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Liang Liu

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Tooth: Toward Optimal Balance of Video QoE and Redundancy Cost by Fine-Grained FEC in...NSDI '252025-04-28
Paper analyzes over 60,000 cloud gaming sessions and finds coarse-grained FEC both over-protects large frames (wasting bandwidth) and under-protects small…
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Real-time Arm Gesture Recognition in Smart Home Scenarios via Millimeter Wave SensingUbiComp 20212021-09-21
A real-time system uses a commodity mmWave radar to recognize 10 fine-grained arm gestures across realistic smart-home scenes by extracting a concentrate…
Talk on
Learning to Recognize Handwriting Input with Acoustic FeaturesUbiComp / ISWC 20202020-09-12
A mobile app records pen-on-surface sound, uses adaptive segmentation to slice strokes, extracts STDFT features, and sends fragments to a server running an…
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