halcon operator
1.Filters
1.1 enhancement
1.1.1 emphasize — Enhance contrast of the image.
1.1.2 illuminate — Illuminate image.
1.2 lines
1.2.1 lines_gauss — Detect lines and their width.
2. Segmentation
2.1 Threshold
2.1.1 fast_threshold — Fast thresholding of images using global thresholds
3. 1D Measuring
3.1 measure_pairs
Blog: Halcon 1D Measurement (1): Measurement of the edge
case study
Halcon comes
lines_gauss
1. scratch detection
Glass scratch