Complex Texture Contour Feature Extraction of Cracks in Timber Structures of Ancient Architecture Based on YOLO Algorithm

Figure 5

YOLO v3 training result graph. (a) Box (b) objectness, (c) precision, (d) recall, (e) Val Box, (f) Val Objectness, (g) mPA@0.5, and (h) mPA@0.5:0.95.

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