Weak PassPoint Passwords Detected by the Perimeter of Delaunay Triangles

Table 10

Number and proportion of nonrandom graphical passwords detected in the databases DB. , DB. , and the regularity pattern , by means of the empty space function, the nearest neighbor distance test, the K-Ripley function, and the proposed test.

Test	DB.	DB.
Empty space
Nearest neighbor
K-Ripley
Proposed test			Detected