Strategies for Exploiting Independent Cloud Implementations of Biometric Experts in Multibiometric Scenarios

Table 7

Comparison of the fusion strategies based on the perception of the authors and conducted experimentation. High, medium, and low are denoted by H, M, and L, respectively.

Fusion technique	Training complexity	Run-time complexity	Storage requirements	Performance gains	Client disturbance	Calibration	OP complexity
Sum-rule	L	L	L	M	L	H	L
Product-rule	L	L	L	M	L	H	L
AND-rule	L	L	L	L	L	L	H
OR-rule	L	L	L	L	L	L	H
SVM	H	M	M	M	M	H	M
Neural network	M	L	L	M	M	H	L