Cubic Bezier Curve Approach for Automated Offline Signature Verification with Intrusion Identification

Table 1

Acceptance criteria based on threshold range.

(a)

Sample	Input 1	Input 2	Input 3	Input 4
Start point match	100%	87%	80%	80%
Behavioral match	100%	90%	45%	45%
Start-end points match	100%	87.5%	52%	65%
Controlling points match	100%	87.1%	36%	36%
Regional slope match	100%	70.6%	44%	44%
Controlling slope match	100%	85.4%	20%	20%
Slope distance match	100%	80.21%	12%	12%
Result	Rejected	Accepted	Rejected	Rejected

(b)

Input 5	Input 6	Input 7	Input 8	Input 9	Input 10
55%	85%	15%	52%	78%	14.3%
45%	84%	45.6%	44%	75%	54.3%
58%	88%	45.8%	55%	77%	15.4%
41%	84%	56.4%	77.5%	82%	52.6%
52.4%	86%	88.5%	8.5%	79.5%	45.6%
55.5%	82%	84.6%	11.4%	99%	44.5%
98%	77%	55.2%	13.5%	75.8%	100%
Rejected	Accepted	Rejected	Rejected	Accepted	Rejected