Shaping 3-D boxes: A full 9 degree-of-freedom docking experiment

Stenholt, Rasmus; Madsen, Claus B.

doi:10.1109/vr.2011.5759445

Cited by 5 publications

(7 citation statements)

References 11 publications

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“…Briefly put, this means that the user creates a box by indicating three corners on the desired box, pointing them out one at a time. See Stenholt and Madsen [2011] for more details on 3C techniques. (4) It is possible to quantitatively measure the difference between two boxes [Stenholt and Madsen 2011].…”

Section: Task and Responsementioning

confidence: 99%

“…See Stenholt and Madsen [2011] for more details on 3C techniques. (4) It is possible to quantitatively measure the difference between two boxes [Stenholt and Madsen 2011]. …”

Section: Task and Responsementioning

confidence: 99%

“…It is measured in meters. The metric is computed as described in Stenholt and Madsen [2011]. -Perception difficulty: This is a subjective measurement.…”

Section: Task and Responsementioning

confidence: 99%

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On the Benefits of Using Constant Visual Angle Glyphs in Interactive Exploration of 3D Scatterplots

Stenholt

2014

ACM Trans. Appl. Percept.

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Visual exploration of clouds of data points is an important application of virtual environments. The common goal of this activity is to use the strengths of human perception to identify interesting structures in data, which are often not detected using traditional, computational analysis methods. In this article, we seek to identify some of the parameters that affect how well structures in visualized data clouds can be identified by a human observer. Two of the primary factors tested are the volumetric densities of the visualized structures and the presence/absence of clutter around the displayed structures. Furthermore, we introduce a new approach to glyph visualization-constant visual angle (CVA) glyphs-which has the potential to mitigate the effect of clutter at the cost of dispensing with the common real-world depth cue of relative size. In a controlled experiment where test subjects had to locate and select visualized structures in an immersive virtual environment, we identified several significant results. One result is that CVA glyphs ease perception of structures in cluttered environments while not deteriorating it when clutter is absent. Another is the existence of threshold densities, above which perception of structures becomes easier and more precise. ACM Reference Format:Rasmus Stenholt. 2014. On the benefits of using constant visual angle glyphs in interactive exploration of 3D scatterplots. ACM Trans. Appl.

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Section: Task and Responsementioning

confidence: 99%

“…See Stenholt and Madsen [2011] for more details on 3C techniques. (4) It is possible to quantitatively measure the difference between two boxes [Stenholt and Madsen 2011]. …”

Section: Task and Responsementioning

confidence: 99%

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On the Benefits of Using Constant Visual Angle Glyphs in Interactive Exploration of 3D Scatterplots

Stenholt

2014

ACM Trans. Appl. Percept.

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“…It only becomes possible to design an efficient way of producing the lasso, after deciding on the class of 3-D shape. Efficient creation of 3-D shapes, specifically 3-D boxes -the natural 3-D extension of 2-D rectangles, is discussed in [17,15]. A box-shaped lasso, created according to the 3C technique introduced in [15] is the second 3D LS-MOS technique evaluated in this paper.…”

Section: -D Mosmentioning

confidence: 99%

“…Controlling 9 DoF in an efficient manner is non-trivial. For this reason, we have chosen to implement the existing 3C technique, which provides the greatest degree of precision according to [15].…”

Section: Lassomentioning

confidence: 99%

Efficient selection of multiple objects on a large scale

Stenholt

2012

Proceedings of the 18th ACM Symposium on Virtual Reality Software and Technology

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The task of multiple object selection (MOS) in immersive virtual environments is important and still largely unexplored. The difficulty of efficient MOS increases with the number of objects to be selected. E.g. in small-scale MOS, only a few objects need to be simultaneously selected. This may be accomplished by serializing existing single-object selection techniques. In this paper, we explore various MOS tools for large-scale MOS. That is, when the number of objects to be selected are counted in hundreds, or even thousands. This makes serialization of single-object techniques prohibitively time consuming. Instead, we have implemented and tested two of the existing approaches to 3-D MOS, a brush and a lasso, as well as a new technique, a magic wand, which automatically selects objects based on local proximity to other objects. In a formal user evaluation, we have studied how the performance of the MOS tools are affected by the geometric configuration of the objects to be selected. Our studies demonstrate that the performance of MOS techniques is very significantly affected by the geometric scenario facing the user. Furthermore, we demonstrate that a good match between MOS tool shape and the geometric configuration is not always preferable, if the applied tool is complex to use.

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Poster: Brush, lasso, or magic wand? Picking the right tool for large-scale multiple object selection tasks

Stenholt

Madsen

2012

2012 IEEE Symposium on 3D User Interfaces (3DUI)

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Shaping 3-D boxes: A full 9 degree-of-freedom docking experiment

Cited by 5 publications

References 11 publications

On the Benefits of Using Constant Visual Angle Glyphs in Interactive Exploration of 3D Scatterplots

On the Benefits of Using Constant Visual Angle Glyphs in Interactive Exploration of 3D Scatterplots

Efficient selection of multiple objects on a large scale

Poster: Brush, lasso, or magic wand? Picking the right tool for large-scale multiple object selection tasks

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