Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT)


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Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies, Volume 1 Issue 2, June 2017

Using Thermal Stimuli to Enhance Photo-Sharing in Social Media
Moses Akazue, Martin Halvey, Lynne Baillie
Article No.: 4
DOI: 10.1145/3090050

Limited work has been undertaken to show how the emotive ability of thermal stimuli can be used for interaction purposes. One potential application area is using thermal stimuli to influence emotions in images shared online such as social media...

Detecting Drinking Episodes in Young Adults Using Smartphone-based Sensors
Sangwon Bae, Denzil Ferreira, Brian Suffoletto, Juan C. Puyana, Ryan Kurtz, Tammy Chung, Anind K. Dey
Article No.: 5
DOI: 10.1145/3090051

Alcohol use in young adults is common, with high rates of morbidity and mortality largely due to periodic, heavy drinking episodes (HDEs). Behavioral interventions delivered through electronic communication modalities (e.g., text messaging) can...

Every Byte Counts: Selective Prefetching for Mobile Applications
Paul Baumann, Silvia Santini
Article No.: 6
DOI: 10.1145/3090052

Quick responses to user actions are instrumental to the success of mobile applications. To ensure such responsiveness, applications often prefetch data objects before the user requests them. This way, applications can avoid the need to retrieve...

InformationSense: Trade-offs for the Design and the Implementation of a Large Highly Deformable Cloth Display
Simon Butscher, Maximilian Dürr, Harald Reiterer
Article No.: 7
DOI: 10.1145/3090053

Deformable displays can provide two major benefits compared to rigid displays: Objects of different shapes and deformabilities, situated in our physical environment, can be equipped with deformable displays, and users can benefit from their...

Mago: Mode of Transport Inference Using the Hall-Effect Magnetic Sensor and Accelerometer
Ke-Yu Chen, Rahul C. Shah, Jonathan Huang, Lama Nachman
Article No.: 8
DOI: 10.1145/3090054

In this paper, we introduce Mago, a novel system that can infer a person's mode of transport (MOT) using the Hall-effect magnetic sensor and accelerometer present in most smart devices. When a vehicle is moving, the motions of its mechanical...

PocketThumb: a Wearable Dual-Sided Touch Interface for Cursor-based Control of Smart-Eyewear
David Dobbelstein, Christian Winkler, Gabriel Haas, Enrico Rukzio
Article No.: 9
DOI: 10.1145/3090055

We present PocketThumb, a wearable touch interface for smart-eyewear that is embedded into the fabrics of the front trouser pocket. The interface is reachable from outside and inside of the pocket to allow for a combined dual-sided touch input....

Augmenting Audits: Exploring the Role of Sensor Toolkits in Sustainable Buildings Management
S. Mitchell Finnigan, A. K. Clear, G. Farr-Wharton, K. Ladha, R. Comber
Article No.: 10
DOI: 10.1145/3090075

Audits are commonly carried out by facilities managers (FMs) to quantify the sustainability and performance of the buildings they manage, informing improvements to infrastructure for resource and cost savings, and assessing compliance with...

Ensembles of Deep LSTM Learners for Activity Recognition using Wearables
Yu Guan, Thomas Plötz
Article No.: 11
DOI: 10.1145/3090076

Recently, deep learning (DL) methods have been introduced very successfully into human activity recognition (HAR) scenarios in ubiquitous and wearable computing. Especially the prospect of overcoming the need for manual feature design combined...

RFID Light Bulb: Enabling Ubiquitous Deployment of Interactive RFID Systems
Jeremy Gummeson, James Mccann, Chouchang (JACK) Yang, Damith Ranasinghe, Scott Hudson, Alanson Sample
Article No.: 12
DOI: 10.1145/3090077

Radio-Frequency Identification (RFID) technology has the potential to provide inexpensive, wireless, battery-free connectivity and interactivity for objects that are traditionally not instrumented. However, these systems have not seen widespread...

A Large-Scale, Long-Term Analysis of Mobile Device Usage Characteristics
Daniel Hintze, Philipp Hintze, Rainhard D. Findling, René Mayrhofer
Article No.: 13
DOI: 10.1145/3090078

Today, mobile devices like smartphones and tablets have become an indispensable part of people's lives, posing many new questions e.g., in terms of interaction methods, but also security. In this paper, we conduct a large scale, long term analysis...

Portable+: A Ubiquitous And Smart Way Towards Comfortable Energy Savings
Milan Jain, Amarjeet Singh, Vikas Chandan
Article No.: 14
DOI: 10.1145/3090079

An air conditioner (AC) consumes a significant proportion of the total household power consumption. Primarily used in developing countries, decentralised AC has an inbuilt thermostat to cool the room to a temperature, manually set by the users....

Beautiful…but at What Cost?: An Examination of Externalities in Geographic Vehicle Routing
I. Johnson, J. Henderson, C. Perry, J. Schöning, B. Hecht
Article No.: 15
DOI: 10.1145/3090080

Millions of people use platforms such as Google Maps to search for routes to their desired destinations. Recently, researchers and mapping platforms have shown growing interest in optimizing routes for criteria other than travel time, e.g....

Towards Calm Displays: Matching Ambient Illumination in Bedrooms
Jan Kučera, James Scott, Nicholas Chen, Patrick Olivier, Steve Hodges
Article No.: 16
DOI: 10.1145/3090081

We present a system for making emissive computer displays (LCDs) look like they are reflective, i.e. not emitting light but instead reflecting ambient light, an effect that we call a “calm display”. We achieve this effect by using a...

UbiEar: Bringing Location-independent Sound Awareness to the Hard-of-hearing People with Smartphones
Liu Sicong, Zhou Zimu, Du Junzhao, Shangguan Longfei, Jun Han, Xin Wang
Article No.: 17
DOI: 10.1145/3090082

Non-speech sound-awareness is important to improve the quality of life for the deaf and hard-of-hearing (DHH) people. DHH people, especially the young, are not always satisfied with their hearing aids. According to the interviews with 60 young...

BlindType: Eyes-Free Text Entry on Handheld Touchpad by Leveraging Thumb's Muscle Memory
Yiqin Lu, Chun Yu, Xin Yi, Yuanchun Shi, Shengdong Zhao
Article No.: 18
DOI: 10.1145/3090083

Eyes-free input is desirable for ubiquitous computing, since interacting with mobile and wearable devices often competes for visual attention with other devices and tasks. In this paper, we explore eyes-free typing on a touchpad using one thumb,...

SCAN: Multi-Hop Calibration for Mobile Sensor Arrays
Balz Maag, Zimu Zhou, Olga Saukh, Lothar Thiele
Article No.: 19
DOI: 10.1145/3090084

Urban air pollution monitoring with mobile, portable, low-cost sensors has attracted increasing research interest for their wide spatial coverage and affordable expenses to the general public. However, low-cost air quality sensors not only drift...

BiliScreen: Smartphone-Based Scleral Jaundice Monitoring for Liver and Pancreatic Disorders
Alex Mariakakis, Megan A. Banks, Lauren Phillipi, Lei Yu, James Taylor, Shwetak N. Patel
Article No.: 20
DOI: 10.1145/3090085

Pancreatic cancer has one of the worst survival rates amongst all forms of cancer because its symptoms manifest later into the progression of the disease. One of those symptoms is jaundice, the yellow discoloration of the skin and sclera due to...

Can Less be More?: Contrasting Limited, Unlimited, and Automatic Picture Capture for Augmenting Memory Recall
Evangelos Niforatos, Caterina Cinel, Cathleen Cortis Mack, Marc Langheinrich, Geoff Ward
Article No.: 21
DOI: 10.1145/3090086

Today's abundance1 of cheap digital storage in the form of tiny memory cards put literally no bounds on the number of images one can capture with one's digital camera or smartphone during an event. However, prior work has shown that taking many...

Logging you, Logging me: A Replicable Study of Privacy and Sharing Behaviour in Groups of Visual Lifeloggers
Blaine A. Price, Avelie Stuart, Gul Calikli, Ciaran Mccormick, Vikram Mehta, Luke Hutton, Arosha K. Bandara, Mark Levine, Bashar Nuseibeh
Article No.: 22
DOI: 10.1145/3090087

Low cost digital cameras in smartphones and wearable devices make it easy for people to automatically capture and share images as a visual lifelog. Having been inspired by a US campus based study that explored individual privacy behaviours of...

iLid: Low-power Sensing of Fatigue and Drowsiness Measures on a Computational Eyeglass
Rostaminia Soha, Mayberry Addison, Ganesan Deepak, Marlin Benjamin, Gummeson Jeremy
Article No.: 23
DOI: 10.1145/3090088

The ability to monitor eye closures and blink patterns has long been known to enable accurate assessment of fatigue and drowsiness in individuals. Many measures of the eye are known to be correlated with fatigue including coarse-grained measures...

Inferring Person-to-person Proximity Using WiFi Signals
Piotr Sapiezynski, Arkadiusz Stopczynski, David Kofoed Wind, Jure Leskovec, Sune Lehmann
Article No.: 24
DOI: 10.1145/3090089

Today's societies are enveloped in an ever-growing telecommunication infrastructure. This infrastructure offers important opportunities for sensing and recording a multitude of human behaviors. Human mobility patterns are a prominent example of...

Battery-Free Cellphone
Vamsi Talla, Bryce Kellogg, Shyamnath Gollakota, Joshua R. Smith
Article No.: 25
DOI: 10.1145/3090090

We present the first battery-free cellphone design that consumes only a few micro-watts of power. Our design can sense speech, actuate the earphones, and switch between uplink and downlink communications, all in real time. Our system optimizes...

Harnessing Long Term Physical Activity Data—How Long-term Trackers Use Data and How an Adherence-based Interface Supports New Insights
Lie Ming Tang, Judy Kay
Article No.: 26
DOI: 10.1145/3090091

Increasingly, people are amassing long term physical activity data which could play an important role for reflection. However, it is not clear if and how existing trackers use their long term data and incomplete data is a potential challenge. We...

RoboCOP: A Robotic Coach for Oral Presentations
H. Trinh, R. Asadi, D. Edge, T. Bickmore
Article No.: 27
DOI: 10.1145/3090092

Rehearsing in front of a live audience is invaluable when preparing for important presentations. However, not all presenters take the opportunity to engage in such rehearsal, due to time constraints, availability of listeners who can provide...

DeformWear: Deformation Input on Tiny Wearable Devices
Martin Weigel, Jürgen Steimle
Article No.: 28
DOI: 10.1145/3090093

Due to their small surfaces, wearable devices make existing techniques for touch input very challenging. This paper proposes deformation input on a tiny and soft surface as an input modality for wearable computing devices. We introduce DeformWear,...

Gain Without Pain: Accurate WiFi-based Localization using Fingerprint Spatial Gradient
Chenshu Wu, Jingao Xu, Zheng Yang, Nicholas D. Lane, Zuwei Yin
Article No.: 29
DOI: 10.1145/3090094

Among numerous indoor localization systems proposed during the past decades, WiFi fingerprint-based localization has been one of the most attractive solutions, which is known to be free of extra infrastructure and specialized hardware. However,...

SoundTrak: Continuous 3D Tracking of a Finger Using Active Acoustics
Cheng Zhang, Qiuyue Xue, Anandghan Waghmare, Sumeet Jain, Yiming Pu, Sinan Hersek, Kent Lyons, Kenneth A. Cunefare, Omer T. Inan, Gregory D. Abowd
Article No.: 30
DOI: 10.1145/3090095

The small size of wearable devices limits the efficiency and scope of possible user interactions, as inputs are typically constrained to two dimensions: the touchscreen surface. We present SoundTrak, an active acoustic sensing technique that...

Mediated Atmospheres: A Multimodal Mediated Work Environment
Nan Zhao, Asaph Azaria, Joseph A. Paradiso
Article No.: 31
DOI: 10.1145/3090096

Atmosphere - the sensorial qualities of a space, shaped by the composition of light, sound, objects, people, etc. - has remarkable influence on our experiences and behavior. Manipulating it has been shown to be powerful, affecting cognitive...

Semi-Automated 8 Collaborative Online Training Module for Improving Communication Skills
Ru Zhao, Vivian Li, Hugo Barbosa, Gourab Ghoshal, Mohammed Ehsan Hoque
Article No.: 32
DOI: 10.1145/3090097

This paper presents a description and evaluation of the ROC Speak system, a platform that allows ubiquitous access to communication skills training. ROC Speak (available at enables anyone to go to a website, record a video, and...