Multiscale Feature Filtering Network for Image Recognition System in Unmanned Aerial Vehicle

Figure 5

Atrous convolution with filter size 3 × 3 and different rates. A-branch: atrous convolution with filter size 3 × 3 and rate (r) = 1. B-branch: atrous convolution with filter size 3 × 3 and rate (r) = 2. C-branch: atrous convolution with filter size 3 × 3 and rate (r) = 3.