Eduardo Velloso

Shape-Sphere: A metric space for analysing time series by their shape

Yousef Kowsar, Masud Moshtaghi, Eduardo Velloso, James C Bezdek, Lars Kulik, Christopher Leckie

Journal article  |  2022  |  INFORMATION SCIENCES

Shape analogy is a key technique in analyzing time series. That is, time series are compared by how much they look alike. This con..

GAVIN: Gaze-Assisted Voice-Based Implicit Note-taking

Anam Ahmad Khan, Joshua Newn, Ryan M Kelly, Namrata Srivastava, James Bailey, Eduardo Velloso

Journal article  |  2021  |  ACM Transactions on Computer-Human Interaction

Annotation is an effective reading strategy people often undertake while interacting with digital text. It involves highlighting p..

Impact of Task on Attentional Tunneling in Handheld Augmented Reality

Brandon Syiem, Ryan Kelly, Jorge Goncalves, Eduardo Velloso, Tilman Dingler

Conference Proceedings  |  2021  |  Proceedings of the 2021 ACM CHI Conference on Human Factors in Computing Systems

Attentional tunneling describes a phenomenon in Augmented Reality (AR) where users excessively focus on virtual content while negl..

A critique of electrodermal activity practices at chi

E Babaei, B Tag

Conference Proceedings  |  2021  |  Conference on Human Factors in Computing Systems - Proceedings

Electrodermal activity data is widely used in HCI to capture rich and unbiased signals. Results from related felds, however, have ..

Dance and choreography in hci: A two-decade retrospective

Q Zhou, CC Chua, J Knibbe, J Goncalves, E Velloso

Conference Proceedings  |  2021  |  Conference on Human Factors in Computing Systems - Proceedings

Designing computational support for dance is an emerging area of HCI research, incorporating the cultural, experiential, and embod..

Gaze-supported 3d object manipulation in virtual reality

D Yu, X Lu

Conference Proceedings  |  2021  |  Conference on Human Factors in Computing Systems - Proceedings

This paper investigates integration, coordination, and transition strategies of gaze and hand input for 3D object manipulation in ..

A probabilistic interpretation of motion correlation selection techniques

E Velloso, CH Morimoto

Conference Proceedings  |  2021  |  Conference on Human Factors in Computing Systems - Proceedings

Motion correlation interfaces are those that present targets moving in diferent patterns, which the user can select by matching th..

Conceptualising Contestability

Henrietta Lyons, Eduardo Velloso, Tim Miller

Journal article  |  2021  |  Proceedings of the ACM on Human-Computer Interaction

Are you with me? Measurement of learners' video-watching attention with eye tracking

N Srivastava, S Nawaz, J Newn, J Lodge, E Velloso, SM Erfani, D Gasevic, J Bailey

Conference Proceedings  |  2021  |  ACM International Conference Proceeding Series

Video has become an essential medium for learning. However, there are challenges when using traditional methods to measure how lea..

Designing a Tangible Device for Re-Framing Unproductivity

Judith Sirera, Eduardo Velloso

Conference Proceedings  |  2021  |  HUMAN-COMPUTER INTERACTION, INTERACT 2021, PT IV

We report on the design of a tangible device for encouraging the acceptance of unproductive time on office workers. We first condu..