Best practices for using the application

rPPG - By Face

 

In order to get accurate vital-sign readings, follow the instructions below:

• Device:
• The mobile device should be in a fixed position during the entire measurement.
• The device should be placed within arm’s length of the subject (40-50cm away).
• The device battery level should be at least 20%.
• Do not use the application when the device is in power save mode.

• Subject:
• Each measurement set is for a single person.
• The subject must be sitting or standing still during the measurement.
• The subject should have a fully exposed face.

• Environmental conditions:
• The surroundings must be lit.
• No light source behind the subject's face.
• No direct sunlight.
• No lighting changes during the measurement.
• No flickering lights reflecting on the face.

• Measurement:
• Duration – For the most accurate results, wait for 90 seconds. If using Binah team wait until the test is finished.
• Vital signs appearance - each vital sign appears when there is sufficient data. However, there may be cases in which a summary value is not available for some vital signs, see the Partial Summary Report section below.

 

---

PPG - By Finger

When using the By Finger (PPG) mode, the following recommendations apply:

• Device:
• The mobile device should be in a fixed position during the entire measurement.
• The device should be held by hand.
• The device’s battery level should be at least 20%.
• Do not use the application when the device is in power save mode.

• Subject:
• The subject must be at rest during the measurement.
• The hand should rest comfortably at heart level.
• iOS - Use the index finger to fully cover both the rear flashlight and the relevant rear camera.
• Android - Use the index finger to fully cover the main rear camera, without covering the rear flashlight.
• When placing the finger on the camera, apply moderate pressure.
• Avoid movement of the finger during the measurement.

• Environmental conditions:
• Should not be in complete darkness.

• Measurement:
• Duration – For the most accurate results, wait for 90 seconds. If using Binah team wait until the test is finished.

Finger Placement for iOS devices when using PPG

Finger Placement for Android devices when using PPG