Research Article

Feature Point Detection and Description Networks Based on Asymmetric Convolution and the Cross-ResolutionImage-Matching Method

Table 5

HPatches ablation experiment.

Homography estimationDetector metricsDescriptor metrics
 = 1↑ = 3↑ = 5↑Rep.↑MLE.↓NNmAP↑M.score↑

Conv + RELU + max pooling0.4860.7640.8210.6441.0930.8000.490
ACB + RELU + max pooling0.4950.7750.8300.6471.0740.8060.491
Conv + ELU + max pooling0.4970.7710.8240.6451.0910.8110.490
Conv + RELU + mix pooling0.5000.7650.8270.6481.0720.8090.500
ACB + ELU + mix pooling0.5480.7780.8450.6561.0240.8450.534

The meanings in bold in Table 5 represent the values of the best performing methods for the indicators in this column. Meanwhile, the method proposed in this paper has the best performance in all indexes in this table.