Efficient Real-Time Bed Occupancy Monitoring Using Toy-Mounted Accelerometer Data

We gather this dataset for toy-basedbed occupancy monitoring. An MPU-6050 IMU is affixed to a plush toy on the bed, and the accelerometer data are collected from the IMU. The accelerometer operates at up to 1 kHz, with a range of ±2 g, a 16-bit ADC, and a noise density of 400 𝜇g/√Hz. Data recorded over two hours, yielding a dataset of 720 10-second samples collected from 5 voluntary subjects for classification among four activities: entering the bed, lying still, turning over, and exiting the bed. The subjects, all of standard body measurements, were instructed to perform these activities without movement pattern restrictions, thereby naturally incorporating movement diversity into the dataset.