Objective and subjective assessment of stereoscopically separated labels in augmented reality

Peterson, Stephen D.; Axholt, Magnus; Ellis, Stephen R.

doi:10.1016/j.cag.2008.11.006

Cited by 17 publications

(7 citation statements)

References 20 publications

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“…We further note that Madsen et al [MTM∗16] showed in a detailed user study on labelings in augmented reality that the participants performed better in the conducted tasks when the labels were directly placed in the 3D space of the object instead of the 2D space. This result is further supported by the user study by Peterson et al [PAE09] showing that incorporating depth information into the labeling increased the performance of the participants in selection tasks. They particularly showed that this technique softens the negative effects of overlapping labels.…”

Section: Visual Aspects Of External Labelingsupporting

confidence: 67%

External Labeling Techniques: A Taxonomy and Survey

Bekos¹,

Niedermann

Nöllenburg

2019

Computer Graphics Forum

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External labeling is frequently used for annotating features in graphical displays and visualizations, such as technical illustrations, anatomical drawings, or maps, with textual information. Such a labeling connects features within an illustration by thin leader lines with their labels, which are placed in the empty space surrounding the image. Over the last twenty years, a large body of literature in diverse areas of computer science has been published that investigates many different aspects, models, and algorithms for automatically placing external labels for a given set of features. This state‐of‐the‐art report introduces a first unified taxonomy for categorizing the different results in the literature and then presents a comprehensive survey of the state of the art, a sketch of the most relevant algorithmic techniques for external labeling algorithms, as well as a list of open research challenges in this multidisciplinary research field.

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Section: Visual Aspects Of External Labelingsupporting

confidence: 67%

External Labeling Techniques: A Taxonomy and Survey

Bekos¹,

Niedermann

Nöllenburg

2019

Computer Graphics Forum

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“…This approach is beneficial in crowded situations in which there are multiple objects of interest in the same view. For example, stereoscopic viewing has been found to be useful in crowd perception ] and in labeling crowded scenes [Peterson et al 2009]. …”

Section: Related Researchmentioning

confidence: 99%

Improving relative depth judgments in augmented reality with auxiliary augmentations

Kytö

Mäkinen

Häkkinen

et al. 2013

ACM Trans. Appl. Percept.

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Significant depth judgment errors are common in augmented reality. This study presents a visualization approach for improving relative depth judgments in augmented reality. The approach uses auxiliary augmented objects in addition to the main augmentation to support ordinal and interval depth judgment tasks. The auxiliary augmentations are positioned spatially near real-world objects, and the location of the main augmentation can be deduced based on the relative depth cues between the augmented objects. In the experimental part, the visualization approach was tested in the "X-ray" visualization case with a video see-through system. Two relative depth cues, in addition to motion parallax, were used between graphical objects: relative size and binocular disparity. The results show that the presence of auxiliary objects significantly reduced errors in depth judgment. Errors in judging the ordinal location with respect to a wall (front, at, or behind) and judging depth intervals were reduced. In addition to reduced errors, the presence of auxiliary augmentation increased the confidence in depth judgments, and it was subjectively preferred. The visualization approach did not have an effect on the viewing time. ACM Reference Format:Kytö, M., Mäkinen, A., Häkkinen, J., and Oittinen, P. 2013. Improving relative depth judgments in augmented reality with auxiliary augmentations.

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“…More recently, the role of displayed information depth and of multiple data layers have been addressed in [31], finding that standard rules about contrast and color combinations could break with see-through systems. Finally, in [21], the authors investigate the use of stereoscopic vision to ease the identification of overlaid labels, especially in cluttered conditions. Still, a study accounting for many simultaneous visual factors in a real environment is currently lacking.…”

Section: Related Workmentioning

confidence: 99%

On the Interplay between Data Overlay and Real-World Context using See-through Displays

Albarelli

Celentano

Cosmo

et al. 2015

Proceedings of the 11th Biannual Conference of the Italian SIGCHI Chapter

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The recent availability of affordable see-through wearable displays has fostered the development of several new interfaces and applications. Some of them take the augmented reality path, by seeking the blending of physical objects with overlaid 3D models or textual information. Some, on the other hand, are much simpler and follow a rather basic paradigm where the spatial integration between real world and data overlay is dropped. This is the case, for instance, with most applications based on Google Glass hardware, where textual data and images partially share the field of view of the user, but are not pinpointed to physical features. This is a rather important difference, since it marks the shift from a cooperative see-through mode, that characterizes proper augmented reality, to a competitive overlay, where the user attention is actually contended between real objects and displayed data. To this end, the user focus must continuously shift from one context to the other, possibly leading to both reduced productivity and usage strain. With this paper we are addressing exactly this issue. Specifically, we are assessing the role of different properties of the overlay, including the level of occlusion, the depth of the data layer, the position of the view frustum and the impact of stereo vision. Such study has been implemented by mean of a real-world evaluation which has been performed using a general purpose see-through device in a practical application scenario.

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Objective and subjective assessment of stereoscopically separated labels in augmented reality

Cited by 17 publications

References 20 publications

External Labeling Techniques: A Taxonomy and Survey

External Labeling Techniques: A Taxonomy and Survey

Improving relative depth judgments in augmented reality with auxiliary augmentations

On the Interplay between Data Overlay and Real-World Context using See-through Displays

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