Hand-Based Disocclusion for the World-in-Miniature Metaphor

Andújar, Carlos

doi:10.1162/pres_a_00018

Cited by 4 publications

(6 citation statements)

References 14 publications

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“…An alternative solution is the World-in-Miniature metaphor [86], which provides the user with an additional viewport displaying the virtual environment from a third-person perspective. In order to afford for direct manipulation, the content displayed in the WIM can be manually adjusted to contain only a portion of the VE [103] or automatically adjust the content removing potential occluders [3] (see Figure 15).…”

Section: Object Densitymentioning

confidence: 99%

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A survey of 3D object selection techniques for virtual environments

Argelaguet

Andújar

2013

Computers & Graphics

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403

228

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Computer graphics applications controlled through natural gestures are gaining increasing popularity these days due to recent developments in low-cost tracking systems and gesture recognition technologies. Although interaction techniques through natural gestures have already demonstrated their benefits in manipulation, navigation and avatar-control tasks, effective selection with pointing gestures remains an open problem. In this paper we survey the state-of-the-art in 3D object selection techniques. We review important findings in human control models, analyze major factors influencing selection performance, and classify existing techniques according to a number of criteria. Unlike other components of the application's user interface, pointing techniques need a close coupling with the rendering pipeline, introducing new elements to be drawn, and potentially modifying the object layout and the way the scene is rendered. Conversely, selection performance is affected by rendering issues such as visual feedback, depth perception, and occlusion management. We thus review existing literature paying special attention to those aspects in the boundary between computer graphics and human computer interaction.

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Section: Object Densitymentioning

confidence: 99%

“…WIM enhanced with cut-aways[3]. The miniature replica provides a cut-away view of a part of the model according to the viewing direction and the user's hand position inside the WIM (shown as a red sphere).…”

mentioning

confidence: 99%

A survey of 3D object selection techniques for virtual environments

Argelaguet

Andújar

2013

Computers & Graphics

Self Cite

403

228

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“…The open-ended comments indicate that using WIM as the assisted view has advantages in the controlling flexibility as stated in the previous Fig. 5: Assembly case of tightening a pair of bolt and nut on fuselage belly works [31,44,2]. However, several drawbacks were exposed in the open-ended comments, such as controlling the WIM could raise accidental collision, and the over-rich information.…”

Section: Discussionmentioning

confidence: 86%

“…Pausch et al, [31] indicated that WIM is similar to a cube map, which can provide users with a manipulable global view in original 1PP. Andujar et al, [2,44] referred that users can observe and select occluded objects in original 1PP by rotating WIM, which solves the problem of relying on navigation to select occluded objects to some extent. Evin et al [14] used a WIM model orbiting around the user to reduce the cybersickness in viewpoint movement, while maintaining the natural interaction.…”

Section: World-in-miniaturementioning

confidence: 99%

Multiple perspectives integration for virtual reality-aided assemblability assessment in complex virtual assembly environment

Wang

et al. 2021

Preprint

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Virtual Reality (VR) has been proved as a promising tool for industrial design, but the traditional VR interface of first-person perspective (1PP) is not useful enough to support assemblability assessment in complex virtual assembly environments. In this paper, we proposed the multi-perspectives interface (MPI) which integrates the 1PP and the third-person perspective (3PP) using handheld World-in-Miniature (WIM). The MPI allows users to simulate the assembly operations in a natural manner similar to 1PP, while providing users with an overview of the assembly status through the WIM to assess the assemblability with superior spatial awareness. Two studies were included in this paper. The first study tested MPI in a general interaction task, which reveals stronger spatial awareness in MPI than in 1PP without the cost of losing natural interaction. The second study tested the performance, usability, and workload of MPI in an assemblability assessment task. The results show the advantages of MPI in the reachability evaluation. The contribution of this paper is exploring a novel interface for VR-aided assembly design and evaluation system.

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“…Pausch et al [33] indicated that WIM is similar to a cube map, which can provide users with a manipulable global view in original 1PP. Andujar et al [3,43] referred that users can observe and select occluded objects in original 1PP by rotating WIM, which solves the problem of relying on navigation to select occluded objects to some extent. Evin et al [14] used a WIM model orbiting around the user to reduce the cybersickness in viewpoint movement, while maintaining the natural interaction.…”

Section: World-in-miniaturementioning

confidence: 99%

Multiple perspectives integration for virtual reality-aided assemblability assessment in narrow assembly spaces

Wang

et al. 2022

Int J Adv Manuf Technol

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Virtual reality (VR) has been proved as a promising tool for industrial design, but the traditional VR interface of first-person perspective (1PP) is not efficient to support assemblability assessment in narrow assembly spaces. In this paper, we proposed the multi-perspectives interface (MPI) which integrates the 1PP and the third-person perspective (3PP) using the handheld world-in-miniature (WIM). The MPI allows users to simulate the assembly operations in a natural manner similar to 1PP, while providing users with an overview of the assembly status through the WIM to assess the assemblability with superior spatial awareness. Two studies were conducted to test the performance of the proposed MPI. The first study tested user’s interaction performance in MPI using a common interaction task, which reveals stronger spatial awareness in MPI than in 1PP without the cost of losing natural interaction. Based on the results of the first study, the second study tested the performance, usability, and workload of MPI in an assemblability assessment task. The results show the advantages of MPI in the reachability evaluation in the narrow spaces. The main contribution of this paper is improving the interface and user-interface interaction in VR-aided assembly assessment system to improve user’s interaction performance and assessment ability in narrow assembly spaces.

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Hand-Based Disocclusion for the World-in-Miniature Metaphor

Cited by 4 publications

References 14 publications

A survey of 3D object selection techniques for virtual environments

A survey of 3D object selection techniques for virtual environments

Multiple perspectives integration for virtual reality-aided assemblability assessment in complex virtual assembly environment

Multiple perspectives integration for virtual reality-aided assemblability assessment in narrow assembly spaces

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