on-line handwritten signature

on-line hand-written signature verification

signature Verification

Handwritten

handwritten character recognition

Handwritten digits

handwritten numeral recognition

Handwritten form numeral

(ECC)digital signature

a one-time signature

a signature function

ACJT group signature

Acoustic signature

acoustical signature

Air Gun Signature

airgun signature

air-gun signature

American bar association digital signature guidelines

autographic signature

bind signature