We propose a physical activity recognition and monitoring system based on wearable sensors during maternity. A physical activity can either create or prevent health issues during a given stage of pregnancy depending on its intensity. Thus, it becomes very important to provide continuous feedback by
Maternal Physical Activity Recognition System using Wearable Sensors
We propose a physical activity recognition and monitoring system based on wearable sensors during maternity. A physical activity can either create or prevent health issues during a given stage of pregnancy depending on its intensity. Thus, it becomes very important to provide continuous feedback by recognizing a physical activity and its intensity. However, such continuous monitoring is very challenging during the whole period of maternity.
The implementation of the project consists of following: (1) Collection of data through Sensors. (2) Raspberry-PI based platform for data acquisitioning. (3) Data link for transmission of data from Sensors to Raspberry-PI.(4) Feature extraction.(5) Recognizing activity.(6) GSM Module.

Figure 1: (a) Hardware and (b) Software overview of proposed System.

Figure 2: Architecture
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| Raspberry-PI | Equipment | 2 | 9000 | 18000 |
| Bluetooth 4.0 | Equipment | 2 | 1200 | 2400 |
| GSM Module | Equipment | 1 | 6500 | 6500 |
| Accelerometer | Equipment | 3 | 500 | 1500 |
| Temperature Sensors | Equipment | 3 | 1500 | 4500 |
| Power module for raspberry-PI | Equipment | 2 | 1000 | 2000 |
| Battery | Equipment | 4 | 1200 | 4800 |
| Raspberry-PI HDMI Cable | Equipment | 2 | 700 | 1400 |
| USB Serial Port | Equipment | 3 | 500 | 1500 |
| FDTI Cable | Equipment | 2 | 2300 | 4600 |
| Soldering Paste | Equipment | 4 | 1100 | 4400 |
| Soldering Wire | Equipment | 5 | 250 | 1250 |
| MAX30100 Pulse Oximeter | Equipment | 5 | 500 | 2500 |
| Soldering iron | Equipment | 1 | 3500 | 3500 |
| NEO-6M GPS | Equipment | 2 | 4500 | 9000 |
| Gyroscope | Equipment | 2 | 900 | 1800 |
| Equipment used for sensors module assembling/posters,reports etc | Miscellaneous | 5 | 2000 | 10000 |
| Total in (Rs) | 79650 |
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