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Gregory D. Abowd

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Bit Whisperer: Enabling Ad-hoc, Short-range, Walk-Up-and-Share Data Transmissions via ...UIST 20212021-10-10
Bit Whisperer sends short messages via inaudible surface-restricted acoustics (18–20 kHz) using frequency-shift keying, forward error correction and…
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MARS: Nano-Power Battery-free Wireless Interface for Touch, Swipe and Speech InputUIST 20212021-10-10
A battery-free wireless sticker that senses touch, swipe and speech by modulating an ultra-low-power LC oscillator and backscattering a carrier, built from…
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Approaching the Real-World: Supporting Activity Recognition Training with Virtual IMU DataUbiComp 20212021-09-21
System converts YouTube videos into 3D motion tracking and generates virtual IMU streams, then applies adaptive video selection to remove non-human objects…
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Duco: Autonomous Large-Scale Direct-Circuit-Writing (DCW) on Vertical Everyday Surfaces Using A ...UbiComp 20212021-09-21
A wall-hanging plotter draws multi-layer circuits on vertical surfaces using two stepper motors, a pen carousel with conductive/dielectric/cleaning inks and an…
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A Multisensor Person-Centered Approach to Understand the Role of Daily Activities in Job ...UbiComp / ISWC 20202020-09-12
Uses sensor data from 603 information workers (Tesserae) and multimodal streams—wearables smartphones bluetooth social media—to cluster day-level activity and…
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IMUTube: Automatic extraction of virtual on-body accelerometry from video for human activity ...UbiComp / ISWC 20202020-09-12
IMUTube converts online video into virtual on-body accelerometers by applying 2D and 3D pose estimation and signal processing to reconstruct body motion and…
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OptoSense: Towards Ubiquitous Self-Powered Ambient Light Sensing SurfacesUbiComp / ISWC 20202020-09-12
A self-contained system combines a flexible imaging surface, photodetectors, a control circuit for power management and wireless comms, and a 3D-printed…
Talk
Detection of Artifacts in Ambulatory Electrodermal Activity DataUbiComp / ISWC 20202020-09-12
An automatic approach detects artifacts in ambulatory EDA using EDA together with skin temperature and wrist acceleration as inputs, segmented into five‑second…
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Silver Tape: Inkjet-Printed Circuits Peeled-and-Transferred on Versatile SubstratesUbiComp / ISWC 20202020-09-12
A transfer-based process moves inkjet-printed silver nanoparticle traces off photo paper onto tapes and polymers (Kapton, PDMS, Scotch, 3M water‑soluble)…
Talk
UbiquiTouch: Self Sustaining Ubiquitous Touch InterfacesUbiComp / ISWC 20202020-09-12
A battery-free touch pad that harvests light and runs at 30.91μW, using conductive threads or printed traces to sense location and ambient FM backscatter to…
Talk
Understanding the Cost of Driving TripsCHI 20172017-05-06
Built a phone app plus an OBD dongle that shows an estimated total cost per drive — fuel, depreciation from KBB, maintenance, insurance and prorated fixed…
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