A Modified Nonlinear Conjugate Gradient Method with the Armijo Line Search and Its Application

Table 3

CPU times of the NPRP method and the APRP method in seconds.

	Boat	Lena	Man	Total
25% noise
NPRP	6.6406	13.8594	78.2813	98.7813
APRP	7.1563	15.1563	80.3281	102.6407
50% noise
NPRP	11.6094	45.8281	204.1406	261.5781
APRP	12.8281	49.3125	212.4844	274.6250
75% noise
NPRP	20.9844	88.2188	414.4375	523.6407
APRP	21.6563	95.7344	435.8438	553.2345