Figure 3

Bubble detection examples (IoU threshold of 0.5) for (a) test set #2 and (b) #3. Here, the purple solid lines denote the extracted bubble shapes, and the images were cropped from original images and scaled for better visibility.

Bubble detection examples (IoU threshold of 0.5) for (a) test set #2 and (b) #3. Here, the purple solid lines denote the extracted bubble shapes, and the images were cropped from original images and scaled for better visibility.