Local Smoothness of Graph Signals

Table 1

The number of outliers and the mean squared error of the local smoothness for the considered estimators.

	Laplacian		Rih. dist.		RID		LVS spec.		LVS vert.
SNR	NO	MSE	NO	MSE	NO	MSE	NO	MSE	NO	MSE
	4	0.027	0	0.000	0	0.000	4	0.161	4	0.161
50	4	0.027	0	0.000	0	0.000	4	0.161	4	0.161
40	8	0.027	0	0.000	0	0.000	4	0.161	5	0.165
30	20	0.032	0	0.000	0	0.000	4	0.161	5	0.165
20	32	0.057	0	0.000	0	0.000	4	0.161	5	0.165
10	36	0.261	0	0.000	1	0.027	4	0.172	5	0.036
5	38	0.848	3	0.177	1	0.027	4	0.172	5	0.042
0	38	1.557	5	0.290	3	0.095	6	0.278	6	0.270
-2.5	38	2.294	11	0.648	8	0.693	6	0.278	7	0.282
-5	38	2.194	14	1.127	16	1.814	9	0.581	9	0.555
-7.5	38	2.701	21	2.115	19	2.293	11	0.667	12	0.826
-10	38	3.052	25	2.486	23	2.474	19	1.089	15	1.177
-15	38	3.469	33	3.005	33	3.477	27	1.683	27	2.503