Fig. 3 | Heritage Science

Fig. 3

From: Automatic defect detection in infrared thermal images of ancient polyptychs based on numerical simulation and a new efficient channel attention mechanism aided Faster R-CNN model

Fig. 3

Geometric modeling of the sample: a Top-view photograph displaying the XY coordinates of the defects; b bottom-view diagram indicating the positions of the defects; c side-view diagram illustrating the Z coordinates and depths of the defects; d three-dimensional representation highlighting the locations of the defects. (All values are in mm; the coordinates refer to the positions of the top points of the defects.)

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