A Marine Object Detection Algorithm Based on SSD and Feature Enhancement

Figure 9

Multidirectional detection target detection result graph of ISSD, (a) the confidence test graph of sea urchin (Laplace operator unidirectional), (c) the confidence test graph of sea urchin (Prewitt operator 2 directions), (d) the confidence test graph of sea urchin (Prewitt operator 4 directions), (e) the confidence test graph of sea urchin (Prewitt operator 8 directions), (f) the confidence test graph of sea urchin (Prewitt operator 16 directions), and (g) the confidence test graph of sea urchin (Sobel operator 2 directions).

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