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PenSight: Enhanced Interaction with a Pen-Top Camera

Published: 23 April 2020 Publication History

Abstract

We propose mounting a downward-facing camera above the top end of a digital tablet pen. This creates a unique and practical viewing angle for capturing the pen-holding hand and the immediate surroundings which can include the other hand. The fabrication of a prototype device is described and the enabled interaction design space is explored, including dominant and non-dominant hand pose recognition, tablet grip detection, hand gestures, capturing physical content in the environment, and detecting users and pens. A deep learning computer vision pipeline is developed for classification, regression, and keypoint detection to enable these interactions. Example applications demonstrate usage scenarios and a qualitative user evaluation confirms the potential of the approach.

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  1. PenSight: Enhanced Interaction with a Pen-Top Camera

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      cover image ACM Conferences
      CHI '20: Proceedings of the 2020 CHI Conference on Human Factors in Computing Systems
      April 2020
      10688 pages
      ISBN:9781450367080
      DOI:10.1145/3313831
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      Published: 23 April 2020

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      1. hand pose estimation
      2. pen input
      3. tablet input

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      • (2024)OptiBasePen: Mobile Base+Pen Input on Passive Surfaces by Sensing Relative Base Motion Plus Close-Range Pen PositionProceedings of the 37th Annual ACM Symposium on User Interface Software and Technology10.1145/3654777.3676467(1-9)Online publication date: 13-Oct-2024
      • (2024)EarAuthCam: Personal Identification and Authentication Method Using Ear Images Acquired with a Camera-Equipped Hearable DeviceProceedings of the Augmented Humans International Conference 202410.1145/3652920.3653059(119-130)Online publication date: 4-Apr-2024
      • (2024)Spreadsheets on Interactive Surfaces: Breaking through the Grid with the PenACM Transactions on Computer-Human Interaction10.1145/363009731:2(1-33)Online publication date: 29-Jan-2024
      • (2024)TipTrack: Precise, Low-Latency, Robust Optical Pen Tracking on Arbitrary Surfaces Using an IR-Emitting Pen TipProceedings of the Eighteenth International Conference on Tangible, Embedded, and Embodied Interaction10.1145/3623509.3633366(1-13)Online publication date: 11-Feb-2024
      • (2024)PenLab: Towards Understanding of Active Collaboration for Solid Geometry TeachingExtended Abstracts of the CHI Conference on Human Factors in Computing Systems10.1145/3613905.3650789(1-7)Online publication date: 11-May-2024
      • (2024)DirActor: Creating Interaction Illustrations by Oneself through Directing and Acting Simultaneously in VRExtended Abstracts of the CHI Conference on Human Factors in Computing Systems10.1145/3613905.3650768(1-6)Online publication date: 11-May-2024
      • (2024)A digital pen-based writing state recognition algorithm for student performance assessmentNeural Computing and Applications10.1007/s00521-024-09955-wOnline publication date: 25-Jun-2024
      • (2023)Acoustic+Pose: Adding Input Modality to Smartphones with Near-Surface Hand-Pose Recognition using Acoustic SurfaceProceedings of the 2023 International Symposium on Wearable Computers10.1145/3594738.3611362(44-49)Online publication date: 8-Oct-2023
      • (2023)Estimation of Brush Type Passive Stylus Angles Using Capacitive ImageProceedings of the Seventeenth International Conference on Tangible, Embedded, and Embodied Interaction10.1145/3569009.3573112(1-6)Online publication date: 26-Feb-2023
      • (2023)OmniSense: Exploring Novel Input Sensing and Interaction Techniques on Mobile Device with an Omni-Directional CameraProceedings of the 2023 CHI Conference on Human Factors in Computing Systems10.1145/3544548.3580747(1-18)Online publication date: 19-Apr-2023
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