Dough-Stage Maize (Zea mays L.) Ear Recognition Based on Multiscale Hierarchical Features and Multifeature Fusion

Figure 6

Schematic diagram of expanded convolutional kernels. (a) 3 × 3 unit convolutional kernel, (b) convolutional kernel with double expanding based on (a), and (c) convolutional kernel with quadruple expanding based on (a).

(a)

(b)

(c)