Dilation followed by erosion is called a ___ operation. It tends to increase the spatial extent of an object, while the ___ operation decreases its spatial extent.Select one:a. Subtractive operator, skeletonizingb. Thickening, Dilationc. Skeletonizing, additive operatord. Closed, open
Question
Dilation followed by erosion is called a ___ operation. It tends to increase the spatial extent of an object, while the ___ operation decreases its spatial extent.Select one:a. Subtractive operator, skeletonizingb. Thickening, Dilationc. Skeletonizing, additive operatord. Closed, open
Solution
The correct answer is d. Closed, open. Dilation followed by erosion is called a closing operation. It tends to increase the spatial extent of an object. On the other hand, an opening operation, which is erosion followed by dilation, decreases the spatial extent of an object.
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