Kernel Two-Dimensional Nonnegative Matrix Factorization: A New Method to Target Detection for UUV Vision System

Table 2

Updating rules for E, H, R and F.

Step	Calculation
1:	Initialize E and R with nonnegative matrix randomly
2:	loop
3:	loop
4:	Update H as in Equation (16)
5:	forl = 1 to Mn
6:	fork = 1 to p
7:	Update Elk as in Equation (17)
8:	end
9:	end
10:	end loop until convergence
11:	Update F as in Equation (29)
12:	forg= 1 to n
13:	for w = 1 to q.
14:	Update Rgw as in Equation (30)
15:	end
16:	end
17:	end loop until convergence