Modified Three-Term Liu–Storey Conjugate Gradient Method for Solving Unconstrained Optimization Problems and Image Restoration Problems

Table 6

Peak signal-to-noise ratio (PSNR) of the TTMLS algorithm and LS algorithm.

Algorithm	Camera man	Fruits	Lena	Peppers	Total
TTMLS	31.929	33.053	31.996	33.075	130.053
LS	30.792	31.486	31.489	31.925	125.692