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- research-articleMay 2022
SmartFusion2 SoC as a security module for the IoT world
CF '22: Proceedings of the 19th ACM International Conference on Computing FrontiersPages 270–278https://doi.org/10.1145/3528416.3530998Dedicated computational devices such as HSMs and FPGAs are frequently used to provide data security and privacy. However, these options have several drawbacks, particularly when considering IoT environments. HSMs offer high-grade services but are costly ...
- research-articleOctober 2021
Preparation of flexible thin films from epitaxially grown anatase Nb: TiO2 using water‐soluble Sr3Al2O6 sacrificial layer
Electronics and Communications in Japan (WECJ), Volume 104, Issue 4https://doi.org/10.1002/ecj.12331AbstractWith the aim of developing new electronic functionalities for flexible devices, a transfer process for the preparation of flexible conductive thin films was examined using epitaxially grown anatase Nb: TiO2. Using pulsed laser deposition (PLD), ...
- posterOctober 2021
Bendable Color ePaper Displays for Novel Wearable Applications and Mobile Visualization
UIST '21 Adjunct: Adjunct Proceedings of the 34th Annual ACM Symposium on User Interface Software and TechnologyPages 6–10https://doi.org/10.1145/3474349.3480213This paper presents a toolkit that allows to easily prototype with bendable color ePaper displays for designing and studying novel body-worn interfaces in mobile scenarios. We introduce a software and hardware platform that enables researchers for the ...
- research-articleMay 2021
Coping with Diversity - A System for End-users to Customize Web User Interfaces
- Mailson de Queiroz Proença,
- Vivian Genaro Motti,
- Kamila Rios da Hora Rodrigues,
- Vânia Paula de Almeida Neris
Proceedings of the ACM on Human-Computer Interaction (PACMHCI), Volume 5, Issue EICSArticle No.: 201, Pages 1–27https://doi.org/10.1145/3457151To address diverse interaction needs of heterogeneous users' groups, user interfaces must be flexible to accommodate for customization that are specific to each user profile. Although, existing web interfaces provide some flexibility, some problems still ...
- posterSeptember 2020
Evaluation of body-worn FPCBs with bluetooth low energy, capacitive touch, and resistive flex sensing
UbiComp/ISWC '20 Adjunct: Adjunct Proceedings of the 2020 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2020 ACM International Symposium on Wearable ComputersPages 147–150https://doi.org/10.1145/3410530.3414380Commercially available flexible printed circuit boards (FPCBs) have the potential to embed electronics, connectivity, and interactivity into the same surface. This makes them an ideal platform for untethered and interactive wearable devices. However, we ...
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- research-articleJune 2020
A flexible and scalable NTT Hardware: applications from homomorphically encrypted deep learning to post-quantum cryptography
The Number Theoretic Transform (NTT) enables faster polynomial multiplication and is becoming a fundamental component of next-generation cryptographic systems. NTT hardware designs have two prevalent problems related to design-time flexibility. First, ...
- research-articleOctober 2019
Flexible Online Multi-modal Hashing for Large-scale Multimedia Retrieval
MM '19: Proceedings of the 27th ACM International Conference on MultimediaPages 1129–1137https://doi.org/10.1145/3343031.3350999Multi-modal hashing fuses multi-modal features at both offline training and online query stage for compact binary hash learning. It has aroused extensive attention in research filed of efficient large-scale multimedia retrieval. However, existing ...
- research-articleApril 2019
Towards demand-oriented flexible rerouting of public transit under uncertainty
SCOPE '19: Proceedings of the Fourth Workshop on International Science of Smart City Operations and Platforms EngineeringPages 35–40https://doi.org/10.1145/3313237.3313302This paper proposes a flexible rerouting strategy for the public transit to accommodate the spatio-temporal variation in the travel demand. Transit routes are typically static in nature, i.e., the buses serve well-defined routes; this results in people ...
- research-articleJanuary 2019
A Heading Maintaining Oriented Compression Algorithm for GPS Trajectory Data
Informatica (INFMA), Volume 30, Issue 1Pages 33–52The raw trajectories contain large amounts of redundant data that bring challenges to storage, transmission and processing. Trajectory compression algorithms can reduce the number of positioning points while minimizing the loss of information. This paper ...
- research-articleJune 2018
A LoRaWAN module for ns-3: implementation and evaluation
WNS3 '18: Proceedings of the 2018 Workshop on ns-3Pages 61–68https://doi.org/10.1145/3199902.3199913Long Range (LoRa) communication has been proposed to connect massive numbers of devices in large areas. LoRa itself is a physical layer technique. Together with the MAC layer solution LoRaWAN to realize IoT, they have attracted increasing attention from ...
- research-articleMay 2017
CloneWorks: a fast and flexible large-scale near-miss clone detection tool
ICSE-C '17: Proceedings of the 39th International Conference on Software Engineering CompanionPages 177–179https://doi.org/10.1109/ICSE-C.2017.78Clone detection within large inter-project source-code repositories has numerous rich applications. CloneWorks is a fast and flexible clone detector for large-scale near-miss clone detection experiments. CloneWorks gives the user full control over the ...
- research-articleMay 2017
Fast and flexible large-scale clone detection with CloneWorks
ICSE-C '17: Proceedings of the 39th International Conference on Software Engineering CompanionPages 27–30https://doi.org/10.1109/ICSE-C.2017.3Clone detection in very-large inter-project repositories has numerous applications in software research and development However, existing tools do not provide the flexibility researchers need to explore this emerging domain. We introduce CloneWorks, a ...
- research-articleOctober 2016
HoloFlex: A Flexible Light-Field Smartphone with a Microlens Array and a P-OLED Touchscreen
UIST '16: Proceedings of the 29th Annual Symposium on User Interface Software and TechnologyPages 69–79https://doi.org/10.1145/2984511.2984524We present HoloFlex, a 3D flexible smartphone featuring a light-field display consisting of a high-resolution P-OLED display and an array of 16,640 microlenses. HoloFlex allows mobile users to interact with 3D images featuring natural visual cues such ...
- research-articleMay 2016
DefSense: Computational Design of Customized Deformable Input Devices
- Moritz Bächer,
- Benjamin Hepp,
- Fabrizio Pece,
- Paul G. Kry,
- Bernd Bickel,
- Bernhard Thomaszewski,
- Otmar Hilliges
CHI '16: Proceedings of the 2016 CHI Conference on Human Factors in Computing SystemsPages 3806–3816https://doi.org/10.1145/2858036.2858354We present a novel optimization-based algorithm for the design and fabrication of customized, deformable input devices, capable of continuously sensing their deformation. We propose to embed piezoresistive sensing elements into flexible 3D printed ...
- research-articleMay 2016Best Paper
FlexCase: Enhancing Mobile Interaction with a Flexible Sensing and Display Cover
- Christian Rendl,
- David Kim,
- Patrick Parzer,
- Sean Fanello,
- Martin Zirkl,
- Gregor Scheipl,
- Michael Haller,
- Shahram Izadi
CHI '16: Proceedings of the 2016 CHI Conference on Human Factors in Computing SystemsPages 5138–5150https://doi.org/10.1145/2858036.2858314FlexCase is a novel flip cover for smartphones, which brings flexible input and output capabilities to existing mobile phones. It combines an e-paper display with a pressure- and bend-sensitive input sensor to augment the capabilities of a phone. Due to ...
- demonstrationMay 2016
FlexTiles: A Flexible, Stretchable, Formable, Pressure-Sensitive, Tactile Input Sensor
CHI EA '16: Proceedings of the 2016 CHI Conference Extended Abstracts on Human Factors in Computing SystemsPages 3754–3757https://doi.org/10.1145/2851581.2890253In the FlexTiles demonstration, we present a flexible, stretchable, pressure-sensitive, tactile input sensor consisting of three layers of fabric. We demonstrate the implementation of FlexTiles for covering large areas, 3D objects, and deformable ...
- otherNovember 2015
Haptic interface design for future interactive devices
SA '15: SIGGRAPH Asia 2015 Haptic Media And Contents DesignArticle No.: 2, Pages 1–2https://doi.org/10.1145/2818384.2823362This paper introduces a historical change of haptics research based on personal experience. Since 1990s, haptics, as multidisciplinary research area, has been investigated by various research groups in many aspects including human perception, virtual ...
- research-articleSeptember 2015
Low-Cost, Flexible and Open Platform for Visible Light Communication Networks
HotWireless '15: Proceedings of the 2nd International Workshop on Hot Topics in WirelessPages 31–35https://doi.org/10.1145/2799650.2799655Built around a cost-effective embedded Linux system, OpenVLC1.0 is an open source, flexible, software-defined, and low-cost platform for research in Visible Light Communication (VLC) Networks. OpenVLC1.0 consists of simple electronic hardware for ...
- articleFebruary 2015
Flexible strip supercapacitors for future energy storage
International Journal of Automation and Computing (SPIJAC), Volume 12, Issue 1Pages 43–49https://doi.org/10.1007/s11633-014-0866-6Flexible strip supercapacitors are developed and their electrochemical properties are characterized. Activated carbon is used as the electrode material and it is found to have a good porous structure which provides a large surface area for energy ...
- research-articleSeptember 2014
Knot-tying with four-piece fixtures
International Journal of Robotics Research (RBRS), Volume 33, Issue 11Pages 1481–1489https://doi.org/10.1177/0278364914532217We present a class of fixtures that can be disassembled into four pieces to extract the loosely tied knot. We prove that a fixture can be designed for any particular knot such that the knot can be extracted using only simple pure translations of the ...