Fig 1.
Steps of the proposed HSE method [29].
Fig 2.
Weld defect images after capture by SEM.
Fig 3.
Weld defective images using Otsu segmentation with various normalization methods.
Fig 4.
The comparison results are based on ME for the weld defect dataset.
Table 1.
The quality assessment of the segmentation result.
Fig 5.
The resulting image after applying Otsu segmentation.
(a) original image and (b) HSE image.
Fig 6.
The resulting image after applying the Bernsen method.
(a) original image and (b) HSE image.