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24th acm symposium on Virtual Reality software and technology (acm VRST)

作者： Wang, Ker-Jiun Liu, Quanbo Vhasure, Soumya Liu, Quanfeng Zheng, Caroline Yan Thakur, Prakash Univ Pittsburgh Elect & Comp Engn & Bioengn Pittsburgh PA 15260 USA Nissan Motor Corp Yokohama Kanagawa Japan Royal Coll Art Informat Experience Design & Fash London England Univ Pittsburgh Med Ctr Pittsburgh PA USA

ISBN: (纸本)9781450360869

Current assistive technologies are complicated, cumbersome, not portable, and users still need to apply extensive fine motor control to operate the device. Brain-Computer interfaces (BCIs) could provide an alternative approach to solve these problems. However, the current BCIs have low classification accuracy and require tedious human-learning procedures. The use of complicated Electroencephalogram (EEG) caps, where many electrodes must be attached on the user's head to identify imaginary motor commands, brings a lot of inconvenience. In this demonstration, we will showcase EXGbuds, a compact, non-obtrusive, and comfortable wearable device with non-invasive biosensing technology. People can comfortably wear it for long hours without tiring. Under our developed machine learning algorithms, we can identify various eye movements and facial expressions with over 95% accuracy, such that people with motor disabilities could have a fun time to play VR games totally "Hands-free".

关键词： Wearable Device Human-Machine interface Virtual Reality Machine Learning Physiological Signal Processing

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HolOsci: Hololens Augmented Reality Oscilloscope Based Support for Debugging Electronics Circuits 18

HolOsci: Hololens Augmented Reality Oscilloscope Based Suppo...

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acm International Joint Conference on Pervasive and Ubiquitous Computing / acm International symposium on Wearable Computers (UbiComp/ISWC)

作者： Javaheri, Hamraz Pfeiffer, Olaf Lukowicz, Paul DFKI GmbH Kaiserslautern Germany ES Acad Hannover Germany

ISBN: (纸本)9781450359665

Head Mounted Display (HMD) based Augmented Reality (AR) allows users to access digital information related to real world objects without being distracted from their real world task. With the introduction of the HoloLens (and increasingly other similar devices) a platform allowing wide spread practical application of such solutions has finally become available. However, today, not many such real world applications exist, and it is not yet fully understood which specific applications can benefit most from the technology in what form. As a promising novel application that optimally leverages the advantages of HMD based AR we propose a HoloLens based solution to support the debugging of electronic circuits. As a first step we have implemented a HoloLens interface to an oscilloscope. In this paper we describe the general idea, the fist implementation of the oscilloscope interface, and summarize initial qualitative feedback that we have received from users.

关键词： Augmented Reality Oscilloscope user interface

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Exploring an AR-based user interface for Authoring Multimedia Presentations 18

Exploring an AR-based User Interface for Authoring Multimedi...

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18th acm symposium on Document Engineering (DocEng)

作者： Conceicao Mendes, Paulo Renato de Albuquerque Azevedo, Roberto Gerson Silva Gomes de Oliveira, Ruy Guilherme Soares Neto, Carlos de Salles Univ Fed Maranhao Sao Luis Brazil Pontificia Univ Catolica Rio de Janeiro Rio de Janeiro Brazil Fed Inst Maranhao Sao Luis Brazil

ISBN: (纸本)9781450357692

This paper describes the BumbAR approach for composing multimedia presentations and evaluates it through a qualitative study based on the technology Acceptance Model (TAM). The BumbAR proposal is based on the event-condition-action model of Nested Context Model (NCM) and explores the use of augmented reality and real-world objects (markers) as an innovative user interface to specify the behavior and relationships between the media objects in a presentation. The qualitative study aimed at measuring the users' attitude towards using BumbAR and an augmented reality environment for authoring multimedia presentations. The results show that the participants found the BumbAR approach both useful and easy-to-use, while most of them (66,67%) found the system more convenient than traditional desktop-based authoring tools.

关键词： Augmented Reality Multimedia Authoring Tool user interface

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LAND: A user-Friendly and Customizable Test Generation Tool for Android Apps 2018

LAND: A User-Friendly and Customizable Test Generation Tool ...

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27th acm SIGSOFT International symposium on software Testing and Analysis (ISSAT)

作者： Yan, Jiwei Pan, Linjie Li, Yaqi Yan, Jun Zhang, Jian Chinese Acad Sci Inst Software Tech Ctr Softw Engn Beijing Peoples R China Chinese Acad Sci Univ Chinese Acad Sci Inst Software State Key Lab Comp Sci Beijing Peoples R China

ISBN: (纸本)9781450356992

Model-based GUI exploration techniques are widely used to generate test cases for event-driven programs (such as Android apps). These techniques traverse the elements of screens during the user interaction and simultaneously construct the GUI model. Although there are a number of automatic model-based exploration tools, most of them pay more attention to the exploration procedure than the model reusing. This paper presents LAND, an effective and user-friendly test generation tool based on GUI exploration of Android apps, which constructs an elaborate window transition model "LATTE" that considers more Android specific characteristics and provides a customizable test generation interface by reusing the model. Experiments on 20 real-world Android apps are conducted to construct their models as well as test cases. The experimental results indicate that LAND can achieve higher code coverage and trigger exceptions in shorter sequence. It is also demonstrated that LATTE can be well reused under different requirements of test suite generation. A demo video of our tool can be found at the website https://***/watch?v=iqtr12eiJ_0.

关键词： Android GUI Model Targeted Test Generation Dynamic Modeling

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Scaling Notifications Beyond Alerts: From Subtly Drawing Attention up to Forcing the user to Take Action 31

Scaling Notifications Beyond Alerts: From Subtly Drawing Att...

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31st Annual acm symposium on user interface software and technology (UIST)

作者： Matthies, Denys J. C. Parra, Laura Milena Daza Urban, Bodo Auckland Bioengn Inst Augmented Human Lab Auckland New Zealand Fraunhofer IGD Rostock Rostock Germany

ISBN: (纸本)9781450359498

Research has been done in sophisticated notifications, still, devices today mainly stick to a binary level of information, while they are either attention drawing or silent. We propose scalable notifications, which adjust the intensity level reaching from subtle to obtrusive and even going beyond that level while forcing the user to take action. To illustrate the technical feasibility and validity of this concept, we developed three prototypes. The prototypes provided mechano-pressure, thermal, and electrical feedback, which were evaluated in different lab studies. Our first prototype provides subtle poking through to high and frequent pressure on the user's spine, which significantly improves back posture. In a second scenario, the user is able to perceive the overuse of a drill by an increased temperature on the palm of a hand until the heat is intolerable, forcing the user to eventually put down the tool. The last application comprises of a speed control in a driving simulation, while electric muscle stimulation on the users' legs, conveys information on changing the car's speed by a perceived tingling until the system forces the foot to move involuntarily. In conclusion, all studies' findings support the feasibility of our concept of a scalable notification system, including the system forcing an intervention.

关键词： Scaling notifications electrical muscle stimulation thermal feedback haptic feedback wearable prototyping

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Demo: A mobile app for nursing activity recognition

Demo: A mobile app for nursing activity recognition

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2018 Joint acm International Conference on Pervasive and Ubiquitous Computing, UbiComp 2018 and 2018 acm International symposium on Wearable Computers, ISWC 2018

作者： Mairittha, Nattaya Mairittha, Tittaya Inoue, Sozo Kyushu Institute of Technology 1-1 Sensui-cho Tobata Kitakyushu Fukuoka Japan

ISBN: (纸本)9781450359665

We propose FonLog: a mobile app that can be used for a data collection tool in human activity recognition for nursing services. The app has essential features to collect activity data efficiently found by the feedbacks from nursing facilities from the staffs, namely, recording activity targets, a user-friendly interface, recognition feedback, customizable detailed records, instant activity, and offline functionality. © Copyright held by the owner/author(s).

关键词： Data acquisition

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A method for Automated user interface Testing of Windows-based Applications 18

A method for Automated User Interface Testing of Windows-bas...

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9th International symposium on Information and Communication technology (SoICT)

作者： Duong Tran Dinh Pham Ngoc Hung Tung Nguyen Duy VNU Univ Engn & Technol Hanoi Vietnam Toshiba Software Dev Hanoi Vietnam

ISBN: (纸本)9781450365390

This paper proposes a method for automated user interface testing of Windows-based applications to increase the accuracy in identifying the target widgets or executing several interactions. The key idea of this method is to generate new test scenarios from widgets and test specification where widgets are extracted during the execution of the application and test specification is generated by combining the interactions of widgets. Furthermore, the paper contributes some techniques to detect hidden widgets which considering as one of the most challenging problems in user interface testing. Currently, a supporting tool has been implemented and tested with several industrial projects. The details of the experimental results will be presented and discussed.

关键词： Automated testing graphical user interface testing Windows application

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Estimation of distance between thumb and forefinger from hand dorsal image using deep learning 18

Estimation of distance between thumb and forefinger from han...

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24th acm symposium on Virtual Reality software and technology (acm VRST)

作者： Shimizume, Takuma Umezawa, Takeshi Osawa, Noritaka Chiba Univ Grad Sch Sci & Engn Chiba Japan Chiba Univ Grad Sch Engn Chiba Japan

ISBN: (纸本)9781450360869

A three-dimensional virtual object can be manipulated by hand and finger movements with an optical hand tracking device where it is necessary to recognize a posture of one's hand. Conventional hand posture recognition is based on three-dimensional coordinates of fingertips and a skeletal model of the hand [1]. It is difficult for conventional methods to estimate a posture of the hand when a fingertip is hidden from an optical camera. This study, therefore, proposes the estimation of a posture of a hand on the basis of a hand-dorsal image that can be taken even when the hand occludes its fingertips. A regression model that estimates a distance between fingertips of the thumb and forefinger was constructed using a convolution neural network (CNN) [2]. This work evaluated the root mean squared error (RMSE) of estimation. The RMSE of estimation based on a model on the same day was less than 1.8 mm, which shows that the proposed method could be an effective method where self-occlusion is a problem. This study also evaluates the robustness of the learning model to time variation.

关键词： convolutional neural network self-occlusion 3D user interface

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SilentKey: A new authentication framework through ultrasonic-based lip reading

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proceedings of the acm on Interactive, Mobile, Wearable and Ubiquitous Technologies 2018年第1期2卷 1-18页

作者： Tan, Jiayao Wang, Xiaoliang Nguyen, Cam-Tu Shi, Yu Nanjing University State Key Laboratory for Novel Software Technology 163 Xianlin Ave Nanjing Jiangsu210023 China

This paper presents SilentKey, a new authentication framework to identify mobile device users through ultrasonic-based lip reading. The main idea is to generate ultrasonic signals from a mobile phone and analyze the fine-grained impact of mouth motions on the reflected signal. The new framework is effective since people have unique characteristics when performing mouth motions, which represent not only what people input, but also how they input. SilentKey is robust against attacks since the input cannot be recorded or imitated. We implement a prototype and demonstrate the effectiveness of the system by fifty volunteers. Such a non-intrusive identification mechanism provides a natural user interface which can also be applied by people with speaking or viewing difficulties. © 2018 Association for Computing Machinery.

关键词： Authentication

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Demo: Towards non-Newtonian organic user interfaces ferro-oobleck (patent pending)

Demo: Towards non-Newtonian organic user interfaces ferro-oo...

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2018 Joint acm International Conference on Pervasive and Ubiquitous Computing, UbiComp 2018 and 2018 acm International symposium on Wearable Computers, ISWC 2018

作者： Thompson, Eric M.S. Human Computer Interaction Georgia Institute of Technology Atlanta Georgia30309 United States

ISBN: (纸本)9781450359665

Throughout the 2010s interest in both organic user interfaces and various tangible haptics systems has grown steadily. Prior art has shown this through transmitting shape as a means of a novel interaction. Oobleck is a mixture of water and cornstarch that exhibits properties of both a solid and liquid depending on whether or not force is applied to it at the time. Prior art mainly employed the use of sound and vibration to activate the oobleck. The results were somewhat effective but really lacked any precise control over the oobleck. However, by embedding magnetic particles and some chemical additives in the oobleck, finer and more dynamic control over the oobleck could be attained. A magnetic matrix was concepted as a user interface to test the oobleck medium. As a proof of concept, 4 solenoid valves with small neodymium attached to them were used. Neodymium were used instead of electromagnets due to their extremely dense and strong magnetic fields. The interface was designed to communicate fingertip touch between parties. 4 touch sensors were placed on a mouse shaped interface, when triggered, these would deactivate relays that controlled solenoids with small neodymium attached to them, springing upwards to be near a thin receptacle holding the oobleck. A user could then feel the shape of the oobleck change in specific locations to reflect the feeling of the person pressing their fingertips against the sensor area. © 2018 Copyright is held by the owner/author(s).

关键词： Mammals

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