Best practices for using the application

Best practices for using the application

rPPG - By Face

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Note:

Wait 3 minutes between measurements to avoid device overheating.

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

Note:

Wait 3 minutes between measurements to avoid device overheating.

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

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Finger Placement for Android devices when using PPG

 

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