Fig. 4 | Multimedia Tools and Applications

Fig. 4

From: Multiple objects tracking in the UAV system based on hierarchical deep high-resolution network

Fig. 4

The proposed feature extractor Hierarchical Deep High-resolution network (HDHNet). There are four stages. The 1st stage contains high-resolution convolution (as the yellow blocks), and the 2nd (3rd, 4th) stage keeps the same resolution as the 1st stage, which is connected by a group of transition modules (green blocks) and adding aggregation blocks (pink block) to different layers of different stages

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