Binary Image Morphology

1
Binary Image Morphology

• erode, dilate
• lets try

2
erode

• For every data pixel
• If structuring element is not fully covered,
  erase pixel
• dilate
• For every data pixel
• Stamp the structuring element

3
hit and miss

• template match
• binary result.

4
hit and miss

• template match
• binary result.
• 100 equal 1
• Otherwise 0
• (or inverse)

5
hit and miss

• move template across image
• interior fill
• remove isolated pixels

6
interior fill
7
interior fill
8
isolated pixels
9
isolated pixels
10
combined
11
combined
12
hit or miss

• perimeter

13
hit or miss

• perimeter

14
hit or miss

• inner corners

15
hit or miss

• inner corners
• outer corners