Instructors of 3D design workshops for children face many challenges, including maintaining awareness of students' progress, helping students who need additional attention, and creating a fun experience while stil...
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ISBN:
(纸本)9781450359481
Instructors of 3D design workshops for children face many challenges, including maintaining awareness of students' progress, helping students who need additional attention, and creating a fun experience while still achieving learning goals. To help address these challenges, we developed Maestro, a workshop orchestration system that visualizes students' progress, automatically detects and draws attention to common challenges faced by students, and provides mechanisms to address common student challenges as they occur. We present the design of Maestro, and the results of a case-study evaluation with an experienced facilitator and 13 children. The facilitator appreciated Maestro's real-time indications of which students were successfully following her tutorial demonstration, and recognized the system's potential to "extend her reach" while helping struggling students. Participant interaction data from the study provided support for our follow-along detection algorithm, and the capability to remind students to use 3D navigation.
We introduce programmable material and electromechanical control to enable a set of hybrid watch userinterfaces that symbiotically leverage the joint strengths of electro-mechanical hands and a dynamic watch dial. Th...
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ISBN:
(纸本)9781450359498
We introduce programmable material and electromechanical control to enable a set of hybrid watch userinterfaces that symbiotically leverage the joint strengths of electro-mechanical hands and a dynamic watch dial. This approach enables computation and connectivity with existing materials to preserve the inherent physical qualities and abilities of traditional analog watches. We augment the watch's mechanical hands with micro-stepper motors for control, positioning and mechanical expressivity. We extend the traditional watch dial with programmable pigments for non-emissive dynamic patterns. Together, these components enable a unique set of interaction techniques and userinterfaces beyond their individual capabilities.
We present RESi (Resistive tExtile Sensor interfaces), a novel sensing approach enabling a new kind of yarn-based, resistive pressure sensing. The core of RESi builds on a newly designed yarn, which features conductiv...
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ISBN:
(纸本)9781450359481
We present RESi (Resistive tExtile Sensor interfaces), a novel sensing approach enabling a new kind of yarn-based, resistive pressure sensing. The core of RESi builds on a newly designed yarn, which features conductive and resistive properties. We run a technical study to characterize the behaviour of the yarn and to determine the sensing principle. We demonstrate how the yarn can be used as a pressure sensor and discuss how specific issues, such as connecting the soft textile sensor with the rigid electronics can be solved. In addition, we present a platform-independent API that allows rapid prototyping. To show its versatility, we present applications developed with different textile manufacturing techniques, including hand sewing, machine sewing, and weaving. RESi is a novel technology, enabling textile pressure sensing to augment everyday objects with interactive capabilities.
The literate programming paradigm presents a program interleaved with natural language text explaining the code's rationale and logic. While this is great for program readers, the labor of creating literate progra...
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ISBN:
(纸本)9781450359498
The literate programming paradigm presents a program interleaved with natural language text explaining the code's rationale and logic. While this is great for program readers, the labor of creating literate programs deters most program authors from providing this text at authoring time. Instead, as we determine through interviews, developers provide their design rationales after the fact, in discussions with collaborators. We propose to capture these discussions and incorporate them into the code. We have prototyped a tool to link online discussion of code directly to the code it discusses. Incorporating these discussions incrementally creates post-literate programs that convey information to future developers.
Wearable devices are becoming important computing devices to personal users. They have shown promising applications in multiple domains. However, designing interactions on smartwears remains challenging as the miniatu...
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ISBN:
(纸本)9781450359498
Wearable devices are becoming important computing devices to personal users. They have shown promising applications in multiple domains. However, designing interactions on smartwears remains challenging as the miniature sized formfactors limit both its input and output space. My thesis research proposes a new paradigm of Inherent Interaction on smartwears, with the idea of seeking interaction opportunities from users daily activities. This is to help bridging the gap between novel smartwear interactions and real-life experiences shared among users. This report introduces the concept of Inherent Interaction with my previous and current explorations in the category.
Although the exploration of variations is a key part of interface design, current processes for creating variations are mostly manual. We present Scout, a system that helps designers explore many variations rapidly th...
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ISBN:
(纸本)9781450359498
Although the exploration of variations is a key part of interface design, current processes for creating variations are mostly manual. We present Scout, a system that helps designers explore many variations rapidly through mixed-initiative interaction with high-level constraints and design feedback. Past constraint-based layout systems use low-level spatial constraints and mostly produce only a single design. Scout advances upon these systems by introducing high-level constraints based on design concepts (e.g. emphasis). With Scout, we have formalized several high-level constraints into their corresponding low-level spatial constraints to enable rapidly generating many designs through constraint solving and program synthesis.
Wearable head-mounted displays combine rich graphical output with an impoverished input space. Hand-to-face gestures have been proposed as a way to add input expressivity while keeping control movements unobtrusive. T...
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ISBN:
(纸本)9781450359481
Wearable head-mounted displays combine rich graphical output with an impoverished input space. Hand-to-face gestures have been proposed as a way to add input expressivity while keeping control movements unobtrusive. To better understand how to design such techniques, we describe an elicitation study conducted in a busy public space in which pairs of users were asked to generate unobtrusive, socially acceptable hand-to-face input actions. Based on the results, we describe five design strategies: miniaturizing, obfuscating, screening, camouflaging and re-purposing. We instantiate these strategies in two hand-to-face input prototypes, one based on touches to the ear and the other based on touches of the thumbnail to the chin or cheek. Performance assessments characterize time and error rates with these devices. The paper closes with a validation study in which pairs of users experience the prototypes in a public setting and we gather data on the social acceptability of the designs and reflect on the effectiveness of the different strategies.
In Augmented Reality, interaction with the environment can be achieved with a number of different approaches. In current systems, the most common are hand and gesture inputs. However experimental applications also int...
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ISBN:
(纸本)9781450360869
In Augmented Reality, interaction with the environment can be achieved with a number of different approaches. In current systems, the most common are hand and gesture inputs. However experimental applications also integrated smartphones as intuitive interaction devices and demonstrated great potential for different tasks. One particular task is constrained object manipulation, for which we conducted a user study. In it we compared standard gesture-based approaches with a touch-based interaction via smartphone. We found that a touch-based interface is significantly more efficient, although gestures are being subjectively more accepted. From these results we draw conclusions on how smartphones can be used to realize modern interfaces in AR.
This demonstration corresponds to our previous paper, which deals with our finding that a proprioceptive force sensation can be presented by electrical stimulation from the skin surface to the tendon region (Tendon El...
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ISBN:
(纸本)9781450359498
This demonstration corresponds to our previous paper, which deals with our finding that a proprioceptive force sensation can be presented by electrical stimulation from the skin surface to the tendon region (Tendon Electrical Stimulation: TES). We showed that TES can elicit a force sensation, and adjusting the current parameters can control the amount of the sensation. Unlike electrical muscle stimulation (EMS), which can also present force sensation by stimulating motor nerves to contract muscles, TES is thought to present a proprioceptive force sensation by stimulating receptors or sensory nerves responsible for recognizing the magnitude of the muscle contraction existing inside the tendon. In the demo, we offer the occasion for trying TES.
This paper presents an immersive 3D virtual reality application accessed through the web that allows users to create their own custom virtual art galleries. The application allows users to select paintings based on a ...
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ISBN:
(纸本)9781450360869
This paper presents an immersive 3D virtual reality application accessed through the web that allows users to create their own custom virtual art galleries. The application allows users to select paintings based on a time range or country and then it dynamically generates the 3D virtual exhibit. Various features about the exhibit can be customized, such as the floor texture and wall color. users can also save their exhibit, so it can be shared with others.
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