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Appendix Figure 2-3 Head position
Appendix Figure 2-4 Face distance
When importing face images through the management platform, make sure that image
resolution is within the range 150 × 300–600 × 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 face does not take 2/3 of the whole image area, and the aspect ratio does not
exceed 1:2.
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