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How to Erode the border and get rectangel shape?

Hi All,

Does anyone give me some suggestions? This is my image,Sample.bmp, I want to remove some unwanted part from border and get the corrected rectangle shape. So, how should I do? Currently, I am using "Blob Analysis". So, the result always include the unwanted region. But, I don't know how to remove it not effect the rectangle shape.

Regards, zawpai

How to Erode the border and get rectangel shape?

Hi All,

Does anyone give me some suggestions? This is my image,Sample.bmp, I want to remove some unwanted part from border and get the corrected rectangle shape. So, how should I do? Currently, I am using "Blob Analysis". So, the result always include the unwanted region. But, I don't know how to remove it not effect the rectangle shape.

Another sample image, sample2.bmp

Regards, zawpai