Image Denoising Using Fourth Order Wiener Filter with Wavelet Quadtree Decomposition

Table 1

Comparison between the 4 h order Wiener and other methods.

Methods	4th order Wiener with QTD	KSVD	BM3D	LPG-PCA
House
𝜎=10	36.2214	35.3585	36.1068	36.1742
𝜎=20	33.1816	32.4790	33.1156	32.95
𝜎=30	31.7216	30.5347	31.5037	31.06
𝜎=40	30.8782	28.9990	30.0611	29.60
Cameraman
𝜎=10	34.2733	33.6567	34.0315	33.6807
𝜎=20	31.5959	29.8680	30.4017	29.8169
𝜎=30	28.7305	27.9519	28.5305	27.8619
𝜎=40	27.7321	26.6280	27.1690	26.4450
Pepper
𝜎=10	33.2117	33.2631	33.6664	33.4680
𝜎=20	29.2328	29.4737	29.9465	29.6773
𝜎=30	27.9729	27.5576	28.0310	27.6634
𝜎=40	26.3014	26.2714	26.6208	26.2851
Lena
𝜎=10	34.9483	34.3841	34.8737	34.9105
𝜎=20	31.9964	30.6819	31.1590	30.9613
𝜎=30	28.8193	28.4998	29.0058	28.6486
𝜎=40	27.5619	26.9767	27.4874	27.1664