Fig. 7
From: Research on the improvement method of imbalance of ground penetrating radar image data
T-SNE 3D plots before and after adding samples (a) Front side of original four-category samples (b) Front side after adding generated samples (c) Side of original four-category samples (b) Side after adding generated samples (red 0 is loose interlayer, yellow 1 is loose structure, black 2 is poor interlayer, green 3 is porous, and blue 4 is generated sample)
