Under other unchanged conditions, we attempted to replace all GCNs in the subsequent coarsening stage of the proposed method with GCNII. The results obtained on the Indian Pines dataset with a training sample ratio of 10% are shown in Table 2. We can clearly observe that compared to GCN, GCNII can indeed extract more discriminative features. We believe that the XX in Table 2 is still lower than 98.36 in Table II of [19], which is due to the differences between these two papers, including the composition method, feature extraction method, and the loss function of objective optimization.
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