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Design and Evaluation of Dual-Thumb 3D Interaction Framework for Large Tablet in Augmented Reality.

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Bibliographic Details
Title: Design and Evaluation of Dual-Thumb 3D Interaction Framework for Large Tablet in Augmented Reality.
Authors: Liang, Xiaozhan (AUTHOR), Hu, Yong (AUTHOR), Ouyang, Zehong (AUTHOR), Shen, Xukun (AUTHOR)
Source: International Journal of Human-Computer Interaction. Jul2026, Vol. 42 Issue 13, p10645-10686. 42p.
Subjects: Augmented reality, Object manipulation, User interfaces, Human-computer interaction, Pointing (Gesture), Fatigue (Physiology), Touch screen interfaces
Abstract: Interaction with 3D objects in Augmented Reality (AR) on tablets is increasingly common, yet most existing systems rely on single-handed input, causing occlusion, fatigue, and device instability. Using both hands to hold the tablet alleviates these issues. This article introduces a dual-thumb interaction framework that enhances both selection and manipulation of 3D AR content. We first propose the 3D Parabolic Ray Pointing technique, where thumb movements along the X, Y, and Z axes control the landing point for distant pointing. Comparative experiments show that this method reduces fatigue and is preferred over existing techniques. We then develop two dual-thumb techniques for 3D object selection and manipulation: (1) Planar WiM Selection with Steering Wheel Manipulation and (2) WiM-Based Selection and Manipulation. Evaluations across various tasks reveal complementary advantages. Finally, we implement these techniques in an AR sandbox application, demonstrating the framework's potential for broader adoption. [ABSTRACT FROM AUTHOR]
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Database: Psychology and Behavioral Sciences Collection
Description
Abstract:Interaction with 3D objects in Augmented Reality (AR) on tablets is increasingly common, yet most existing systems rely on single-handed input, causing occlusion, fatigue, and device instability. Using both hands to hold the tablet alleviates these issues. This article introduces a dual-thumb interaction framework that enhances both selection and manipulation of 3D AR content. We first propose the 3D Parabolic Ray Pointing technique, where thumb movements along the X, Y, and Z axes control the landing point for distant pointing. Comparative experiments show that this method reduces fatigue and is preferred over existing techniques. We then develop two dual-thumb techniques for 3D object selection and manipulation: (1) Planar WiM Selection with Steering Wheel Manipulation and (2) WiM-Based Selection and Manipulation. Evaluations across various tasks reveal complementary advantages. Finally, we implement these techniques in an AR sandbox application, demonstrating the framework's potential for broader adoption. [ABSTRACT FROM AUTHOR]
ISSN:10447318
DOI:10.1080/10447318.2025.2586817