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The storage reduction is claimed because each face's representation changes from storing three floating-point numbers (nose length, eye distance, jaw width) to storing only two floating-point numbers (the two principal coordinates).

Conditions: Each original sample stores 3 floating-point coordinates.; Each compressed sample stores 2 floating-point coordinates.

The storage reduction is claimed because each face's representation changes from storing three floating-point numbers (nose length, eye distance, jaw width) to storing only two floating-point numbers (the two principal coordinates).

Conditions: Each original sample stores 3 floating-point coordinates.; Each compressed sample stores 2 floating-point coordinates.