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Fig. 1 | Human-centric Computing and Information Sciences

Fig. 1

From: Feature extraction for robust physical activity recognition

Fig. 1

System architecture (the sensor placement is referenced from [24]). The system architecture includes two steps: feature extraction and activity classification. This system includes 9 inertial measurement units generating and every unit contains four sensors, accelerometer (ACC), gyroscope (GYR), magnetometer (MAG) and quaternion (QUAD) sensor

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