HOW to get liveness , spoofing feature

Technical Support & Q&A
1

how to apply astra orbbec for image anti-spoofing or liveness detection feature ?

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  1. First capture, register/align and synchronize depth and RGB frames.
  2. Second detect face land-marks in RGB frame
  3. From the depth frame get the depth values exactly at land-marks detected in step 2
  4. If you find uniform depth values or change in depth below a threshold, then it is flat surface → fake/spoof face