Evaluating effects of structural holds on pointing and dragging performance with flexible displays

Dijkstra, Rob; Perez, Christopher; Vertegaal, Roel

doi:10.1145/1978942.1979135

Cited by 15 publications

(19 citation statements)

References 12 publications

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“…Technically, this involves developing solutions for Kinect sensors to detect touch input reliably on real-time deformable surfaces. On a conceptual level and building on Dijkstra et al's recent work [9], this also involves an understanding of where users hold the display and where they deform it. This is required to identify areas that are reachable for touch input and to inform techniques that differentiate between touches stemming from desired touch input and false positives that result from the user touching the display while deforming it.…”

Section: Touch Input On Deformable Displaysmentioning

confidence: 99%

Flexpad

Steimle

Jordt

Maes

2013

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

112

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Flexpad is an interactive system that combines a depth camera and a projector to transform sheets of plain paper or foam into flexible, highly deformable, and spatially aware handheld displays. We present a novel approach for tracking deformed surfaces from depth images in real time. It captures deformations in high detail, is very robust to occlusions created by the user's hands and fingers, and does not require any kind of markers or visible texture. As a result, the display is considerably more deformable than in previous work on flexible handheld displays, enabling novel applications that leverage the high expressiveness of detailed deformation. We illustrate these unique capabilities through three application examples: curved cross-cuts in volumetric images, deforming virtual paper characters, and slicing through time in videos. Results from two user studies show that our system is capable of detecting complex deformations and that users are able to perform them quickly and precisely.

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Section: Touch Input On Deformable Displaysmentioning

confidence: 99%

Flexpad

Steimle

Jordt

Maes

2013

Proceedings of the SIGCHI Conference on Human Factors in Computing Systems

112

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“…Unlike resistive touch sensors, capacitive sensors activate even on light touch. According to Dijkstra et al [8], for example, operating surfaces based on the resistive Touchco requires a significant amount of force. Grasping capacitive Displax film renders a large part of the surface insensitive to touch [8].…”

Section: Touch Sensing On Curved or Flexible Surfacesmentioning

confidence: 99%

Modular and deformable touch-sensitive surfaces based on time domain reflectometry

Wimmer¹,

Baudisch

2011

Proceedings of the 24th Annual ACM Symposium on User Interface Software and Technology

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Time domain reflectometry, a technique originally used in diagnosing cable faults, can also locate where a cable is being touched. In this paper, we explore how to extend time domain reflectometry in order to touch-enable thin, modular, and deformable surfaces and devices. We demonstrate how to use this approach to make smart clothing and to rapid prototype touch sensitive objects of arbitrary shape. To accomplish this, we extend time domain reflectometry in three ways: (1) Thin: We demonstrate how to run time domain reflectometry on a single wire. This allows us to touch-enable thin metal objects, such as guitar strings.(2) Modularity: We present a two-pin connector system that allows users to daisy chain touch-sensitive segments. We illustrate these enhancements with 13 prototypes and a series of performance measurements. (3) Deformability: We create deformable touch devices by mounting stretchable wire patterns onto elastic tape and meshes. We present selected performance measurements.

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“…Dijkstra et al also used these three holds with flexible display [2]. Wagner et al evaluated tapping with both thumb and other fingers in rigid tablets, and showed that thumb outperformed fingers in both landscape and portrait mode [11].…”

Section: Introductionmentioning

confidence: 99%

“…on the corner or the side, with one hand or two). Dijkstra et al [2] showed that the holding hand provides the structural support required for pointing tasks using the other hand.…”

mentioning

confidence: 99%

Exploring tapping with thumb input for flexible tablets

Riyadh

2014

CHI '14 Extended Abstracts on Human Factors in Computing Systems

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Flexible displays offer new interaction techniques, such as bend gestures, but a little work has been done to support touch input, the most common input for handheld displays. In this paper, we explore touch input using the thumb of the holding hand, and compare it for different tapping tasks, between a flexible and a rigid tablet. We present initial design guidelines to use touch input with thumb in flexible devices. Our result suggests that users can perform tapping interaction using thumb input in both rigid and flexible devices with similar accuracy, and they prefer holding the display on the side or the bottom corner over the bottom center.

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Evaluating effects of structural holds on pointing and dragging performance with flexible displays

Cited by 15 publications

References 12 publications

Flexpad

Flexpad

Modular and deformable touch-sensitive surfaces based on time domain reflectometry

Exploring tapping with thumb input for flexible tablets

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