Select broad lines
Image (or at least its top left quater) is cleared, selecting only Ink pixels which are surrounded by massive Ink areas. This eliminates not only small errors caused by noise, but also underlining markers.



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0. Home
H. Hardware
L. Lighting
1. Frame fetch
2. Ball locate
3. Stretching
4. Unsharp mask
5. Component selection
6. Holes and scratches
7. Component shrink
8. Invert selection
9. Component list
10. Select best circle
11. Angle detection
12. Rotate selected
13. Select broad lines
14. Selected components list
15. Components scaling
16. Histogram
17. MSE and voting
C. Conclusion