[Retracted] X-Ray Small Target Security Inspection Based on TB-YOLOv5

Figure 5

Illustration of internal details in transformer structure. (a) The modules of encoder-decoder. (b) The self-attention and the feed-forward neural network constitute one unit in transformer. (c) The completed transformer structure is the composite of self-attention, encoder-decoder attention, and feed-forward neural network.

(a)

(b)

(c)