Abstract
This paper proposes an interaction method to conveniently manipulate a virtual object by combining touch interaction and head movements for a head-mounted display (HMD), which provides mobile augmented reality (AR). A user can conveniently manipulate a virtual object with touch interaction recognized from the inertial measurement unit (IMU) attached to the index finger’s nail and head movements tracked by the IMU embedded in the HMD. We design two interactions that combine touch and head movements, to manipulate a virtual object on a mobile HMD. Each designed interaction method manipulates virtual objects by controlling ray casting and adjusting widgets. To evaluate the usability of the designed interaction methods, a user evaluation is performed in comparison with the hand interaction using Hololens. As a result, the designed interaction method receives positive feedback that virtual objects can be manipulated easily in a mobile AR environment.
Highlights
Manipulating a virtual object is a fundamental and essential interaction task for a user experiencing augmented reality (AR)
Providing room modeling using the simultaneous localization and mapping (SLAM) algorithm, some head-mounted display (HMD) [3,4] allow a user to interact with virtual contents [6]
When a participant fulfilled Manipulation 1 and Manipulation 2, which were the tasks of translating a virtual object, Hand Interaction took longer than Head Interaction and Finger Interaction
Summary
Manipulating a virtual object is a fundamental and essential interaction task for a user experiencing augmented reality (AR). To achieve this, selecting, moving, rotating, and changing the size of virtual objects are basic tasks [1]. The selection, movement, and rotation of an (virtual) object, which are used to manipulate a real object in everyday life, should be possible in an AR environment. Providing room modeling using the simultaneous localization and mapping (SLAM) algorithm, some HMDs [3,4] allow a user to interact with virtual contents [6]. A virtual interior task [7,8], which adds virtual furniture in a real room, requires an interaction method for repeatedly and conveniently manipulating the remote virtual object in the AR environment
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