Nivedita Arora

Nivedita Arora
Georgia Institute of Technology | GT

Phd in CS

About

11
Publications
4,091
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73
Citations

Publications

Publications (11)
Article
Full-text available
Conventional vision-based systems, such as cameras, have demonstrated their enormous versatility in sensing human activities and developing interactive environments. However, these systems have long been criticized for incurring privacy, power, and latency issues due to their underlying structure of pixel-wise analog signal acquisition, computation...
Conference Paper
Full-text available
Augmenting everyday surfaces with interaction sensing capability that is maintenance-free, low-cost (∼ $1), and in an appropriate form factor is a challenge with current technologies. MARS (Multi-channel Ambiently-powered Realtime Sensing) enables battery-free sensing and wireless communication of touch, swipe, and speech interactions by combining...
Preprint
Full-text available
Augmenting everyday surfaces with interaction sensing capability that is maintenance-free, low-cost (about $1), and in an appropriate form factor is a challenge with current technologies. MARS (Multi-channel Ambiently-powered Realtime Sensing) enables battery-free sensing and wireless communication of touch, swipe, and speech interactions by combin...
Article
Full-text available
We envision a new generation of computation devices, computational materials, which are self-sustainable, cheaply manufactured at scale and exhibit form factors that are easily incorporated into everyday environments. These materials can enable ordinary objects such as walls, carpet, furniture, jewelry, and cups to do computational things without l...
Conference Paper
Full-text available
The continued proliferation of computing devices comes with an ever-increasing energy requirement, both during production and use. As awareness of the global climate emergency increases, self-powered and sustainable (Self-Sustainable) interactive devices are likely to play a valuable role. In this workshop we bring together researchers and practiti...
Article
Full-text available
We present UbiquiTouch, an ultra low power wireless touch interface. With an average power consumption of 30.91μW, UbiquiTouch can run on energy harvested from ambient light. It achieves this performance through low power touch sensing and passive communication to a nearby smartphone using ambient FM backscatter. This approach allows UbiquiTouch to...
Article
Full-text available
SATURN is a thin and flexible multi-layer material that can sense sound and other mechanical vibrations in the environment without any external power source. It is constructed of inexpensive materials (paper, copper, and plastic), so that it can be attached to a variety of objects and surfaces. When flat, SATURN's frequency response below 5000Hz is...
Conference Paper
Full-text available
We present Surface++, which leverages our previous work SATURN, a self-powered flexible acoustic sensor, and ZEUSSS, a passive wireless sound communication technique using analog backscatter, to create a scalable and self-sustainable wireless sound sensing surface. Our new prototype allows for large area acoustic sensing using modular fabrication t...
Conference Paper
Full-text available
ZEUSSS (Zero Energy Ubiquitous Sound Sensing Surface), allows physical objects and surfaces to be instrumented with a thin, self-sustainable material that provides acoustic sensing and communication capabilities. We have built a prototype ZEUSSS tag using minimal hardware and flexible electronic components, extending our original self-sustaining SA...
Article
Full-text available
We demonstrate the design, fabrication, evaluation, and use of a self-powered microphone that is thin, flexible, and easily manufactured. Our technology is referred to as a Self-powered Audio Triboelectric Ultra-thin Rollable Nanogenerator (SATURN) microphone. This acoustic sensor takes advantage of the triboelectric nanogenerator (TENG) to transfo...
Conference Paper
Full-text available
Brain-Computer Interfaces (BCIs) have not been adopted as a control paradigm for mainstream use because most BCI systems are cumbersome, difficult to set up, and do not generally perform well enough in mobile settings to replace existing input modalities. However, BCIs may have promise as part of multi-modal systems that augment interactions when t...

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