methods for EEG-based speech imagery BCIs Open
Speech imagery brain-computer interfaces (SI-BCIs) aim to decode imagined speech from brain activity and have been successfully established using non-invasive brain measures such as electroencephalography (EEG). However, current EEG-based …
View article: Your Interface, Your Control: Adapting Takeover Requests for Seamless Handover in Semi-Autonomous Vehicles
Your Interface, Your Control: Adapting Takeover Requests for Seamless Handover in Semi-Autonomous Vehicles Open
With the automotive industry transitioning towards conditionally automated driving, takeover warning systems are crucial for ensuring safe collaborative driving between users and semi-automated vehicles. However, previous work has focused …
View article: Distinguishing Target and Non-Target Fixations with EEG and Eye Tracking in Realistic Visual Scenes
Distinguishing Target and Non-Target Fixations with EEG and Eye Tracking in Realistic Visual Scenes Open
Distinguishing target from non-target fixations during visual search is a fundamental building block to understand users' intended actions and to build effective assistance systems. While prior research indicated the feasibility of classif…
View article: Explaining Reasoning Results for OWL Ontologies with Evee
Explaining Reasoning Results for OWL Ontologies with Evee Open
One of the advantages of formalizing domain knowledge in OWL ontologies is that one can use reasoning systems to infer implicit information automatically. However, it is not always straightforward to understand why certain entailments are …
View article: AdaptoML-UX: An Adaptive User-centered GUI-based AutoML Toolkit for Non-AI Experts and HCI Researchers
AdaptoML-UX: An Adaptive User-centered GUI-based AutoML Toolkit for Non-AI Experts and HCI Researchers Open
The increasing integration of machine learning across various domains has underscored the necessity for accessible systems that non-experts can utilize effectively. To address this need, the field of automated machine learning (AutoML) has…
View article: Auditory, Visual, or Both? Comparing Visual and Auditory Representations of Game Elements in a Gamified Image-Tagging Task
Auditory, Visual, or Both? Comparing Visual and Auditory Representations of Game Elements in a Gamified Image-Tagging Task Open
In gamification users show increased motivation and engagement towards tasks. So far, this effect has mostly been empirically tested based on the visual depiction of game elements, while research on the use and addition of auditory aspects…
View article: Like It or Not: Exploring the Impact of (Dis)liked Background Music on Player Behavior and Experience
Like It or Not: Exploring the Impact of (Dis)liked Background Music on Player Behavior and Experience Open
Entertainment media, including video games, utilize background music (BGM) to enhance ambiance and gameplay, with a growing trend of players replacing in-game audio with personal music for potentially improved gameplay. Yet, research has n…
View article: Implementation and Evaluation of a Gait Training Assistant for the Use of Crutches: Usability Study
Implementation and Evaluation of a Gait Training Assistant for the Use of Crutches: Usability Study Open
Background Surgical procedures on the lower extremities often require weight-bearing on crutches as part of the rehabilitation process. Orthopedic elective procedures enable patients to learn the correct use of crutches in a controlled pre…
View article: VR-based Competence Training at Scale: Teaching Clinical Skills in the Context of Virtual Brain Death Examination
VR-based Competence Training at Scale: Teaching Clinical Skills in the Context of Virtual Brain Death Examination Open
Teaching medical practical and soft skills in clinical routines is increasingly difficult, and manikin or actor-based simulations have gained popularity in the last decades. These simulations, however, hardly scale with the demand, are com…
View article: The Impact of Avatar Completeness on Embodiment and the Detectability of Hand Redirection in Virtual Reality
The Impact of Avatar Completeness on Embodiment and the Detectability of Hand Redirection in Virtual Reality Open
To enhance interactions in VR, many techniques introduce offsets between the virtual and real-world position of users' hands. Nevertheless, such hand redirection (HR) techniques are only effective as long as they go unnoticed by users—not …
View article: Beyond the Blink: Investigating Combined Saccadic & Blink-Suppressed Hand Redirection in Virtual Reality
Beyond the Blink: Investigating Combined Saccadic & Blink-Suppressed Hand Redirection in Virtual Reality Open
In pursuit of hand redirection techniques that are ever more tailored to human perception, we propose the first algorithm for hand redirection in virtual reality that makes use of saccades, i.e., fast ballistic eye movements that are accom…
View article: Looking for a better fit? An Incremental Learning Multimodal Object Referencing Framework adapting to Individual Drivers
Looking for a better fit? An Incremental Learning Multimodal Object Referencing Framework adapting to Individual Drivers Open
The rapid advancement of the automotive industry towards automated and\nsemi-automated vehicles has rendered traditional methods of vehicle\ninteraction, such as touch-based and voice command systems, inadequate for a\nwidening range of no…
View article: 8 Literatur
8 Literatur Open
View article: Designing for passengers' information needs on fellow travelers: A comparison of day and night rides in shared automated vehicles
Designing for passengers' information needs on fellow travelers: A comparison of day and night rides in shared automated vehicles Open
Shared automated mobility-on-demand promises efficient, sustainable, and flexible transportation. Nevertheless, security concerns, resilience, and their mutual influence - especially at night - will likely be the most critical barriers to …
View article: Toward a Surgeon-in-the-Loop Ophthalmic Robotic Apprentice using Reinforcement and Imitation Learning
Toward a Surgeon-in-the-Loop Ophthalmic Robotic Apprentice using Reinforcement and Imitation Learning Open
Robot-assisted surgical systems have demonstrated significant potential in enhancing surgical precision and minimizing human errors. However, existing systems cannot accommodate individual surgeons' unique preferences and requirements. Add…
View article: SynthoGestures: A Novel Framework for Synthetic Dynamic Hand Gesture Generation for Driving Scenarios
SynthoGestures: A Novel Framework for Synthetic Dynamic Hand Gesture Generation for Driving Scenarios Open
Creating a diverse and comprehensive dataset of hand gestures for dynamic\nhuman-machine interfaces in the automotive domain can be challenging and\ntime-consuming. To overcome this challenge, we propose using synthetic gesture\ndatasets g…
View article: Turn-It-Up: Rendering Resistance for Knobs in Virtual Reality through Undetectable Pseudo-Haptics
Turn-It-Up: Rendering Resistance for Knobs in Virtual Reality through Undetectable Pseudo-Haptics Open
Rendering haptic feedback for interactions with virtual objects is an essential part of effective virtual reality experiences. In this work, we explore providing haptic feedback for rotational manipulations, e.g., through knobs. We propose…
View article: Implicit Search Intent Recognition using EEG and Eye Tracking: Novel Dataset and Cross-User Prediction
Implicit Search Intent Recognition using EEG and Eye Tracking: Novel Dataset and Cross-User Prediction Open
For machines to effectively assist humans in challenging visual search tasks, they must differentiate whether a human is simply glancing into a scene (navigational intent) or searching for a target object (informational intent). Previous r…
View article: Using Abstract Tangible Proxy Objects for Interaction in Optical See-through Augmented Reality
Using Abstract Tangible Proxy Objects for Interaction in Optical See-through Augmented Reality Open
Interaction with virtual objects displayed in Optical See-through Augmented Reality is still mostly done with controllers or hand gestures. A much more intuitive way of interacting with virtual content is to use physical proxy objects to i…
View article: Designing for Passengers' Information Needs on Fellow Travelers: A Comparison of Day and Night Rides in Shared Automated Vehicles
Designing for Passengers' Information Needs on Fellow Travelers: A Comparison of Day and Night Rides in Shared Automated Vehicles Open
Shared automated mobility-on-demand promises efficient, sustainable, and flexible transportation. Nevertheless, security concerns, resilience, and their mutual influence - especially at night - will likely be the most critical barriers to …
View article: Prototyping Autonomous Vehicle Windshields with AR and Real-Time Object Detection Visualization: An On-Road Wizard-of-Oz Study
Prototyping Autonomous Vehicle Windshields with AR and Real-Time Object Detection Visualization: An On-Road Wizard-of-Oz Study Open
Autonomous vehicles (AVs; SAE levels 4 and 5) face substantial challenges regarding acceptance and UX. Novel human-machine interfaces (HMIs) providing transparent system information could account for those and facilitate adoption. However,…
View article: Frontmatter
Frontmatter Open
View article: Teach Me How to Learn: A Perspective Review towards User-centered Neuro-symbolic Learning for Robotic Surgical Systems
Teach Me How to Learn: A Perspective Review towards User-centered Neuro-symbolic Learning for Robotic Surgical Systems Open
Recent advances in machine learning models allowed robots to identify objects on a perceptual nonsymbolic level (e.g., through sensor fusion and natural language understanding). However, these primarily black-box learning models still lack…
View article: MetaReality: enhancing tactile experiences using actuated 3D-printed metamaterials in Virtual Reality
MetaReality: enhancing tactile experiences using actuated 3D-printed metamaterials in Virtual Reality Open
During interaction with objects in Virtual Reality haptic feedback plays a crucial role for creating convincing immersive experiences. Recent work building upon passive haptic feedback has looked towards fabrication processes for designing…
View article: Induce a Blink of the Eye: Evaluating Techniques for Triggering Eye Blinks in Virtual Reality
Induce a Blink of the Eye: Evaluating Techniques for Triggering Eye Blinks in Virtual Reality Open
As more and more virtual reality (VR) headsets support eye tracking, recent techniques started to use eye blinks to induce unnoticeable manipulations to the virtual environment, e.g., to redirect users' actions. However, to exploit their f…
View article: Holitouch: Conveying Holistic Touch Illusions by Combining Pseudo-Haptics With Tactile and Proprioceptive Feedback During Virtual Interaction With 3DUIs
Holitouch: Conveying Holistic Touch Illusions by Combining Pseudo-Haptics With Tactile and Proprioceptive Feedback During Virtual Interaction With 3DUIs Open
Virtual reality technology and immersive virtual environments often support realistic hand representations via hand-posture-sensing controllers or hand tracking for natural hand-based interaction. However, one limiting factor remains as th…
View article: Viewer types in game live streams: questionnaire development and validation
Viewer types in game live streams: questionnaire development and validation Open
View article: Frontmatter
Frontmatter Open
View article: US, Chinese, German VCs Selection Criteria for Investments Into AI Start-Ups
US, Chinese, German VCs Selection Criteria for Investments Into AI Start-Ups Open