Michael Tsai

Hsin-Mu (Michael) Tsai - 蔡欣穆

Associate Professor,
Computer Science and Information Engineering

Associate Director, Learning Technology,
Digital Learning Center

National Taiwan University


Note: I am currently migrating my personal web site and this is a work-in-progress. Some information can still be found on my old web site.

What I do

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Research Projects [updating]

Lampshade - Augmenting Indoor Inertial Tracking with Light [MobiSys'18]

Lampshade - Augmenting Indoor Inertial Tracking with Light [MobiSys'18]

We use polarizer and everyday transparent tape to create a lampshade that helps indoor inertial tracking to achieve centimeter-level accuracy.

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POLI - Long-Range Visible Light Communications Using Polarized Light Intensity Modulation [MobiSys'17]

POLI - Long-Range Visible Light Communications Using Polarized Light Intensity Modulation [MobiSys'17]

POLI is a light-to-camera communication system that exploits a novel POliarized Light Intensity modulation scheme to provide reliable communications for a wide range of distances.

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CELLI - Indoor Positioning Using Polarized Sweeping Light Beams [MobiSys'17]

CELLI - Indoor Positioning Using Polarized Sweeping Light Beams [MobiSys'17]

CELLI uses a single luminary to project a large number of fine-grained, polarized, yet imperceptible light beams to the ground for indoor positioning. The system can achieve a 2.7cm median 2D error.

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Misc. Information