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Lucas Herfort

dblp:318/7607 · DBLP profile ↗
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2ranked-venue papers
0as first author
2since 2021 · last 2025
0009-0009-9941-0926ORCID · corroborated

Domains — the database's venue-derived domains; a paper can count in several

Graphics, computer vision, multimedia, augmented reality and games · 2 · 2 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Human-computer interaction and pervasive computing
1 paper
Interaction techniques and input · 67% Haptics and multimodal interaction · 33%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Haptics and multimodal interaction
haptic feedback
0.912025
The Impact of Visual and Haptic Feedback on Keyboard Typing in Immersive Virtual Environments · IEEE Trans. Vis. Comput. Graph. 2025
Interaction techniques and input
text entry
0.912025
The Impact of Visual and Haptic Feedback on Keyboard Typing in Immersive Virtual Environments · IEEE Trans. Vis. Comput. Graph. 2025
Interaction techniques and input › text entry
virtual reality typing
0.912025
The Impact of Visual and Haptic Feedback on Keyboard Typing in Immersive Virtual Environments · IEEE Trans. Vis. Comput. Graph. 2025

Methods — techniques the papers use, named apart from their topics

user study · 0.9
YearPublicationVenuePosition
2025 The Impact of Visual and Haptic Feedback on Keyboard Typing in Immersive Virtual Environments
abstract
Typing with a keyboard is a common task in content production in the workplace. For simulation purposes in VR environments, it is important for users to perform this task accurately, with minimal performance loss, and without distraction. One common approach is using mid-air typing on virtual keyboards. However, this method presents challenges, particularly due to the lack of haptic feedback and spatial awareness. Various solutions have been suggested in the literature to address these challenges, but several design factors that influence performance, behavior, and user experience still need to be explored. This paper investigates the effects of two types of visual feedback (hover and keypress) and three passive haptic feedback conditions (physical keyboard, physical surface, and a mid-air virtual keyboard with no haptic feedback) and the possible interactions between these factors on typing using the two index fingers in VR. Results show that keypress visual feedback enhanced typing speed and reduced workload, while hover feedback lowered error rates but negatively impacted typing speed. Additionally, using a physical keyboard to provide passive haptic feedback increased the error rate. This increase in the error rate could be attributed to inaccuracies in finger and keyboard tracking, which may have caused a misalignment between the physical and virtual environments. Regarding eye gaze behavior, participants spent more time looking at the keyboard with the keypress visual feedback and when no haptic feedback was provided. Finally, participants rated the physical keyboard as the least usable option.
Amine Chellali, Lucas Herfort, Guillaume Loup, Marie-Hélène Ferrer
IEEE Trans. Vis. Comput. Graph.2
2024 Design and evaluation of UltRASim: An immersive simulator for learning ultrasound-guided regional anesthesia basic skills
Cassandre Simon, Lucas Herfort, Flavien Lebrun, Elsa Brocas, Samir Otmane, Amine Chellali
Comput. Graph.2