2-15-(20)
EC Defect
Section 2-15
HELP
Line Extracting Algorithm Using Edge Codes
1.
An edge code image is created.
The edge codes indicate the directions of the edges (arrows in the dia-
gram).
If black and white are reversed, the arrows will be in the opposite direction.
2.
The section with the most common edge codes is removed from the image.
STEP 1: Setting Removal Region
Lines that match the removal conditions will be removed from the range set
here.
CHECK
When edges are extracted, the pixels at the edges of the screen cannot be
processed accurately. Do not include the outer edges of the screen when set-
ting the removal region.
SeeAlso
Refer to page 2-15-(13) under
5HPRYLQJ&LUFOHV
.
1.
Display the figure selections using the same steps 1 to 3 as outlined under
Circle.
Original image
Black
White
Figure That Was Removed