EURASIP Journal on Advances in Signal Processing

Table 3 Coherence of matrix \(\varvec{\Phi }\) under different sampling methods on the synthetic dataset with the level of sparsity \(K = 10\)

From: An efficient algorithm with fast convergence rate for sparse graph signal reconstruction

Sampling ratio	0.5	0.55	0.6	0.65	0.7	0.75	0.8	0.85
M1	0.0517	0.0509	0.0492	0.0471	0.0426	0.0411	0.0381	0.0352
M2	0.0504	0.0497	0.0485	0.0459	0.0409	0.0378	0.0351	0.0312
M3	0.0489	0.0469	0.0449	0.0415	0.0354	0.0331	0.0314	0.0303
M4	0.0493	0.0455	0.0419	0.0382	0.0303	0.0257	0.0216	0.0182

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