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Appendix Figure 1-3
Head position
Appendix Figure 1-4
Face distance
When importing face images through the management platform, make sure that image
resolution is within 150 × 300 to 600 × 1200; image pixels are more than 500 × 500; image
size is less than 75 KB, and image name and person ID are the same.
Make sure that the face takes up more than 1/3 but no more than 2/3 of the whole image
area, and the aspect ratio does not exceed 1:2.