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SLN-VIZNAS-IOT User Guide, Rev. 1.1, 10/2020
NXP Semiconductors
face recognition “spoof” attacks wherein a malicious actor will use a picture of someone
to gain access to their face-protected materials.
Figure 14: Printed Picture Spoof Attack
As shown in the screenshots above, using neither a phone display nor a printed picture
of a face triggers the “Welcome Home” message. In fact, if we enable verbose mode (see
) while attempting to recognize the printed picture in Figure
14, we can see that the inference engine detects a face, but recognizes that the image
captured by the IR camera is
a “fake”/”spoofed” face.
Figure 15: Fake Face Detected
