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TagSheet: Sleeping Posture Recognition with an Unobtrusive Passive Tag Matrix.
Jia Liu
Xingyu Chen
Shigang Chen
Xiulong Liu
Yanyan Wang
Lijun Chen
Published in:
INFOCOM (2019)
Keyphrases
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rfid reader
singular values
user interaction
ambient intelligence
covariance matrix
singular value decomposition
low rank
linear algebra
keywords
positive definite
low cost
rfid tags
rfid systems
matrix representation