[Halcon vision] morphological expansion

Catalog

• Concept
• operator
• Code
• example

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1. Concept  

         Morphological expansion ： Through structural elements , Operate with the target image , Make the hole in the image , And uneven edges , Produce the effect of expansion .

2. operator  

         Swelling classification ： According to the shape of structural elements , It can be divided into circular expansion and rectangular expansion .

        dilation_cicle（）    Circular expansion

        dilation_rectanglel()    Rectangular expansion

 

3. Code  

* Image Reading 
read_image (Image, 'printer_chip/printer_chip_01')

* Thresholding 
threshold (Image, Region, 128, 255)

* Circular expansion 
dilation_circle (Region, RegionDilation, 3.5)

* Rectangular expansion 
dilation_rectangle1 (RegionDilation, RegionDilation1, 11, 11)

 4. example  

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