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. 2021 Jul 21;21(15):4965. doi: 10.3390/s21154965

Figure 8.

Figure 8

Diagram convolution with a 3×3 filter. The black dot is the position where the convolution occurs, and the gray area is the FOV of the filter. The dilation rates are (a) = 1, (b) = 2, and (c) = 3.