We present TMotion, a self-contained 3D input that enables spatial interactions around mobile device using a magnetic sensing technique. We embed a permanent magnet and an inertial measurement unit (IMU) in a stylus. When the stylus moves around the mobile device, we obtain a continuous magnetometer readings. By numerically solving non-linear magnetic field equations with known orientation from IMU, we achieve 3D position tracking with update rate greater than 30Hz. Our experiments evaluated the position tracking accuracy, showing an average error of 4.55mm in the space of 80mm×120mm×100mm. Furthermore, the experiments confirmed the tracking robustness against orientations and dynamic tracings. In task evaluations, we verified the tracking and targeting performance in spatial interactions with users. We demonstrate example applications that highlight TMotion's interaction capability.
{"title":"TMotion: Embedded 3D Mobile Input using Magnetic Sensing Technique","authors":"S. Yoon, Ke Huo, K. Ramani","doi":"10.1145/2839462.2839463","DOIUrl":"https://doi.org/10.1145/2839462.2839463","url":null,"abstract":"We present TMotion, a self-contained 3D input that enables spatial interactions around mobile device using a magnetic sensing technique. We embed a permanent magnet and an inertial measurement unit (IMU) in a stylus. When the stylus moves around the mobile device, we obtain a continuous magnetometer readings. By numerically solving non-linear magnetic field equations with known orientation from IMU, we achieve 3D position tracking with update rate greater than 30Hz. Our experiments evaluated the position tracking accuracy, showing an average error of 4.55mm in the space of 80mm×120mm×100mm. Furthermore, the experiments confirmed the tracking robustness against orientations and dynamic tracings. In task evaluations, we verified the tracking and targeting performance in spatial interactions with users. We demonstrate example applications that highlight TMotion's interaction capability.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132743235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This work explores an emerging category of interfaces: pneumatibles -- interactive, pneumatically driven actuator/sensor elements, made from pliable materials and inspired by soft-robotics principles -- and their potential for the design of tangible interfaces with integrated pneumotactile feedback. We present a novel pneumatic control-system, specifically designed for pneumotactile applications and a case study of a pneumatically actuated, pressure sensitive button pneumatible capable of providing tactile feedback. Our work further contributes to a better understanding of the underlying technical parameters (i.e. air-pressure, material properties, dimensions, actuation-sequences, etc.) that determine the design space of soft and pliable actuators for providing distinct tactile stimuli and enabling expressive control. We provide insights learned from the process of constructing and controlling pneumotactile actuators and present a preliminary user study, focused on participants' ability to identify pneumotactile feedback patterns. Finally, implications for the design of pneumotactile interfaces and the transfer of principles from soft-robotics to HCI are discussed.
{"title":"Pneumatibles: Exploring Soft Robotic Actuators for the Design of User Interfaces with Pneumotactile Feedback","authors":"Kristian Gohlke, E. Hornecker, Wolfgang Sattler","doi":"10.1145/2839462.2839489","DOIUrl":"https://doi.org/10.1145/2839462.2839489","url":null,"abstract":"This work explores an emerging category of interfaces: pneumatibles -- interactive, pneumatically driven actuator/sensor elements, made from pliable materials and inspired by soft-robotics principles -- and their potential for the design of tangible interfaces with integrated pneumotactile feedback. We present a novel pneumatic control-system, specifically designed for pneumotactile applications and a case study of a pneumatically actuated, pressure sensitive button pneumatible capable of providing tactile feedback. Our work further contributes to a better understanding of the underlying technical parameters (i.e. air-pressure, material properties, dimensions, actuation-sequences, etc.) that determine the design space of soft and pliable actuators for providing distinct tactile stimuli and enabling expressive control. We provide insights learned from the process of constructing and controlling pneumotactile actuators and present a preliminary user study, focused on participants' ability to identify pneumotactile feedback patterns. Finally, implications for the design of pneumotactile interfaces and the transfer of principles from soft-robotics to HCI are discussed.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130746956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We propose a self-aware material in the form-factor of a fabric. This material contains dense sensor nodes on a flexible and stretchable substrate. It is self-configurable and can be manipulated as a traditional craft material, by cutting and joining. The complete shape of this self-sensing material can be tracked by sensing its deformation and stretch. We hope to enable artists and designers to easily make sophisticated sensor networks. This work is a continuation of the SensorTape project, which is a sensor network in the form-factor of a tape.
{"title":"Towards Self-Aware Materials","authors":"A. Dementyev","doi":"10.1145/2839462.2854108","DOIUrl":"https://doi.org/10.1145/2839462.2854108","url":null,"abstract":"We propose a self-aware material in the form-factor of a fabric. This material contains dense sensor nodes on a flexible and stretchable substrate. It is self-configurable and can be manipulated as a traditional craft material, by cutting and joining. The complete shape of this self-sensing material can be tracked by sensing its deformation and stretch. We hope to enable artists and designers to easily make sophisticated sensor networks. This work is a continuation of the SensorTape project, which is a sensor network in the form-factor of a tape.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134003209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
F. Jakobsen, Jacob Albæk Schnedler, S. Pedersen, Nikolai H. Øllegaard
Vacuum cleaners are mundane, rigid, and at best manually reconfigurable. This paper investigates the potential of adding value to them by designing shape-changing interfaces. We present the conceptualization and design process of three prototypes that allow real-time reconfiguration of vacuum cleaners. Through discussion and reflection on design implications and experiences of the design process, we conclude that shape-change can contribute to designing engaging, functional, and aesthetic home appliances.
{"title":"Exploring the Use of Shape Change in Home Appliances","authors":"F. Jakobsen, Jacob Albæk Schnedler, S. Pedersen, Nikolai H. Øllegaard","doi":"10.1145/2839462.2856539","DOIUrl":"https://doi.org/10.1145/2839462.2856539","url":null,"abstract":"Vacuum cleaners are mundane, rigid, and at best manually reconfigurable. This paper investigates the potential of adding value to them by designing shape-changing interfaces. We present the conceptualization and design process of three prototypes that allow real-time reconfiguration of vacuum cleaners. Through discussion and reflection on design implications and experiences of the design process, we conclude that shape-change can contribute to designing engaging, functional, and aesthetic home appliances.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133012574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Andrea Vianello, Yves Florack, Andrea Bellucci, Giulio Jacucci
The use of dedicated devices may insufficiently support the variety and subtlety of domestic arrangements: they usually focus on specific aspects (e.g., home automation, health, safety, etc.) and potentially become obsolete, since they are unable to be recomposed and adapted to the needs of new situations. Open-ended and repurposable technologies could better address domestic users' needs. We present T4Tags 2.0, an open-ended toolkit for programming tangible tokens that embed different sensing technologies and can be attached to ordinary objects to create smart behaviors at home. We report findings from a one-day workshop we carried out to explore opportunities of the toolkit.
{"title":"T4Tags 2.0: A Tangible System for Supporting Users' Needs in the Domestic Environment","authors":"Andrea Vianello, Yves Florack, Andrea Bellucci, Giulio Jacucci","doi":"10.1145/2839462.2839479","DOIUrl":"https://doi.org/10.1145/2839462.2839479","url":null,"abstract":"The use of dedicated devices may insufficiently support the variety and subtlety of domestic arrangements: they usually focus on specific aspects (e.g., home automation, health, safety, etc.) and potentially become obsolete, since they are unable to be recomposed and adapted to the needs of new situations. Open-ended and repurposable technologies could better address domestic users' needs. We present T4Tags 2.0, an open-ended toolkit for programming tangible tokens that embed different sensing technologies and can be attached to ordinary objects to create smart behaviors at home. We report findings from a one-day workshop we carried out to explore opportunities of the toolkit.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"746 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115132781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tangible user interfaces are based on the premise that embodied cognition in computing can enhance cognitive processes. However, the ways in which embodied cognition in computing transform spatial thinking have not yet been rigorously studied. I have co-designed Tangible Landscape -- a continuous shape display powered by a geographic information system -- and used it to explore how technology mediates spatial cognition in a rigorous experiment. In this terrain modeling experiment I use geospatial analytics to analyze how visual computing with a GUI and tangible computing with a shape display mediate multidimensional spatial performance. My initial findings suggest that: 1. digital sculpting via a GUI is unintuitive, 2. shape displays like Tangible Landscape can be intuitive, enhance spatial performance, and enable rapid iteration and ideation, and 3. different analytics encourage significantly different modes of spatial thinking and strategies for modeling.
{"title":"Embodied Spatial Thinking in Tangible Computing","authors":"B. Harmon","doi":"10.1145/2839462.2854103","DOIUrl":"https://doi.org/10.1145/2839462.2854103","url":null,"abstract":"Tangible user interfaces are based on the premise that embodied cognition in computing can enhance cognitive processes. However, the ways in which embodied cognition in computing transform spatial thinking have not yet been rigorously studied. I have co-designed Tangible Landscape -- a continuous shape display powered by a geographic information system -- and used it to explore how technology mediates spatial cognition in a rigorous experiment. In this terrain modeling experiment I use geospatial analytics to analyze how visual computing with a GUI and tangible computing with a shape display mediate multidimensional spatial performance. My initial findings suggest that: 1. digital sculpting via a GUI is unintuitive, 2. shape displays like Tangible Landscape can be intuitive, enhance spatial performance, and enable rapid iteration and ideation, and 3. different analytics encourage significantly different modes of spatial thinking and strategies for modeling.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116027278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This work in progress presents a new and alternative method of creating electronic functionality within a textile structure enabling soft and deformable textile based interactions. Using cross discipline and cross generation competences we have based our work on the traditional handicraft called tatting whose construction is highly analogous to that of electric circuits. As a mother and son team we combine handicraft skills and knowledge of electronic functionality and textile conductors to create this method of incorporating electronics into tatting. Key elements of creating wires and making electrical connection to components has been proven, as well as the ability to directly "tat" switches. At the event, we will not only show demonstrations, but will also be making simple functional components live. There will also be the opportunity for attendees to learn the basics of tatting and to take their own work home.
{"title":"Functional Interactive Tatting: Bringing Together a Traditional Handicraft and Electronics","authors":"A. Poole, A. Poole","doi":"10.1145/2839462.2856529","DOIUrl":"https://doi.org/10.1145/2839462.2856529","url":null,"abstract":"This work in progress presents a new and alternative method of creating electronic functionality within a textile structure enabling soft and deformable textile based interactions. Using cross discipline and cross generation competences we have based our work on the traditional handicraft called tatting whose construction is highly analogous to that of electric circuits. As a mother and son team we combine handicraft skills and knowledge of electronic functionality and textile conductors to create this method of incorporating electronics into tatting. Key elements of creating wires and making electrical connection to components has been proven, as well as the ability to directly \"tat\" switches. At the event, we will not only show demonstrations, but will also be making simple functional components live. There will also be the opportunity for attendees to learn the basics of tatting and to take their own work home.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116281277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Informal caregivers take care of someone (usually a close family member) who suffers from a chronic illness. In this stressful situation, caregivers have a high risk of depression or loneliness, because their social network is weakened. Most existing proposals focus on helping caregivers fulfill caregiving tasks, instead of providing support for their mental wellbeing (e.g. identifying early stages of social isolation). We present a prototype ambient interface, called EmoTree, that makes communication frequency tangible by using a metaphor of a tree, and investigate user perception and motivation of use. People found Emotree to be interesting and enjoyable (78%), and useful (54%) unless the user does not suffer some type of problem (69%). Our preliminary results show the interface is easy to use and has an adequate representation of communication frequency. Our next step will make a second assessment with informal caregivers in their real context.
{"title":"Making Communication Frequency Tangible: How Green Is My Tree?","authors":"Carolina Fuentes, Iyubanit Rodríguez, Valeria Herskovic","doi":"10.1145/2839462.2856528","DOIUrl":"https://doi.org/10.1145/2839462.2856528","url":null,"abstract":"Informal caregivers take care of someone (usually a close family member) who suffers from a chronic illness. In this stressful situation, caregivers have a high risk of depression or loneliness, because their social network is weakened. Most existing proposals focus on helping caregivers fulfill caregiving tasks, instead of providing support for their mental wellbeing (e.g. identifying early stages of social isolation). We present a prototype ambient interface, called EmoTree, that makes communication frequency tangible by using a metaphor of a tree, and investigate user perception and motivation of use. People found Emotree to be interesting and enjoyable (78%), and useful (54%) unless the user does not suffer some type of problem (69%). Our preliminary results show the interface is easy to use and has an adequate representation of communication frequency. Our next step will make a second assessment with informal caregivers in their real context.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128320175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Posture monitoring and correction technologies can be useful in supporting prevention of musculoskeletal disorders and in supporting physical therapy, e.g., for arm-hand training after stroke or spinal cord injury. My doctoral research is concerned with the design of wearable technologies for posture monitoring and correction. Specifically we focus on smart garments that embed electronics and, in combination with a smartphone application, can give feedback and coaching for sustaining a correct posture. The research aims to contribute new design concepts that will be prototyped and validated both for their clinical relevance, and for their acceptance by patients and health workers. In addition to the prototype garments, we are also interested in developing relevant design knowledge, which we shall try to explicate in terms of reflections, and design patterns, across a range of prototypes.
{"title":"Designing Posture Monitoring Garments to Support Rehabilitation","authors":"Qi Wang","doi":"10.1145/2839462.2854106","DOIUrl":"https://doi.org/10.1145/2839462.2854106","url":null,"abstract":"Posture monitoring and correction technologies can be useful in supporting prevention of musculoskeletal disorders and in supporting physical therapy, e.g., for arm-hand training after stroke or spinal cord injury. My doctoral research is concerned with the design of wearable technologies for posture monitoring and correction. Specifically we focus on smart garments that embed electronics and, in combination with a smartphone application, can give feedback and coaching for sustaining a correct posture. The research aims to contribute new design concepts that will be prototyped and validated both for their clinical relevance, and for their acceptance by patients and health workers. In addition to the prototype garments, we are also interested in developing relevant design knowledge, which we shall try to explicate in terms of reflections, and design patterns, across a range of prototypes.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134432304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sarah Gallacher, Connie Golsteijn, Y. Rogers, L. Capra, S. Eustace
Gathering opinions from young children is challenging and different methods have been explored. In this paper we investigated how tangible devices can be used to gather feedback from children in the context of a theater performance. We introduce SmallTalk, a tangible survey system designed for use within a theater space to capture what children, aged 4 to 9, thought of a live performance they had just seen. We describe how the system was designed to build on previous feedback methods that had been tried; while at the same time meeting the constraints of the challenging theater context. We present results from seven deployments of SmallTalk and based on these we briefly discuss its value as a method for evaluating the theater performance. We then look at how the results validated the system design and present several design implications that more generally relate to tangible feedback systems for children.
{"title":"SmallTalk: Using Tangible Interactions to Gather Feedback from Children","authors":"Sarah Gallacher, Connie Golsteijn, Y. Rogers, L. Capra, S. Eustace","doi":"10.1145/2839462.2839481","DOIUrl":"https://doi.org/10.1145/2839462.2839481","url":null,"abstract":"Gathering opinions from young children is challenging and different methods have been explored. In this paper we investigated how tangible devices can be used to gather feedback from children in the context of a theater performance. We introduce SmallTalk, a tangible survey system designed for use within a theater space to capture what children, aged 4 to 9, thought of a live performance they had just seen. We describe how the system was designed to build on previous feedback methods that had been tried; while at the same time meeting the constraints of the challenging theater context. We present results from seven deployments of SmallTalk and based on these we briefly discuss its value as a method for evaluating the theater performance. We then look at how the results validated the system design and present several design implications that more generally relate to tangible feedback systems for children.","PeriodicalId":422083,"journal":{"name":"Proceedings of the TEI '16: Tenth International Conference on Tangible, Embedded, and Embodied Interaction","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-02-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133906039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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