Ludwig Sidenmark

schoolLancaster Universitybar_chart#1732 Global Rank

Total Papers

HCI Rank

#1732

Research Areas

Years Active

Recent Publications

Classifying Head Movements to Separate Head-Gaze and Head Gestures as Distinct Modes of Input

Head movement is widely used as a uniform type of input for human-computer interaction. However, there are fundamental differences between head movements coupled with gaze in support of our visual system, and head movements performed as gestural expression. Both Head-Gaze and Head Gestures are of utility for interacti…

CHI '233rd AuthorEye Tracking & Gaze Interaction +2

Speech-Augmented Cone-of-Vision for Exploratory Data Analysis

Mutual awareness of visual attention is crucial for successful collaboration. Previous research has explored various ways to represent visual attention, such as field-of-view visualizations and cursor visualizations based on eye-tracking, but these methods have limitations. Verbal communication is often utilized as a…

CHI '231st AuthorEye Tracking & Gaze Interaction +1

Vergence Matching: Inferring Attention to Objects in 3D Environments for Gaze-Assisted Selection

Gaze pointing is the de facto standard to infer attention and interact in 3D environments but is limited by motor and sensor limitations. To circumvent these limitations, we propose a vergence-based motion correlation method to detect visual attention toward very small targets. Smooth depth movements relative to the u…

CHI '211st AuthorEye Tracking & Gaze Interaction +2

Radi-Eye: Hands-free Radial Interfaces for 3D Interaction using Gaze-activated Head-crossing

Eye gaze and head movement are attractive for hands-free 3D interaction in head-mounted displays, but existing interfaces afford only limited control. Radi-Eye is a novel pop-up radial interface designed to maximise expressiveness with input from only the eyes and head. Radi-Eye provides widgets for discrete and conti…

CHI '201st AuthorEye Tracking & Gaze Interaction +1

Outline Pursuits: Gaze-assisted Selection of Occluded Objects in Virtual Reality

In 3D environments, objects can be difficult to select when they overlap, as this affects available target area and increases selection ambiguity. We introduce Outline Pursuits which extends a primary pointing modality for gaze-assisted selection of occluded objects. Candidate targets within a pointing cone are presen…

UIST '191st AuthorFull-Body Interaction & Embodied Input +1

Eye&Head: Synergetic Eye and Head Movement for Pointing and Selection

Eye gaze involves the coordination of eye and head movement to acquire gaze targets, but existing approaches to gaze pointing are based on eye-tracking in abstraction from head motion. We propose to leverage the synergetic movement of eye and head, and identify design principles for Eye&Head gaze interaction. We intro…

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