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Abstract

Methodology and corresponding apparatus pertain to human sleep posture monitoring, using a wireless signal-based monitoring system leveraging millimeter-wave technology. A software-only human sleep posture monitoring solution based on millimeter-wave (mmWave) wireless-based solutions enables fine-grained posture monitoring under no light without being privacy-invasive. In zero visibility, body joint information and changes can be extracted directly from mmWave imaging using improved capabilities for extracting human sleep posture data from millimeter-wave wireless systems. A single-person sleep posture monitoring system leverages signal processing and deep learning models to enable fine-grained monitoring continuously and non-intrusively with commodity (i.e., generally available) mmWave devices. The system directly predicts joint locations from reflected mmWave signals by learning the hidden association between them from thousands of data samples. Learning is accomplished through a customized Deep Convolutional Neural Network (DCNN), that predicts the 3D locations of several key body joints from the reflected signals captured by multiple mmWave antennas.

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First Claim